Merge branch 'linux-2.6' into merge

Documentation/cciss.txt

@@ -21,6 +21,11 @@ This driver is known to work with the following cards:
 	* SA E200
 	* SA E200i
 	* SA E500
+	* SA P212
+	* SA P410
+	* SA P410i
+	* SA P411
+	* SA P812
 
 Detecting drive failures:
 -------------------------

Documentation/filesystems/sysfs-pci.txt

@@ -36,6 +36,7 @@ files, each with their own function.
        local_cpus	   nearby CPU mask (cpumask, ro)
        resource		   PCI resource host addresses (ascii, ro)
        resource0..N	   PCI resource N, if present (binary, mmap)
+       resource0_wc..N_wc  PCI WC map resource N, if prefetchable (binary, mmap)
        rom		   PCI ROM resource, if present (binary, ro)
        subsystem_device	   PCI subsystem device (ascii, ro)
        subsystem_vendor	   PCI subsystem vendor (ascii, ro)

Documentation/kobject.txt

@@ -305,7 +305,7 @@ should not be manipulated by any other user.
 
 A kset keeps its children in a standard kernel linked list.  Kobjects point
 back to their containing kset via their kset field. In almost all cases,
-the kobjects belonging to a ket have that kset (or, strictly, its embedded
+the kobjects belonging to a kset have that kset (or, strictly, its embedded
 kobject) in their parent.
 
 As a kset contains a kobject within it, it should always be dynamically

Documentation/laptops/thinkpad-acpi.txt

@@ -503,7 +503,7 @@ generate input device EV_KEY events.
 In addition to the EV_KEY events, thinkpad-acpi may also issue EV_SW
 events for switches:
 
-SW_RADIO	T60 and later hardare rfkill rocker switch
+SW_RFKILL_ALL	T60 and later hardare rfkill rocker switch
 SW_TABLET_MODE	Tablet ThinkPads HKEY events 0x5009 and 0x500A
 
 Non hot-key ACPI HKEY event map:

MAINTAINERS

@@ -228,21 +228,21 @@ ACPI BATTERY DRIVERS
 P:	Alexey Starikovskiy
 M:	astarikovskiy@suse.de
 L:	linux-acpi@vger.kernel.org
-W:	http://acpi.sourceforge.net/
+W:	http://www.lesswatts.org/projects/acpi/
 S:	Supported
 
 ACPI EC DRIVER
 P:	Alexey Starikovskiy
 M:	astarikovskiy@suse.de
 L:	linux-acpi@vger.kernel.org
-W:	http://acpi.sourceforge.net/
+W:	http://www.lesswatts.org/projects/acpi/
 S:	Supported
 
 ACPI FAN DRIVER
 P:	Len Brown
 M:	len.brown@intel.com
 L:	linux-acpi@vger.kernel.org
-W:	http://acpi.sourceforge.net/
+W:	http://www.lesswatts.org/projects/acpi/
 S:	Supported
 
 ACPI PCI HOTPLUG DRIVER
@@ -255,14 +255,14 @@ ACPI THERMAL DRIVER
 P:	Len Brown
 M:	len.brown@intel.com
 L:	linux-acpi@vger.kernel.org
-W:	http://acpi.sourceforge.net/
+W:	http://www.lesswatts.org/projects/acpi/
 S:	Supported
 
 ACPI VIDEO DRIVER
 P:	Rui Zhang
 M:	rui.zhang@intel.com
 L:	linux-acpi@vger.kernel.org
-W:	http://acpi.sourceforge.net/
+W:	http://www.lesswatts.org/projects/acpi/
 S:	Supported
 
 ACPI WMI DRIVER
@@ -274,7 +274,7 @@ S:      Maintained
 
 AD1889 ALSA SOUND DRIVER
 P:     Kyle McMartin
-M:     kyle@parisc-linux.org
+M:     kyle@mcmartin.ca
 P:     Thibaut Varene
 M:     T-Bone@parisc-linux.org
 W:     http://wiki.parisc-linux.org/AD1889
@@ -995,8 +995,8 @@ L:	netdev@vger.kernel.org
 S:	Supported
 
 BROADCOM BNX2X 10 GIGABIT ETHERNET DRIVER
-P:	Eliezer Tamir
-M:	eliezert@broadcom.com
+P:	Eilon Greenstein
+M:	eilong@broadcom.com
 L:	netdev@vger.kernel.org
 S:	Supported
 
@@ -1202,6 +1202,7 @@ M:	pj@sgi.com
 M:	menage@google.com
 L:	linux-kernel@vger.kernel.org
 W:	http://www.bullopensource.org/cpuset/
+W:	http://oss.sgi.com/projects/cpusets/
 S:	Supported
 
 CRAMFS FILESYSTEM
@@ -1827,7 +1828,7 @@ S:	Maintained
 
 HARMONY SOUND DRIVER
 P:	Kyle McMartin
-M:	kyle@parisc-linux.org
+M:	kyle@mcmartin.ca
 L:	linux-parisc@vger.kernel.org
 S:	Maintained
 
@@ -3120,7 +3121,7 @@ S:	Maintained
 
 PARISC ARCHITECTURE
 P:	Kyle McMartin
-M:	kyle@parisc-linux.org
+M:	kyle@mcmartin.ca
 P:	Matthew Wilcox
 M:	matthew@wil.cx
 P:	Grant Grundler
@@ -3329,9 +3330,11 @@ L:	video4linux-list@redhat.com
 W:	http://www.isely.net/pvrusb2/
 S:	Maintained
 
-PXA2xx SUPPORT
-P:	Nicolas Pitre
-M:	nico@cam.org
+PXA2xx/PXA3xx SUPPORT
+P:	Eric Miao
+M:	eric.miao@marvell.com
+P:	Russell King
+M:	linux@arm.linux.org.uk
 L:	linux-arm-kernel@lists.arm.linux.org.uk	(subscribers-only)
 S:	Maintained
 
@@ -4023,7 +4026,7 @@ TULIP NETWORK DRIVERS
 P:	Grant Grundler
 M:	grundler@parisc-linux.org
 P:	Kyle McMartin
-M:	kyle@parisc-linux.org
+M:	kyle@mcmartin.ca
 L:	netdev@vger.kernel.org
 S:	Maintained
 

Makefile

@@ -1,8 +1,8 @@
 VERSION = 2
 PATCHLEVEL = 6
 SUBLEVEL = 26
-EXTRAVERSION = -rc5
-NAME = Funky Weasel is Jiggy wit it
+EXTRAVERSION = -rc6
+NAME = Rotary Wombat
 
 # *DOCUMENTATION*
 # To see a list of typical targets execute "make help"

arch/arm/mach-pxa/ssp.c

@@ -330,7 +330,7 @@ struct ssp_device *ssp_request(int port, const char *label)
 
 	mutex_unlock(&ssp_lock);
 
-	if (ssp->port_id != port)
+	if (&ssp->node == &ssp_list)
 		return NULL;
 
 	return ssp;

arch/ia64/kernel/acpi.c

@@ -465,7 +465,6 @@ void __init acpi_numa_slit_init(struct acpi_table_slit *slit)
 		printk(KERN_ERR
 		       "ACPI 2.0 SLIT: size mismatch: %d expected, %d actual\n",
 		       len, slit->header.length);
-		memset(numa_slit, 10, sizeof(numa_slit));
 		return;
 	}
 	slit_table = slit;
@@ -574,8 +573,14 @@ void __init acpi_numa_arch_fixup(void)
 	printk(KERN_INFO "Number of memory chunks in system = %d\n",
 	       num_node_memblks);
 
-	if (!slit_table)
+	if (!slit_table) {
+		for (i = 0; i < MAX_NUMNODES; i++)
+			for (j = 0; j < MAX_NUMNODES; j++)
+				node_distance(i, j) = i == j ? LOCAL_DISTANCE :
+							REMOTE_DISTANCE;
 		return;
+	}
+
 	memset(numa_slit, -1, sizeof(numa_slit));
 	for (i = 0; i < slit_table->locality_count; i++) {
 		if (!pxm_bit_test(i))

arch/ia64/kvm/mmio.c

@@ -159,7 +159,8 @@ static void mmio_access(struct kvm_vcpu *vcpu, u64 src_pa, u64 *dest,
 
 	if (p->u.ioreq.state == STATE_IORESP_READY) {
 		if (dir == IOREQ_READ)
-			*dest = p->u.ioreq.data;
+			/* it's necessary to ensure zero extending */
+			*dest = p->u.ioreq.data & (~0UL >> (64-(s*8)));
 	} else
 		panic_vm(vcpu);
 out:

arch/m68knommu/platform/coldfire/timers.c

@@ -111,7 +111,13 @@ void hw_timer_init(void)
 
 	__raw_writew(MCFTIMER_TMR_DISABLE, TA(MCFTIMER_TMR));
 	mcftmr_cycles_per_jiffy = FREQ / HZ;
-	__raw_writetrr(mcftmr_cycles_per_jiffy, TA(MCFTIMER_TRR));
+	/*
+	 *	The coldfire timer runs from 0 to TRR included, then 0
+	 *	again and so on.  It counts thus actually TRR + 1 steps
+	 *	for 1 tick, not TRR.  So if you want n cycles,
+	 *	initialize TRR with n - 1.
+	 */
+	__raw_writetrr(mcftmr_cycles_per_jiffy - 1, TA(MCFTIMER_TRR));
 	__raw_writew(MCFTIMER_TMR_ENORI | MCFTIMER_TMR_CLK16 |
 		MCFTIMER_TMR_RESTART | MCFTIMER_TMR_ENABLE, TA(MCFTIMER_TMR));
 

arch/parisc/hpux/gate.S

@@ -13,10 +13,9 @@
 #include <asm/unistd.h>
 #include <asm/errno.h>
 #include <linux/linkage.h>
-#include <linux/init.h>
 
 	.level	LEVEL
-	__HEAD
+	.text
 
 	.import hpux_call_table
 	.import hpux_syscall_exit,code

arch/parisc/hpux/wrappers.S

@@ -28,10 +28,9 @@
 #include <asm/assembly.h>
 #include <asm/signal.h>
 #include <linux/linkage.h>
-#include <linux/init.h>
 
 	.level	LEVEL
-	__HEAD
+	.text
 
 	/* These should probably go in a header file somewhere.
 	 * They are duplicated in kernel/wrappers.S

arch/parisc/kernel/entry.S

@@ -38,7 +38,6 @@
 #include <asm/thread_info.h>
 
 #include <linux/linkage.h>
-#include <linux/init.h>
 
 #ifdef CONFIG_64BIT
 	.level 2.0w
@@ -622,7 +621,7 @@
 	 * the static part of the kernel address space.
 	 */
 
-	__HEAD
+	.text
 
 	.align	PAGE_SIZE
 

arch/parisc/kernel/head.S

@@ -33,6 +33,7 @@ ENTRY(boot_args)
 END(boot_args)
 
