Merge branch 'master' of /usr/src/ntfs-2.6/

Documentation/arm/00-INDEX

@@ -16,5 +16,7 @@ empeg
 	- Empeg documentation
 mem_alignment
 	- alignment abort handler documentation
+memory.txt
+	- description of the virtual memory layout
 nwfpe
 	- NWFPE floating point emulator documentation

Documentation/dvb/README.dvb-usb

@@ -50,12 +50,12 @@ http://www.linuxtv.org/wiki/index.php/DVB_USB
 0. History & News:
   2005-06-30 - added support for WideView WT-220U (Thanks to Steve Chang)
   2005-05-30 - added basic isochronous support to the dvb-usb-framework
-               added support for Conexant Hybrid reference design and Nebula DigiTV USB
+	       added support for Conexant Hybrid reference design and Nebula DigiTV USB
   2005-04-17 - all dibusb devices ported to make use of the dvb-usb-framework
   2005-04-02 - re-enabled and improved remote control code.
   2005-03-31 - ported the Yakumo/Hama/Typhoon DVB-T USB2.0 device to dvb-usb.
   2005-03-30 - first commit of the dvb-usb-module based on the dibusb-source. First device is a new driver for the
-               TwinhanDTV Alpha / MagicBox II USB2.0-only DVB-T device.
+	       TwinhanDTV Alpha / MagicBox II USB2.0-only DVB-T device.
 
   (change from dvb-dibusb to dvb-usb)
   2005-03-28 - added support for the AVerMedia AverTV DVB-T USB2.0 device (Thanks to Glen Harris and Jiun-Kuei Jung, AVerMedia)
@@ -64,50 +64,50 @@ http://www.linuxtv.org/wiki/index.php/DVB_USB
   2005-02-02 - added support for the Hauppauge Win-TV Nova-T USB2
   2005-01-31 - distorted streaming is gone for USB1.1 devices
   2005-01-13 - moved the mirrored pid_filter_table back to dvb-dibusb
-             - first almost working version for HanfTek UMT-010
-             - found out, that Yakumo/HAMA/Typhoon are predecessors of the HanfTek UMT-010
+	     - first almost working version for HanfTek UMT-010
+	     - found out, that Yakumo/HAMA/Typhoon are predecessors of the HanfTek UMT-010
   2005-01-10 - refactoring completed, now everything is very delightful
-             - tuner quirks for some weird devices (Artec T1 AN2235 device has sometimes a
-               Panasonic Tuner assembled). Tunerprobing implemented. Thanks a lot to Gunnar Wittich.
+	     - tuner quirks for some weird devices (Artec T1 AN2235 device has sometimes a
+	       Panasonic Tuner assembled). Tunerprobing implemented. Thanks a lot to Gunnar Wittich.
   2004-12-29 - after several days of struggling around bug of no returning URBs fixed.
   2004-12-26 - refactored the dibusb-driver, splitted into separate files
-             - i2c-probing enabled
+	     - i2c-probing enabled
   2004-12-06 - possibility for demod i2c-address probing
-             - new usb IDs (Compro, Artec)
+	     - new usb IDs (Compro, Artec)
   2004-11-23 - merged changes from DiB3000MC_ver2.1
-             - revised the debugging
-             - possibility to deliver the complete TS for USB2.0
+	     - revised the debugging
+	     - possibility to deliver the complete TS for USB2.0
   2004-11-21 - first working version of the dib3000mc/p frontend driver.
   2004-11-12 - added additional remote control keys. Thanks to Uwe Hanke.
   2004-11-07 - added remote control support. Thanks to David Matthews.
   2004-11-05 - added support for a new devices (Grandtec/Avermedia/Artec)
-             - merged my changes (for dib3000mb/dibusb) to the FE_REFACTORING, because it became HEAD
-             - moved transfer control (pid filter, fifo control) from usb driver to frontend, it seems
-               better settled there (added xfer_ops-struct)
-             - created a common files for frontends (mc/p/mb)
+	     - merged my changes (for dib3000mb/dibusb) to the FE_REFACTORING, because it became HEAD
+	     - moved transfer control (pid filter, fifo control) from usb driver to frontend, it seems
+	       better settled there (added xfer_ops-struct)
+	     - created a common files for frontends (mc/p/mb)
   2004-09-28 - added support for a new device (Unkown, vendor ID is Hyper-Paltek)
   2004-09-20 - added support for a new device (Compro DVB-U2000), thanks
-               to Amaury Demol for reporting
-             - changed usb TS transfer method (several urbs, stopping transfer
-               before setting a new pid)
+	       to Amaury Demol for reporting
+	     - changed usb TS transfer method (several urbs, stopping transfer
+	       before setting a new pid)
   2004-09-13 - added support for a new device (Artec T1 USB TVBOX), thanks
-               to Christian Motschke for reporting
+	       to Christian Motschke for reporting
   2004-09-05 - released the dibusb device and dib3000mb-frontend driver
 
   (old news for vp7041.c)
   2004-07-15 - found out, by accident, that the device has a TUA6010XS for
-               PLL
+	       PLL
   2004-07-12 - figured out, that the driver should also work with the
-               CTS Portable (Chinese Television System)
+	       CTS Portable (Chinese Television System)
   2004-07-08 - firmware-extraction-2.422-problem solved, driver is now working
-               properly with firmware extracted from 2.422
-             - #if for 2.6.4 (dvb), compile issue
-             - changed firmware handling, see vp7041.txt sec 1.1
+	       properly with firmware extracted from 2.422
+	     - #if for 2.6.4 (dvb), compile issue
+	     - changed firmware handling, see vp7041.txt sec 1.1
   2004-07-02 - some tuner modifications, v0.1, cleanups, first public
   2004-06-28 - now using the dvb_dmx_swfilter_packets, everything
-               runs fine now
+	       runs fine now
   2004-06-27 - able to watch and switching channels (pre-alpha)
-             - no section filtering yet
+	     - no section filtering yet
   2004-06-06 - first TS received, but kernel oops :/
   2004-05-14 - firmware loader is working
   2004-05-11 - start writing the driver

Documentation/dvb/README.flexcop

@@ -174,7 +174,7 @@ Debugging
 Everything which is identical in the following table, can be put into a common
 flexcop-module.
 
-                  PCI                  USB
+		  PCI                  USB
 -------------------------------------------------------------------------------
 Different:
 Register access:  accessing IO memory  USB control message

Documentation/dvb/avermedia.txt

@@ -1,6 +1,6 @@
 
 HOWTO: Get An Avermedia DVB-T working under Linux
-           ______________________________________________
+	   ______________________________________________
 
    Table of Contents
    Assumptions and Introduction

Documentation/dvb/cards.txt

@@ -16,7 +16,7 @@ Hardware supported by the linuxtv.org DVB drivers
   shielding, and the whole metal box has its own part number.
 
 
-o Frontends drivers: 
+o Frontends drivers:
   - dvb_dummy_fe: for testing...
   DVB-S:
    - ves1x93		: Alps BSRV2 (ves1893 demodulator) and dbox2 (ves1993)
@@ -24,7 +24,7 @@ o Frontends drivers:
    - grundig_29504-491	: Grundig 29504-491 (Philips TDA8083 demodulator), tsa5522 PLL
    - mt312		: Zarlink mt312 or Mitel vp310 demodulator, sl1935 or tsa5059 PLL
    - stv0299		: Alps BSRU6 (tsa5059 PLL), LG TDQB-S00x (tsa5059 PLL),
-   			  LG TDQF-S001F (sl1935 PLL), Philips SU1278 (tua6100 PLL), 
+			  LG TDQF-S001F (sl1935 PLL), Philips SU1278 (tua6100 PLL),
 			  Philips SU1278SH (tsa5059 PLL), Samsung TBMU24112IMB
   DVB-C:
    - ves1820		: various (ves1820 demodulator, sp5659c or spXXXX PLL)
@@ -35,8 +35,8 @@ o Frontends drivers:
    - grundig_29504-401	: Grundig 29504-401 (LSI L64781 demodulator), tsa5060 PLL
    - tda1004x		: Philips tda10045h (td1344 or tdm1316l PLL)
    - nxt6000 		: Alps TDME7 (MITEL SP5659 PLL), Alps TDED4 (TI ALP510 PLL),
-               		  Comtech DVBT-6k07 (SP5730 PLL)
-               		  (NxtWave Communications NXT6000 demodulator)
+			  Comtech DVBT-6k07 (SP5730 PLL)
+			  (NxtWave Communications NXT6000 demodulator)
    - sp887x		: Microtune 7202D
    - dib3000mb	: DiBcom 3000-MB demodulator
   DVB-S/C/T:

Documentation/dvb/contributors.txt

@@ -15,7 +15,7 @@ Michael Holzt <kju@debian.org>
 
 Diego Picciani <d.picciani@novacomp.it>
   for CyberLogin for Linux which allows logging onto EON
-  (in case you are wondering where CyberLogin is, EON changed its login 
+  (in case you are wondering where CyberLogin is, EON changed its login
   procedure and CyberLogin is no longer used.)
 
 Martin Schaller <martin@smurf.franken.de>
@@ -57,7 +57,7 @@ Augusto Cardoso <augusto@carhil.net>
 Davor Emard <emard@softhome.net>
   for his work on the budget drivers, the demux code,
   the module unloading problems, ...
-  
+
 Hans-Frieder Vogt <hfvogt@arcor.de>
   for his work on calculating and checking the crc's for the
   TechnoTrend/Hauppauge DEC driver firmware

Documentation/dvb/readme.txt

@@ -20,7 +20,7 @@ http://linuxtv.org/downloads/
 
 What's inside this directory:
 
-"cards.txt" 
+"cards.txt"
 contains a list of supported hardware.
 
 "contributors.txt"
@@ -37,7 +37,7 @@ that require it.
 contains detailed informations about the
 TT DEC2000/DEC3000 USB DVB hardware.
 
-"bt8xx.txt" 
+"bt8xx.txt"
 contains detailed installation instructions for the
 various bt8xx based "budget" DVB cards
 (Nebula, Pinnacle PCTV, Twinhan DST)

Documentation/filesystems/ext3.txt

@@ -57,19 +57,19 @@ oldalloc		This disables the Orlov block allocator and enables the
 			we'd like to get some feedback if it's the contrary for
 			you.
 
-user_xattr	(*)	Enables POSIX Extended Attributes. It's enabled by
-			default, however you need to confifure its support
-			(CONFIG_EXT3_FS_XATTR). This is neccesary if you want
-			to use POSIX Acces Control Lists support. You can visit
-			http://acl.bestbits.at to know more about POSIX Extended
-			attributes.
-
-nouser_xattr		Disables POSIX Extended Attributes.
-
-acl		(*)	Enables POSIX Access Control Lists support. This is
-			enabled by default, however you need to configure
-			its support (CONFIG_EXT3_FS_POSIX_ACL). If you want
-			to know more about ACLs visit http://acl.bestbits.at
+user_xattr		Enables Extended User Attributes. Additionally, you need
+			to have extended attribute support enabled in the kernel
+			configuration (CONFIG_EXT3_FS_XATTR). See the attr(5)
+			manual page and http://acl.bestbits.at to learn more
+			about extended attributes.
+
+nouser_xattr		Disables Extended User Attributes.
+
+acl			Enables POSIX Access Control Lists support.  Additionally,
+			you need to have ACL support enabled in the kernel
+			configuration (CONFIG_EXT3_FS_POSIX_ACL). See the acl(5)
+			manual page and http://acl.bestbits.at for more
+			information.
 
 noacl			This option disables POSIX Access Control List support.
 

MAINTAINERS

@@ -536,7 +536,7 @@ P:	Mauro Carvalho Chehab
 M:	mchehab@brturbo.com.br
 L:	video4linux-list@redhat.com
 W:	http://linuxtv.org
-T:	quilt http://www.linuxtv.org/download/quilt/
+T:	git kernel.org:/pub/scm/linux/kernel/git/mchehab/v4l-dvb.git
 S:	Maintained
 
 BUSLOGIC SCSI DRIVER
@@ -834,7 +834,7 @@ P:	LinuxTV.org Project
 M: 	linux-dvb-maintainer@linuxtv.org
 L: 	linux-dvb@linuxtv.org (subscription required)
 W:	http://linuxtv.org/
-T:	quilt http://www.linuxtv.org/download/quilt/
+T:	git kernel.org:/pub/scm/linux/kernel/git/mchehab/v4l-dvb.git
 S:	Supported
 
 EATA-DMA SCSI DRIVER
@@ -1284,8 +1284,8 @@ T:	git kernel.org:/pub/scm/linux/kernel/git/roland/infiniband.git
 S:	Supported
 
 INPUT (KEYBOARD, MOUSE, JOYSTICK) DRIVERS
-P:	Vojtech Pavlik
-M:	vojtech@suse.cz
+P:	Dmitry Torokhov
+M:	dtor_core@ameritech.net
 L:	linux-input@atrey.karlin.mff.cuni.cz
 L:	linux-joystick@atrey.karlin.mff.cuni.cz
 T:	git kernel.org:/pub/scm/linux/kernel/git/dtor/input.git
@@ -2896,7 +2896,7 @@ P:	Mauro Carvalho Chehab
 M:	mchehab@brturbo.com.br
 L:	video4linux-list@redhat.com
 W:	http://linuxtv.org
-T:	quilt http://www.linuxtv.org/download/quilt/
+T:	git kernel.org:/pub/scm/linux/kernel/git/mchehab/v4l-dvb.git
 S:	Maintained
 
 W1 DALLAS'S 1-WIRE BUS

Makefile

@@ -1,8 +1,8 @@
 VERSION = 2
 PATCHLEVEL = 6
 SUBLEVEL = 15
-EXTRAVERSION =-rc5
-NAME=Affluent Albatross
+EXTRAVERSION =
+NAME=Sliding Snow Leopard
 
 # *DOCUMENTATION*
 # To see a list of typical targets execute "make help"
@@ -408,7 +408,7 @@ outputmakefile:
 # of make so .config is not included in this case either (for *config).
 
 no-dot-config-targets := clean mrproper distclean \
-			 cscope TAGS tags help %docs check% kernelrelease
+			 cscope TAGS tags help %docs check%
 
 config-targets := 0
 mixed-targets  := 0

arch/alpha/kernel/machvec_impl.h

@@ -41,7 +41,7 @@
 #define CAT1(x,y)  x##y
 #define CAT(x,y)   CAT1(x,y)
 
-#define DO_DEFAULT_RTC rtc_port: 0x70
+#define DO_DEFAULT_RTC .rtc_port = 0x70
 
 #define DO_EV4_MMU							\
 	.max_asn =			EV4_MAX_ASN,			\

arch/arm/kernel/calls.S

@@ -131,7 +131,7 @@ __syscall_start:
 		.long	sys_wait4
 /* 115 */	.long	sys_swapoff
 		.long	sys_sysinfo
-		.long	sys_ipc_wrapper
+		.long	sys_ipc
 		.long	sys_fsync
 		.long	sys_sigreturn_wrapper
 /* 120 */	.long	sys_clone_wrapper
@@ -254,7 +254,7 @@ __syscall_start:
 		.long	sys_fremovexattr
 		.long	sys_tkill
 		.long	sys_sendfile64
-/* 240 */	.long	sys_futex_wrapper
+/* 240 */	.long	sys_futex
 		.long	sys_sched_setaffinity
 		.long	sys_sched_getaffinity
 		.long	sys_io_setup
@@ -284,7 +284,7 @@ __syscall_start:
 		.long	sys_fstatfs64
 		.long	sys_tgkill
 		.long	sys_utimes
-/* 270 */	.long	sys_arm_fadvise64_64_wrapper
+/* 270 */	.long	sys_arm_fadvise64_64
 		.long	sys_pciconfig_iobase
 		.long	sys_pciconfig_read
 		.long	sys_pciconfig_write
@@ -333,7 +333,7 @@ __syscall_start:
 		.long	sys_inotify_init
 		.long	sys_inotify_add_watch
 		.long	sys_inotify_rm_watch
-		.long	sys_mbind_wrapper
+		.long	sys_mbind
 /* 320 */	.long	sys_get_mempolicy
 		.long	sys_set_mempolicy
 __syscall_end:

arch/arm/kernel/entry-armv.S

@@ -611,6 +611,47 @@ ENTRY(__switch_to)
 	.globl	__kuser_helper_start
 __kuser_helper_start:
 
+/*
+ * Reference prototype:
+ *
+ *	void __kernel_memory_barrier(void)
+ *
+ * Input:
+ *
+ *	lr = return address
+ *
+ * Output:
+ *
+ *	none
+ *
+ * Clobbered:
+ *
+ *	the Z flag might be lost
+ *
+ * Definition and user space usage example:
+ *
+ *	typedef void (__kernel_dmb_t)(void);
+ *	#define __kernel_dmb (*(__kernel_dmb_t *)0xffff0fa0)
+ *
+ * Apply any needed memory barrier to preserve consistency with data modified
+ * manually and __kuser_cmpxchg usage.
+ *
+ * This could be used as follows:
+ *
+ * #define __kernel_dmb() \
+ *         asm volatile ( "mov r0, #0xffff0fff; mov lr, pc; sub pc, r0, #95" \
+ *	        : : : "lr","cc" )
+ */
+
+__kuser_memory_barrier:				@ 0xffff0fa0
+
+#if __LINUX_ARM_ARCH__ >= 6 && defined(CONFIG_SMP)
+	mcr	p15, 0, r0, c7, c10, 5	@ dmb
+#endif
+	mov	pc, lr
+
+	.align	5
+
 /*
  * Reference prototype:
  *
@@ -642,6 +683,8 @@ __kuser_helper_start:
  * The C flag is also set if *ptr was changed to allow for assembly
  * optimization in the calling code.
  *
+ * Note: this routine already includes memory barriers as needed.
+ *
  * For example, a user space atomic_add implementation could look like this:
  *
  * #define atomic_add(ptr, val) \
@@ -698,10 +741,16 @@ __kuser_cmpxchg:				@ 0xffff0fc0
 
 #else
 
+#ifdef CONFIG_SMP
+	mcr	p15, 0, r0, c7, c10, 5	@ dmb
+#endif
 	ldrex	r3, [r2]
 	subs	r3, r3, r0
 	strexeq	r3, r1, [r2]
 	rsbs	r0, r3, #0
+#ifdef CONFIG_SMP
+	mcr	p15, 0, r0, c7, c10, 5	@ dmb
+#endif
 	mov	pc, lr
 
 #endif

arch/arm/kernel/entry-common.S

@@ -145,7 +145,7 @@ ENTRY(vector_swi)
 #endif
 	enable_irq
 
-	str	r4, [sp, #-S_OFF]!		@ push fifth arg
+	stmdb	sp!, {r4, r5}			@ push fifth and sixth args
 
 	get_thread_info tsk
 	ldr	ip, [tsk, #TI_FLAGS]		@ check for syscall tracing
@@ -204,7 +204,7 @@ ENTRY(sys_call_table)
  * Special system call wrappers
  */
 @ r0 = syscall number
-@ r5 = syscall table
+@ r8 = syscall table
 		.type	sys_syscall, #function
 sys_syscall:
 		eor	scno, r0, #__NR_SYSCALL_BASE
@@ -255,22 +255,6 @@ sys_sigaltstack_wrapper:
 		ldr	r2, [sp, #S_OFF + S_SP]
 		b	do_sigaltstack
 