 	__HEAD
+
 	.align	4
 	.import init_thread_union,data
 	.import fault_vector_20,code    /* IVA parisc 2.0 32 bit */

arch/parisc/kernel/hpmc.S

@@ -47,7 +47,6 @@
 #include <asm/pdc.h>
 
 #include <linux/linkage.h>
-#include <linux/init.h>
 
 	/*
 	 * stack for os_hpmc, the HPMC handler.
@@ -77,7 +76,7 @@ ENTRY(hpmc_pim_data)
 	.block HPMC_PIM_DATA_SIZE
 END(hpmc_pim_data)
 
-	__HEAD
+	.text
 
 	.import intr_save, code
 ENTRY(os_hpmc)

arch/parisc/kernel/pacache.S

@@ -37,9 +37,8 @@
 #include <asm/pgtable.h>
 #include <asm/cache.h>
 #include <linux/linkage.h>
-#include <linux/init.h>
 
-	__HEAD
+	.text
 	.align	128
 
 ENTRY(flush_tlb_all_local)

arch/parisc/kernel/parisc_ksyms.c

@@ -152,3 +152,6 @@ EXPORT_SYMBOL($$dyncall);
 EXPORT_SYMBOL(node_data);
 EXPORT_SYMBOL(pfnnid_map);
 #endif
+
+/* from pacache.S -- needed for copy_page */
+EXPORT_SYMBOL(copy_user_page_asm);

arch/parisc/kernel/perf_asm.S

@@ -43,7 +43,7 @@
 ; The coprocessor only needs to be enabled when
 ; starting/stopping the coprocessor with the pmenb/pmdis.
 ;
-	__HEAD
+	.text
 
 ENTRY(perf_intrigue_enable_perf_counters)
 	.proc

arch/parisc/kernel/real2.S

@@ -12,7 +12,6 @@
 #include <asm/assembly.h>
 
 #include <linux/linkage.h>
-#include <linux/init.h>
 
 	.section	.bss
 	.export real_stack
@@ -40,7 +39,7 @@ save_cr_end:
 /************************ 32-bit real-mode calls ***********************/
 /* This can be called in both narrow and wide kernels */
 
-	__HEAD
+	.text
 
 	/* unsigned long real32_call_asm(unsigned int *sp,
 	 *		unsigned int *arg0p,
@@ -114,7 +113,7 @@ ENDPROC(real32_call_asm)
 #  define PUSH_CR(r, where) mfctl r, %r1 ! STREG,ma %r1, REG_SZ(where)
 #  define POP_CR(r, where) LDREG,mb -REG_SZ(where), %r1 ! mtctl %r1, r
 
-	__HEAD
+	.text
 save_control_regs:
 	load32	PA(save_cr_space), %r28
 	PUSH_CR(%cr24, %r28)
@@ -146,7 +145,7 @@ restore_control_regs:
 /* rfi_virt2real() and rfi_real2virt() could perhaps be adapted for
  * more general-purpose use by the several places which need RFIs
  */
-	__HEAD
+	.text
 	.align 128
 rfi_virt2real:
 	/* switch to real mode... */
@@ -181,7 +180,7 @@ rfi_v2r_1:
 	bv	0(%r2)
 	nop
 
-	__HEAD
+	.text
 	.align 128
 rfi_real2virt:
 	rsm		PSW_SM_I,%r0
@@ -219,7 +218,7 @@ rfi_r2v_1:
 
 /************************ 64-bit real-mode calls ***********************/
 /* This is only usable in wide kernels right now and will probably stay so */
-	__HEAD
+	.text
 	/* unsigned long real64_call_asm(unsigned long *sp,
 	 *		unsigned long *arg0p,
 	 *		unsigned long fn)
@@ -277,7 +276,7 @@ ENDPROC(real64_call_asm)
 
 #endif
 
-	__HEAD
+	.text
 	/* http://lists.parisc-linux.org/hypermail/parisc-linux/10916.html
 	**	GCC 3.3 and later has a new function in libgcc.a for
 	**	comparing function pointers.

arch/parisc/kernel/signal32.c

@@ -289,7 +289,7 @@ setup_sigcontext32(struct compat_sigcontext __user *sc, struct compat_regfile __
 				&sc->sc_iaoq[0], compat_reg);
 		
 		/* Store upper half */
-		compat_reg = (compat_uint_t)(regs->gr[32] >> 32);
+		compat_reg = (compat_uint_t)(regs->gr[31] >> 32);
 		err |= __put_user(compat_reg, &rf->rf_iaoq[0]);
 		DBG(2,"setup_sigcontext32: upper half iaoq[0] = %#x\n", compat_reg);
 		
@@ -299,7 +299,7 @@ setup_sigcontext32(struct compat_sigcontext __user *sc, struct compat_regfile __
 		DBG(2,"setup_sigcontext32: sc->sc_iaoq[1] = %p <= %#x\n",
 				&sc->sc_iaoq[1], compat_reg);
 		/* Store upper half */
-		compat_reg = (compat_uint_t)((regs->gr[32]+4) >> 32);
+		compat_reg = (compat_uint_t)((regs->gr[31]+4) >> 32);
 		err |= __put_user(compat_reg, &rf->rf_iaoq[1]);
 		DBG(2,"setup_sigcontext32: upper half iaoq[1] = %#x\n", compat_reg);
 		

arch/parisc/kernel/syscall.S

@@ -17,7 +17,6 @@
 #include <asm/processor.h>
 
 #include <linux/linkage.h>
-#include <linux/init.h>
 
 	/* We fill the empty parts of the gateway page with
  	 * something that will kill the kernel or a
@@ -27,7 +26,7 @@
 
 	.level          LEVEL
 
-	__HEAD
+	.text
 
 	.import syscall_exit,code
 	.import syscall_exit_rfi,code
@@ -637,7 +636,7 @@ END(sys_call_table64)
 		All light-weight-syscall atomic operations 
 		will use this set of locks 
 	*/
-	.section .data, "aw"
+	.section .data
 	.align	PAGE_SIZE
 ENTRY(lws_lock_start)
 	/* lws locks */

arch/parisc/kernel/vmlinux.lds.S

@@ -50,6 +50,7 @@ SECTIONS
 
 	_text = .;		/* Text and read-only data */
 	.text ALIGN(16) : {
+		HEAD_TEXT
 		TEXT_TEXT
 		SCHED_TEXT
 		LOCK_TEXT

arch/parisc/lib/fixup.S

@@ -23,7 +23,6 @@
 #include <asm/assembly.h>
 #include <asm/errno.h>
 #include <linux/linkage.h>
-#include <linux/init.h>
 
 #ifdef CONFIG_SMP
 	.macro  get_fault_ip t1 t2
@@ -56,7 +55,7 @@
 
 	.level LEVEL
 
-	__HEAD
+	.text
 	.section .fixup, "ax"
 
 	/* get_user() fixups, store -EFAULT in r8, and 0 in r9 */

arch/parisc/lib/lusercopy.S

@@ -33,12 +33,11 @@
  */
 
 
+	.text
+	
 #include <asm/assembly.h>
 #include <asm/errno.h>
 #include <linux/linkage.h>
-#include <linux/init.h>
-
-	__HEAD
 
 	/*
 	 * get_sr gets the appropriate space value into

arch/parisc/mm/init.c

@@ -547,6 +547,7 @@ void __init mem_init(void)
 }
 
 unsigned long *empty_zero_page __read_mostly;
+EXPORT_SYMBOL(empty_zero_page);
 
 void show_mem(void)
 {

arch/powerpc/kvm/44x_tlb.c

@@ -116,8 +116,6 @@ static void kvmppc_44x_shadow_release(struct kvm_vcpu *vcpu,
 	struct tlbe *stlbe = &vcpu->arch.shadow_tlb[index];
 	struct page *page = vcpu->arch.shadow_pages[index];
 
-	kunmap(vcpu->arch.shadow_pages[index]);
-
 	if (get_tlb_v(stlbe)) {
 		if (kvmppc_44x_tlbe_is_writable(stlbe))
 			kvm_release_page_dirty(page);
@@ -144,18 +142,19 @@ void kvmppc_mmu_map(struct kvm_vcpu *vcpu, u64 gvaddr, gfn_t gfn, u64 asid,
 	stlbe = &vcpu->arch.shadow_tlb[victim];
 
 	/* Get reference to new page. */
-	down_write(&current->mm->mmap_sem);
+	down_read(&current->mm->mmap_sem);
 	new_page = gfn_to_page(vcpu->kvm, gfn);
 	if (is_error_page(new_page)) {
-		printk(KERN_ERR "Couldn't get guest page!\n");
+		printk(KERN_ERR "Couldn't get guest page for gfn %lx!\n", gfn);
 		kvm_release_page_clean(new_page);
+		up_read(&current->mm->mmap_sem);
 		return;
 	}
 	hpaddr = page_to_phys(new_page);
 
 	/* Drop reference to old page. */
 	kvmppc_44x_shadow_release(vcpu, victim);
-	up_write(&current->mm->mmap_sem);
+	up_read(&current->mm->mmap_sem);
 
 	vcpu->arch.shadow_pages[victim] = new_page;
 

arch/powerpc/kvm/booke_guest.c

@@ -227,39 +227,6 @@ void kvmppc_check_and_deliver_interrupts(struct kvm_vcpu *vcpu)
 	}
 }
 
-static int kvmppc_emulate_mmio(struct kvm_run *run, struct kvm_vcpu *vcpu)
-{
-	enum emulation_result er;
-	int r;
-
-	er = kvmppc_emulate_instruction(run, vcpu);
-	switch (er) {
-	case EMULATE_DONE:
-		/* Future optimization: only reload non-volatiles if they were
-		 * actually modified. */
-		r = RESUME_GUEST_NV;
-		break;
-	case EMULATE_DO_MMIO:
-		run->exit_reason = KVM_EXIT_MMIO;
-		/* We must reload nonvolatiles because "update" load/store
-		 * instructions modify register state. */
-		/* Future optimization: only reload non-volatiles if they were
-		 * actually modified. */
-		r = RESUME_HOST_NV;
-		break;
-	case EMULATE_FAIL:
-		/* XXX Deliver Program interrupt to guest. */
-		printk(KERN_EMERG "%s: emulation failed (%08x)\n", __func__,
-		       vcpu->arch.last_inst);
-		r = RESUME_HOST;
-		break;
-	default:
-		BUG();
-	}
-
-	return r;
-}
-
 /**
  * kvmppc_handle_exit
  *

arch/powerpc/kvm/emulate.c

@@ -246,6 +246,11 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
 	case 31:
 		switch (get_xop(inst)) {
 
+		case 23:                                        /* lwzx */
+			rt = get_rt(inst);
+			emulated = kvmppc_handle_load(run, vcpu, rt, 4, 1);
+			break;
+
 		case 83:                                        /* mfmsr */
 			rt = get_rt(inst);
 			vcpu->arch.gpr[rt] = vcpu->arch.msr;
@@ -267,6 +272,13 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
 			kvmppc_set_msr(vcpu, vcpu->arch.gpr[rs]);
 			break;
 
+		case 151:                                       /* stwx */
+			rs = get_rs(inst);
+			emulated = kvmppc_handle_store(run, vcpu,
+			                               vcpu->arch.gpr[rs],
+			                               4, 1);
+			break;
+
 		case 163:                                       /* wrteei */
 			vcpu->arch.msr = (vcpu->arch.msr & ~MSR_EE)
 			                 | (inst & MSR_EE);

arch/s390/kvm/diag.c

@@ -20,7 +20,7 @@ static int __diag_time_slice_end(struct kvm_vcpu *vcpu)
 	VCPU_EVENT(vcpu, 5, "%s", "diag time slice end");
 	vcpu->stat.diagnose_44++;
 	vcpu_put(vcpu);
-	schedule();
+	yield();
 	vcpu_load(vcpu);
 	return 0;
 }

arch/s390/kvm/interrupt.c

@@ -339,6 +339,11 @@ int kvm_s390_handle_wait(struct kvm_vcpu *vcpu)
 	if (kvm_cpu_has_interrupt(vcpu))
 		return 0;
 
+	__set_cpu_idle(vcpu);
+	spin_lock_bh(&vcpu->arch.local_int.lock);
+	vcpu->arch.local_int.timer_due = 0;
+	spin_unlock_bh(&vcpu->arch.local_int.lock);
+
 	if (psw_interrupts_disabled(vcpu)) {
 		VCPU_EVENT(vcpu, 3, "%s", "disabled wait");
 		__unset_cpu_idle(vcpu);
@@ -366,8 +371,6 @@ int kvm_s390_handle_wait(struct kvm_vcpu *vcpu)
 no_timer:
 	spin_lock_bh(&vcpu->arch.local_int.float_int->lock);
 	spin_lock_bh(&vcpu->arch.local_int.lock);
-	__set_cpu_idle(vcpu);
-	vcpu->arch.local_int.timer_due = 0;
 	add_wait_queue(&vcpu->arch.local_int.wq, &wait);
 	while (list_empty(&vcpu->arch.local_int.list) &&
 		list_empty(&vcpu->arch.local_int.float_int->list) &&

arch/s390/kvm/kvm-s390.c

@@ -423,6 +423,8 @@ int kvm_arch_vcpu_ioctl_set_mpstate(struct kvm_vcpu *vcpu,
 	return -EINVAL; /* not implemented yet */
 }
 
+extern void s390_handle_mcck(void);
+
 static void __vcpu_run(struct kvm_vcpu *vcpu)
 {
 	memcpy(&vcpu->arch.sie_block->gg14, &vcpu->arch.guest_gprs[14], 16);
@@ -430,13 +432,21 @@ static void __vcpu_run(struct kvm_vcpu *vcpu)
 	if (need_resched())
 		schedule();
 
+	if (test_thread_flag(TIF_MCCK_PENDING))
+		s390_handle_mcck();
+
+	kvm_s390_deliver_pending_interrupts(vcpu);
+
 	vcpu->arch.sie_block->icptcode = 0;
 	local_irq_disable();
 	kvm_guest_enter();
 	local_irq_enable();
 	VCPU_EVENT(vcpu, 6, "entering sie flags %x",
 		   atomic_read(&vcpu->arch.sie_block->cpuflags));
-	sie64a(vcpu->arch.sie_block, vcpu->arch.guest_gprs);
+	if (sie64a(vcpu->arch.sie_block, vcpu->arch.guest_gprs)) {
+		VCPU_EVENT(vcpu, 3, "%s", "fault in sie instruction");
+		kvm_s390_inject_program_int(vcpu, PGM_ADDRESSING);
+	}
 	VCPU_EVENT(vcpu, 6, "exit sie icptcode %d",
 		   vcpu->arch.sie_block->icptcode);
 	local_irq_disable();
@@ -475,7 +485,6 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
 	might_sleep();
 
 	do {
-		kvm_s390_deliver_pending_interrupts(vcpu);
 		__vcpu_run(vcpu);
 		rc = kvm_handle_sie_intercept(vcpu);
 	} while (!signal_pending(current) && !rc);

arch/s390/mm/pgtable.c

@@ -254,36 +254,46 @@ void disable_noexec(struct mm_struct *mm, struct task_struct *tsk)
 int s390_enable_sie(void)
 {
 	struct task_struct *tsk = current;
-	struct mm_struct *mm;
-	int rc;
+	struct mm_struct *mm, *old_mm;
 
-	task_lock(tsk);
-
-	rc = 0;
+	/* Do we have pgstes? if yes, we are done */
 	if (tsk->mm->context.pgstes)
-		goto unlock;
+		return 0;
 
-	rc = -EINVAL;
+	/* lets check if we are allowed to replace the mm */
+	task_lock(tsk);
 	if (!tsk->mm || atomic_read(&tsk->mm->mm_users) > 1 ||
-	    tsk->mm != tsk->active_mm || tsk->mm->ioctx_list)
-		goto unlock;
+	    tsk->mm != tsk->active_mm || tsk->mm->ioctx_list) {
+		task_unlock(tsk);
+		return -EINVAL;
+	}
+	task_unlock(tsk);
 
-	tsk->mm->context.pgstes = 1;	/* dirty little tricks .. */
+	/* we copy the mm with pgstes enabled */
+	tsk->mm->context.pgstes = 1;
 	mm = dup_mm(tsk);
 	tsk->mm->context.pgstes = 0;
-
-	rc = -ENOMEM;
 	if (!mm)
-		goto unlock;
-	mmput(tsk->mm);
+		return -ENOMEM;
+
+	/* Now lets check again if somebody attached ptrace etc */
+	task_lock(tsk);
+	if (!tsk->mm || atomic_read(&tsk->mm->mm_users) > 1 ||
+	    tsk->mm != tsk->active_mm || tsk->mm->ioctx_list) {
+		mmput(mm);
+		task_unlock(tsk);
+		return -EINVAL;
+	}
+
+	/* ok, we are alone. No ptrace, no threads, etc. */
+	old_mm = tsk->mm;
 	tsk->mm = tsk->active_mm = mm;
 	preempt_disable();
 	update_mm(mm, tsk);
 	cpu_set(smp_processor_id(), mm->cpu_vm_mask);
 	preempt_enable();
-	rc = 0;
-unlock:
 	task_unlock(tsk);
-	return rc;
+	mmput(old_mm);
+	return 0;
 }
 EXPORT_SYMBOL_GPL(s390_enable_sie);

arch/um/os-Linux/start_up.c

@@ -121,8 +121,10 @@ static int stop_ptraced_child(int pid, int exitcode, int mustexit)
 {
 	int status, n, ret = 0;
 
-	if (ptrace(PTRACE_CONT, pid, 0, 0) < 0)
-		fatal_perror("stop_ptraced_child : ptrace failed");
+	if (ptrace(PTRACE_CONT, pid, 0, 0) < 0) {
+		perror("stop_ptraced_child : ptrace failed");
+		return -1;
+	}
 	CATCH_EINTR(n = waitpid(pid, &status, 0));
 	if (!WIFEXITED(status) || (WEXITSTATUS(status) != exitcode)) {
 		int exit_with = WEXITSTATUS(status);
@@ -212,7 +214,7 @@ static void __init check_sysemu(void)
 	if (n < 0)
 		fatal_perror("check_sysemu : wait failed");
 	if (!WIFSTOPPED(status) || (WSTOPSIG(status) != SIGTRAP))
-		fatal("check_sysemu : expected SIGTRAP, got status = %d",
+		fatal("check_sysemu : expected SIGTRAP, got status = %d\n",
 		      status);
 
 	if (ptrace(PTRACE_GETREGS, pid, 0, regs) < 0)
@@ -254,9 +256,11 @@ static void __init check_sysemu(void)
 
 		if (WIFSTOPPED(status) &&
 		    (WSTOPSIG(status) == (SIGTRAP|0x80))) {
-			if (!count)
-				fatal("check_ptrace : SYSEMU_SINGLESTEP "
-				      "doesn't singlestep");
+			if (!count) {
+				non_fatal("check_ptrace : SYSEMU_SINGLESTEP "
+					  "doesn't singlestep");
+				goto fail;
+			}
 			n = ptrace(PTRACE_POKEUSR, pid, PT_SYSCALL_RET_OFFSET,
 				   os_getpid());
 			if (n < 0)
@@ -266,9 +270,12 @@ static void __init check_sysemu(void)
 		}
 		else if (WIFSTOPPED(status) && (WSTOPSIG(status) == SIGTRAP))
 			count++;
-		else
-			fatal("check_ptrace : expected SIGTRAP or "
-			      "(SIGTRAP | 0x80), got status = %d", status);
+		else {
+			non_fatal("check_ptrace : expected SIGTRAP or "
+				  "(SIGTRAP | 0x80), got status = %d\n",
+				  status);
+			goto fail;
+		}
 	}
 	if (stop_ptraced_child(pid, 0, 0) < 0)
 		goto fail_stopped;

arch/um/os-Linux/sys-i386/registers.c

@@ -6,7 +6,7 @@
 
 #include <errno.h>
 #include <sys/ptrace.h>
-#include <asm/user.h>
+#include <sys/user.h>
 #include "kern_constants.h"
 #include "longjmp.h"
 #include "user.h"
@@ -76,7 +76,7 @@ int put_fp_registers(int pid, unsigned long *regs)
 
 void arch_init_registers(int pid)
 {
-	struct user_fxsr_struct fpx_regs;
+	struct user_fpxregs_struct fpx_regs;
 	int err;
 
 	err = ptrace(PTRACE_GETFPXREGS, pid, 0, &fpx_regs);

arch/x86/boot/a20.c

@@ -115,8 +115,6 @@ static void enable_a20_fast(void)
 
 int enable_a20(void)
 {
-	int loops = A20_ENABLE_LOOPS;
-
 #if defined(CONFIG_X86_ELAN)
 	/* Elan croaks if we try to touch the KBC */
 	enable_a20_fast();
@@ -128,6 +126,7 @@ int enable_a20(void)
 	enable_a20_kbc();
 	return 0;
 #else
+       int loops = A20_ENABLE_LOOPS;
 	while (loops--) {
 		/* First, check to see if A20 is already enabled
 		   (legacy free, etc.) */

arch/x86/kernel/entry_32.S

@@ -248,6 +248,7 @@ ENTRY(resume_userspace)
  	DISABLE_INTERRUPTS(CLBR_ANY)	# make sure we don't miss an interrupt
 					# setting need_resched or sigpending
 					# between sampling and the iret
+	TRACE_IRQS_OFF
 	movl TI_flags(%ebp), %ecx
 	andl $_TIF_WORK_MASK, %ecx	# is there any work to be done on
 					# int/exception return?