-sys_futex_wrapper:
-		str	r5, [sp, #4]		@ push sixth arg
-		b	sys_futex
-
-sys_arm_fadvise64_64_wrapper:
-		str	r5, [sp, #4]		@ push r5 to stack
-		b	sys_arm_fadvise64_64
-
-sys_mbind_wrapper:
-		str	r5, [sp, #4]
-		b	sys_mbind
-
-sys_ipc_wrapper:
-		str	r5, [sp, #4]		@ push sixth arg
-		b	sys_ipc
-
 /*
  * Note: off_4k (r5) is always units of 4K.  If we can't do the requested
  * offset, we return EINVAL.

arch/arm/kernel/module.c

@@ -101,6 +101,8 @@ apply_relocate(Elf32_Shdr *sechdrs, const char *strtab, unsigned int symindex,
 			break;
 
 		case R_ARM_PC24:
+		case R_ARM_CALL:
+		case R_ARM_JUMP24:
 			offset = (*(u32 *)loc & 0x00ffffff) << 2;
 			if (offset & 0x02000000)
 				offset -= 0x04000000;

arch/arm/kernel/ptrace.c

@@ -242,6 +242,15 @@ get_branch_address(struct task_struct *child, unsigned long pc, unsigned long in
 		 */
 		long aluop1, aluop2, ccbit;
 
+	        if ((insn & 0x0fffffd0) == 0x012fff10) {
+		        /*
+			 * bx or blx
+			 */
+			alt = get_user_reg(child, insn & 15);
+			break;
+		}
+
+
 		if ((insn & 0xf000) != 0xf000)
 			break;
 

arch/arm/mach-pxa/pm.c

@@ -155,19 +155,20 @@ int pxa_pm_enter(suspend_state_t state)
 	PSPR = 0;
 
 	/* restore registers */
+	RESTORE_GPLEVEL(0); RESTORE_GPLEVEL(1); RESTORE_GPLEVEL(2);
+	RESTORE(GPDR0); RESTORE(GPDR1); RESTORE(GPDR2);
 	RESTORE(GAFR0_L); RESTORE(GAFR0_U);
 	RESTORE(GAFR1_L); RESTORE(GAFR1_U);
 	RESTORE(GAFR2_L); RESTORE(GAFR2_U);
-	RESTORE_GPLEVEL(0); RESTORE_GPLEVEL(1); RESTORE_GPLEVEL(2);
-	RESTORE(GPDR0); RESTORE(GPDR1); RESTORE(GPDR2);
 	RESTORE(GRER0); RESTORE(GRER1); RESTORE(GRER2);
 	RESTORE(GFER0); RESTORE(GFER1); RESTORE(GFER2);
 	RESTORE(PGSR0); RESTORE(PGSR1); RESTORE(PGSR2);
 
 #ifdef CONFIG_PXA27x
 	RESTORE(MDREFR);
-	RESTORE(GAFR3_L); RESTORE(GAFR3_U); RESTORE_GPLEVEL(3);
-	RESTORE(GPDR3); RESTORE(GRER3); RESTORE(GFER3); RESTORE(PGSR3);
+	RESTORE_GPLEVEL(3); RESTORE(GPDR3);
+	RESTORE(GAFR3_L); RESTORE(GAFR3_U);
+	RESTORE(GRER3); RESTORE(GFER3); RESTORE(PGSR3);
 	RESTORE(PWER); RESTORE(PCFR); RESTORE(PRER);
 	RESTORE(PFER); RESTORE(PKWR);
 #endif

arch/i386/kernel/kprobes.c

@@ -191,7 +191,7 @@ static int __kprobes kprobe_handler(struct pt_regs *regs)
 			 */
 			save_previous_kprobe(kcb);
 			set_current_kprobe(p, regs, kcb);
-			p->nmissed++;
+			kprobes_inc_nmissed_count(p);
 			prepare_singlestep(p, regs);
 			kcb->kprobe_status = KPROBE_REENTER;
 			return 1;

arch/i386/kernel/process.c

@@ -554,7 +554,9 @@ int dump_task_regs(struct task_struct *tsk, elf_gregset_t *regs)
 	struct pt_regs ptregs;
 	
 	ptregs = *(struct pt_regs *)
-		((unsigned long)tsk->thread_info+THREAD_SIZE - sizeof(ptregs));
+		((unsigned long)tsk->thread_info +
+		/* see comments in copy_thread() about -8 */
+		THREAD_SIZE - sizeof(ptregs) - 8);
 	ptregs.xcs &= 0xffff;
 	ptregs.xds &= 0xffff;
 	ptregs.xes &= 0xffff;

arch/i386/kernel/smpboot.c

@@ -1338,8 +1338,7 @@ int __cpu_disable(void)
 	if (cpu == 0)
 		return -EBUSY;
 
-	/* We enable the timer again on the exit path of the death loop */
-	disable_APIC_timer();
+	clear_local_APIC();
 	/* Allow any queued timer interrupts to get serviced */
 	local_irq_enable();
 	mdelay(1);

arch/i386/kernel/traps.c

@@ -650,13 +650,6 @@ fastcall void do_nmi(struct pt_regs * regs, long error_code)
 
 	cpu = smp_processor_id();
 
-#ifdef CONFIG_HOTPLUG_CPU
-	if (!cpu_online(cpu)) {
-		nmi_exit();
-		return;
-	}
-#endif
-
 	++nmi_count(cpu);
 
 	if (!rcu_dereference(nmi_callback)(regs, cpu))

arch/i386/mm/ioremap.c

@@ -223,9 +223,15 @@ void __iomem *ioremap_nocache (unsigned long phys_addr, unsigned long size)
 }
 EXPORT_SYMBOL(ioremap_nocache);
 
+/**
+ * iounmap - Free a IO remapping
+ * @addr: virtual address from ioremap_*
+ *
+ * Caller must ensure there is only one unmapping for the same pointer.
+ */
 void iounmap(volatile void __iomem *addr)
 {
-	struct vm_struct *p;
+	struct vm_struct *p, *o;
 
 	if ((void __force *)addr <= high_memory)
 		return;
@@ -239,22 +245,37 @@ void iounmap(volatile void __iomem *addr)
 			addr < phys_to_virt(ISA_END_ADDRESS))
 		return;
 
-	write_lock(&vmlist_lock);
-	p = __remove_vm_area((void *)(PAGE_MASK & (unsigned long __force)addr));
-	if (!p) { 
-		printk(KERN_WARNING "iounmap: bad address %p\n", addr);
+	addr = (volatile void __iomem *)(PAGE_MASK & (unsigned long __force)addr);
+
+	/* Use the vm area unlocked, assuming the caller
+	   ensures there isn't another iounmap for the same address
+	   in parallel. Reuse of the virtual address is prevented by
+	   leaving it in the global lists until we're done with it.
+	   cpa takes care of the direct mappings. */
+	read_lock(&vmlist_lock);
+	for (p = vmlist; p; p = p->next) {
+		if (p->addr == addr)
+			break;
+	}
+	read_unlock(&vmlist_lock);
+
+	if (!p) {
+		printk("iounmap: bad address %p\n", addr);
 		dump_stack();
-		goto out_unlock;
+		return;
 	}
 
+	/* Reset the direct mapping. Can block */
 	if ((p->flags >> 20) && p->phys_addr < virt_to_phys(high_memory) - 1) {
 		change_page_attr(virt_to_page(__va(p->phys_addr)),
 				 p->size >> PAGE_SHIFT,
 				 PAGE_KERNEL);
 		global_flush_tlb();
 	} 
-out_unlock:
-	write_unlock(&vmlist_lock);
+
+	/* Finally remove it */
+	o = remove_vm_area((void *)addr);
+	BUG_ON(p != o || o == NULL);
 	kfree(p); 
 }
 EXPORT_SYMBOL(iounmap);

arch/i386/pci/Makefile

@@ -1,7 +1,7 @@
 obj-y				:= i386.o
 
 obj-$(CONFIG_PCI_BIOS)		+= pcbios.o
-obj-$(CONFIG_PCI_MMCONFIG)	+= mmconfig.o
+obj-$(CONFIG_PCI_MMCONFIG)	+= mmconfig.o direct.o
 obj-$(CONFIG_PCI_DIRECT)	+= direct.o
 
 pci-y				:= fixup.o

arch/i386/pci/direct.c

@@ -13,7 +13,7 @@
 #define PCI_CONF1_ADDRESS(bus, devfn, reg) \
 	(0x80000000 | (bus << 16) | (devfn << 8) | (reg & ~3))
 
-static int pci_conf1_read(unsigned int seg, unsigned int bus,
+int pci_conf1_read(unsigned int seg, unsigned int bus,
 			  unsigned int devfn, int reg, int len, u32 *value)
 {
 	unsigned long flags;
@@ -42,7 +42,7 @@ static int pci_conf1_read(unsigned int seg, unsigned int bus,
 	return 0;
 }
 
-static int pci_conf1_write(unsigned int seg, unsigned int bus,
+int pci_conf1_write(unsigned int seg, unsigned int bus,
 			   unsigned int devfn, int reg, int len, u32 value)
 {
 	unsigned long flags;

arch/i386/pci/mmconfig.c

@@ -19,21 +19,25 @@
 /* The base address of the last MMCONFIG device accessed */
 static u32 mmcfg_last_accessed_device;
 
+static DECLARE_BITMAP(fallback_slots, 32);
+
 /*
  * Functions for accessing PCI configuration space with MMCONFIG accesses
  */
-static u32 get_base_addr(unsigned int seg, int bus)
+static u32 get_base_addr(unsigned int seg, int bus, unsigned devfn)
 {
 	int cfg_num = -1;
 	struct acpi_table_mcfg_config *cfg;
 
+	if (seg == 0 && bus == 0 &&
+	    test_bit(PCI_SLOT(devfn), fallback_slots))
+		return 0;
+
 	while (1) {
 		++cfg_num;
 		if (cfg_num >= pci_mmcfg_config_num) {
-			/* something bad is going on, no cfg table is found. */
-			/* so we fall back to the old way we used to do this */
-			/* and just rely on the first entry to be correct. */
-			return pci_mmcfg_config[0].base_address;
+			/* Not found - fallback to type 1 */
+			return 0;
 		}
 		cfg = &pci_mmcfg_config[cfg_num];
 		if (cfg->pci_segment_group_number != seg)
@@ -44,9 +48,9 @@ static u32 get_base_addr(unsigned int seg, int bus)
 	}
 }
 
-static inline void pci_exp_set_dev_base(unsigned int seg, int bus, int devfn)
+static inline void pci_exp_set_dev_base(unsigned int base, int bus, int devfn)
 {
-	u32 dev_base = get_base_addr(seg, bus) | (bus << 20) | (devfn << 12);
+	u32 dev_base = base | (bus << 20) | (devfn << 12);
 	if (dev_base != mmcfg_last_accessed_device) {
 		mmcfg_last_accessed_device = dev_base;
 		set_fixmap_nocache(FIX_PCIE_MCFG, dev_base);
@@ -57,13 +61,18 @@ static int pci_mmcfg_read(unsigned int seg, unsigned int bus,
 			  unsigned int devfn, int reg, int len, u32 *value)
 {
 	unsigned long flags;
+	u32 base;
 
 	if (!value || (bus > 255) || (devfn > 255) || (reg > 4095))
 		return -EINVAL;
 
+	base = get_base_addr(seg, bus, devfn);
+	if (!base)
+		return pci_conf1_read(seg,bus,devfn,reg,len,value);
+
 	spin_lock_irqsave(&pci_config_lock, flags);
 
-	pci_exp_set_dev_base(seg, bus, devfn);
+	pci_exp_set_dev_base(base, bus, devfn);
 
 	switch (len) {
 	case 1:
@@ -86,13 +95,18 @@ static int pci_mmcfg_write(unsigned int seg, unsigned int bus,
 			   unsigned int devfn, int reg, int len, u32 value)
 {
 	unsigned long flags;
+	u32 base;
 
 	if ((bus > 255) || (devfn > 255) || (reg > 4095)) 
 		return -EINVAL;
 
+	base = get_base_addr(seg, bus, devfn);
+	if (!base)
+		return pci_conf1_write(seg,bus,devfn,reg,len,value);
+
 	spin_lock_irqsave(&pci_config_lock, flags);
 
-	pci_exp_set_dev_base(seg, bus, devfn);
+	pci_exp_set_dev_base(base, bus, devfn);
 
 	switch (len) {
 	case 1:
@@ -116,6 +130,37 @@ static struct pci_raw_ops pci_mmcfg = {
 	.write =	pci_mmcfg_write,
 };
 
+/* K8 systems have some devices (typically in the builtin northbridge)
+   that are only accessible using type1
+   Normally this can be expressed in the MCFG by not listing them
+   and assigning suitable _SEGs, but this isn't implemented in some BIOS.
+   Instead try to discover all devices on bus 0 that are unreachable using MM
+   and fallback for them.
+   We only do this for bus 0/seg 0 */
+static __init void unreachable_devices(void)
+{
+	int i;
+	unsigned long flags;
+
+	for (i = 0; i < 32; i++) {
+		u32 val1;
+		u32 addr;
+
+		pci_conf1_read(0, 0, PCI_DEVFN(i, 0), 0, 4, &val1);
+		if (val1 == 0xffffffff)
+			continue;
+
+		/* Locking probably not needed, but safer */
+		spin_lock_irqsave(&pci_config_lock, flags);
+		addr = get_base_addr(0, 0, PCI_DEVFN(i, 0));
+		if (addr != 0)
+			pci_exp_set_dev_base(addr, 0, PCI_DEVFN(i, 0));
+		if (addr == 0 || readl((u32 __iomem *)mmcfg_virt_addr) != val1)
+			set_bit(i, fallback_slots);
+		spin_unlock_irqrestore(&pci_config_lock, flags);
+	}
+}
+
 static int __init pci_mmcfg_init(void)
 {
 	if ((pci_probe & PCI_PROBE_MMCONF) == 0)
@@ -131,6 +176,8 @@ static int __init pci_mmcfg_init(void)
 	raw_pci_ops = &pci_mmcfg;
 	pci_probe = (pci_probe & ~PCI_PROBE_MASK) | PCI_PROBE_MMCONF;
 
+	unreachable_devices();
+
  out:
 	return 0;
 }

arch/i386/pci/pci.h

@@ -74,3 +74,10 @@ extern spinlock_t pci_config_lock;
 
 extern int (*pcibios_enable_irq)(struct pci_dev *dev);
 extern void (*pcibios_disable_irq)(struct pci_dev *dev);
+
+extern int pci_conf1_write(unsigned int seg, unsigned int bus,
+			   unsigned int devfn, int reg, int len, u32 value);
+extern int pci_conf1_read(unsigned int seg, unsigned int bus,
+			  unsigned int devfn, int reg, int len, u32 *value);
+
+

arch/ia64/Kconfig

@@ -58,7 +58,7 @@ config IA64_UNCACHED_ALLOCATOR
 	bool
 	select GENERIC_ALLOCATOR
 
-config ZONE_DMA_IS_DMA32
+config DMA_IS_DMA32
 	bool
 	default y
 

arch/ia64/configs/sn2_defconfig

@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.13-rc6
-# Tue Aug 16 14:40:41 2005
+# Linux kernel version: 2.6.15-rc4
+# Fri Dec  2 10:33:48 2005
 #
 
 #
@@ -16,6 +16,7 @@ CONFIG_INIT_ENV_ARG_LIMIT=32
 # General setup
 #
 CONFIG_LOCALVERSION=""
+# CONFIG_LOCALVERSION_AUTO is not set
 CONFIG_SWAP=y
 CONFIG_SYSVIPC=y
 CONFIG_POSIX_MQUEUE=y
@@ -26,6 +27,7 @@ CONFIG_HOTPLUG=y
 CONFIG_KOBJECT_UEVENT=y
 # CONFIG_IKCONFIG is not set
 CONFIG_CPUSETS=y
+CONFIG_INITRAMFS_SOURCE=""
 # CONFIG_EMBEDDED is not set
 CONFIG_KALLSYMS=y
 CONFIG_KALLSYMS_ALL=y
@@ -55,12 +57,30 @@ CONFIG_OBSOLETE_MODPARM=y
 CONFIG_KMOD=y
 CONFIG_STOP_MACHINE=y
 
+#
+# Block layer
+#
+
+#
+# IO Schedulers
+#
+CONFIG_IOSCHED_NOOP=y
+CONFIG_IOSCHED_AS=y
+CONFIG_IOSCHED_DEADLINE=y
+CONFIG_IOSCHED_CFQ=y
+CONFIG_DEFAULT_AS=y
+# CONFIG_DEFAULT_DEADLINE is not set
+# CONFIG_DEFAULT_CFQ is not set
+# CONFIG_DEFAULT_NOOP is not set
+CONFIG_DEFAULT_IOSCHED="anticipatory"
+
 #
 # Processor type and features
 #
 CONFIG_IA64=y
 CONFIG_64BIT=y
 CONFIG_MMU=y
+CONFIG_SWIOTLB=y
 CONFIG_RWSEM_XCHGADD_ALGORITHM=y
 CONFIG_GENERIC_CALIBRATE_DELAY=y
 CONFIG_TIME_INTERPOLATION=y
@@ -68,6 +88,7 @@ CONFIG_EFI=y
 CONFIG_GENERIC_IOMAP=y
 CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y
 CONFIG_IA64_UNCACHED_ALLOCATOR=y
+CONFIG_ZONE_DMA_IS_DMA32=y
 # CONFIG_IA64_GENERIC is not set
 # CONFIG_IA64_DIG is not set
 # CONFIG_IA64_HP_ZX1 is not set
@@ -87,16 +108,12 @@ CONFIG_HZ_250=y
 # CONFIG_HZ_1000 is not set
 CONFIG_HZ=250
 CONFIG_IA64_L1_CACHE_SHIFT=7
-CONFIG_NUMA=y
-CONFIG_VIRTUAL_MEM_MAP=y
-CONFIG_HOLES_IN_ZONE=y
-CONFIG_ARCH_DISCONTIGMEM_ENABLE=y
 # CONFIG_IA64_CYCLONE is not set
 CONFIG_IOSAPIC=y
 CONFIG_IA64_SGI_SN_XP=m
-CONFIG_FORCE_MAX_ZONEORDER=18
+CONFIG_FORCE_MAX_ZONEORDER=17
 CONFIG_SMP=y
-CONFIG_NR_CPUS=512
+CONFIG_NR_CPUS=1024
 # CONFIG_HOTPLUG_CPU is not set
 CONFIG_SCHED_SMT=y
 CONFIG_PREEMPT=y
@@ -107,7 +124,17 @@ CONFIG_DISCONTIGMEM_MANUAL=y
 CONFIG_DISCONTIGMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 CONFIG_NEED_MULTIPLE_NODES=y
-CONFIG_HAVE_DEC_LOCK=y
+# CONFIG_SPARSEMEM_STATIC is not set
+CONFIG_SPLIT_PTLOCK_CPUS=4
+CONFIG_ARCH_SELECT_MEMORY_MODEL=y
+CONFIG_ARCH_DISCONTIGMEM_ENABLE=y
+CONFIG_ARCH_FLATMEM_ENABLE=y
+CONFIG_ARCH_SPARSEMEM_ENABLE=y
+CONFIG_ARCH_DISCONTIGMEM_DEFAULT=y
+CONFIG_NUMA=y
+CONFIG_VIRTUAL_MEM_MAP=y
+CONFIG_HOLES_IN_ZONE=y
+CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID=y
 CONFIG_IA32_SUPPORT=y
 CONFIG_COMPAT=y
 CONFIG_IA64_MCA_RECOVERY=y
@@ -126,20 +153,28 @@ CONFIG_BINFMT_ELF=y
 # Power management and ACPI
 #
 CONFIG_PM=y
-CONFIG_ACPI=y
+# CONFIG_PM_LEGACY is not set
+# CONFIG_PM_DEBUG is not set
 