arch/x86/kernel/head_32.S

@@ -189,7 +189,7 @@ default_entry:
 	 * this stage.
 	 */
 
-#define KPMDS ((0x100000000-__PAGE_OFFSET) >> 30) /* Number of kernel PMDs */
+#define KPMDS (((-__PAGE_OFFSET) >> 30) & 3) /* Number of kernel PMDs */
 
 	xorl %ebx,%ebx				/* %ebx is kept at zero */
 

arch/x86/kernel/io_apic_32.c

@@ -2130,14 +2130,10 @@ static inline void __init check_timer(void)
 {
 	int apic1, pin1, apic2, pin2;
 	int vector;
-	unsigned int ver;
 	unsigned long flags;
 
 	local_irq_save(flags);
 
-	ver = apic_read(APIC_LVR);
-	ver = GET_APIC_VERSION(ver);
-
 	/*
 	 * get/set the timer IRQ vector:
 	 */
@@ -2150,15 +2146,11 @@ static inline void __init check_timer(void)
 	 * mode for the 8259A whenever interrupts are routed
 	 * through I/O APICs.  Also IRQ0 has to be enabled in
 	 * the 8259A which implies the virtual wire has to be
-	 * disabled in the local APIC.  Finally timer interrupts
-	 * need to be acknowledged manually in the 8259A for
-	 * timer_interrupt() and for the i82489DX when using
-	 * the NMI watchdog.
+	 * disabled in the local APIC.
 	 */
 	apic_write_around(APIC_LVT0, APIC_LVT_MASKED | APIC_DM_EXTINT);
 	init_8259A(1);
-	timer_ack = !cpu_has_tsc;
-	timer_ack |= (nmi_watchdog == NMI_IO_APIC && !APIC_INTEGRATED(ver));
+	timer_ack = 1;
 	if (timer_over_8254 > 0)
 		enable_8259A_irq(0);
 

arch/x86/kernel/mfgpt_32.c

@@ -155,6 +155,7 @@ int geode_mfgpt_toggle_event(int timer, int cmp, int event, int enable)
 	wrmsr(msr, value, dummy);
 	return 0;
 }
+EXPORT_SYMBOL_GPL(geode_mfgpt_toggle_event);
 
 int geode_mfgpt_set_irq(int timer, int cmp, int irq, int enable)
 {
@@ -222,6 +223,7 @@ int geode_mfgpt_alloc_timer(int timer, int domain)
 	/* No timers available - too bad */
 	return -1;
 }
+EXPORT_SYMBOL_GPL(geode_mfgpt_alloc_timer);
 
 
 #ifdef CONFIG_GEODE_MFGPT_TIMER

arch/x86/kernel/nmi_32.c

@@ -26,7 +26,6 @@
 
 #include <asm/smp.h>
 #include <asm/nmi.h>
-#include <asm/timer.h>
 
 #include "mach_traps.h"
 
@@ -82,7 +81,7 @@ int __init check_nmi_watchdog(void)
 
 	prev_nmi_count = kmalloc(NR_CPUS * sizeof(int), GFP_KERNEL);
 	if (!prev_nmi_count)
-		goto error;
+		return -1;
 
 	printk(KERN_INFO "Testing NMI watchdog ... ");
 
@@ -119,7 +118,7 @@ int __init check_nmi_watchdog(void)
 	if (!atomic_read(&nmi_active)) {
 		kfree(prev_nmi_count);
 		atomic_set(&nmi_active, -1);
-		goto error;
+		return -1;
 	}
 	printk("OK.\n");
 
@@ -130,10 +129,6 @@ int __init check_nmi_watchdog(void)
 
 	kfree(prev_nmi_count);
 	return 0;
-error:
-	timer_ack = !cpu_has_tsc;
-
-	return -1;
 }
 
 static int __init setup_nmi_watchdog(char *str)

arch/x86/kernel/pci-dma.c

@@ -378,6 +378,7 @@ dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
 	struct page *page;
 	unsigned long dma_mask = 0;
 	dma_addr_t bus;
+	int noretry = 0;
 
 	/* ignore region specifiers */
 	gfp &= ~(__GFP_DMA | __GFP_HIGHMEM | __GFP_DMA32);
@@ -397,20 +398,25 @@ dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
 	if (dev->dma_mask == NULL)
 		return NULL;
 
-	/* Don't invoke OOM killer */
-	gfp |= __GFP_NORETRY;
+	/* Don't invoke OOM killer or retry in lower 16MB DMA zone */
+	if (gfp & __GFP_DMA)
+		noretry = 1;
 
 #ifdef CONFIG_X86_64
 	/* Why <=? Even when the mask is smaller than 4GB it is often
 	   larger than 16MB and in this case we have a chance of
 	   finding fitting memory in the next higher zone first. If
 	   not retry with true GFP_DMA. -AK */
-	if (dma_mask <= DMA_32BIT_MASK && !(gfp & GFP_DMA))
+	if (dma_mask <= DMA_32BIT_MASK && !(gfp & GFP_DMA)) {
 		gfp |= GFP_DMA32;
+		if (dma_mask < DMA_32BIT_MASK)
+			noretry = 1;
+	}
 #endif
 
  again:
-	page = dma_alloc_pages(dev, gfp, get_order(size));
+	page = dma_alloc_pages(dev,
+		noretry ? gfp | __GFP_NORETRY : gfp, get_order(size));
 	if (page == NULL)
 		return NULL;
 

arch/x86/kernel/rtc.c

@@ -4,6 +4,8 @@
 #include <linux/acpi.h>
 #include <linux/bcd.h>
 #include <linux/mc146818rtc.h>
+#include <linux/platform_device.h>
+#include <linux/pnp.h>
 
 #include <asm/time.h>
 #include <asm/vsyscall.h>
@@ -197,3 +199,35 @@ unsigned long long native_read_tsc(void)
 }
 EXPORT_SYMBOL(native_read_tsc);
 
+
+static struct resource rtc_resources[] = {
+	[0] = {
+		.start	= RTC_PORT(0),
+		.end	= RTC_PORT(1),
+		.flags	= IORESOURCE_IO,
+	},
+	[1] = {
+		.start	= RTC_IRQ,
+		.end	= RTC_IRQ,
+		.flags	= IORESOURCE_IRQ,
+	}
+};
+
+static struct platform_device rtc_device = {
+	.name		= "rtc_cmos",
+	.id		= -1,
+	.resource	= rtc_resources,
+	.num_resources	= ARRAY_SIZE(rtc_resources),
+};
+
+static __init int add_rtc_cmos(void)
+{
+#ifdef CONFIG_PNP
+	if (!pnp_platform_devices)
+		platform_device_register(&rtc_device);
+#else
+	platform_device_register(&rtc_device);
+#endif /* CONFIG_PNP */
+	return 0;
+}
+device_initcall(add_rtc_cmos);

arch/x86/kernel/traps_32.c

@@ -544,6 +544,7 @@ vm86_trap:
 #define DO_ERROR(trapnr, signr, str, name)				\
 void do_##name(struct pt_regs *regs, long error_code)			\
 {									\
+	trace_hardirqs_fixup();						\
 	if (notify_die(DIE_TRAP, str, regs, error_code, trapnr, signr)	\
 						== NOTIFY_STOP)		\
 		return;							\

arch/x86/kvm/i8254.c

@@ -200,7 +200,6 @@ int __pit_timer_fn(struct kvm_kpit_state *ps)
 
 	atomic_inc(&pt->pending);
 	smp_mb__after_atomic_inc();
-	/* FIXME: handle case where the guest is in guest mode */
 	if (vcpu0 && waitqueue_active(&vcpu0->wq)) {
 		vcpu0->arch.mp_state = KVM_MP_STATE_RUNNABLE;
 		wake_up_interruptible(&vcpu0->wq);
@@ -237,6 +236,19 @@ static enum hrtimer_restart pit_timer_fn(struct hrtimer *data)
 		return HRTIMER_NORESTART;
 }
 
+void __kvm_migrate_pit_timer(struct kvm_vcpu *vcpu)
+{
+	struct kvm_pit *pit = vcpu->kvm->arch.vpit;
+	struct hrtimer *timer;
+
+	if (vcpu->vcpu_id != 0 || !pit)
+		return;
+
+	timer = &pit->pit_state.pit_timer.timer;
+	if (hrtimer_cancel(timer))
+		hrtimer_start(timer, timer->expires, HRTIMER_MODE_ABS);
+}
+
 static void destroy_pit_timer(struct kvm_kpit_timer *pt)
 {
 	pr_debug("pit: execute del timer!\n");

arch/x86/kvm/irq.c

@@ -94,3 +94,9 @@ void kvm_timer_intr_post(struct kvm_vcpu *vcpu, int vec)
 	/* TODO: PIT, RTC etc. */
 }
 EXPORT_SYMBOL_GPL(kvm_timer_intr_post);
+
+void __kvm_migrate_timers(struct kvm_vcpu *vcpu)
+{
+	__kvm_migrate_apic_timer(vcpu);
+	__kvm_migrate_pit_timer(vcpu);
+}

arch/x86/kvm/irq.h

@@ -84,6 +84,8 @@ void kvm_timer_intr_post(struct kvm_vcpu *vcpu, int vec);
 void kvm_inject_pending_timer_irqs(struct kvm_vcpu *vcpu);
 void kvm_inject_apic_timer_irqs(struct kvm_vcpu *vcpu);
 void __kvm_migrate_apic_timer(struct kvm_vcpu *vcpu);
+void __kvm_migrate_pit_timer(struct kvm_vcpu *vcpu);
+void __kvm_migrate_timers(struct kvm_vcpu *vcpu);
 
 int pit_has_pending_timer(struct kvm_vcpu *vcpu);
 int apic_has_pending_timer(struct kvm_vcpu *vcpu);

arch/x86/kvm/mmu.c

@@ -658,7 +658,7 @@ static int is_empty_shadow_page(u64 *spt)
 	u64 *end;
 
 	for (pos = spt, end = pos + PAGE_SIZE / sizeof(u64); pos != end; pos++)
-		if (*pos != shadow_trap_nonpresent_pte) {
+		if (is_shadow_present_pte(*pos)) {
 			printk(KERN_ERR "%s: %p %llx\n", __func__,
 			       pos, *pos);
 			return 0;
@@ -1858,6 +1858,7 @@ static void free_mmu_pages(struct kvm_vcpu *vcpu)
 		sp = container_of(vcpu->kvm->arch.active_mmu_pages.next,
 				  struct kvm_mmu_page, link);
 		kvm_mmu_zap_page(vcpu->kvm, sp);
+		cond_resched();
 	}
 	free_page((unsigned long)vcpu->arch.mmu.pae_root);
 }

arch/x86/kvm/paging_tmpl.h

@@ -418,7 +418,7 @@ static int FNAME(page_fault)(struct kvm_vcpu *vcpu, gva_t addr,
 
 	/* mmio */
 	if (is_error_pfn(pfn)) {
-		pgprintk("gfn %x is mmio\n", walker.gfn);
+		pgprintk("gfn %lx is mmio\n", walker.gfn);
 		kvm_release_pfn_clean(pfn);
 		return 1;
 	}

arch/x86/kvm/svm.c

@@ -688,7 +688,7 @@ static void svm_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
 		delta = vcpu->arch.host_tsc - tsc_this;
 		svm->vmcb->control.tsc_offset += delta;
 		vcpu->cpu = cpu;
-		kvm_migrate_apic_timer(vcpu);
+		kvm_migrate_timers(vcpu);
 	}
 
 	for (i = 0; i < NR_HOST_SAVE_USER_MSRS; i++)

arch/x86/kvm/vmx.c

@@ -608,7 +608,7 @@ static void vmx_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
 
 	if (vcpu->cpu != cpu) {
 		vcpu_clear(vmx);
-		kvm_migrate_apic_timer(vcpu);
+		kvm_migrate_timers(vcpu);
 		vpid_sync_vcpu_all(vmx);
 	}
 
@@ -1036,6 +1036,7 @@ static void hardware_enable(void *garbage)
 static void hardware_disable(void *garbage)
 {
 	asm volatile (ASM_VMX_VMXOFF : : : "cc");
+	write_cr4(read_cr4() & ~X86_CR4_VMXE);
 }
 
 static __init int adjust_vmx_controls(u32 ctl_min, u32 ctl_opt,

arch/x86/kvm/x86.c

@@ -2758,7 +2758,7 @@ again:
 
 	if (vcpu->requests) {
 		if (test_and_clear_bit(KVM_REQ_MIGRATE_TIMER, &vcpu->requests))
-			__kvm_migrate_apic_timer(vcpu);
+			__kvm_migrate_timers(vcpu);
 		if (test_and_clear_bit(KVM_REQ_REPORT_TPR_ACCESS,
 				       &vcpu->requests)) {
 			kvm_run->exit_reason = KVM_EXIT_TPR_ACCESS;

arch/x86/kvm/x86_emulate.c

@@ -1727,7 +1727,8 @@ twobyte_insn:
 			if (rc)
 				goto done;
 
-			kvm_emulate_hypercall(ctxt->vcpu);
+			/* Let the processor re-execute the fixed hypercall */
+			c->eip = ctxt->vcpu->arch.rip;
 			/* Disable writeback. */
 			c->dst.type = OP_NONE;
 			break;

arch/x86/mm/fault.c

@@ -497,6 +497,11 @@ static int vmalloc_fault(unsigned long address)
 	unsigned long pgd_paddr;
 	pmd_t *pmd_k;
 	pte_t *pte_k;
+
+	/* Make sure we are in vmalloc area */
+	if (!(address >= VMALLOC_START && address < VMALLOC_END))
+		return -1;
+
 	/*
 	 * Synchronize this task's top level page-table
 	 * with the 'reference' page table.

arch/x86/mm/srat_64.c

@@ -97,36 +97,9 @@ static __init inline int srat_disabled(void)
 	return numa_off || acpi_numa < 0;
 }
 
-/*
- * A lot of BIOS fill in 10 (= no distance) everywhere. This messes
- * up the NUMA heuristics which wants the local node to have a smaller
- * distance than the others.
- * Do some quick checks here and only use the SLIT if it passes.
- */
-static __init int slit_valid(struct acpi_table_slit *slit)
-{
-	int i, j;
-	int d = slit->locality_count;
-	for (i = 0; i < d; i++) {
-		for (j = 0; j < d; j++)  {
-			u8 val = slit->entry[d*i + j];
-			if (i == j) {
-				if (val != LOCAL_DISTANCE)
-					return 0;
-			} else if (val <= LOCAL_DISTANCE)
-				return 0;
-		}
-	}
-	return 1;
-}
-
 /* Callback for SLIT parsing */
 void __init acpi_numa_slit_init(struct acpi_table_slit *slit)
 {
-	if (!slit_valid(slit)) {
-		printk(KERN_INFO "ACPI: SLIT table looks invalid. Not used.\n");
-		return;
-	}
 	acpi_slit = slit;
 }
 

arch/x86/pci/common.c

@@ -328,18 +328,18 @@ static struct dmi_system_id __devinitdata pciprobe_dmi_table[] = {
 #endif
 	{
 		.callback = set_bf_sort,
-		.ident = "HP ProLiant DL385 G2",
+		.ident = "HP ProLiant DL360",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "HP"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant DL385 G2"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant DL360"),
 		},
 	},
 	{
 		.callback = set_bf_sort,
-		.ident = "HP ProLiant DL585 G2",
+		.ident = "HP ProLiant DL380",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "HP"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant DL585 G2"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant DL380"),
 		},
 	},
 	{}

arch/x86/xen/time.c

@@ -12,6 +12,7 @@
 #include <linux/clocksource.h>
 #include <linux/clockchips.h>
 #include <linux/kernel_stat.h>
+#include <linux/math64.h>
 
 #include <asm/xen/hypervisor.h>
 #include <asm/xen/hypercall.h>
@@ -150,11 +151,7 @@ static void do_stolen_accounting(void)
 	if (stolen < 0)
 		stolen = 0;
 
-	ticks = 0;
-	while (stolen >= NS_PER_TICK) {
-		ticks++;
-		stolen -= NS_PER_TICK;
-	}
+	ticks = iter_div_u64_rem(stolen, NS_PER_TICK, &stolen);
 	__get_cpu_var(residual_stolen) = stolen;
 	account_steal_time(NULL, ticks);
 
@@ -166,11 +163,7 @@ static void do_stolen_accounting(void)
 	if (blocked < 0)
 		blocked = 0;
 
-	ticks = 0;
-	while (blocked >= NS_PER_TICK) {
-		ticks++;
-		blocked -= NS_PER_TICK;
-	}
+	ticks = iter_div_u64_rem(blocked, NS_PER_TICK, &blocked);
 	__get_cpu_var(residual_blocked) = blocked;
 	account_steal_time(idle_task(smp_processor_id()), ticks);
 }

block/blktrace.c

@@ -79,16 +79,17 @@ void __trace_note_message(struct blk_trace *bt, const char *fmt, ...)
 {
 	int n;
 	va_list args;
+	unsigned long flags;
 	char *buf;
 
-	preempt_disable();
+	local_irq_save(flags);
 	buf = per_cpu_ptr(bt->msg_data, smp_processor_id());
 	va_start(args, fmt);
 	n = vscnprintf(buf, BLK_TN_MAX_MSG, fmt, args);
 	va_end(args);
 
 	trace_note(bt, 0, BLK_TN_MESSAGE, buf, n);
-	preempt_enable();
+	local_irq_restore(flags);
 }
 EXPORT_SYMBOL_GPL(__trace_note_message);
 
@@ -158,10 +159,7 @@ void __blk_add_trace(struct blk_trace *bt, sector_t sector, int bytes,
 	/*
 	 * A word about the locking here - we disable interrupts to reserve
 	 * some space in the relay per-cpu buffer, to prevent an irq
-	 * from coming in and stepping on our toes. Once reserved, it's
-	 * enough to get preemption disabled to prevent read of this data
-	 * before we are through filling it. get_cpu()/put_cpu() does this
-	 * for us
+	 * from coming in and stepping on our toes.
 	 */
 	local_irq_save(flags);
 

drivers/acpi/bay.c

@@ -301,16 +301,20 @@ static int bay_add(acpi_handle handle, int id)
 	 */
 	pdev->dev.uevent_suppress = 0;
 
-	if (acpi_bay_add_fs(new_bay)) {
-		platform_device_unregister(new_bay->pdev);
-		goto bay_add_err;
-	}
-
 	/* register for events on this device */
 	status = acpi_install_notify_handler(handle, ACPI_SYSTEM_NOTIFY,
 			bay_notify, new_bay);
 	if (ACPI_FAILURE(status)) {
-		printk(KERN_ERR PREFIX "Error installing bay notify handler\n");
+		printk(KERN_INFO PREFIX "Error installing bay notify handler\n");
+		platform_device_unregister(new_bay->pdev);
+		goto bay_add_err;
+	}
+
+	if (acpi_bay_add_fs(new_bay)) {
+		acpi_remove_notify_handler(handle, ACPI_SYSTEM_NOTIFY,
+					   bay_notify);
+		platform_device_unregister(new_bay->pdev);
+		goto bay_add_err;
 	}
 
 	/* if we are on a dock station, we should register for dock

drivers/acpi/dispatcher/dsfield.c

@@ -450,10 +450,6 @@ acpi_ds_init_field_objects(union acpi_parse_object *op,
 		return_ACPI_STATUS(AE_BAD_PARAMETER);
 	}
 
-	if (!arg) {
-		return_ACPI_STATUS(AE_AML_NO_OPERAND);
-	}
-
 	/* Creating new namespace node(s), should not already exist */
 
 	flags = ACPI_NS_NO_UPSEARCH | ACPI_NS_DONT_OPEN_SCOPE |
@@ -467,6 +463,7 @@ acpi_ds_init_field_objects(union acpi_parse_object *op,
 
 	/*
 	 * Walk the list of entries in the field_list
+	 * Note: field_list can be of zero length. In this case, Arg will be NULL.
 	 */
 	while (arg) {
 		/*

drivers/acpi/dock.c

@@ -834,7 +834,7 @@ static int dock_add(acpi_handle handle)
 		goto dock_add_err;
 	}
 
-	printk(KERN_INFO PREFIX "%s \n", ACPI_DOCK_DRIVER_DESCRIPTION);
+	printk(KERN_INFO PREFIX "%s\n", ACPI_DOCK_DRIVER_DESCRIPTION);
 
 	return 0;
 

drivers/acpi/ec.c

@@ -194,7 +194,7 @@ static int acpi_ec_wait(struct acpi_ec *ec, enum ec_event event, int force_poll)
 		while (time_before(jiffies, delay)) {
 			if (acpi_ec_check_status(ec, event))
 				return 0;
-			udelay(ACPI_EC_UDELAY);
+			msleep(1);
 		}
 	}
 	pr_err(PREFIX "acpi_ec_wait timeout, status = 0x%2.2x, event = %s\n",

drivers/acpi/executer/exconfig.c

@@ -375,9 +375,15 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc,
 		goto cleanup;
 	}
 
+	/*
+	 * Add the table to the namespace.
+	 *
+	 * Note: We load the table objects relative to the root of the namespace.
+	 * This appears to go against the ACPI specification, but we do it for
+	 * compatibility with other ACPI implementations.
+	 */
 	status =
-	    acpi_ex_add_table(table_index, walk_state->scope_info->scope.node,
-			      &ddb_handle);
+	    acpi_ex_add_table(table_index, acpi_gbl_root_node, &ddb_handle);
 	if (ACPI_FAILURE(status)) {
 