 #
 # ACPI (Advanced Configuration and Power Interface) Support
 #
+CONFIG_ACPI=y
 # CONFIG_ACPI_BUTTON is not set
 # CONFIG_ACPI_FAN is not set
 # CONFIG_ACPI_PROCESSOR is not set
 CONFIG_ACPI_NUMA=y
+CONFIG_ACPI_BLACKLIST_YEAR=0
 # CONFIG_ACPI_DEBUG is not set
 CONFIG_ACPI_POWER=y
 CONFIG_ACPI_SYSTEM=y
 # CONFIG_ACPI_CONTAINER is not set
 
+#
+# CPU Frequency scaling
+#
+# CONFIG_CPU_FREQ is not set
+
 #
 # Bus options (PCI, PCMCIA)
 #
@@ -147,7 +182,6 @@ CONFIG_PCI=y
 CONFIG_PCI_DOMAINS=y
 # CONFIG_PCI_MSI is not set
 CONFIG_PCI_LEGACY_PROC=y
-CONFIG_PCI_NAMES=y
 # CONFIG_PCI_DEBUG is not set
 
 #
@@ -191,8 +225,8 @@ CONFIG_SYN_COOKIES=y
 # CONFIG_INET_ESP is not set
 # CONFIG_INET_IPCOMP is not set
 # CONFIG_INET_TUNNEL is not set
-CONFIG_IP_TCPDIAG=y
-# CONFIG_IP_TCPDIAG_IPV6 is not set
+CONFIG_INET_DIAG=m
+CONFIG_INET_TCP_DIAG=m
 # CONFIG_TCP_CONG_ADVANCED is not set
 CONFIG_TCP_CONG_BIC=y
 CONFIG_IPV6=m
@@ -204,6 +238,11 @@ CONFIG_IPV6=m
 # CONFIG_IPV6_TUNNEL is not set
 # CONFIG_NETFILTER is not set
 
+#
+# DCCP Configuration (EXPERIMENTAL)
+#
+# CONFIG_IP_DCCP is not set
+
 #
 # SCTP Configuration (EXPERIMENTAL)
 #
@@ -220,8 +259,11 @@ CONFIG_IPV6=m
 # CONFIG_NET_DIVERT is not set
 # CONFIG_ECONET is not set
 # CONFIG_WAN_ROUTER is not set
+
+#
+# QoS and/or fair queueing
+#
 # CONFIG_NET_SCHED is not set
-# CONFIG_NET_CLS_ROUTE is not set
 
 #
 # Network testing
@@ -230,6 +272,7 @@ CONFIG_IPV6=m
 # CONFIG_HAMRADIO is not set
 # CONFIG_IRDA is not set
 # CONFIG_BT is not set
+# CONFIG_IEEE80211 is not set
 
 #
 # Device Drivers
@@ -243,6 +286,11 @@ CONFIG_PREVENT_FIRMWARE_BUILD=y
 CONFIG_FW_LOADER=y
 # CONFIG_DEBUG_DRIVER is not set
 
+#
+# Connector - unified userspace <-> kernelspace linker
+#
+# CONFIG_CONNECTOR is not set
+
 #
 # Memory Technology Devices (MTD)
 #
@@ -275,16 +323,7 @@ CONFIG_BLK_DEV_RAM=y
 CONFIG_BLK_DEV_RAM_COUNT=16
 CONFIG_BLK_DEV_RAM_SIZE=4096
 CONFIG_BLK_DEV_INITRD=y
-CONFIG_INITRAMFS_SOURCE=""
 # CONFIG_CDROM_PKTCDVD is not set
-
-#
-# IO Schedulers
-#
-CONFIG_IOSCHED_NOOP=y
-CONFIG_IOSCHED_AS=y
-CONFIG_IOSCHED_DEADLINE=y
-CONFIG_IOSCHED_CFQ=y
 CONFIG_ATA_OVER_ETH=m
 
 #
@@ -349,6 +388,7 @@ CONFIG_IDEDMA_AUTO=y
 #
 # SCSI device support
 #
+# CONFIG_RAID_ATTRS is not set
 CONFIG_SCSI=y
 CONFIG_SCSI_PROC_FS=y
 
@@ -375,11 +415,13 @@ CONFIG_SCSI_CONSTANTS=y
 #
 CONFIG_SCSI_SPI_ATTRS=y
 CONFIG_SCSI_FC_ATTRS=y
-# CONFIG_SCSI_ISCSI_ATTRS is not set
+CONFIG_SCSI_ISCSI_ATTRS=m
+CONFIG_SCSI_SAS_ATTRS=y
 
 #
 # SCSI low-level drivers
 #
+CONFIG_ISCSI_TCP=m
 # CONFIG_BLK_DEV_3W_XXXX_RAID is not set
 # CONFIG_SCSI_3W_9XXX is not set
 # CONFIG_SCSI_ACARD is not set
@@ -389,15 +431,19 @@ CONFIG_SCSI_FC_ATTRS=y
 # CONFIG_SCSI_AIC79XX is not set
 # CONFIG_MEGARAID_NEWGEN is not set
 # CONFIG_MEGARAID_LEGACY is not set
+# CONFIG_MEGARAID_SAS is not set
 CONFIG_SCSI_SATA=y
 # CONFIG_SCSI_SATA_AHCI is not set
 # CONFIG_SCSI_SATA_SVW is not set
 # CONFIG_SCSI_ATA_PIIX is not set
+# CONFIG_SCSI_SATA_MV is not set
 # CONFIG_SCSI_SATA_NV is not set
-# CONFIG_SCSI_SATA_PROMISE is not set
+# CONFIG_SCSI_PDC_ADMA is not set
 # CONFIG_SCSI_SATA_QSTOR is not set
+# CONFIG_SCSI_SATA_PROMISE is not set
 # CONFIG_SCSI_SATA_SX4 is not set
 # CONFIG_SCSI_SATA_SIL is not set
+# CONFIG_SCSI_SATA_SIL24 is not set
 # CONFIG_SCSI_SATA_SIS is not set
 # CONFIG_SCSI_SATA_ULI is not set
 # CONFIG_SCSI_SATA_VIA is not set
@@ -411,7 +457,6 @@ CONFIG_SCSI_SATA_VITESSE=y
 # CONFIG_SCSI_IPR is not set
 # CONFIG_SCSI_QLOGIC_FC is not set
 CONFIG_SCSI_QLOGIC_1280=y
-# CONFIG_SCSI_QLOGIC_1280_1040 is not set
 CONFIG_SCSI_QLA2XXX=y
 # CONFIG_SCSI_QLA21XX is not set
 CONFIG_SCSI_QLA22XX=y
@@ -451,6 +496,7 @@ CONFIG_DM_MULTIPATH_EMC=m
 CONFIG_FUSION=y
 CONFIG_FUSION_SPI=y
 CONFIG_FUSION_FC=y
+CONFIG_FUSION_SAS=y
 CONFIG_FUSION_MAX_SGE=128
 CONFIG_FUSION_CTL=m
 
@@ -478,6 +524,10 @@ CONFIG_NETDEVICES=y
 #
 # CONFIG_ARCNET is not set
 
+#
+# PHY device support
+#
+
 #
 # Ethernet (10 or 100Mbit)
 #
@@ -493,6 +543,7 @@ CONFIG_NETDEVICES=y
 # CONFIG_HAMACHI is not set
 # CONFIG_YELLOWFIN is not set
 # CONFIG_R8169 is not set
+# CONFIG_SIS190 is not set
 # CONFIG_SKGE is not set
 # CONFIG_SK98LIN is not set
 CONFIG_TIGON3=y
@@ -501,10 +552,10 @@ CONFIG_TIGON3=y
 #
 # Ethernet (10000 Mbit)
 #
+CONFIG_CHELSIO_T1=m
 # CONFIG_IXGB is not set
 CONFIG_S2IO=m
 # CONFIG_S2IO_NAPI is not set
-# CONFIG_2BUFF_MODE is not set
 
 #
 # Token Ring devices
@@ -583,6 +634,7 @@ CONFIG_HW_CONSOLE=y
 CONFIG_SERIAL_NONSTANDARD=y
 # CONFIG_ROCKETPORT is not set
 # CONFIG_CYCLADES is not set
+# CONFIG_DIGIEPCA is not set
 # CONFIG_MOXA_SMARTIO is not set
 # CONFIG_ISI is not set
 # CONFIG_SYNCLINKMP is not set
@@ -629,7 +681,8 @@ CONFIG_EFI_RTC=y
 #
 # Ftape, the floppy tape device driver
 #
-# CONFIG_AGP is not set
+CONFIG_AGP=y
+CONFIG_AGP_SGI_TIOCA=y
 # CONFIG_DRM is not set
 CONFIG_RAW_DRIVER=m
 # CONFIG_HPET is not set
@@ -641,12 +694,12 @@ CONFIG_MMTIMER=y
 # TPM devices
 #
 # CONFIG_TCG_TPM is not set
+# CONFIG_TELCLOCK is not set
 
 #
 # I2C support
 #
 # CONFIG_I2C is not set
-# CONFIG_I2C_SENSOR is not set
 
 #
 # Dallas's 1-wire bus
@@ -657,11 +710,16 @@ CONFIG_MMTIMER=y
 # Hardware Monitoring support
 #
 # CONFIG_HWMON is not set
+# CONFIG_HWMON_VID is not set
 
 #
 # Misc devices
 #
 
+#
+# Multimedia Capabilities Port drivers
+#
+
 #
 # Multimedia devices
 #
@@ -721,12 +779,15 @@ CONFIG_USB_UHCI_HCD=m
 #
 # USB Device Class drivers
 #
-# CONFIG_USB_BLUETOOTH_TTY is not set
 # CONFIG_USB_ACM is not set
 # CONFIG_USB_PRINTER is not set
 
 #
-# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' may also be needed; see USB_STORAGE Help for more information
+# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
+#
+
+#
+# may also be needed; see USB_STORAGE Help for more information
 #
 # CONFIG_USB_STORAGE is not set
 
@@ -751,9 +812,11 @@ CONFIG_USB_HIDINPUT=y
 # CONFIG_USB_MTOUCH is not set
 # CONFIG_USB_ITMTOUCH is not set
 # CONFIG_USB_EGALAX is not set
+# CONFIG_USB_YEALINK is not set
 # CONFIG_USB_XPAD is not set
 # CONFIG_USB_ATI_REMOTE is not set
 # CONFIG_USB_KEYSPAN_REMOTE is not set
+# CONFIG_USB_APPLETOUCH is not set
 
 #
 # USB Imaging devices
@@ -824,11 +887,13 @@ CONFIG_USB_MON=y
 # InfiniBand support
 #
 CONFIG_INFINIBAND=m
-CONFIG_INFINIBAND_USER_VERBS=m
+# CONFIG_INFINIBAND_USER_MAD is not set
+CONFIG_INFINIBAND_USER_ACCESS=m
 CONFIG_INFINIBAND_MTHCA=m
 # CONFIG_INFINIBAND_MTHCA_DEBUG is not set
 CONFIG_INFINIBAND_IPOIB=m
 # CONFIG_INFINIBAND_IPOIB_DEBUG is not set
+CONFIG_INFINIBAND_SRP=m
 
 #
 # SN Devices
@@ -858,16 +923,12 @@ CONFIG_REISERFS_FS_POSIX_ACL=y
 CONFIG_REISERFS_FS_SECURITY=y
 # CONFIG_JFS_FS is not set
 CONFIG_FS_POSIX_ACL=y
-
-#
-# XFS support
-#
 CONFIG_XFS_FS=y
 CONFIG_XFS_EXPORT=y
-CONFIG_XFS_RT=y
 CONFIG_XFS_QUOTA=y
 # CONFIG_XFS_SECURITY is not set
 CONFIG_XFS_POSIX_ACL=y
+CONFIG_XFS_RT=y
 # CONFIG_MINIX_FS is not set
 # CONFIG_ROMFS_FS is not set
 CONFIG_INOTIFY=y
@@ -878,6 +939,7 @@ CONFIG_QUOTACTL=y
 CONFIG_DNOTIFY=y
 CONFIG_AUTOFS_FS=m
 CONFIG_AUTOFS4_FS=m
+CONFIG_FUSE_FS=m
 
 #
 # CD-ROM/DVD Filesystems
@@ -904,13 +966,11 @@ CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
 CONFIG_PROC_FS=y
 CONFIG_PROC_KCORE=y
 CONFIG_SYSFS=y
-# CONFIG_DEVPTS_FS_XATTR is not set
 CONFIG_TMPFS=y
-CONFIG_TMPFS_XATTR=y
-CONFIG_TMPFS_SECURITY=y
 CONFIG_HUGETLBFS=y
 CONFIG_HUGETLB_PAGE=y
 CONFIG_RAMFS=y
+CONFIG_RELAYFS_FS=m
 
 #
 # Miscellaneous filesystems
@@ -959,6 +1019,7 @@ CONFIG_CIFS=m
 # CONFIG_NCP_FS is not set
 # CONFIG_CODA_FS is not set
 # CONFIG_AFS_FS is not set
+# CONFIG_9P_FS is not set
 
 #
 # Partition Types
@@ -1028,18 +1089,21 @@ CONFIG_NLS_UTF8=y
 # Library routines
 #
 # CONFIG_CRC_CCITT is not set
+CONFIG_CRC16=m
 CONFIG_CRC32=y
-# CONFIG_LIBCRC32C is not set
+CONFIG_LIBCRC32C=m
 CONFIG_ZLIB_INFLATE=m
 CONFIG_ZLIB_DEFLATE=m
 CONFIG_GENERIC_ALLOCATOR=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_GENERIC_PENDING_IRQ=y
 
 #
-# Profiling support
+# Instrumentation Support
 #
 # CONFIG_PROFILING is not set
+# CONFIG_KPROBES is not set
 
 #
 # Kernel hacking
@@ -1048,6 +1112,7 @@ CONFIG_GENERIC_IRQ_PROBE=y
 CONFIG_DEBUG_KERNEL=y
 CONFIG_MAGIC_SYSRQ=y
 CONFIG_LOG_BUF_SHIFT=20
+CONFIG_DETECT_SOFTLOCKUP=y
 # CONFIG_SCHEDSTATS is not set
 # CONFIG_DEBUG_SLAB is not set
 CONFIG_DEBUG_PREEMPT=y
@@ -1056,7 +1121,8 @@ CONFIG_DEBUG_PREEMPT=y
 # CONFIG_DEBUG_KOBJECT is not set
 CONFIG_DEBUG_INFO=y
 # CONFIG_DEBUG_FS is not set
-# CONFIG_KPROBES is not set
+# CONFIG_DEBUG_VM is not set
+# CONFIG_RCU_TORTURE_TEST is not set
 CONFIG_IA64_GRANULE_16MB=y
 # CONFIG_IA64_GRANULE_64MB is not set
 # CONFIG_IA64_PRINT_HAZARDS is not set
@@ -1097,7 +1163,7 @@ CONFIG_CRYPTO_DES=m
 # CONFIG_CRYPTO_ANUBIS is not set
 CONFIG_CRYPTO_DEFLATE=m
 # CONFIG_CRYPTO_MICHAEL_MIC is not set
-# CONFIG_CRYPTO_CRC32C is not set
+CONFIG_CRYPTO_CRC32C=m
 # CONFIG_CRYPTO_TEST is not set
 
 #

arch/ia64/configs/tiger_defconfig

@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.14-rc1
-# Wed Sep 14 15:17:57 2005
+# Linux kernel version: 2.6.15-rc4
+# Fri Dec  2 16:06:32 2005
 #
 
 #
@@ -58,18 +58,37 @@ CONFIG_MODULE_SRCVERSION_ALL=y
 CONFIG_KMOD=y
 CONFIG_STOP_MACHINE=y
 
+#
+# Block layer
+#
+
+#
+# IO Schedulers
+#
+CONFIG_IOSCHED_NOOP=y
+CONFIG_IOSCHED_AS=y
+CONFIG_IOSCHED_DEADLINE=y
+CONFIG_IOSCHED_CFQ=y
+CONFIG_DEFAULT_AS=y
+# CONFIG_DEFAULT_DEADLINE is not set
+# CONFIG_DEFAULT_CFQ is not set
+# CONFIG_DEFAULT_NOOP is not set
+CONFIG_DEFAULT_IOSCHED="anticipatory"
+
 #
 # Processor type and features
 #
 CONFIG_IA64=y
 CONFIG_64BIT=y
 CONFIG_MMU=y
+CONFIG_SWIOTLB=y
 CONFIG_RWSEM_XCHGADD_ALGORITHM=y
 CONFIG_GENERIC_CALIBRATE_DELAY=y
 CONFIG_TIME_INTERPOLATION=y
 CONFIG_EFI=y
 CONFIG_GENERIC_IOMAP=y
 CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y
+CONFIG_ZONE_DMA_IS_DMA32=y
 # CONFIG_IA64_GENERIC is not set
 CONFIG_IA64_DIG=y
 # CONFIG_IA64_HP_ZX1 is not set
@@ -82,18 +101,16 @@ CONFIG_MCKINLEY=y
 # CONFIG_IA64_PAGE_SIZE_8KB is not set
 CONFIG_IA64_PAGE_SIZE_16KB=y
 # CONFIG_IA64_PAGE_SIZE_64KB is not set
+CONFIG_PGTABLE_3=y
+# CONFIG_PGTABLE_4 is not set
 # CONFIG_HZ_100 is not set
 CONFIG_HZ_250=y
 # CONFIG_HZ_1000 is not set
 CONFIG_HZ=250
 CONFIG_IA64_L1_CACHE_SHIFT=7
-# CONFIG_NUMA is not set
-CONFIG_VIRTUAL_MEM_MAP=y
-CONFIG_HOLES_IN_ZONE=y
 CONFIG_IA64_CYCLONE=y
 CONFIG_IOSAPIC=y
-# CONFIG_IA64_SGI_SN_XP is not set
-CONFIG_FORCE_MAX_ZONEORDER=18
+CONFIG_FORCE_MAX_ZONEORDER=17
 CONFIG_SMP=y
 CONFIG_NR_CPUS=4
 CONFIG_HOTPLUG_CPU=y
@@ -106,7 +123,13 @@ CONFIG_FLATMEM_MANUAL=y
 CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 # CONFIG_SPARSEMEM_STATIC is not set
-CONFIG_HAVE_DEC_LOCK=y
+CONFIG_SPLIT_PTLOCK_CPUS=4
+CONFIG_ARCH_SELECT_MEMORY_MODEL=y
+CONFIG_ARCH_DISCONTIGMEM_ENABLE=y
+CONFIG_ARCH_FLATMEM_ENABLE=y
+CONFIG_ARCH_SPARSEMEM_ENABLE=y
+CONFIG_VIRTUAL_MEM_MAP=y
+CONFIG_HOLES_IN_ZONE=y
 CONFIG_IA32_SUPPORT=y
 CONFIG_COMPAT=y
 CONFIG_IA64_MCA_RECOVERY=y
@@ -118,7 +141,6 @@ CONFIG_IA64_PALINFO=y
 #
 CONFIG_EFI_VARS=y
 CONFIG_EFI_PCDP=y
-# CONFIG_DELL_RBU is not set
 CONFIG_BINFMT_ELF=y
 CONFIG_BINFMT_MISC=m
 
@@ -126,6 +148,7 @@ CONFIG_BINFMT_MISC=m
 # Power management and ACPI
 #
 CONFIG_PM=y
+CONFIG_PM_LEGACY=y
 # CONFIG_PM_DEBUG is not set
 
 #
@@ -226,14 +249,16 @@ CONFIG_TCP_CONG_BIC=y
 # CONFIG_NET_DIVERT is not set
 # CONFIG_ECONET is not set
 # CONFIG_WAN_ROUTER is not set
+
+#
+# QoS and/or fair queueing
+#
 # CONFIG_NET_SCHED is not set
-# CONFIG_NET_CLS_ROUTE is not set
 
 #
 # Network testing
 #
 # CONFIG_NET_PKTGEN is not set
-# CONFIG_NETFILTER_NETLINK is not set
 # CONFIG_HAMRADIO is not set
 # CONFIG_IRDA is not set
 # CONFIG_BT is not set
@@ -295,14 +320,6 @@ CONFIG_BLK_DEV_RAM_COUNT=16
 CONFIG_BLK_DEV_RAM_SIZE=4096
 CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CDROM_PKTCDVD is not set
-
-#
-# IO Schedulers
-#
-CONFIG_IOSCHED_NOOP=y
-CONFIG_IOSCHED_AS=y
-CONFIG_IOSCHED_DEADLINE=y
-CONFIG_IOSCHED_CFQ=y
 # CONFIG_ATA_OVER_ETH is not set
 
 #
@@ -400,6 +417,7 @@ CONFIG_SCSI_FC_ATTRS=y
 #
 # SCSI low-level drivers
 #
+# CONFIG_ISCSI_TCP is not set
 # CONFIG_BLK_DEV_3W_XXXX_RAID is not set
 # CONFIG_SCSI_3W_9XXX is not set
 # CONFIG_SCSI_ACARD is not set
@@ -409,6 +427,7 @@ CONFIG_SCSI_FC_ATTRS=y
 # CONFIG_SCSI_AIC79XX is not set
 # CONFIG_MEGARAID_NEWGEN is not set
 # CONFIG_MEGARAID_LEGACY is not set
+# CONFIG_MEGARAID_SAS is not set
 # CONFIG_SCSI_SATA is not set
 # CONFIG_SCSI_DMX3191D is not set
 # CONFIG_SCSI_FUTURE_DOMAIN is not set
@@ -424,7 +443,6 @@ CONFIG_SCSI_SYM53C8XX_MAX_TAGS=64
 CONFIG_SCSI_QLOGIC_FC=y
 # CONFIG_SCSI_QLOGIC_FC_FIRMWARE is not set
 CONFIG_SCSI_QLOGIC_1280=y
-# CONFIG_SCSI_QLOGIC_1280_1040 is not set
 CONFIG_SCSI_QLA2XXX=y
 CONFIG_SCSI_QLA21XX=m
 CONFIG_SCSI_QLA22XX=m
@@ -463,6 +481,7 @@ CONFIG_DM_ZERO=m
 CONFIG_FUSION=y
 CONFIG_FUSION_SPI=y
 CONFIG_FUSION_FC=y
+# CONFIG_FUSION_SAS is not set
 CONFIG_FUSION_MAX_SGE=128
 CONFIG_FUSION_CTL=y
 
@@ -503,6 +522,7 @@ CONFIG_NET_ETHERNET=y
 CONFIG_MII=m
 # CONFIG_HAPPYMEAL is not set
 # CONFIG_SUNGEM is not set
+# CONFIG_CASSINI is not set
 # CONFIG_NET_VENDOR_3COM is not set
 
 #
@@ -727,6 +747,7 @@ CONFIG_MAX_RAW_DEVS=256
 # TPM devices
 #
 # CONFIG_TCG_TPM is not set
+# CONFIG_TELCLOCK is not set
 
 #
 # I2C support
@@ -812,12 +833,15 @@ CONFIG_USB_UHCI_HCD=y
 #
 # USB Device Class drivers
 #
-# CONFIG_USB_BLUETOOTH_TTY is not set
 # CONFIG_USB_ACM is not set
 # CONFIG_USB_PRINTER is not set
 
 #
-# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' may also be needed; see USB_STORAGE Help for more information
+# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
+#
+
+#
+# may also be needed; see USB_STORAGE Help for more information
 #
 CONFIG_USB_STORAGE=m
 # CONFIG_USB_STORAGE_DEBUG is not set
@@ -1123,9 +1147,10 @@ CONFIG_GENERIC_IRQ_PROBE=y
 CONFIG_GENERIC_PENDING_IRQ=y
 
 #
-# Profiling support
+# Instrumentation Support
 #
 # CONFIG_PROFILING is not set
+# CONFIG_KPROBES is not set
 
 #
 # Kernel hacking
@@ -1142,7 +1167,8 @@ CONFIG_DETECT_SOFTLOCKUP=y
 # CONFIG_DEBUG_KOBJECT is not set
 # CONFIG_DEBUG_INFO is not set
 # CONFIG_DEBUG_FS is not set
-# CONFIG_KPROBES is not set
+# CONFIG_DEBUG_VM is not set
+# CONFIG_RCU_TORTURE_TEST is not set
 CONFIG_IA64_GRANULE_16MB=y
 # CONFIG_IA64_GRANULE_64MB is not set
 # CONFIG_IA64_PRINT_HAZARDS is not set

arch/ia64/ia32/binfmt_elf32.c

@@ -261,8 +261,6 @@ elf32_set_personality (void)
 {
 	set_personality(PER_LINUX32);
 	current->thread.map_base  = IA32_PAGE_OFFSET/3;
-	current->thread.task_size = IA32_PAGE_OFFSET;	/* use what Linux/x86 uses... */
-	set_fs(USER_DS);				/* set addr limit for new TASK_SIZE */
 }
 
 static unsigned long

arch/ia64/ia32/ia32priv.h

@@ -305,7 +305,6 @@ struct old_linux32_dirent {
 #define ELF_DATA	ELFDATA2LSB
 #define ELF_ARCH	EM_386
 
-#define IA32_PAGE_OFFSET	0xc0000000
 #define IA32_STACK_TOP		IA32_PAGE_OFFSET
 #define IA32_GATE_OFFSET	IA32_PAGE_OFFSET
 #define IA32_GATE_END		IA32_PAGE_OFFSET + PAGE_SIZE

arch/ia64/kernel/kprobes.c

@@ -630,7 +630,7 @@ static int __kprobes pre_kprobes_handler(struct die_args *args)
 			 */
 			save_previous_kprobe(kcb);
 			set_current_kprobe(p, kcb);
-			p->nmissed++;
+			kprobes_inc_nmissed_count(p);
 			prepare_ss(p, regs);
 			kcb->kprobe_status = KPROBE_REENTER;
 			return 1;

arch/ia64/kernel/process.c

@@ -721,8 +721,13 @@ flush_thread (void)
 	/* drop floating-point and debug-register state if it exists: */
 	current->thread.flags &= ~(IA64_THREAD_FPH_VALID | IA64_THREAD_DBG_VALID);
 	ia64_drop_fpu(current);
-	if (IS_IA32_PROCESS(ia64_task_regs(current)))
+#ifdef CONFIG_IA32_SUPPORT
+	if (IS_IA32_PROCESS(ia64_task_regs(current))) {
 		ia32_drop_partial_page_list(current);
+		current->thread.task_size = IA32_PAGE_OFFSET;
+		set_fs(USER_DS);
+	}
+#endif
 }
 
 /*

arch/ia64/kernel/salinfo.c

@@ -293,7 +293,7 @@ retry:
 		if (file->f_flags & O_NONBLOCK)
 			return -EAGAIN;
 		if (down_interruptible(&data->sem))
-			return -ERESTARTSYS;
+			return -EINTR;
 	}
 
 	n = data->cpu_check;

arch/ia64/kernel/time.c

@@ -249,3 +249,32 @@ time_init (void)
 	 */
 	set_normalized_timespec(&wall_to_monotonic, -xtime.tv_sec, -xtime.tv_nsec);
 }
+
+#define SMALLUSECS 100
+
+void
+udelay (unsigned long usecs)
+{
+	unsigned long start;
+	unsigned long cycles;
+	unsigned long smallusecs;
+
+	/*
+	 * Execute the non-preemptible delay loop (because the ITC might
+	 * not be synchronized between CPUS) in relatively short time
+	 * chunks, allowing preemption between the chunks.
+	 */
+	while (usecs > 0) {
+		smallusecs = (usecs > SMALLUSECS) ? SMALLUSECS : usecs;
+		preempt_disable();
+		cycles = smallusecs*local_cpu_data->cyc_per_usec;
+		start = ia64_get_itc();
+
+		while (ia64_get_itc() - start < cycles)
+			cpu_relax();
+
+		preempt_enable();
+		usecs -= smallusecs;
+	}
+}
+EXPORT_SYMBOL(udelay);

arch/ia64/kernel/uncached.c

@@ -53,7 +53,7 @@ static void uncached_ipi_visibility(void *data)
 	if ((status != PAL_VISIBILITY_OK) &&
 	    (status != PAL_VISIBILITY_OK_REMOTE_NEEDED))
 		printk(KERN_DEBUG "pal_prefetch_visibility() returns %i on "
-		       "CPU %i\n", status, get_cpu());
+		       "CPU %i\n", status, raw_smp_processor_id());
 }
 
 
@@ -63,7 +63,7 @@ static void uncached_ipi_mc_drain(void *data)
 	status = ia64_pal_mc_drain();
 	if (status)
 		printk(KERN_WARNING "ia64_pal_mc_drain() failed with %i on "
-		       "CPU %i\n", status, get_cpu());
+		       "CPU %i\n", status, raw_smp_processor_id());
 }
 
 
@@ -105,7 +105,7 @@ uncached_get_new_chunk(struct gen_pool *poolp)
 	status = ia64_pal_prefetch_visibility(PAL_VISIBILITY_PHYSICAL);
 
 	dprintk(KERN_INFO "pal_prefetch_visibility() returns %i on cpu %i\n",
-		status, get_cpu());
+		status, raw_smp_processor_id());
 
 	if (!status) {
 		status = smp_call_function(uncached_ipi_visibility, NULL, 0, 1);

arch/ia64/kernel/vmlinux.lds.S

@@ -177,6 +177,9 @@ SECTIONS
 	}
   . = ALIGN(PAGE_SIZE);		/* make sure the gate page doesn't expose kernel data */
 
+  .data.read_mostly : AT(ADDR(.data.read_mostly) - LOAD_OFFSET)
+        { *(.data.read_mostly) }
+
   .data.cacheline_aligned : AT(ADDR(.data.cacheline_aligned) - LOAD_OFFSET)
         { *(.data.cacheline_aligned) }
 

arch/ia64/mm/discontig.c

@@ -50,8 +50,10 @@ static nodemask_t memory_less_mask __initdata;
  * To prevent cache aliasing effects, align per-node structures so that they
  * start at addresses that are strided by node number.
  */
+#define MAX_NODE_ALIGN_OFFSET	(32 * 1024 * 1024)
 #define NODEDATA_ALIGN(addr, node)						\
-	((((addr) + 1024*1024-1) & ~(1024*1024-1)) + (node)*PERCPU_PAGE_SIZE)
+	((((addr) + 1024*1024-1) & ~(1024*1024-1)) + 				\
+	     (((node)*PERCPU_PAGE_SIZE) & (MAX_NODE_ALIGN_OFFSET - 1)))
 
 /**
  * build_node_maps - callback to setup bootmem structs for each node

arch/ia64/sn/kernel/io_init.c

@@ -3,7 +3,7 @@
  * License.  See the file "COPYING" in the main directory of this archive
  * for more details.
  *
- * Copyright (C) 1992 - 1997, 2000-2004 Silicon Graphics, Inc. All rights reserved.
+ * Copyright (C) 1992 - 1997, 2000-2005 Silicon Graphics, Inc. All rights reserved.
  */
 
 #include <linux/bootmem.h>
@@ -146,6 +146,24 @@ sal_get_pcidev_info(u64 segment, u64 bus_number, u64 devfn, u64 pci_dev,
 	return ret_stuff.v0;
 }
 
+/*
+ * sn_pcidev_info_get() - Retrieve the pcidev_info struct for the specified
+ *			  device.
+ */
+inline struct pcidev_info *
+sn_pcidev_info_get(struct pci_dev *dev)
+{
+	struct pcidev_info *pcidev;
+
+	list_for_each_entry(pcidev,
+			    &(SN_PCI_CONTROLLER(dev)->pcidev_info), pdi_list) {
+		if (pcidev->pdi_linux_pcidev == dev) {
+			return pcidev;
+		}
+	}
+	return NULL;
+}
+
 /*
  * sn_fixup_ionodes() - This routine initializes the HUB data strcuture for 
  *	each node in the system.
@@ -229,6 +247,50 @@ static void sn_fixup_ionodes(void)
 
 }
 
+/*
+ * sn_pci_window_fixup() - Create a pci_window for each device resource.
+ *			   Until ACPI support is added, we need this code
+ *			   to setup pci_windows for use by
+ *			   pcibios_bus_to_resource(),
+ *			   pcibios_resource_to_bus(), etc.
+ */
+static void
+sn_pci_window_fixup(struct pci_dev *dev, unsigned int count,
+		    int64_t * pci_addrs)
+{
+	struct pci_controller *controller = PCI_CONTROLLER(dev->bus);
+	unsigned int i;
+	unsigned int idx;
+	unsigned int new_count;
+	struct pci_window *new_window;
+
+	if (count == 0)
+		return;
+	idx = controller->windows;
+	new_count = controller->windows + count;
+	new_window = kcalloc(new_count, sizeof(struct pci_window), GFP_KERNEL);
+	if (new_window == NULL)
+		BUG();
+	if (controller->window) {
+		memcpy(new_window, controller->window,
+		       sizeof(struct pci_window) * controller->windows);
+		kfree(controller->window);
+	}
+
+	/* Setup a pci_window for each device resource. */
+	for (i = 0; i <= PCI_ROM_RESOURCE; i++) {
+		if (pci_addrs[i] == -1)
+			continue;
+
+		new_window[idx].offset = dev->resource[i].start - pci_addrs[i];
+		new_window[idx].resource = dev->resource[i];
+		idx++;
+	}
+
+	controller->windows = new_count;
+	controller->window = new_window;
+}
+
 void sn_pci_unfixup_slot(struct pci_dev *dev)
 {
 	struct pci_dev *host_pci_dev = SN_PCIDEV_INFO(dev)->host_pci_dev;
@@ -246,21 +308,23 @@ void sn_pci_unfixup_slot(struct pci_dev *dev)
  */
 void sn_pci_fixup_slot(struct pci_dev *dev)
 {
+	unsigned int count = 0;
 	int idx;
 	int segment = pci_domain_nr(dev->bus);
 	int status = 0;
 	struct pcibus_bussoft *bs;
  	struct pci_bus *host_pci_bus;
  	struct pci_dev *host_pci_dev;
+	struct pcidev_info *pcidev_info;
+	int64_t pci_addrs[PCI_ROM_RESOURCE + 1];
  	struct sn_irq_info *sn_irq_info;
  	unsigned long size;
  	unsigned int bus_no, devfn;
 
 	pci_dev_get(dev); /* for the sysdata pointer */
-	dev->sysdata = kmalloc(sizeof(struct pcidev_info), GFP_KERNEL);
-	if (SN_PCIDEV_INFO(dev) <= 0)
+	pcidev_info = kzalloc(sizeof(struct pcidev_info), GFP_KERNEL);
+	if (pcidev_info <= 0)
 		BUG();		/* Cannot afford to run out of memory */
-	memset(SN_PCIDEV_INFO(dev), 0, sizeof(struct pcidev_info));
 
 	sn_irq_info = kmalloc(sizeof(struct sn_irq_info), GFP_KERNEL);
 	if (sn_irq_info <= 0)
@@ -270,22 +334,34 @@ void sn_pci_fixup_slot(struct pci_dev *dev)
 	/* Call to retrieve pci device information needed by kernel. */
 	status = sal_get_pcidev_info((u64) segment, (u64) dev->bus->number, 
 				     dev->devfn,
-				     (u64) __pa(SN_PCIDEV_INFO(dev)),
+				     (u64) __pa(pcidev_info),
 				     (u64) __pa(sn_irq_info));
 	if (status)
 		BUG(); /* Cannot get platform pci device information */
 
+	/* Add pcidev_info to list in sn_pci_controller struct */
+	list_add_tail(&pcidev_info->pdi_list,
+		      &(SN_PCI_CONTROLLER(dev->bus)->pcidev_info));
+
 	/* Copy over PIO Mapped Addresses */
 	for (idx = 0; idx <= PCI_ROM_RESOURCE; idx++) {
 		unsigned long start, end, addr;
 
-		if (!SN_PCIDEV_INFO(dev)->pdi_pio_mapped_addr[idx])
+		if (!pcidev_info->pdi_pio_mapped_addr[idx]) {
+			pci_addrs[idx] = -1;
 			continue;
+		}
 
 		start = dev->resource[idx].start;
 		end = dev->resource[idx].end;
 		size = end - start;
-		addr = SN_PCIDEV_INFO(dev)->pdi_pio_mapped_addr[idx];
+		if (size == 0) {
+			pci_addrs[idx] = -1;
+			continue;
+		}
+		pci_addrs[idx] = start;
+		count++;
+		addr = pcidev_info->pdi_pio_mapped_addr[idx];
 		addr = ((addr << 4) >> 4) | __IA64_UNCACHED_OFFSET;
 		dev->resource[idx].start = addr;
 		dev->resource[idx].end = addr + size;
@@ -294,23 +370,27 @@ void sn_pci_fixup_slot(struct pci_dev *dev)
 		else
 			dev->resource[idx].parent = &iomem_resource;
 	}
+	/* Create a pci_window in the pci_controller struct for
+	 * each device resource.
+	 */
+	if (count > 0)
+		sn_pci_window_fixup(dev, count, pci_addrs);
 