 		/* On error, table_ptr was deallocated above */

drivers/acpi/glue.c

@@ -272,6 +272,12 @@ static u32 rtc_handler(void *context)
 static inline void rtc_wake_setup(void)
 {
 	acpi_install_fixed_event_handler(ACPI_EVENT_RTC, rtc_handler, NULL);
+	/*
+	 * After the RTC handler is installed, the Fixed_RTC event should
+	 * be disabled. Only when the RTC alarm is set will it be enabled.
+	 */
+	acpi_clear_event(ACPI_EVENT_RTC);
+	acpi_disable_event(ACPI_EVENT_RTC, 0);
 }
 
 static void rtc_wake_on(struct device *dev)

drivers/acpi/hardware/hwsleep.c

@@ -223,15 +223,17 @@ acpi_status acpi_enter_sleep_state_prep(u8 sleep_state)
 		break;
 	}
 
-	/* Set the system indicators to show the desired sleep state. */
-
+	/*
+	 * Set the system indicators to show the desired sleep state.
+	 * _SST is an optional method (return no error if not found)
+	 */
 	status = acpi_evaluate_object(NULL, METHOD_NAME__SST, &arg_list, NULL);
 	if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) {
 		ACPI_EXCEPTION((AE_INFO, status,
 				"While executing method _SST"));
 	}
 
-	return_ACPI_STATUS(status);
+	return_ACPI_STATUS(AE_OK);
 }
 
 ACPI_EXPORT_SYMBOL(acpi_enter_sleep_state_prep)

drivers/acpi/numa.c

@@ -140,19 +140,42 @@ acpi_table_print_srat_entry(struct acpi_subtable_header *header)
 	}
 }
 
+/*
+ * A lot of BIOS fill in 10 (= no distance) everywhere. This messes
+ * up the NUMA heuristics which wants the local node to have a smaller
+ * distance than the others.
+ * Do some quick checks here and only use the SLIT if it passes.
+ */
+static __init int slit_valid(struct acpi_table_slit *slit)
+{
+	int i, j;
+	int d = slit->locality_count;
+	for (i = 0; i < d; i++) {
+		for (j = 0; j < d; j++)  {
+			u8 val = slit->entry[d*i + j];
+			if (i == j) {
+				if (val != LOCAL_DISTANCE)
+					return 0;
+			} else if (val <= LOCAL_DISTANCE)
+				return 0;
+		}
+	}
+	return 1;
+}
+
 static int __init acpi_parse_slit(struct acpi_table_header *table)
 {
 	struct acpi_table_slit *slit;
-	u32 localities;
 
 	if (!table)
 		return -EINVAL;
 
 	slit = (struct acpi_table_slit *)table;
 
-	/* downcast just for %llu vs %lu for i386/ia64  */
-	localities = (u32) slit->locality_count;
-
+	if (!slit_valid(slit)) {
+		printk(KERN_INFO "ACPI: SLIT table looks invalid. Not used.\n");
+		return -EINVAL;
+	}
 	acpi_numa_slit_init(slit);
 
 	return 0;

drivers/acpi/parser/psargs.c

@@ -268,7 +268,7 @@ acpi_ps_get_next_namepath(struct acpi_walk_state *walk_state,
 	 */
 	if (ACPI_SUCCESS(status) &&
 	    possible_method_call && (node->type == ACPI_TYPE_METHOD)) {
-		if (walk_state->op->common.aml_opcode == AML_UNLOAD_OP) {
+		if (walk_state->opcode == AML_UNLOAD_OP) {
 			/*
 			 * acpi_ps_get_next_namestring has increased the AML pointer,
 			 * so we need to restore the saved AML pointer for method call.
@@ -691,7 +691,7 @@ acpi_ps_get_next_arg(struct acpi_walk_state *walk_state,
 
 			/* To support super_name arg of Unload */
 
-			if (walk_state->op->common.aml_opcode == AML_UNLOAD_OP) {
+			if (walk_state->opcode == AML_UNLOAD_OP) {
 				status =
 				    acpi_ps_get_next_namepath(walk_state,
 							      parser_state, arg,

drivers/acpi/processor_core.c

@@ -86,7 +86,6 @@ static int acpi_processor_info_open_fs(struct inode *inode, struct file *file);
 static void acpi_processor_notify(acpi_handle handle, u32 event, void *data);
 static acpi_status acpi_processor_hotadd_init(acpi_handle handle, int *p_cpu);
 static int acpi_processor_handle_eject(struct acpi_processor *pr);
-extern int acpi_processor_tstate_has_changed(struct acpi_processor *pr);
 
 
 static const struct acpi_device_id processor_device_ids[] = {

drivers/acpi/processor_idle.c

@@ -1669,6 +1669,7 @@ static int acpi_processor_setup_cpuidle(struct acpi_processor *pr)
 		return -EINVAL;
 	}
 
+	dev->cpu = pr->id;
 	for (i = 0; i < CPUIDLE_STATE_MAX; i++) {
 		dev->states[i].name[0] = '\0';
 		dev->states[i].desc[0] = '\0';
@@ -1738,7 +1739,7 @@ static int acpi_processor_setup_cpuidle(struct acpi_processor *pr)
 
 int acpi_processor_cst_has_changed(struct acpi_processor *pr)
 {
-	int ret;
+	int ret = 0;
 
 	if (boot_option_idle_override)
 		return 0;
@@ -1756,8 +1757,10 @@ int acpi_processor_cst_has_changed(struct acpi_processor *pr)
 	cpuidle_pause_and_lock();
 	cpuidle_disable_device(&pr->power.dev);
 	acpi_processor_get_power_info(pr);
-	acpi_processor_setup_cpuidle(pr);
-	ret = cpuidle_enable_device(&pr->power.dev);
+	if (pr->flags.power) {
+		acpi_processor_setup_cpuidle(pr);
+		ret = cpuidle_enable_device(&pr->power.dev);
+	}
 	cpuidle_resume_and_unlock();
 
 	return ret;
@@ -1813,7 +1816,6 @@ int __cpuinit acpi_processor_power_init(struct acpi_processor *pr,
 	if (pr->flags.power) {
 #ifdef CONFIG_CPU_IDLE
 		acpi_processor_setup_cpuidle(pr);
-		pr->power.dev.cpu = pr->id;
 		if (cpuidle_register_device(&pr->power.dev))
 			return -EIO;
 #endif
@@ -1850,8 +1852,7 @@ int acpi_processor_power_exit(struct acpi_processor *pr,
 		return 0;
 
 #ifdef CONFIG_CPU_IDLE
-	if (pr->flags.power)
-		cpuidle_unregister_device(&pr->power.dev);
+	cpuidle_unregister_device(&pr->power.dev);
 #endif
 	pr->flags.power_setup_done = 0;
 

drivers/acpi/sleep/proc.c

@@ -495,6 +495,12 @@ static int __init acpi_sleep_proc_init(void)
 		    acpi_root_dir, &acpi_system_alarm_fops);
 
 	acpi_install_fixed_event_handler(ACPI_EVENT_RTC, rtc_handler, NULL);
+	/*
+	 * Disable the RTC event after installing RTC handler.
+	 * Only when RTC alarm is set will it be enabled.
+	 */
+	acpi_clear_event(ACPI_EVENT_RTC);
+	acpi_disable_event(ACPI_EVENT_RTC, 0);
 #endif				/* HAVE_ACPI_LEGACY_ALARM */
 
 	/* 'wakeup device' [R/W] */

drivers/acpi/system.c

@@ -77,7 +77,6 @@ static ssize_t acpi_table_show(struct kobject *kobj,
 	    container_of(bin_attr, struct acpi_table_attr, attr);
 	struct acpi_table_header *table_header = NULL;
 	acpi_status status;
-	ssize_t ret_count = count;
 
 	status =
 	    acpi_get_table(table_attr->name, table_attr->instance,
@@ -85,18 +84,8 @@ static ssize_t acpi_table_show(struct kobject *kobj,
 	if (ACPI_FAILURE(status))
 		return -ENODEV;
 
-	if (offset >= table_header->length) {
-		ret_count = 0;
-		goto end;
-	}
-
-	if (offset + ret_count > table_header->length)
-		ret_count = table_header->length - offset;
-
-	memcpy(buf, ((char *)table_header) + offset, ret_count);
-
-      end:
-	return ret_count;
+	return memory_read_from_buffer(buf, count, &offset,
+					table_header, table_header->length);
 }
 
 static void acpi_table_attr_init(struct acpi_table_attr *table_attr,

drivers/acpi/tables/tbinstal.c

@@ -123,24 +123,13 @@ acpi_tb_add_table(struct acpi_table_desc *table_desc,
 		}
 	}
 
-	/* The table must be either an SSDT or a PSDT or an OEMx */
-
-	if (!ACPI_COMPARE_NAME(table_desc->pointer->signature, ACPI_SIG_PSDT)&&
-	    !ACPI_COMPARE_NAME(table_desc->pointer->signature, ACPI_SIG_SSDT)&&
-	    strncmp(table_desc->pointer->signature, "OEM", 3)) {
-		/* Check for a printable name */
-		if (acpi_ut_valid_acpi_name(
-			*(u32 *) table_desc->pointer->signature)) {
-			ACPI_ERROR((AE_INFO, "Table has invalid signature "
-					"[%4.4s], must be SSDT or PSDT",
-				    table_desc->pointer->signature));
-		} else {
-			ACPI_ERROR((AE_INFO, "Table has invalid signature "
-					"(0x%8.8X), must be SSDT or PSDT",
-				    *(u32 *) table_desc->pointer->signature));
-		}
-		return_ACPI_STATUS(AE_BAD_SIGNATURE);
-	}
+	/*
+	 * Originally, we checked the table signature for "SSDT" or "PSDT" here.
+	 * Next, we added support for OEMx tables, signature "OEM".
+	 * Valid tables were encountered with a null signature, so we've just
+	 * given up on validating the signature, since it seems to be a waste
+	 * of code. The original code was removed (05/2008).
+	 */
 