 	/*
 	 * Using the PROMs values for the PCI host bus, get the Linux
  	 * PCI host_pci_dev struct and set up host bus linkages
  	 */
 
- 	bus_no = (SN_PCIDEV_INFO(dev)->pdi_slot_host_handle >> 32) & 0xff;
- 	devfn = SN_PCIDEV_INFO(dev)->pdi_slot_host_handle & 0xffffffff;
+	bus_no = (pcidev_info->pdi_slot_host_handle >> 32) & 0xff;
+	devfn = pcidev_info->pdi_slot_host_handle & 0xffffffff;
  	host_pci_bus = pci_find_bus(segment, bus_no);
  	host_pci_dev = pci_get_slot(host_pci_bus, devfn);
 
-	SN_PCIDEV_INFO(dev)->host_pci_dev = host_pci_dev;
-	SN_PCIDEV_INFO(dev)->pdi_host_pcidev_info =
-	    					SN_PCIDEV_INFO(host_pci_dev);
-	SN_PCIDEV_INFO(dev)->pdi_linux_pcidev = dev;
+	pcidev_info->host_pci_dev = host_pci_dev;
+	pcidev_info->pdi_linux_pcidev = dev;
+	pcidev_info->pdi_host_pcidev_info = SN_PCIDEV_INFO(host_pci_dev);
 	bs = SN_PCIBUS_BUSSOFT(dev->bus);
-	SN_PCIDEV_INFO(dev)->pdi_pcibus_info = bs;
+	pcidev_info->pdi_pcibus_info = bs;
 
 	if (bs && bs->bs_asic_type < PCIIO_ASIC_MAX_TYPES) {
 		SN_PCIDEV_BUSPROVIDER(dev) = sn_pci_provider[bs->bs_asic_type];
@@ -320,11 +400,11 @@ void sn_pci_fixup_slot(struct pci_dev *dev)
 
 	/* Only set up IRQ stuff if this device has a host bus context */
 	if (bs && sn_irq_info->irq_irq) {
-		SN_PCIDEV_INFO(dev)->pdi_sn_irq_info = sn_irq_info;
-		dev->irq = SN_PCIDEV_INFO(dev)->pdi_sn_irq_info->irq_irq;
+		pcidev_info->pdi_sn_irq_info = sn_irq_info;
+		dev->irq = pcidev_info->pdi_sn_irq_info->irq_irq;
 		sn_irq_fixup(dev, sn_irq_info);
 	} else {
-		SN_PCIDEV_INFO(dev)->pdi_sn_irq_info = NULL;
+		pcidev_info->pdi_sn_irq_info = NULL;
 		kfree(sn_irq_info);
 	}
 }
@@ -338,6 +418,7 @@ void sn_pci_controller_fixup(int segment, int busnum, struct pci_bus *bus)
 	int status = 0;
 	int nasid, cnode;
 	struct pci_controller *controller;
+	struct sn_pci_controller *sn_controller;
 	struct pcibus_bussoft *prom_bussoft_ptr;
 	struct hubdev_info *hubdev_info;
 	void *provider_soft = NULL;
@@ -349,10 +430,15 @@ void sn_pci_controller_fixup(int segment, int busnum, struct pci_bus *bus)
 		return;		/*bus # does not exist */
 	prom_bussoft_ptr = __va(prom_bussoft_ptr);
 
- 	controller = kzalloc(sizeof(struct pci_controller), GFP_KERNEL);
+	/* Allocate a sn_pci_controller, which has a pci_controller struct
+	 * as the first member.
+	 */
+	sn_controller = kzalloc(sizeof(struct sn_pci_controller), GFP_KERNEL);
+	if (!sn_controller)
+		BUG();
+	INIT_LIST_HEAD(&sn_controller->pcidev_info);
+	controller = &sn_controller->pci_controller;
 	controller->segment = segment;
- 	if (!controller)
- 		BUG();
 
 	if (bus == NULL) {
  		bus = pci_scan_bus(busnum, &pci_root_ops, controller);
@@ -389,6 +475,29 @@ void sn_pci_controller_fixup(int segment, int busnum, struct pci_bus *bus)
 		goto error_return;
 	}
 
+	/*
+	 * Setup pci_windows for legacy IO and MEM space.
+	 * (Temporary until ACPI support is in place.)
+	 */
+	controller->window = kcalloc(2, sizeof(struct pci_window), GFP_KERNEL);
+	if (controller->window == NULL)
+		BUG();
+	controller->window[0].offset = prom_bussoft_ptr->bs_legacy_io;
+	controller->window[0].resource.name = "legacy_io";
+	controller->window[0].resource.flags = IORESOURCE_IO;
+	controller->window[0].resource.start = prom_bussoft_ptr->bs_legacy_io;
+	controller->window[0].resource.end =
+	    controller->window[0].resource.start + 0xffff;
+	controller->window[0].resource.parent = &ioport_resource;
+	controller->window[1].offset = prom_bussoft_ptr->bs_legacy_mem;
+	controller->window[1].resource.name = "legacy_mem";
+	controller->window[1].resource.flags = IORESOURCE_MEM;
+	controller->window[1].resource.start = prom_bussoft_ptr->bs_legacy_mem;
+	controller->window[1].resource.end =
+	    controller->window[1].resource.start + (1024 * 1024) - 1;
+	controller->window[1].resource.parent = &iomem_resource;
+	controller->windows = 2;
+
 	/*
 	 * Generic bus fixup goes here.  Don't reference prom_bussoft_ptr
 	 * after this point.
@@ -421,7 +530,7 @@ void sn_pci_controller_fixup(int segment, int busnum, struct pci_bus *bus)
 
 error_return:
 
-	kfree(controller);
+	kfree(sn_controller);
 	return;
 }
 
@@ -434,7 +543,7 @@ void sn_bus_store_sysdata(struct pci_dev *dev)
 		dev_dbg(dev, "%s: out of memory!\n", __FUNCTION__);
 		return;
 	}
-	element->sysdata = dev->sysdata;
+	element->sysdata = SN_PCIDEV_INFO(dev);
 	list_add(&element->entry, &sn_sysdata_list);
 }
 

arch/ia64/sn/kernel/sn2/ptc_deadlock.S

@@ -39,9 +39,13 @@ sn2_ptc_deadlock_recovery_core:
 	mov	r8=r0
 
 1:
+	cmp.ne  p8,p9=r0,ptc1		// Test for shub type (ptc1 non-null on shub1)
+					// p8 = 1 if shub1, p9 = 1 if shub2
+
 	add	scr2=ALIAS_OFFSET,piowc	// Address of WRITE_STATUS alias register 
-	;;
-	ld8.acq	scr1=[scr2];;
+	mov	scr1=7;;		// Clear DEADLOCK, WRITE_ERROR, MULTI_WRITE_ERROR
+(p8)	st8.rel	[scr2]=scr1;;
+(p9)	ld8.acq	scr1=[scr2];;
 
 5:	ld8.acq	scr1=[piowc];;		// Wait for PIOs to complete.
 	hint	@pause

arch/ia64/sn/kernel/sn2/sn2_smp.c

@@ -202,7 +202,7 @@ sn2_global_tlb_purge(struct mm_struct *mm, unsigned long start,
 		     unsigned long end, unsigned long nbits)
 {
 	int i, opt, shub1, cnode, mynasid, cpu, lcpu = 0, nasid, flushed = 0;
-	int mymm = (mm == current->active_mm);
+	int mymm = (mm == current->active_mm && current->mm);
 	volatile unsigned long *ptc0, *ptc1;
 	unsigned long itc, itc2, flags, data0 = 0, data1 = 0, rr_value;
 	short nasids[MAX_NUMNODES], nix;

arch/ia64/sn/pci/pcibr/pcibr_reg.c

@@ -25,7 +25,7 @@ union br_ptr {
  */
 void pcireg_control_bit_clr(struct pcibus_info *pcibus_info, uint64_t bits)
 {
-	union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base;
+	union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base;
 
 	if (pcibus_info) {
 		switch (pcibus_info->pbi_bridge_type) {
@@ -38,14 +38,14 @@ void pcireg_control_bit_clr(struct pcibus_info *pcibus_info, uint64_t bits)
 		default:
 			panic
 			    ("pcireg_control_bit_clr: unknown bridgetype bridge 0x%p",
-			     (void *)ptr);
+			     ptr);
 		}
 	}
 }
 
 void pcireg_control_bit_set(struct pcibus_info *pcibus_info, uint64_t bits)
 {
-	union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base;
+	union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base;
 
 	if (pcibus_info) {
 		switch (pcibus_info->pbi_bridge_type) {
@@ -58,7 +58,7 @@ void pcireg_control_bit_set(struct pcibus_info *pcibus_info, uint64_t bits)
 		default:
 			panic
 			    ("pcireg_control_bit_set: unknown bridgetype bridge 0x%p",
-			     (void *)ptr);
+			     ptr);
 		}
 	}
 }
@@ -68,7 +68,7 @@ void pcireg_control_bit_set(struct pcibus_info *pcibus_info, uint64_t bits)
  */
 uint64_t pcireg_tflush_get(struct pcibus_info *pcibus_info)
 {
-	union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base;
+	union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base;
 	uint64_t ret = 0;
 
 	if (pcibus_info) {
@@ -82,7 +82,7 @@ uint64_t pcireg_tflush_get(struct pcibus_info *pcibus_info)
 		default:
 			panic
 			    ("pcireg_tflush_get: unknown bridgetype bridge 0x%p",
-			     (void *)ptr);
+			     ptr);
 		}
 	}
 
@@ -98,7 +98,7 @@ uint64_t pcireg_tflush_get(struct pcibus_info *pcibus_info)
  */
 uint64_t pcireg_intr_status_get(struct pcibus_info * pcibus_info)
 {
-	union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base;
+	union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base;
 	uint64_t ret = 0;
 
 	if (pcibus_info) {
@@ -112,7 +112,7 @@ uint64_t pcireg_intr_status_get(struct pcibus_info * pcibus_info)
 		default:
 			panic
 			    ("pcireg_intr_status_get: unknown bridgetype bridge 0x%p",
-			     (void *)ptr);
+			     ptr);
 		}
 	}
 	return ret;
@@ -123,7 +123,7 @@ uint64_t pcireg_intr_status_get(struct pcibus_info * pcibus_info)
  */
 void pcireg_intr_enable_bit_clr(struct pcibus_info *pcibus_info, uint64_t bits)
 {
-	union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base;
+	union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base;
 
 	if (pcibus_info) {
 		switch (pcibus_info->pbi_bridge_type) {
@@ -136,14 +136,14 @@ void pcireg_intr_enable_bit_clr(struct pcibus_info *pcibus_info, uint64_t bits)
 		default:
 			panic
 			    ("pcireg_intr_enable_bit_clr: unknown bridgetype bridge 0x%p",
-			     (void *)ptr);
+			     ptr);
 		}
 	}
 }
 
 void pcireg_intr_enable_bit_set(struct pcibus_info *pcibus_info, uint64_t bits)
 {
-	union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base;
+	union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base;
 
 	if (pcibus_info) {
 		switch (pcibus_info->pbi_bridge_type) {
@@ -156,7 +156,7 @@ void pcireg_intr_enable_bit_set(struct pcibus_info *pcibus_info, uint64_t bits)
 		default:
 			panic
 			    ("pcireg_intr_enable_bit_set: unknown bridgetype bridge 0x%p",
-			     (void *)ptr);
+			     ptr);
 		}
 	}
 }
@@ -167,7 +167,7 @@ void pcireg_intr_enable_bit_set(struct pcibus_info *pcibus_info, uint64_t bits)
 void pcireg_intr_addr_addr_set(struct pcibus_info *pcibus_info, int int_n,
 			       uint64_t addr)
 {
-	union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base;
+	union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base;
 
 	if (pcibus_info) {
 		switch (pcibus_info->pbi_bridge_type) {
@@ -186,7 +186,7 @@ void pcireg_intr_addr_addr_set(struct pcibus_info *pcibus_info, int int_n,
 		default:
 			panic
 			    ("pcireg_intr_addr_addr_get: unknown bridgetype bridge 0x%p",
-			     (void *)ptr);
+			     ptr);
 		}
 	}
 }
@@ -196,7 +196,7 @@ void pcireg_intr_addr_addr_set(struct pcibus_info *pcibus_info, int int_n,
  */
 void pcireg_force_intr_set(struct pcibus_info *pcibus_info, int int_n)
 {
-	union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base;
+	union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base;
 
 	if (pcibus_info) {
 		switch (pcibus_info->pbi_bridge_type) {
@@ -209,7 +209,7 @@ void pcireg_force_intr_set(struct pcibus_info *pcibus_info, int int_n)
 		default:
 			panic
 			    ("pcireg_force_intr_set: unknown bridgetype bridge 0x%p",
-			     (void *)ptr);
+			     ptr);
 		}
 	}
 }
@@ -219,7 +219,7 @@ void pcireg_force_intr_set(struct pcibus_info *pcibus_info, int int_n)
  */
 uint64_t pcireg_wrb_flush_get(struct pcibus_info *pcibus_info, int device)
 {
-	union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base;
+	union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base;
 	uint64_t ret = 0;
 
 	if (pcibus_info) {
@@ -233,7 +233,7 @@ uint64_t pcireg_wrb_flush_get(struct pcibus_info *pcibus_info, int device)
 			    __sn_readq_relaxed(&ptr->pic.p_wr_req_buf[device]);
 			break;
 		default:
-		      panic("pcireg_wrb_flush_get: unknown bridgetype bridge 0x%p", (void *)ptr);
+		      panic("pcireg_wrb_flush_get: unknown bridgetype bridge 0x%p", ptr);
 		}
 
 	}
@@ -244,7 +244,7 @@ uint64_t pcireg_wrb_flush_get(struct pcibus_info *pcibus_info, int device)
 void pcireg_int_ate_set(struct pcibus_info *pcibus_info, int ate_index,
 			uint64_t val)
 {
-	union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base;
+	union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base;
 
 	if (pcibus_info) {
 		switch (pcibus_info->pbi_bridge_type) {
@@ -257,15 +257,15 @@ void pcireg_int_ate_set(struct pcibus_info *pcibus_info, int ate_index,
 		default:
 			panic
 			    ("pcireg_int_ate_set: unknown bridgetype bridge 0x%p",
-			     (void *)ptr);
+			     ptr);
 		}
 	}
 }
 
-uint64_t *pcireg_int_ate_addr(struct pcibus_info *pcibus_info, int ate_index)
+uint64_t __iomem *pcireg_int_ate_addr(struct pcibus_info *pcibus_info, int ate_index)
 {
-	union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base;
-	uint64_t *ret = (uint64_t *) 0;
+	union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base;
+	uint64_t __iomem *ret = NULL;
 
 	if (pcibus_info) {
 		switch (pcibus_info->pbi_bridge_type) {
@@ -278,7 +278,7 @@ uint64_t *pcireg_int_ate_addr(struct pcibus_info *pcibus_info, int ate_index)
 		default:
 			panic
 			    ("pcireg_int_ate_addr: unknown bridgetype bridge 0x%p",
-			     (void *)ptr);
+			     ptr);
 		}
 	}
 	return ret;

arch/ia64/sn/pci/tioca_provider.c

@@ -38,10 +38,10 @@ tioca_gart_init(struct tioca_kernel *tioca_kern)
 	uint64_t offset;
 	struct page *tmp;
 	struct tioca_common *tioca_common;
-	struct tioca *ca_base;
+	struct tioca __iomem *ca_base;
 
 	tioca_common = tioca_kern->ca_common;
-	ca_base = (struct tioca *)tioca_common->ca_common.bs_base;
+	ca_base = (struct tioca __iomem *)tioca_common->ca_common.bs_base;
 
 	if (list_empty(tioca_kern->ca_devices))
 		return 0;
@@ -215,7 +215,7 @@ tioca_fastwrite_enable(struct tioca_kernel *tioca_kern)
 {
 	int cap_ptr;
 	uint32_t reg;
-	struct tioca *tioca_base;
+	struct tioca __iomem *tioca_base;
 	struct pci_dev *pdev;
 	struct tioca_common *common;
 
@@ -257,7 +257,7 @@ tioca_fastwrite_enable(struct tioca_kernel *tioca_kern)
 	 * Set ca's fw to match
 	 */
 
-	tioca_base = (struct tioca *)common->ca_common.bs_base;
+	tioca_base = (struct tioca __iomem*)common->ca_common.bs_base;
 	__sn_setq_relaxed(&tioca_base->ca_control1, CA_AGP_FW_ENABLE);
 }
 
@@ -322,7 +322,7 @@ static uint64_t
 tioca_dma_d48(struct pci_dev *pdev, uint64_t paddr)
 {
 	struct tioca_common *tioca_common;
-	struct tioca *ca_base;
+	struct tioca __iomem *ca_base;
 	uint64_t ct_addr;
 	dma_addr_t bus_addr;
 	uint32_t node_upper;
@@ -330,7 +330,7 @@ tioca_dma_d48(struct pci_dev *pdev, uint64_t paddr)
 	struct pcidev_info *pcidev_info = SN_PCIDEV_INFO(pdev);
 
 	tioca_common = (struct tioca_common *)pcidev_info->pdi_pcibus_info;
-	ca_base = (struct tioca *)tioca_common->ca_common.bs_base;
+	ca_base = (struct tioca __iomem *)tioca_common->ca_common.bs_base;
 
 	ct_addr = PHYS_TO_TIODMA(paddr);
 	if (!ct_addr)

arch/mips/mm/init.c

@@ -67,8 +67,8 @@ unsigned long setup_zero_pages(void)
 
 	page = virt_to_page(empty_zero_page);
 	while (page < virt_to_page(empty_zero_page + (PAGE_SIZE << order))) {
-		set_bit(PG_reserved, &page->flags);
-		reset_page_mapcount(page);
+		SetPageReserved(page);
+		set_page_count(page, 1);
 		page++;
 	}
 

arch/powerpc/Kconfig

@@ -227,7 +227,7 @@ config SMP
 	  If you don't know what to do here, say N.
 
 config NR_CPUS
-	int "Maximum number of CPUs (2-32)"
+	int "Maximum number of CPUs (2-128)"
 	range 2 128
 	depends on SMP
 	default "32" if PPC64

arch/powerpc/configs/cell_defconfig

@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.15-rc1
-# Tue Nov 15 14:36:20 2005
+# Linux kernel version: 2.6.15-rc5
+# Tue Dec 20 15:59:26 2005
 #
 CONFIG_PPC64=y
 CONFIG_64BIT=y
@@ -53,6 +53,7 @@ CONFIG_KOBJECT_UEVENT=y
 # CONFIG_IKCONFIG is not set
 # CONFIG_CPUSETS is not set
 CONFIG_INITRAMFS_SOURCE=""
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
 # CONFIG_EMBEDDED is not set
 CONFIG_KALLSYMS=y
 # CONFIG_KALLSYMS_ALL is not set
@@ -151,7 +152,7 @@ CONFIG_FLATMEM_MANUAL=y
 CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 # CONFIG_SPARSEMEM_STATIC is not set
-CONFIG_SPLIT_PTLOCK_CPUS=4096
+CONFIG_SPLIT_PTLOCK_CPUS=4
 # CONFIG_PPC_64K_PAGES is not set
 CONFIG_SCHED_SMT=y
 CONFIG_PROC_DEVICETREE=y

arch/powerpc/configs/g5_defconfig

@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.15-rc1
-# Tue Nov 15 14:39:20 2005
+# Linux kernel version: 2.6.15-rc5
+# Tue Dec 20 15:59:30 2005
 #
 CONFIG_PPC64=y
 CONFIG_64BIT=y
@@ -53,6 +53,7 @@ CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 # CONFIG_CPUSETS is not set
 CONFIG_INITRAMFS_SOURCE=""
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
 # CONFIG_EMBEDDED is not set
 CONFIG_KALLSYMS=y
 # CONFIG_KALLSYMS_ALL is not set
@@ -162,7 +163,7 @@ CONFIG_FLATMEM_MANUAL=y
 CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 # CONFIG_SPARSEMEM_STATIC is not set
-CONFIG_SPLIT_PTLOCK_CPUS=4096
+CONFIG_SPLIT_PTLOCK_CPUS=4
 # CONFIG_PPC_64K_PAGES is not set
 # CONFIG_SCHED_SMT is not set
 CONFIG_PROC_DEVICETREE=y
@@ -1203,6 +1204,7 @@ CONFIG_USB_MON=y
 CONFIG_USB_SERIAL=m
 CONFIG_USB_SERIAL_GENERIC=y
 # CONFIG_USB_SERIAL_AIRPRIME is not set
+# CONFIG_USB_SERIAL_ANYDATA is not set
 CONFIG_USB_SERIAL_BELKIN=m
 CONFIG_USB_SERIAL_DIGI_ACCELEPORT=m
 # CONFIG_USB_SERIAL_CP2101 is not set
@@ -1233,7 +1235,6 @@ CONFIG_USB_SERIAL_KEYSPAN_USA49WLC=y
 CONFIG_USB_SERIAL_KLSI=m
 CONFIG_USB_SERIAL_KOBIL_SCT=m
 CONFIG_USB_SERIAL_MCT_U232=m
-# CONFIG_USB_SERIAL_NOKIA_DKU2 is not set
 CONFIG_USB_SERIAL_PL2303=m
 # CONFIG_USB_SERIAL_HP4X is not set
 CONFIG_USB_SERIAL_SAFE=m

arch/powerpc/configs/iseries_defconfig

@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.15-rc1
-# Tue Nov 15 14:38:09 2005
+# Linux kernel version: 2.6.15-rc5
+# Tue Dec 20 15:59:32 2005
 #
 CONFIG_PPC64=y
 CONFIG_64BIT=y
@@ -55,6 +55,7 @@ CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 # CONFIG_CPUSETS is not set
 CONFIG_INITRAMFS_SOURCE=""
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
 # CONFIG_EMBEDDED is not set
 CONFIG_KALLSYMS=y
 # CONFIG_KALLSYMS_ALL is not set
@@ -144,7 +145,7 @@ CONFIG_FLATMEM_MANUAL=y
 CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 # CONFIG_SPARSEMEM_STATIC is not set
-CONFIG_SPLIT_PTLOCK_CPUS=4096
+CONFIG_SPLIT_PTLOCK_CPUS=4
 # CONFIG_PPC_64K_PAGES is not set
 # CONFIG_SCHED_SMT is not set
 CONFIG_PROC_DEVICETREE=y

arch/powerpc/configs/maple_defconfig

@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.15-rc1
-# Tue Nov 15 14:38:58 2005
+# Linux kernel version: 2.6.15-rc5
+# Tue Dec 20 15:59:36 2005
 #
 CONFIG_PPC64=y
 CONFIG_64BIT=y
@@ -53,6 +53,7 @@ CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 # CONFIG_CPUSETS is not set
 CONFIG_INITRAMFS_SOURCE=""
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
 # CONFIG_EMBEDDED is not set
 CONFIG_KALLSYMS=y
 CONFIG_KALLSYMS_ALL=y
@@ -149,7 +150,7 @@ CONFIG_FLATMEM_MANUAL=y
 CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 # CONFIG_SPARSEMEM_STATIC is not set
-CONFIG_SPLIT_PTLOCK_CPUS=4096
+CONFIG_SPLIT_PTLOCK_CPUS=4
 # CONFIG_PPC_64K_PAGES is not set
 # CONFIG_SCHED_SMT is not set
 CONFIG_PROC_DEVICETREE=y
@@ -242,7 +243,6 @@ CONFIG_TCP_CONG_BIC=y
 # QoS and/or fair queueing
 #
 # CONFIG_NET_SCHED is not set
-# CONFIG_NET_CLS_ROUTE is not set
 
 #
 # Network testing
@@ -794,6 +794,7 @@ CONFIG_USB_SERIAL=y
 # CONFIG_USB_SERIAL_CONSOLE is not set
 CONFIG_USB_SERIAL_GENERIC=y
 # CONFIG_USB_SERIAL_AIRPRIME is not set
+# CONFIG_USB_SERIAL_ANYDATA is not set
 # CONFIG_USB_SERIAL_BELKIN is not set
 # CONFIG_USB_SERIAL_DIGI_ACCELEPORT is not set
 # CONFIG_USB_SERIAL_CP2101 is not set
@@ -824,7 +825,6 @@ CONFIG_USB_SERIAL_KEYSPAN_USA49WLC=y
 # CONFIG_USB_SERIAL_KLSI is not set
 # CONFIG_USB_SERIAL_KOBIL_SCT is not set
 # CONFIG_USB_SERIAL_MCT_U232 is not set
-# CONFIG_USB_SERIAL_NOKIA_DKU2 is not set
 # CONFIG_USB_SERIAL_PL2303 is not set
 # CONFIG_USB_SERIAL_HP4X is not set
 # CONFIG_USB_SERIAL_SAFE is not set

arch/powerpc/configs/ppc64_defconfig

@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.15-rc1
-# Fri Nov 18 16:23:24 2005
+# Linux kernel version: 2.6.15-rc5
+# Tue Dec 20 15:59:38 2005
 #
 CONFIG_PPC64=y
 CONFIG_64BIT=y
@@ -54,6 +54,7 @@ CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 CONFIG_CPUSETS=y
 CONFIG_INITRAMFS_SOURCE=""
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
 # CONFIG_EMBEDDED is not set
 CONFIG_KALLSYMS=y
 CONFIG_KALLSYMS_ALL=y
@@ -176,7 +177,7 @@ CONFIG_HAVE_MEMORY_PRESENT=y
 # CONFIG_SPARSEMEM_STATIC is not set
 CONFIG_SPARSEMEM_EXTREME=y
 # CONFIG_MEMORY_HOTPLUG is not set
-CONFIG_SPLIT_PTLOCK_CPUS=4096
+CONFIG_SPLIT_PTLOCK_CPUS=4
 # CONFIG_PPC_64K_PAGES is not set
 # CONFIG_SCHED_SMT is not set
 CONFIG_PROC_DEVICETREE=y

arch/powerpc/configs/pseries_defconfig

@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.15-rc1
-# Tue Nov 15 14:36:55 2005
+# Linux kernel version: 2.6.15-rc5
+# Tue Dec 20 15:59:40 2005
 #
 CONFIG_PPC64=y
 CONFIG_64BIT=y
@@ -55,6 +55,7 @@ CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 CONFIG_CPUSETS=y
 CONFIG_INITRAMFS_SOURCE=""
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
 # CONFIG_EMBEDDED is not set
 CONFIG_KALLSYMS=y
 CONFIG_KALLSYMS_ALL=y
@@ -163,7 +164,7 @@ CONFIG_HAVE_MEMORY_PRESENT=y
 # CONFIG_SPARSEMEM_STATIC is not set
 CONFIG_SPARSEMEM_EXTREME=y
 # CONFIG_MEMORY_HOTPLUG is not set
-CONFIG_SPLIT_PTLOCK_CPUS=4096
+CONFIG_SPLIT_PTLOCK_CPUS=4
 CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID=y
 # CONFIG_PPC_64K_PAGES is not set
 CONFIG_SCHED_SMT=y

arch/powerpc/kernel/entry_64.S

@@ -183,8 +183,8 @@ syscall_exit_trace_cont:
 	ld	r13,GPR13(r1)		/* returning to usermode */
 1:	ld	r2,GPR2(r1)
 	li	r12,MSR_RI
-	andc	r10,r10,r12
-	mtmsrd	r10,1			/* clear MSR.RI */
+	andc	r11,r10,r12
+	mtmsrd	r11,1			/* clear MSR.RI */
 	ld	r1,GPR1(r1)
 	mtlr	r4
 	mtcr	r5

arch/powerpc/kernel/kprobes.c

@@ -177,7 +177,7 @@ static inline int kprobe_handler(struct pt_regs *regs)
 			save_previous_kprobe(kcb);
 			set_current_kprobe(p, regs, kcb);
 			kcb->kprobe_saved_msr = regs->msr;
-			p->nmissed++;
+			kprobes_inc_nmissed_count(p);
 			prepare_singlestep(p, regs);
 			kcb->kprobe_status = KPROBE_REENTER;
 			return 1;

arch/powerpc/kernel/setup_64.c

@@ -102,7 +102,15 @@ int boot_cpuid_phys = 0;
 dev_t boot_dev;
 u64 ppc64_pft_size;
 
-struct ppc64_caches ppc64_caches;
+/* Pick defaults since we might want to patch instructions
+ * before we've read this from the device tree.
+ */
+struct ppc64_caches ppc64_caches = {
+	.dline_size = 0x80,
+	.log_dline_size = 7,
+	.iline_size = 0x80,
+	.log_iline_size = 7
+};
 EXPORT_SYMBOL_GPL(ppc64_caches);
 
 /*

arch/powerpc/kernel/syscalls.c

@@ -247,7 +247,7 @@ long ppc64_personality(unsigned long personality)
 #define OVERRIDE_MACHINE    0
 #endif
 
-static inline int override_machine(char *mach)
+static inline int override_machine(char __user *mach)
 {
 	if (OVERRIDE_MACHINE) {
 		/* change ppc64 to ppc */

arch/powerpc/mm/hash_utils_64.c

@@ -514,7 +514,7 @@ void __init htab_initialize(void)
 #undef KB
 #undef MB
 
-void __init htab_initialize_secondary(void)
+void htab_initialize_secondary(void)
 {
 	if (!platform_is_lpar())
 		mtspr(SPRN_SDR1, _SDR1);
@@ -601,7 +601,7 @@ int hash_page(unsigned long ea, unsigned long access, unsigned long trap)
 	/* Handle hugepage regions */
 	if (unlikely(in_hugepage_area(mm->context, ea))) {
 		DBG_LOW(" -> huge page !\n");
-		return hash_huge_page(mm, access, ea, vsid, local);
+		return hash_huge_page(mm, access, ea, vsid, local, trap);
 	}
 
 	/* Get PTE and page size from page tables */

arch/powerpc/mm/hugetlbpage.c

@@ -148,43 +148,63 @@ int is_aligned_hugepage_range(unsigned long addr, unsigned long len)
 	return 0;
 }
 
+struct slb_flush_info {
+	struct mm_struct *mm;
+	u16 newareas;
+};
+
 static void flush_low_segments(void *parm)
 {
-	u16 areas = (unsigned long) parm;
+	struct slb_flush_info *fi = parm;
 	unsigned long i;
 
-	asm volatile("isync" : : : "memory");
+	BUILD_BUG_ON((sizeof(fi->newareas)*8) != NUM_LOW_AREAS);
+
+	if (current->active_mm != fi->mm)
+		return;
+
+	/* Only need to do anything if this CPU is working in the same
+	 * mm as the one which has changed */
 
-	BUILD_BUG_ON((sizeof(areas)*8) != NUM_LOW_AREAS);
+	/* update the paca copy of the context struct */
+	get_paca()->context = current->active_mm->context;
 
+	asm volatile("isync" : : : "memory");
 	for (i = 0; i < NUM_LOW_AREAS; i++) {
-		if (! (areas & (1U << i)))
+		if (! (fi->newareas & (1U << i)))
 			continue;
 		asm volatile("slbie %0"
 			     : : "r" ((i << SID_SHIFT) | SLBIE_C));
 	}
-
 	asm volatile("isync" : : : "memory");
 }
 
 static void flush_high_segments(void *parm)
 {
-	u16 areas = (unsigned long) parm;
+	struct slb_flush_info *fi = parm;
 	unsigned long i, j;
 
-	asm volatile("isync" : : : "memory");
 
-	BUILD_BUG_ON((sizeof(areas)*8) != NUM_HIGH_AREAS);
+	BUILD_BUG_ON((sizeof(fi->newareas)*8) != NUM_HIGH_AREAS);
 
+	if (current->active_mm != fi->mm)
+		return;
+
+	/* Only need to do anything if this CPU is working in the same
+	 * mm as the one which has changed */
+
+	/* update the paca copy of the context struct */
+	get_paca()->context = current->active_mm->context;
+
+	asm volatile("isync" : : : "memory");
 	for (i = 0; i < NUM_HIGH_AREAS; i++) {
-		if (! (areas & (1U << i)))
+		if (! (fi->newareas & (1U << i)))
 			continue;
 		for (j = 0; j < (1UL << (HTLB_AREA_SHIFT-SID_SHIFT)); j++)
 			asm volatile("slbie %0"
 				     :: "r" (((i << HTLB_AREA_SHIFT)
-					     + (j << SID_SHIFT)) | SLBIE_C));
+					      + (j << SID_SHIFT)) | SLBIE_C));
 	}
-
 	asm volatile("isync" : : : "memory");
 }
 
@@ -229,6 +249,7 @@ static int prepare_high_area_for_htlb(struct mm_struct *mm, unsigned long area)
 static int open_low_hpage_areas(struct mm_struct *mm, u16 newareas)
 {
 	unsigned long i;
+	struct slb_flush_info fi;
 
 	BUILD_BUG_ON((sizeof(newareas)*8) != NUM_LOW_AREAS);
 	BUILD_BUG_ON((sizeof(mm->context.low_htlb_areas)*8) != NUM_LOW_AREAS);
@@ -244,19 +265,20 @@ static int open_low_hpage_areas(struct mm_struct *mm, u16 newareas)
 
 	mm->context.low_htlb_areas |= newareas;
 
-	/* update the paca copy of the context struct */
-	get_paca()->context = mm->context;
-
 	/* the context change must make it to memory before the flush,
 	 * so that further SLB misses do the right thing. */
 	mb();
-	on_each_cpu(flush_low_segments, (void *)(unsigned long)newareas, 0, 1);
+
+	fi.mm = mm;
+	fi.newareas = newareas;
+	on_each_cpu(flush_low_segments, &fi, 0, 1);
 
 	return 0;
 }
 
 static int open_high_hpage_areas(struct mm_struct *mm, u16 newareas)
 {
+	struct slb_flush_info fi;
 	unsigned long i;
 
 	BUILD_BUG_ON((sizeof(newareas)*8) != NUM_HIGH_AREAS);
@@ -280,7 +302,10 @@ static int open_high_hpage_areas(struct mm_struct *mm, u16 newareas)
 	/* the context change must make it to memory before the flush,
 	 * so that further SLB misses do the right thing. */
 	mb();
-	on_each_cpu(flush_high_segments, (void *)(unsigned long)newareas, 0, 1);
+
+	fi.mm = mm;
+	fi.newareas = newareas;
+	on_each_cpu(flush_high_segments, &fi, 0, 1);
 
 	return 0;
 }
@@ -639,8 +664,36 @@ unsigned long hugetlb_get_unmapped_area(struct file *file, unsigned long addr,
 	return -ENOMEM;
 }
 
+/*
+ * Called by asm hashtable.S for doing lazy icache flush
+ */
+static unsigned int hash_huge_page_do_lazy_icache(unsigned long rflags,
+						  pte_t pte, int trap)
+{
+	struct page *page;
+	int i;
+
+	if (!pfn_valid(pte_pfn(pte)))
+		return rflags;
+
+	page = pte_page(pte);
+
+	/* page is dirty */
+	if (!test_bit(PG_arch_1, &page->flags) && !PageReserved(page)) {
+		if (trap == 0x400) {
+			for (i = 0; i < (HPAGE_SIZE / PAGE_SIZE); i++)
+				__flush_dcache_icache(page_address(page+i));
+			set_bit(PG_arch_1, &page->flags);
+		} else {
+			rflags |= HPTE_R_N;
+		}
+	}
+	return rflags;
+}
+
 int hash_huge_page(struct mm_struct *mm, unsigned long access,
-		   unsigned long ea, unsigned long vsid, int local)
+		   unsigned long ea, unsigned long vsid, int local,
+		   unsigned long trap)
 {
 	pte_t *ptep;
 	unsigned long old_pte, new_pte;
@@ -691,6 +744,11 @@ int hash_huge_page(struct mm_struct *mm, unsigned long access,
 	rflags = 0x2 | (!(new_pte & _PAGE_RW));
  	/* _PAGE_EXEC -> HW_NO_EXEC since it's inverted */
 	rflags |= ((new_pte & _PAGE_EXEC) ? 0 : HPTE_R_N);
+	if (!cpu_has_feature(CPU_FTR_COHERENT_ICACHE))
+		/* No CPU has hugepages but lacks no execute, so we
+		 * don't need to worry about that case */
+		rflags = hash_huge_page_do_lazy_icache(rflags, __pte(old_pte),
+						       trap);
 
 	/* Check if pte already has an hpte (case 2) */
 	if (unlikely(old_pte & _PAGE_HASHPTE)) {
@@ -703,7 +761,8 @@ int hash_huge_page(struct mm_struct *mm, unsigned long access,
 		slot = (hash & htab_hash_mask) * HPTES_PER_GROUP;
 		slot += (old_pte & _PAGE_F_GIX) >> 12;
 
-		if (ppc_md.hpte_updatepp(slot, rflags, va, 1, local) == -1)
+		if (ppc_md.hpte_updatepp(slot, rflags, va, mmu_huge_psize,
+					 local) == -1)
 			old_pte &= ~_PAGE_HPTEFLAGS;
 	}
 

arch/powerpc/mm/numa.c

@@ -125,7 +125,7 @@ void __init get_region(unsigned int nid, unsigned long *start_pfn,
 