 	(void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
 

drivers/acpi/tables/tbxface.c

@@ -540,7 +540,7 @@ static acpi_status acpi_tb_load_namespace(void)
 		acpi_tb_print_table_header(0, table);
 
 		if (no_auto_ssdt == 0) {
-			printk(KERN_WARNING "ACPI: DSDT override uses original SSDTs unless \"acpi_no_auto_ssdt\"");
+			printk(KERN_WARNING "ACPI: DSDT override uses original SSDTs unless \"acpi_no_auto_ssdt\"\n");
 		}
 	}
 

drivers/acpi/thermal.c

@@ -364,10 +364,17 @@ static int acpi_thermal_trips_update(struct acpi_thermal *tz, int flag)
 	if (flag & ACPI_TRIPS_CRITICAL) {
 		status = acpi_evaluate_integer(tz->device->handle,
 				"_CRT", NULL, &tz->trips.critical.temperature);
-		if (ACPI_FAILURE(status)) {
+		/*
+		 * Treat freezing temperatures as invalid as well; some
+		 * BIOSes return really low values and cause reboots at startup.
+		 * Below zero (Celcius) values clearly aren't right for sure..
+		 * ... so lets discard those as invalid.
+		 */
+		if (ACPI_FAILURE(status) ||
+				tz->trips.critical.temperature <= 2732) {
 			tz->trips.critical.flags.valid = 0;
 			ACPI_EXCEPTION((AE_INFO, status,
-					"No critical threshold"));
+					"No or invalid critical threshold"));
 			return -ENODEV;
 		} else {
 			tz->trips.critical.flags.valid = 1;

drivers/acpi/utilities/utmisc.c

@@ -1048,6 +1048,7 @@ acpi_ut_exception(char *module_name,
 	va_start(args, format);
 	acpi_os_vprintf(format, args);
 	acpi_os_printf(" [%X]\n", ACPI_CA_VERSION);
+	va_end(args);
 }
 
 EXPORT_SYMBOL(acpi_ut_exception);
@@ -1063,7 +1064,6 @@ acpi_ut_warning(char *module_name, u32 line_number, char *format, ...)
 	acpi_os_vprintf(format, args);
 	acpi_os_printf(" [%X]\n", ACPI_CA_VERSION);
 	va_end(args);
-	va_end(args);
 }
 
 void ACPI_INTERNAL_VAR_XFACE

drivers/ata/ahci.c

@@ -89,6 +89,7 @@ enum {
 	board_ahci_sb600	= 3,
 	board_ahci_mv		= 4,
 	board_ahci_sb700	= 5,
+	board_ahci_mcp65	= 6,
 
 	/* global controller registers */
 	HOST_CAP		= 0x00, /* host capabilities */
@@ -190,6 +191,7 @@ enum {
 	AHCI_HFLAG_NO_PMP		= (1 << 6), /* no PMP */
 	AHCI_HFLAG_NO_HOTPLUG		= (1 << 7), /* ignore PxSERR.DIAG.N */
 	AHCI_HFLAG_SECT255		= (1 << 8), /* max 255 sectors */
+	AHCI_HFLAG_YES_NCQ		= (1 << 9), /* force NCQ cap on */
 
 	/* ap->flags bits */
 
@@ -253,6 +255,8 @@ static void ahci_pmp_attach(struct ata_port *ap);
 static void ahci_pmp_detach(struct ata_port *ap);
 static int ahci_softreset(struct ata_link *link, unsigned int *class,
 			  unsigned long deadline);
+static int ahci_sb600_softreset(struct ata_link *link, unsigned int *class,
+			  unsigned long deadline);
 static int ahci_hardreset(struct ata_link *link, unsigned int *class,
 			  unsigned long deadline);
 static int ahci_vt8251_hardreset(struct ata_link *link, unsigned int *class,
@@ -329,6 +333,12 @@ static struct ata_port_operations ahci_p5wdh_ops = {
 	.hardreset		= ahci_p5wdh_hardreset,
 };
 
+static struct ata_port_operations ahci_sb600_ops = {
+	.inherits		= &ahci_ops,
+	.softreset		= ahci_sb600_softreset,
+	.pmp_softreset		= ahci_sb600_softreset,
+};
+
 #define AHCI_HFLAGS(flags)	.private_data	= (void *)(flags)
 
 static const struct ata_port_info ahci_port_info[] = {
@@ -359,11 +369,11 @@ static const struct ata_port_info ahci_port_info[] = {
 	{
 		AHCI_HFLAGS	(AHCI_HFLAG_IGN_SERR_INTERNAL |
 				 AHCI_HFLAG_32BIT_ONLY | AHCI_HFLAG_NO_MSI |
-				 AHCI_HFLAG_SECT255 | AHCI_HFLAG_NO_PMP),
+				 AHCI_HFLAG_SECT255),
 		.flags		= AHCI_FLAG_COMMON,
 		.pio_mask	= 0x1f, /* pio0-4 */
 		.udma_mask	= ATA_UDMA6,
-		.port_ops	= &ahci_ops,
+		.port_ops	= &ahci_sb600_ops,
 	},
 	/* board_ahci_mv */
 	{
@@ -377,8 +387,15 @@ static const struct ata_port_info ahci_port_info[] = {
 	},
 	/* board_ahci_sb700 */
 	{
-		AHCI_HFLAGS	(AHCI_HFLAG_IGN_SERR_INTERNAL |
-				 AHCI_HFLAG_NO_PMP),
+		AHCI_HFLAGS	(AHCI_HFLAG_IGN_SERR_INTERNAL),
+		.flags		= AHCI_FLAG_COMMON,
+		.pio_mask	= 0x1f, /* pio0-4 */
+		.udma_mask	= ATA_UDMA6,
+		.port_ops	= &ahci_sb600_ops,
+	},
+	/* board_ahci_mcp65 */
+	{
+		AHCI_HFLAGS	(AHCI_HFLAG_YES_NCQ),
 		.flags		= AHCI_FLAG_COMMON,
 		.pio_mask	= 0x1f, /* pio0-4 */
 		.udma_mask	= ATA_UDMA6,
@@ -438,14 +455,14 @@ static const struct pci_device_id ahci_pci_tbl[] = {
 	{ PCI_VDEVICE(VIA, 0x6287), board_ahci_vt8251 }, /* VIA VT8251 */
 
 	/* NVIDIA */
-	{ PCI_VDEVICE(NVIDIA, 0x044c), board_ahci },		/* MCP65 */
-	{ PCI_VDEVICE(NVIDIA, 0x044d), board_ahci },		/* MCP65 */
-	{ PCI_VDEVICE(NVIDIA, 0x044e), board_ahci },		/* MCP65 */
-	{ PCI_VDEVICE(NVIDIA, 0x044f), board_ahci },		/* MCP65 */
-	{ PCI_VDEVICE(NVIDIA, 0x045c), board_ahci },		/* MCP65 */
-	{ PCI_VDEVICE(NVIDIA, 0x045d), board_ahci },		/* MCP65 */
-	{ PCI_VDEVICE(NVIDIA, 0x045e), board_ahci },		/* MCP65 */
-	{ PCI_VDEVICE(NVIDIA, 0x045f), board_ahci },		/* MCP65 */
+	{ PCI_VDEVICE(NVIDIA, 0x044c), board_ahci_mcp65 },	/* MCP65 */
+	{ PCI_VDEVICE(NVIDIA, 0x044d), board_ahci_mcp65 },	/* MCP65 */
+	{ PCI_VDEVICE(NVIDIA, 0x044e), board_ahci_mcp65 },	/* MCP65 */
+	{ PCI_VDEVICE(NVIDIA, 0x044f), board_ahci_mcp65 },	/* MCP65 */
+	{ PCI_VDEVICE(NVIDIA, 0x045c), board_ahci_mcp65 },	/* MCP65 */
+	{ PCI_VDEVICE(NVIDIA, 0x045d), board_ahci_mcp65 },	/* MCP65 */
+	{ PCI_VDEVICE(NVIDIA, 0x045e), board_ahci_mcp65 },	/* MCP65 */
+	{ PCI_VDEVICE(NVIDIA, 0x045f), board_ahci_mcp65 },	/* MCP65 */
 	{ PCI_VDEVICE(NVIDIA, 0x0550), board_ahci },		/* MCP67 */
 	{ PCI_VDEVICE(NVIDIA, 0x0551), board_ahci },		/* MCP67 */
 	{ PCI_VDEVICE(NVIDIA, 0x0552), board_ahci },		/* MCP67 */
@@ -624,6 +641,12 @@ static void ahci_save_initial_config(struct pci_dev *pdev,
 		cap &= ~HOST_CAP_NCQ;
 	}
 
+	if (!(cap & HOST_CAP_NCQ) && (hpriv->flags & AHCI_HFLAG_YES_NCQ)) {
+		dev_printk(KERN_INFO, &pdev->dev,
+			   "controller can do NCQ, turning on CAP_NCQ\n");
+		cap |= HOST_CAP_NCQ;
+	}
+
 	if ((cap & HOST_CAP_PMP) && (hpriv->flags & AHCI_HFLAG_NO_PMP)) {
 		dev_printk(KERN_INFO, &pdev->dev,
 			   "controller can't do PMP, turning off CAP_PMP\n");
@@ -1262,19 +1285,11 @@ static int ahci_exec_polled_cmd(struct ata_port *ap, int pmp,
 	return 0;
 }
 
-static int ahci_check_ready(struct ata_link *link)
-{
-	void __iomem *port_mmio = ahci_port_base(link->ap);
-	u8 status = readl(port_mmio + PORT_TFDATA) & 0xFF;
-
-	return ata_check_ready(status);
-}
-
-static int ahci_softreset(struct ata_link *link, unsigned int *class,
-			  unsigned long deadline)
+static int ahci_do_softreset(struct ata_link *link, unsigned int *class,
+			     int pmp, unsigned long deadline,
+			     int (*check_ready)(struct ata_link *link))
 {
 	struct ata_port *ap = link->ap;
-	int pmp = sata_srst_pmp(link);
 	const char *reason = NULL;
 	unsigned long now, msecs;
 	struct ata_taskfile tf;
@@ -1312,7 +1327,7 @@ static int ahci_softreset(struct ata_link *link, unsigned int *class,
 	ahci_exec_polled_cmd(ap, pmp, &tf, 0, 0, 0);
 
 	/* wait for link to become ready */
-	rc = ata_wait_after_reset(link, deadline, ahci_check_ready);
+	rc = ata_wait_after_reset(link, deadline, check_ready);
 	/* link occupied, -ENODEV too is an error */
 	if (rc) {
 		reason = "device not ready";
@@ -1328,6 +1343,72 @@ static int ahci_softreset(struct ata_link *link, unsigned int *class,
 	return rc;
 }
 