 	/* We didnt find a matching region, return start/end as 0 */
 	if (*start_pfn == -1UL)
-		start_pfn = 0;
+		*start_pfn = 0;
 }
 
 static inline void map_cpu_to_node(int cpu, int node)

arch/powerpc/mm/stab.c

@@ -288,11 +288,6 @@ void stab_initialize(unsigned long stab)
 		return;
 	}
 #endif /* CONFIG_PPC_ISERIES */
-#ifdef CONFIG_PPC_PSERIES
-	if (platform_is_lpar()) {
-		plpar_hcall_norets(H_SET_ASR, stabreal);
-		return;
-	}
-#endif
+
 	mtspr(SPRN_ASR, stabreal);
 }

arch/powerpc/platforms/powermac/feature.c

@@ -1650,11 +1650,19 @@ void pmac_tweak_clock_spreading(int enable)
 	 */
 
 	if (macio->type == macio_intrepid) {
-		if (enable)
-			UN_OUT(UNI_N_CLOCK_SPREADING, 2);
-		else
-			UN_OUT(UNI_N_CLOCK_SPREADING, 0);
-		mdelay(40);
+		struct device_node *clock =
+			of_find_node_by_path("/uni-n@f8000000/hw-clock");
+		if (clock && get_property(clock, "platform-do-clockspreading",
+					  NULL)) {
+			printk(KERN_INFO "%sabling clock spreading on Intrepid"
+			       " ASIC\n", enable ? "En" : "Dis");
+			if (enable)
+				UN_OUT(UNI_N_CLOCK_SPREADING, 2);
+			else
+				UN_OUT(UNI_N_CLOCK_SPREADING, 0);
+			mdelay(40);
+		}
+		of_node_put(clock);
 	}
 
 	while (machine_is_compatible("PowerBook5,2") ||
@@ -1724,6 +1732,9 @@ void pmac_tweak_clock_spreading(int enable)
 			pmac_low_i2c_close(ui2c);
 			break;
 		}
+		printk(KERN_INFO "%sabling clock spreading on i2c clock chip\n",
+		       enable ? "En" : "Dis");
+
 		pmac_low_i2c_setmode(ui2c, pmac_low_i2c_mode_stdsub);
 		rc = pmac_low_i2c_xfer(ui2c, 0xd2 | pmac_low_i2c_write, 0x80, buffer, 9);
 		DBG("write result: %d,", rc);

arch/powerpc/platforms/pseries/iommu.c

@@ -109,6 +109,9 @@ static void tce_build_pSeriesLP(struct iommu_table *tbl, long tcenum,
 	u64 rc;
 	union tce_entry tce;
 
+	tcenum <<= TCE_PAGE_FACTOR;
+	npages <<= TCE_PAGE_FACTOR;
+
 	tce.te_word = 0;
 	tce.te_rpn = (virt_to_abs(uaddr)) >> TCE_SHIFT;
 	tce.te_rdwr = 1;
@@ -143,10 +146,7 @@ static void tce_buildmulti_pSeriesLP(struct iommu_table *tbl, long tcenum,
 	union tce_entry tce, *tcep;
 	long l, limit;
 
-	tcenum <<= TCE_PAGE_FACTOR;
-	npages <<= TCE_PAGE_FACTOR;
-
-	if (npages == 1)
+	if (TCE_PAGE_FACTOR == 0 && npages == 1)
 		return tce_build_pSeriesLP(tbl, tcenum, npages, uaddr,
 					   direction);
 
@@ -164,6 +164,9 @@ static void tce_buildmulti_pSeriesLP(struct iommu_table *tbl, long tcenum,
 		__get_cpu_var(tce_page) = tcep;
 	}
 
+	tcenum <<= TCE_PAGE_FACTOR;
+	npages <<= TCE_PAGE_FACTOR;
+
 	tce.te_word = 0;
 	tce.te_rpn = (virt_to_abs(uaddr)) >> TCE_SHIFT;
 	tce.te_rdwr = 1;

arch/powerpc/platforms/pseries/lpar.c

@@ -298,18 +298,6 @@ long pSeries_lpar_hpte_insert(unsigned long hpte_group,
 	if (!(vflags & HPTE_V_BOLTED))
 		DBG_LOW(" hpte_v=%016lx, hpte_r=%016lx\n", hpte_v, hpte_r);
 
-#if 1
-	{
-		int i;
-		for (i=0;i<8;i++) {
-			unsigned long w0, w1;
-			plpar_pte_read(0, hpte_group, &w0, &w1);
-			BUG_ON (HPTE_V_COMPARE(hpte_v, w0)
-				&& (w0 & HPTE_V_VALID));
-		}
-	}
-#endif
-
 	/* Now fill in the actual HPTE */
 	/* Set CEC cookie to 0         */
 	/* Zero page = 0               */

arch/powerpc/platforms/pseries/xics.c

@@ -48,11 +48,6 @@ static struct hw_interrupt_type xics_pic = {
 	.set_affinity = xics_set_affinity
 };
 
-static struct hw_interrupt_type xics_8259_pic = {
-	.typename = " XICS/8259",
-	.ack = xics_mask_and_ack_irq,
-};
-
 /* This is used to map real irq numbers to virtual */
 static struct radix_tree_root irq_map = RADIX_TREE_INIT(GFP_ATOMIC);
 
@@ -367,12 +362,7 @@ int xics_get_irq(struct pt_regs *regs)
 	/* for sanity, this had better be < NR_IRQS - 16 */
 	if (vec == xics_irq_8259_cascade_real) {
 		irq = i8259_irq(regs);
-		if (irq == -1) {
-			/* Spurious cascaded interrupt.  Still must ack xics */
-			xics_end_irq(irq_offset_up(xics_irq_8259_cascade));
-
-			irq = -1;
-		}
+		xics_end_irq(irq_offset_up(xics_irq_8259_cascade));
 	} else if (vec == XICS_IRQ_SPURIOUS) {
 		irq = -1;
 	} else {
@@ -542,6 +532,7 @@ nextnode:
 		xics_irq_8259_cascade_real = *ireg;
 		xics_irq_8259_cascade
 			= virt_irq_create_mapping(xics_irq_8259_cascade_real);
+		i8259_init(0, 0);
 		of_node_put(np);
 	}
 
@@ -565,12 +556,7 @@ nextnode:
 #endif /* CONFIG_SMP */
 	}
 
-	xics_8259_pic.enable = i8259_pic.enable;
-	xics_8259_pic.disable = i8259_pic.disable;
-	xics_8259_pic.end = i8259_pic.end;
-	for (i = 0; i < 16; ++i)
-		get_irq_desc(i)->handler = &xics_8259_pic;
-	for (; i < NR_IRQS; ++i)
+	for (i = irq_offset_value(); i < NR_IRQS; ++i)
 		get_irq_desc(i)->handler = &xics_pic;
 
 	xics_setup_cpu();
@@ -590,7 +576,6 @@ static int __init xics_setup_i8259(void)
 				no_action, 0, "8259 cascade", NULL))
 			printk(KERN_ERR "xics_setup_i8259: couldn't get 8259 "
 					"cascade\n");
-		i8259_init(0, 0);
 	}
 	return 0;
 }

arch/ppc/Kconfig

@@ -767,14 +767,14 @@ config CPM2
 	  on it (826x, 827x, 8560).
 
 config PPC_CHRP
-	bool "  Common Hardware Reference Platform (CHRP) based machines"
+	bool
 	depends on PPC_MULTIPLATFORM
 	select PPC_I8259
 	select PPC_INDIRECT_PCI
 	default y
 
 config PPC_PMAC
-	bool "  Apple PowerMac based machines"
+	bool
 	depends on PPC_MULTIPLATFORM
 	select PPC_INDIRECT_PCI
 	default y
@@ -785,7 +785,7 @@ config PPC_PMAC64
 	default y
 
 config PPC_PREP
-	bool "  PowerPC Reference Platform (PReP) based machines"
+	bool
 	depends on PPC_MULTIPLATFORM
 	select PPC_I8259
 	select PPC_INDIRECT_PCI

arch/ppc/kernel/smp.c

@@ -301,6 +301,10 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
 
 	/* Probe platform for CPUs: always linear. */
 	num_cpus = smp_ops->probe();
+	
+	if (num_cpus < 2)
+		smp_tb_synchronized = 1;
+	
 	for (i = 0; i < num_cpus; ++i)
 		cpu_set(i, cpu_possible_map);
 

arch/ppc/platforms/85xx/mpc85xx_cds_common.c

@@ -130,10 +130,11 @@ mpc85xx_cds_show_cpuinfo(struct seq_file *m)
 }
 
 #ifdef CONFIG_CPM2
-static void cpm2_cascade(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t cpm2_cascade(int irq, void *dev_id, struct pt_regs *regs)
 {
 	while((irq = cpm2_get_irq(regs)) >= 0)
 		__do_IRQ(irq, regs);
+	return IRQ_HANDLED;
 }
 
 static struct irqaction cpm2_irqaction = {

arch/ppc/platforms/pmac_feature.c

@@ -1606,11 +1606,19 @@ void pmac_tweak_clock_spreading(int enable)
 	 */
 
 	if (macio->type == macio_intrepid) {
-		if (enable)
-			UN_OUT(UNI_N_CLOCK_SPREADING, 2);
-		else
-			UN_OUT(UNI_N_CLOCK_SPREADING, 0);
-		mdelay(40);
+		struct device_node *clock =
+			of_find_node_by_path("/uni-n@f8000000/hw-clock");
+		if (clock && get_property(clock, "platform-do-clockspreading",
+					  NULL)) {
+			printk(KERN_INFO "%sabling clock spreading on Intrepid"
+			       " ASIC\n", enable ? "En" : "Dis");
+			if (enable)
+				UN_OUT(UNI_N_CLOCK_SPREADING, 2);
+			else
+				UN_OUT(UNI_N_CLOCK_SPREADING, 0);
+			mdelay(40);
+		}
+		of_node_put(clock);
 	}
 
 	while (machine_is_compatible("PowerBook5,2") ||
@@ -1680,6 +1688,8 @@ void pmac_tweak_clock_spreading(int enable)
 			pmac_low_i2c_close(ui2c);
 			break;
 		}
+		printk(KERN_INFO "%sabling clock spreading on i2c clock chip\n",
+		       enable ? "En" : "Dis");
 		pmac_low_i2c_setmode(ui2c, pmac_low_i2c_mode_stdsub);
 		rc = pmac_low_i2c_xfer(ui2c, 0xd2 | pmac_low_i2c_write, 0x80, buffer, 9);
 		DBG("write result: %d,", rc);

arch/ppc/syslib/ppc4xx_dma.c

@@ -30,6 +30,7 @@
 
 #include <asm/system.h>
 #include <asm/io.h>
+#include <asm/dma.h>
 #include <asm/ppc4xx_dma.h>
 
 ppc_dma_ch_t dma_channels[MAX_PPC4xx_DMA_CHANNELS];

arch/sparc/Kconfig

@@ -55,6 +55,10 @@ config NR_CPUS
 	depends on SMP
 	default "32"
 
+config SPARC
+	bool
+	default y
+
 # Identify this as a Sparc32 build
 config SPARC32
 	bool

arch/sparc/Makefile

@@ -34,7 +34,7 @@ libs-y += arch/sparc/prom/ arch/sparc/lib/
 # Renaming is done to avoid confusing pattern matching rules in 2.5.45 (multy-)
 INIT_Y		:= $(patsubst %/, %/built-in.o, $(init-y))
 CORE_Y		:= $(core-y)
-CORE_Y		+= kernel/ mm/ fs/ ipc/ security/ crypto/
+CORE_Y		+= kernel/ mm/ fs/ ipc/ security/ crypto/ block/
 CORE_Y		:= $(patsubst %/, %/built-in.o, $(CORE_Y))
 DRIVERS_Y	:= $(patsubst %/, %/built-in.o, $(drivers-y))
 NET_Y		:= $(patsubst %/, %/built-in.o, $(net-y))

arch/sparc/kernel/ebus.c

@@ -22,7 +22,7 @@
 #include <asm/oplib.h>
 #include <asm/bpp.h>
 
-struct linux_ebus *ebus_chain = 0;
+struct linux_ebus *ebus_chain = NULL;
 
 /* We are together with pcic.c under CONFIG_PCI. */
 extern unsigned int pcic_pin_to_irq(unsigned int, char *name);
@@ -46,7 +46,7 @@ static struct ebus_device_irq je1_1[] = {
 	{ "SUNW,CS4231",	 0 },
 	{ "parallel",		 0 },
 	{ "se",			 2 },
-	{ 0, 0 }
+	{ NULL, 0 }
 };
 
 /*
@@ -55,7 +55,7 @@ static struct ebus_device_irq je1_1[] = {
  */
 static struct ebus_system_entry ebus_blacklist[] = {
 	{ "SUNW,JavaEngine1", je1_1 },
-	{ 0, 0 }
+	{ NULL, NULL }
 };
 
 static struct ebus_device_irq *ebus_blackp = NULL;
@@ -233,7 +233,7 @@ void __init fill_ebus_device(int node, struct linux_ebus_device *dev)
 			ebus_alloc(sizeof(struct linux_ebus_child));
 
 		child = dev->children;
-		child->next = 0;
+		child->next = NULL;
 		child->parent = dev;
 		child->bus = dev->bus;
 		fill_ebus_child(node, &regs[0], child);
@@ -243,7 +243,7 @@ void __init fill_ebus_device(int node, struct linux_ebus_device *dev)
 				ebus_alloc(sizeof(struct linux_ebus_child));
 
 			child = child->next;
-			child->next = 0;
+			child->next = NULL;
 			child->parent = dev;
 			child->bus = dev->bus;
 			fill_ebus_child(node, &regs[0], child);
@@ -275,7 +275,7 @@ void __init ebus_init(void)
 		}
 	}
 
-	pdev = pci_get_device(PCI_VENDOR_ID_SUN, PCI_DEVICE_ID_SUN_EBUS, 0);
+	pdev = pci_get_device(PCI_VENDOR_ID_SUN, PCI_DEVICE_ID_SUN_EBUS, NULL);
 	if (!pdev) {
 		return;
 	}
@@ -284,7 +284,7 @@ void __init ebus_init(void)
 
 	ebus_chain = ebus = (struct linux_ebus *)
 			ebus_alloc(sizeof(struct linux_ebus));
-	ebus->next = 0;
+	ebus->next = NULL;
 
 	while (ebusnd) {
 
@@ -325,8 +325,8 @@ void __init ebus_init(void)
 				ebus_alloc(sizeof(struct linux_ebus_device));
 
 		dev = ebus->devices;
-		dev->next = 0;
-		dev->children = 0;
+		dev->next = NULL;
+		dev->children = NULL;
 		dev->bus = ebus;
 		fill_ebus_device(nd, dev);
 
@@ -335,8 +335,8 @@ void __init ebus_init(void)
 				ebus_alloc(sizeof(struct linux_ebus_device));
 
 			dev = dev->next;
-			dev->next = 0;
-			dev->children = 0;
+			dev->next = NULL;
+			dev->children = NULL;
 			dev->bus = ebus;
 			fill_ebus_device(nd, dev);
 		}
@@ -353,7 +353,7 @@ void __init ebus_init(void)
 		ebus->next = (struct linux_ebus *)
 			ebus_alloc(sizeof(struct linux_ebus));
 		ebus = ebus->next;
-		ebus->next = 0;
+		ebus->next = NULL;
 		++num_ebus;
 	}
 	if (pdev)

arch/sparc/kernel/led.c

@@ -55,7 +55,7 @@ static int led_read_proc(char *buf, char **start, off_t offset, int count,
 	return len;
 }
 
-static int led_write_proc(struct file *file, const char *buffer,
+static int led_write_proc(struct file *file, const char __user *buffer,
 			  unsigned long count, void *data)
 {
 	char *buf = NULL;

arch/sparc/kernel/pcic.c

@@ -161,7 +161,7 @@ static struct pcic_sn2list pcic_known_sysnames[] = {
 static int pcic0_up;
 static struct linux_pcic pcic0;
 
-void * __iomem pcic_regs;
+void __iomem *pcic_regs;
 volatile int pcic_speculative;
 volatile int pcic_trapped;
 

arch/sparc/kernel/sys_sunos.c

@@ -894,7 +894,7 @@ asmlinkage long sunos_sysconf (int name)
 		ret = ARG_MAX;
 		break;
 	case _SC_CHILD_MAX:
-		ret = CHILD_MAX;
+		ret = -1; /* no limit */
 		break;
 	case _SC_CLK_TCK:
 		ret = HZ;

arch/sparc/kernel/time.c

@@ -49,7 +49,7 @@ DEFINE_SPINLOCK(rtc_lock);
 enum sparc_clock_type sp_clock_typ;
 DEFINE_SPINLOCK(mostek_lock);
 void __iomem *mstk48t02_regs = NULL;
-static struct mostek48t08 *mstk48t08_regs = NULL;
+static struct mostek48t08 __iomem *mstk48t08_regs = NULL;
 static int set_rtc_mmss(unsigned long);
 static int sbus_do_settimeofday(struct timespec *tv);
 
@@ -342,7 +342,7 @@ static __inline__ void clock_probe(void)
 		/* XXX r/o attribute is somewhere in r.flags */
 		r.flags = clk_reg[0].which_io;
 		r.start = clk_reg[0].phys_addr;
-		mstk48t08_regs = (struct mostek48t08 *) sbus_ioremap(&r, 0,
+		mstk48t08_regs = sbus_ioremap(&r, 0,
 		    sizeof(struct mostek48t08), "mk48t08");
 
 		mstk48t02_regs = &mstk48t08_regs->regs;

arch/sparc/kernel/vmlinux.lds.S

@@ -85,19 +85,9 @@ SECTIONS
   }
   _end = . ;
   PROVIDE (end = .);
-  /* Stabs debugging sections.  */
-  .stab 0 : { *(.stab) }
-  .stabstr 0 : { *(.stabstr) }
-  .stab.excl 0 : { *(.stab.excl) }
-  .stab.exclstr 0 : { *(.stab.exclstr) }
-  .stab.index 0 : { *(.stab.index) }
-  .stab.indexstr 0 : { *(.stab.indexstr) }
-  .comment 0 : { *(.comment) }
-  .debug          0 : { *(.debug) }
-  .debug_srcinfo  0 : { *(.debug_srcinfo) }
-  .debug_aranges  0 : { *(.debug_aranges) }
-  .debug_pubnames 0 : { *(.debug_pubnames) }
-  .debug_sfnames  0 : { *(.debug_sfnames) }
-  .line           0 : { *(.line) }
   /DISCARD/ : { *(.exit.text) *(.exit.data) *(.exitcall.exit) }
+
+  STABS_DEBUG
+
+  DWARF_DEBUG
 }

arch/sparc/lib/atomic32.c

@@ -66,7 +66,6 @@ int atomic_add_unless(atomic_t *v, int a, int u)
 	return ret != u;
 }
 
-static inline void atomic_clear_mask(unsigned long mask, unsigned long *addr)
 /* Atomic operations are already serializing */
 void atomic_set(atomic_t *v, int i)
 {

arch/sparc/mm/sun4c.c

@@ -497,7 +497,7 @@ static void __init sun4c_probe_mmu(void)
 	patch_kernel_fault_handler();
 }
 
-volatile unsigned long *sun4c_memerr_reg = NULL;
+volatile unsigned long __iomem *sun4c_memerr_reg = NULL;
 
 void __init sun4c_probe_memerr_reg(void)
 {

arch/sparc64/Kconfig

@@ -5,6 +5,10 @@
 
 mainmenu "Linux/UltraSPARC Kernel Configuration"
 
+config SPARC
+	bool
+	default y
+
 config SPARC64
 	bool
 	default y

arch/sparc64/Makefile

@@ -17,7 +17,6 @@ CC		:= $(shell if $(CC) -m64 -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then
 NEW_GCC := $(call cc-option-yn, -m64 -mcmodel=medlow)
 NEW_GAS := $(shell if $(LD) -V 2>&1 | grep 'elf64_sparc' > /dev/null; then echo y; else echo n; fi)
 UNDECLARED_REGS := $(shell if $(CC) -c -x assembler /dev/null -Wa,--help | grep undeclared-regs > /dev/null; then echo y; else echo n; fi; )
-INLINE_LIMIT := $(call cc-option-yn, -m64 -finline-limit=100000)
 
 export NEW_GCC
 
@@ -49,10 +48,6 @@ else
   AFLAGS += -m64 -mcpu=ultrasparc $(CC_UNDECL)
 endif
 
-ifeq ($(INLINE_LIMIT),y)
-  CFLAGS := $(CFLAGS) -finline-limit=100000
-endif
-
 ifeq ($(CONFIG_MCOUNT),y)
   CFLAGS := $(CFLAGS) -pg
 endif

arch/sparc64/kernel/kprobes.c

@@ -138,7 +138,7 @@ static int __kprobes kprobe_handler(struct pt_regs *regs)
 			 */
 			save_previous_kprobe(kcb);
 			set_current_kprobe(p, regs, kcb);
-			p->nmissed++;
+			kprobes_inc_nmissed_count(p);
 			kcb->kprobe_status = KPROBE_REENTER;
 			prepare_singlestep(p, regs, kcb);
 			return 1;

arch/sparc64/kernel/sys_sunos32.c

@@ -854,7 +854,7 @@ asmlinkage s32 sunos_sysconf (int name)
 		ret = ARG_MAX;
 		break;
 	case _SC_CHILD_MAX:
-		ret = CHILD_MAX;
+		ret = -1; /* no limit */
 		break;
 	case _SC_CLK_TCK:
 		ret = HZ;

arch/sparc64/kernel/vmlinux.lds.S

@@ -90,19 +90,9 @@ SECTIONS
   }
   _end = . ;
   PROVIDE (end = .);
-  /* Stabs debugging sections.  */
-  .stab 0 : { *(.stab) }
-  .stabstr 0 : { *(.stabstr) }
-  .stab.excl 0 : { *(.stab.excl) }
-  .stab.exclstr 0 : { *(.stab.exclstr) }
-  .stab.index 0 : { *(.stab.index) }
-  .stab.indexstr 0 : { *(.stab.indexstr) }
-  .comment 0 : { *(.comment) }
-  .debug          0 : { *(.debug) }
-  .debug_srcinfo  0 : { *(.debug_srcinfo) }
-  .debug_aranges  0 : { *(.debug_aranges) }
-  .debug_pubnames 0 : { *(.debug_pubnames) }
-  .debug_sfnames  0 : { *(.debug_sfnames) }
-  .line           0 : { *(.line) }
   /DISCARD/ : { *(.exit.text) *(.exit.data) *(.exitcall.exit) }
+
+  STABS_DEBUG
+
+  DWARF_DEBUG
 }

arch/sparc64/solaris/misc.c

@@ -353,7 +353,7 @@ asmlinkage int solaris_sysconf(int id)
 {
 	switch (id) {
 	case SOLARIS_CONFIG_NGROUPS:	return NGROUPS_MAX;
-	case SOLARIS_CONFIG_CHILD_MAX:	return CHILD_MAX;
+	case SOLARIS_CONFIG_CHILD_MAX:	return -1; /* no limit */
 	case SOLARIS_CONFIG_OPEN_FILES:	return OPEN_MAX;
 	case SOLARIS_CONFIG_POSIX_VER:	return 199309;
 	case SOLARIS_CONFIG_PAGESIZE:	return PAGE_SIZE;

arch/um/Kconfig

@@ -289,6 +289,8 @@ source "arch/um/Kconfig.net"
 
 source "drivers/net/Kconfig"
 
+source "drivers/connector/Kconfig"
+
 source "fs/Kconfig"
 
 source "security/Kconfig"

arch/um/Makefile-x86_64

@@ -12,3 +12,7 @@ CHECKFLAGS  += -m64
 
 ELF_ARCH := i386:x86-64
 ELF_FORMAT := elf64-x86-64
+
+# Not on all 64-bit distros /lib is a symlink to /lib64. PLD is an example.
+
+LINK-$(CONFIG_LD_SCRIPT_DYN) += -Wl,-rpath,/lib64

arch/um/include/sysdep-i386/stub.h

@@ -6,8 +6,12 @@
 #ifndef __SYSDEP_STUB_H
 #define __SYSDEP_STUB_H
 
+#include <sys/mman.h>
 #include <asm/ptrace.h>
 #include <asm/unistd.h>
+#include "stub-data.h"
+#include "kern_constants.h"
+#include "uml-config.h"
 
 extern void stub_segv_handler(int sig);
 extern void stub_clone_handler(void);
@@ -76,23 +80,22 @@ static inline long stub_syscall5(long syscall, long arg1, long arg2, long arg3,
 	return ret;
 }
 
-static inline long stub_syscall6(long syscall, long arg1, long arg2, long arg3,
-				 long arg4, long arg5, long arg6)
+static inline void trap_myself(void)
 {
-	long ret;
-
-	__asm__ volatile ("push %%ebp ; movl %%eax,%%ebp ; movl %1,%%eax ; "
-			"int $0x80 ; pop %%ebp"
-			: "=a" (ret)
-			: "g" (syscall), "b" (arg1), "c" (arg2), "d" (arg3),
-			  "S" (arg4), "D" (arg5), "0" (arg6));
-
-	return ret;
+	__asm("int3");
 }
 
-static inline void trap_myself(void)
+static inline void remap_stack(int fd, unsigned long offset)
 {
-	__asm("int3");
+	__asm__ volatile ("movl %%eax,%%ebp ; movl %0,%%eax ; int $0x80 ;"
+			  "movl %7, %%ebx ; movl %%eax, (%%ebx)"
+			  : : "g" (STUB_MMAP_NR), "b" (UML_CONFIG_STUB_DATA), 
+			    "c" (UM_KERN_PAGE_SIZE), 
+			    "d" (PROT_READ | PROT_WRITE),
+			    "S" (MAP_FIXED | MAP_SHARED), "D" (fd), 
+			    "a" (offset), 
+			    "i" (&((struct stub_data *) UML_CONFIG_STUB_DATA)->err) 
+			  : "memory");
 }
 
 #endif

arch/um/include/sysdep-x86_64/stub.h

@@ -6,8 +6,12 @@
 #ifndef __SYSDEP_STUB_H
 #define __SYSDEP_STUB_H
 
+#include <sys/mman.h>
 #include <asm/unistd.h>
 #include <sysdep/ptrace_user.h>
+#include "stub-data.h"
+#include "kern_constants.h"
+#include "uml-config.h"
 
 extern void stub_segv_handler(int sig);
 extern void stub_clone_handler(void);
@@ -81,23 +85,23 @@ static inline long stub_syscall5(long syscall, long arg1, long arg2, long arg3,
 	return ret;
 }
 
-static inline long stub_syscall6(long syscall, long arg1, long arg2, long arg3,
-				 long arg4, long arg5, long arg6)
+static inline void trap_myself(void)
 {
-	long ret;
-
-	__asm__ volatile ("movq %5,%%r10 ; movq %6,%%r8 ; "
-		"movq %7, %%r9; " __syscall : "=a" (ret)
-		: "0" (syscall), "D" (arg1), "S" (arg2), "d" (arg3),
-		  "g" (arg4), "g" (arg5), "g" (arg6)
-		: __syscall_clobber, "r10", "r8", "r9" );
-
-	return ret;
+	__asm("int3");
 }
 
-static inline void trap_myself(void)
+static inline void remap_stack(long fd, unsigned long offset)
 {
-	__asm("int3");
+	__asm__ volatile ("movq %4,%%r10 ; movq %5,%%r8 ; "
+			  "movq %6, %%r9; " __syscall "; movq %7, %%rbx ; "
+			  "movq %%rax, (%%rbx)": 
+			  : "a" (STUB_MMAP_NR), "D" (UML_CONFIG_STUB_DATA), 
+			    "S" (UM_KERN_PAGE_SIZE), 
+			    "d" (PROT_READ | PROT_WRITE), 
+                            "g" (MAP_FIXED | MAP_SHARED), "g" (fd), 
+			    "g" (offset),
+			    "i" (&((struct stub_data *) UML_CONFIG_STUB_DATA)->err)
+			  : __syscall_clobber, "r10", "r8", "r9" );
 }
 
 #endif

arch/um/include/um_uaccess.h

@@ -17,6 +17,8 @@
 #include "uaccess-skas.h"
 #endif
 
+#include "asm/fixmap.h"
+
 #define __under_task_size(addr, size) \
 	(((unsigned long) (addr) < TASK_SIZE) && \
          (((unsigned long) (addr) + (size)) < TASK_SIZE))

arch/um/kernel/skas/clone.c

@@ -18,11 +18,10 @@
  * on some systems.
  */
 
-#define STUB_DATA(field) (((struct stub_data *) UML_CONFIG_STUB_DATA)->field)
-
 void __attribute__ ((__section__ (".__syscall_stub")))
 stub_clone_handler(void)
 {
+	struct stub_data *data = (struct stub_data *) UML_CONFIG_STUB_DATA;
 	long err;
 
 	err = stub_syscall2(__NR_clone, CLONE_PARENT | CLONE_FILES | SIGCHLD,
@@ -35,17 +34,21 @@ stub_clone_handler(void)
 	if(err)
 		goto out;
 
-	err = stub_syscall3(__NR_setitimer, ITIMER_VIRTUAL,
-			    (long) &STUB_DATA(timer), 0);
+	err = stub_syscall3(__NR_setitimer, ITIMER_VIRTUAL, 
+			    (long) &data->timer, 0);
 	if(err)
 		goto out;
 
-	err = stub_syscall6(STUB_MMAP_NR, UML_CONFIG_STUB_DATA,
-			    UM_KERN_PAGE_SIZE, PROT_READ | PROT_WRITE,
-			    MAP_FIXED | MAP_SHARED, STUB_DATA(fd),
-			    STUB_DATA(offset));
+	remap_stack(data->fd, data->offset);
+	goto done;
+
  out:
-	/* save current result. Parent: pid; child: retcode of mmap */
-	STUB_DATA(err) = err;
+	/* save current result. 
+	 * Parent: pid; 
+	 * child: retcode of mmap already saved and it jumps around this 
+	 * assignment
+	 */
+	data->err = err;
+ done:
 	trap_myself();
 }

arch/um/kernel/skas/include/uaccess-skas.h

@@ -7,7 +7,6 @@
 #define __SKAS_UACCESS_H
 
 #include "asm/errno.h"
-#include "asm/fixmap.h"
 
 /* No SKAS-specific checking. */
 #define access_ok_skas(type, addr, size) 0

arch/um/os-Linux/start_up.c

@@ -116,16 +116,16 @@ static int stop_ptraced_child(int pid, void *stack, int exitcode,
 	if(!WIFEXITED(status) || (WEXITSTATUS(status) != exitcode)) {
 		int exit_with = WEXITSTATUS(status);
 		if (exit_with == 2)
-			printk("check_ptrace : child exited with status 2. "
+			printf("check_ptrace : child exited with status 2. "
 			       "Serious trouble happening! Try updating your "
 			       "host skas patch!\nDisabling SYSEMU support.");
-		printk("check_ptrace : child exited with exitcode %d, while "
+		printf("check_ptrace : child exited with exitcode %d, while "
 		      "expecting %d; status 0x%x", exit_with,
 		      exitcode, status);
 		if (mustpanic)
 			panic("\n");
 		else
-			printk("\n");
+			printf("\n");
 		ret = -1;
 	}
 
@@ -183,7 +183,7 @@ static void __init check_sysemu(void)
 	void *stack;
  	int pid, n, status, count=0;
 
-	printk("Checking syscall emulation patch for ptrace...");
+	printf("Checking syscall emulation patch for ptrace...");
 	sysemu_supported = 0;
 	pid = start_ptraced_child(&stack);
 
@@ -207,10 +207,10 @@ static void __init check_sysemu(void)
 		goto fail_stopped;
 
 	sysemu_supported = 1;
-	printk("OK\n");
+	printf("OK\n");
 	set_using_sysemu(!force_sysemu_disabled);
 
-	printk("Checking advanced syscall emulation patch for ptrace...");
+	printf("Checking advanced syscall emulation patch for ptrace...");
 	pid = start_ptraced_child(&stack);
 
 	if(ptrace(PTRACE_OLDSETOPTIONS, pid, 0,
@@ -246,7 +246,7 @@ static void __init check_sysemu(void)
 		goto fail_stopped;
 
 	sysemu_supported = 2;
-	printk("OK\n");
+	printf("OK\n");
 
 	if ( !force_sysemu_disabled )
 		set_using_sysemu(sysemu_supported);
@@ -255,7 +255,7 @@ static void __init check_sysemu(void)
 fail:
 	stop_ptraced_child(pid, stack, 1, 0);
 fail_stopped:
-	printk("missing\n");
+	printf("missing\n");
 }
 
 static void __init check_ptrace(void)
@@ -263,7 +263,7 @@ static void __init check_ptrace(void)
 	void *stack;
 	int pid, syscall, n, status;
 
-	printk("Checking that ptrace can change system call numbers...");
+	printf("Checking that ptrace can change system call numbers...");
 	pid = start_ptraced_child(&stack);
 
 	if(ptrace(PTRACE_OLDSETOPTIONS, pid, 0, (void *)PTRACE_O_TRACESYSGOOD) < 0)
@@ -292,7 +292,7 @@ static void __init check_ptrace(void)
 		}
 	}
 	stop_ptraced_child(pid, stack, 0, 1);
-	printk("OK\n");
+	printf("OK\n");
 	check_sysemu();
 }
 
@@ -472,6 +472,8 @@ int can_do_skas(void)
 
 int have_devanon = 0;
 
+/* Runs on boot kernel stack - already safe to use printk. */
+
 void check_devanon(void)
 {
 	int fd;

arch/um/os-Linux/user_syms.c

@@ -34,6 +34,11 @@ EXPORT_SYMBOL(strstr);
        int sym(void);                  \
        EXPORT_SYMBOL(sym);
 
+extern void readdir64(void) __attribute__((weak));
+EXPORT_SYMBOL(readdir64);
+extern void truncate64(void) __attribute__((weak));
+EXPORT_SYMBOL(truncate64);
+
 #ifdef SUBARCH_i386
 EXPORT_SYMBOL(vsyscall_ehdr);
 EXPORT_SYMBOL(vsyscall_end);

arch/um/scripts/Makefile.rules

@@ -21,11 +21,6 @@ define unprofile
 endef
 
 
-# The stubs and unmap.o can't try to call mcount or update basic block data
-define unprofile
-	$(patsubst -pg,,$(patsubst -fprofile-arcs -ftest-coverage,,$(1)))
-endef
-
 # cmd_make_link checks to see if the $(foo-dir) variable starts with a /.  If
 # so, it's considered to be a path relative to $(srcdir) rather than
 # $(srcdir)/arch/$(SUBARCH).  This is because x86_64 wants to get ldt.c from

arch/um/sys-i386/Makefile

@@ -1,6 +1,8 @@
-obj-y = bitops.o bugs.o checksum.o delay.o fault.o ksyms.o ldt.o ptrace.o \
-	ptrace_user.o semaphore.o signal.o sigcontext.o stub.o stub_segv.o \
-	syscalls.o sysrq.o sys_call_table.o
+obj-y := bitops.o bugs.o checksum.o delay.o fault.o ksyms.o ldt.o ptrace.o \
+	ptrace_user.o semaphore.o signal.o sigcontext.o syscalls.o sysrq.o \
+	sys_call_table.o
+
+obj-$(CONFIG_MODE_SKAS) += stub.o stub_segv.o
 
 obj-$(CONFIG_HIGHMEM) += highmem.o
 obj-$(CONFIG_MODULES) += module.o

arch/um/sys-x86_64/Makefile

@@ -6,8 +6,9 @@
 
 #XXX: why into lib-y?
 lib-y = bitops.o bugs.o csum-partial.o delay.o fault.o ldt.o mem.o memcpy.o \
-	ptrace.o ptrace_user.o sigcontext.o signal.o stub.o \
-	stub_segv.o syscalls.o syscall_table.o sysrq.o thunk.o
+	ptrace.o ptrace_user.o sigcontext.o signal.o syscalls.o \
+	syscall_table.o sysrq.o thunk.o
+lib-$(CONFIG_MODE_SKAS) += stub.o stub_segv.o
 
 obj-y := ksyms.o
 obj-$(CONFIG_MODULES) += module.o um_module.o

arch/x86_64/ia32/ia32_binfmt.c

@@ -217,8 +217,7 @@ elf_core_copy_task_fpregs(struct task_struct *tsk, struct pt_regs *regs, elf_fpr
 	if (!tsk_used_math(tsk))
 		return 0;
 	if (!regs)
-		regs = (struct pt_regs *)tsk->thread.rsp0;
-	--regs;
+		regs = ((struct pt_regs *)tsk->thread.rsp0) - 1;
 	if (tsk == current)
 		unlazy_fpu(tsk);
 	set_fs(KERNEL_DS); 

arch/x86_64/kernel/kprobes.c

@@ -329,7 +329,7 @@ int __kprobes kprobe_handler(struct pt_regs *regs)
 				 */
 				save_previous_kprobe(kcb);
 				set_current_kprobe(p, regs, kcb);
-				p->nmissed++;
+				kprobes_inc_nmissed_count(p);
 				prepare_singlestep(p, regs);
 				kcb->kprobe_status = KPROBE_REENTER;
 				return 1;

arch/x86_64/kernel/smpboot.c

@@ -1181,7 +1181,7 @@ int __cpu_disable(void)
 	if (cpu == 0)
 		return -EBUSY;
 
-	disable_APIC_timer();
+	clear_local_APIC();
 
 	/*
 	 * HACK:

arch/x86_64/kernel/time.c

@@ -59,7 +59,7 @@ static int notsc __initdata = 0;
 unsigned int cpu_khz;					/* TSC clocks / usec, not used here */
 static unsigned long hpet_period;			/* fsecs / HPET clock */
 unsigned long hpet_tick;				/* HPET clocks / interrupt */
-static int hpet_use_timer;
+static int hpet_use_timer;				/* Use counter of hpet for time keeping, otherwise PIT */
 unsigned long vxtime_hz = PIT_TICK_RATE;
 int report_lost_ticks;				/* command line option */
 unsigned long long monotonic_base;
@@ -908,12 +908,14 @@ void __init time_init(void)
 	if (!hpet_init())
                 vxtime_hz = (1000000000000000L + hpet_period / 2) /
 			hpet_period;
+	else
+		vxtime.hpet_address = 0;
 
 	if (hpet_use_timer) {
 		cpu_khz = hpet_calibrate_tsc();
 		timename = "HPET";
 #ifdef CONFIG_X86_PM_TIMER
-	} else if (pmtmr_ioport) {
+	} else if (pmtmr_ioport && !vxtime.hpet_address) {
 		vxtime_hz = PM_TIMER_FREQUENCY;
 		timename = "PM";
 		pit_init();