+static int ahci_check_ready(struct ata_link *link)
+{
+	void __iomem *port_mmio = ahci_port_base(link->ap);
+	u8 status = readl(port_mmio + PORT_TFDATA) & 0xFF;
+
+	return ata_check_ready(status);
+}
+
+static int ahci_softreset(struct ata_link *link, unsigned int *class,
+			  unsigned long deadline)
+{
+	int pmp = sata_srst_pmp(link);
+
+	DPRINTK("ENTER\n");
+
+	return ahci_do_softreset(link, class, pmp, deadline, ahci_check_ready);
+}
+
+static int ahci_sb600_check_ready(struct ata_link *link)
+{
+	void __iomem *port_mmio = ahci_port_base(link->ap);
+	u8 status = readl(port_mmio + PORT_TFDATA) & 0xFF;
+	u32 irq_status = readl(port_mmio + PORT_IRQ_STAT);
+
+	/*
+	 * There is no need to check TFDATA if BAD PMP is found due to HW bug,
+	 * which can save timeout delay.
+	 */
+	if (irq_status & PORT_IRQ_BAD_PMP)
+		return -EIO;
+
+	return ata_check_ready(status);
+}
+
+static int ahci_sb600_softreset(struct ata_link *link, unsigned int *class,
+				unsigned long deadline)
+{
+	struct ata_port *ap = link->ap;
+	void __iomem *port_mmio = ahci_port_base(ap);
+	int pmp = sata_srst_pmp(link);
+	int rc;
+	u32 irq_sts;
+
+	DPRINTK("ENTER\n");
+
+	rc = ahci_do_softreset(link, class, pmp, deadline,
+			       ahci_sb600_check_ready);
+
+	/*
+	 * Soft reset fails on some ATI chips with IPMS set when PMP
+	 * is enabled but SATA HDD/ODD is connected to SATA port,
+	 * do soft reset again to port 0.
+	 */
+	if (rc == -EIO) {
+		irq_sts = readl(port_mmio + PORT_IRQ_STAT);
+		if (irq_sts & PORT_IRQ_BAD_PMP) {
+			ata_link_printk(link, KERN_WARNING,
+					"failed due to HW bug, retry pmp=0\n");
+			rc = ahci_do_softreset(link, class, 0, deadline,
+					       ahci_check_ready);
+		}
+	}
+
+	return rc;
+}
+
 static int ahci_hardreset(struct ata_link *link, unsigned int *class,
 			  unsigned long deadline)
 {
@@ -2118,7 +2199,8 @@ static void ahci_p5wdh_workaround(struct ata_host *host)
 static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 {
 	static int printed_version;
-	struct ata_port_info pi = ahci_port_info[ent->driver_data];
+	unsigned int board_id = ent->driver_data;
+	struct ata_port_info pi = ahci_port_info[board_id];
 	const struct ata_port_info *ppi[] = { &pi, NULL };
 	struct device *dev = &pdev->dev;
 	struct ahci_host_priv *hpriv;
@@ -2167,6 +2249,11 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 		return -ENOMEM;
 	hpriv->flags |= (unsigned long)pi.private_data;
 
+	/* MCP65 revision A1 and A2 can't do MSI */
+	if (board_id == board_ahci_mcp65 &&
+	    (pdev->revision == 0xa1 || pdev->revision == 0xa2))
+		hpriv->flags |= AHCI_HFLAG_NO_MSI;
+
 	if ((hpriv->flags & AHCI_HFLAG_NO_MSI) || pci_enable_msi(pdev))
 		pci_intx(pdev, 1);
 

drivers/atm/eni.h

@@ -18,7 +18,6 @@
 #include "midway.h"
 
 
-#define KERNEL_OFFSET	0xC0000000	/* kernel 0x0 is at phys 0xC0000000 */
 #define DEV_LABEL	"eni"
 
 #define UBR_BUFFER	(128*1024)	/* UBR buffer size */

drivers/base/core.c

@@ -762,6 +762,7 @@ static void device_remove_class_symlinks(struct device *dev)
 /**
  * dev_set_name - set a device name
  * @dev: device
+ * @fmt: format string for the device's name
  */
 int dev_set_name(struct device *dev, const char *fmt, ...)
 {

drivers/block/cciss.c

@@ -53,15 +53,16 @@
 #include <linux/scatterlist.h>
 
 #define CCISS_DRIVER_VERSION(maj,min,submin) ((maj<<16)|(min<<8)|(submin))
-#define DRIVER_NAME "HP CISS Driver (v 3.6.14)"
-#define DRIVER_VERSION CCISS_DRIVER_VERSION(3,6,14)
+#define DRIVER_NAME "HP CISS Driver (v 3.6.20)"
+#define DRIVER_VERSION CCISS_DRIVER_VERSION(3, 6, 20)
 
 /* Embedded module documentation macros - see modules.h */
 MODULE_AUTHOR("Hewlett-Packard Company");
-MODULE_DESCRIPTION("Driver for HP Controller SA5xxx SA6xxx version 3.6.14");
+MODULE_DESCRIPTION("Driver for HP Smart Array Controllers");
 MODULE_SUPPORTED_DEVICE("HP SA5i SA5i+ SA532 SA5300 SA5312 SA641 SA642 SA6400"
-			" SA6i P600 P800 P400 P400i E200 E200i E500");
-MODULE_VERSION("3.6.14");
+			" SA6i P600 P800 P400 P400i E200 E200i E500 P700m"
+			" Smart Array G2 Series SAS/SATA Controllers");
+MODULE_VERSION("3.6.20");
 MODULE_LICENSE("GPL");
 
 #include "cciss_cmd.h"
@@ -90,6 +91,11 @@ static const struct pci_device_id cciss_pci_device_id[] = {
 	{PCI_VENDOR_ID_HP,     PCI_DEVICE_ID_HP_CISSD,     0x103C, 0x3215},
 	{PCI_VENDOR_ID_HP,     PCI_DEVICE_ID_HP_CISSC,     0x103C, 0x3237},
 	{PCI_VENDOR_ID_HP,     PCI_DEVICE_ID_HP_CISSC,     0x103C, 0x323D},
+	{PCI_VENDOR_ID_HP,     PCI_DEVICE_ID_HP_CISSE,     0x103C, 0x3241},
+	{PCI_VENDOR_ID_HP,     PCI_DEVICE_ID_HP_CISSE,     0x103C, 0x3243},
+	{PCI_VENDOR_ID_HP,     PCI_DEVICE_ID_HP_CISSE,     0x103C, 0x3245},
+	{PCI_VENDOR_ID_HP,     PCI_DEVICE_ID_HP_CISSE,     0x103C, 0x3247},
+	{PCI_VENDOR_ID_HP,     PCI_DEVICE_ID_HP_CISSE,     0x103C, 0x3249},
 	{PCI_VENDOR_ID_HP,     PCI_ANY_ID,	PCI_ANY_ID, PCI_ANY_ID,
 		PCI_CLASS_STORAGE_RAID << 8, 0xffff << 8, 0},
 	{0,}
@@ -123,6 +129,11 @@ static struct board_type products[] = {
 	{0x3215103C, "Smart Array E200i", &SA5_access, 120},
 	{0x3237103C, "Smart Array E500", &SA5_access, 512},
 	{0x323D103C, "Smart Array P700m", &SA5_access, 512},
+	{0x3241103C, "Smart Array P212", &SA5_access, 384},
+	{0x3243103C, "Smart Array P410", &SA5_access, 384},
+	{0x3245103C, "Smart Array P410i", &SA5_access, 384},
+	{0x3247103C, "Smart Array P411", &SA5_access, 384},
+	{0x3249103C, "Smart Array P812", &SA5_access, 384},
 	{0xFFFF103C, "Unknown Smart Array", &SA5_access, 120},
 };
 

drivers/char/Kconfig

@@ -749,7 +749,7 @@ config NVRAM
 if RTC_LIB=n
 
 config RTC
-	tristate "Enhanced Real Time Clock Support"
+	tristate "Enhanced Real Time Clock Support (legacy PC RTC driver)"
 	depends on !PPC && !PARISC && !IA64 && !M68K && !SPARC && !FRV \
 			&& !ARM && !SUPERH && !S390 && !AVR32
 	---help---
@@ -1036,9 +1036,9 @@ config HPET
 	  non-periodic and/or periodic.
 
 config HPET_RTC_IRQ
-	bool "HPET Control RTC IRQ" if !HPET_EMULATE_RTC
-	default n
-	depends on HPET
+	bool
+	default HPET_EMULATE_RTC
+	depends on RTC && HPET
 	help
 	  If you say Y here, you will disable RTC_IRQ in drivers/char/rtc.c. It
 	  is assumed the platform called hpet_alloc with the RTC IRQ values for

drivers/char/agp/ati-agp.c

@@ -457,6 +457,10 @@ static struct agp_device_ids ati_agp_device_ids[] __devinitdata =
 		.device_id	= PCI_DEVICE_ID_ATI_RS300_200,
 		.chipset_name	= "IGP9100/M",
 	},
+	{
+		.device_id	= PCI_DEVICE_ID_ATI_RS350_133,
+		.chipset_name	= "IGP9000/M",
+	},
 	{
 		.device_id	= PCI_DEVICE_ID_ATI_RS350_200,
 		.chipset_name	= "IGP9100/M",

drivers/char/generic_nvram.c

@@ -133,7 +133,7 @@ static struct miscdevice nvram_dev = {
 
 int __init nvram_init(void)
 {
-	printk(KERN_INFO "Macintosh non-volatile memory driver v%s\n",
+	printk(KERN_INFO "Generic non-volatile memory driver v%s\n",
 		NVRAM_VERSION);
 	return misc_register(&nvram_dev);
 }

drivers/char/hw_random/intel-rng.c

@@ -273,7 +273,7 @@ static int __init intel_rng_hw_init(void *_intel_rng_hw)
 	if (mfc != INTEL_FWH_MANUFACTURER_CODE ||
 	    (dvc != INTEL_FWH_DEVICE_CODE_8M &&
 	     dvc != INTEL_FWH_DEVICE_CODE_4M)) {
-		printk(KERN_ERR PFX "FWH not detected\n");
+		printk(KERN_NOTICE PFX "FWH not detected\n");
 		return -ENODEV;
 	}
 

drivers/char/keyboard.c

@@ -677,12 +677,7 @@ static void k_deadunicode(struct vc_data *vc, unsigned int value, char up_flag)
 
 static void k_self(struct vc_data *vc, unsigned char value, char up_flag)
 {
-	unsigned int uni;
-	if (kbd->kbdmode == VC_UNICODE)
-		uni = value;
-	else
-		uni = conv_8bit_to_uni(value);
-	k_unicode(vc, uni, up_flag);
+	k_unicode(vc, conv_8bit_to_uni(value), up_flag);
 }
 
 static void k_dead2(struct vc_data *vc, unsigned char value, char up_flag)

drivers/cpuidle/cpuidle.c

@@ -38,6 +38,8 @@ static void cpuidle_kick_cpus(void)
 static void cpuidle_kick_cpus(void) {}
 #endif
 
+static int __cpuidle_register_device(struct cpuidle_device *dev);
+
 /**
  * cpuidle_idle_call - the main idle loop
  *
@@ -138,6 +140,12 @@ int cpuidle_enable_device(struct cpuidle_device *dev)
 	if (!dev->state_count)
 		return -EINVAL;
 
+	if (dev->registered == 0) {
+		ret = __cpuidle_register_device(dev);
+		if (ret)
+			return ret;
+	}
+
 	if ((ret = cpuidle_add_state_sysfs(dev)))
 		return ret;
 
@@ -232,10 +240,13 @@ static void poll_idle_init(struct cpuidle_device *dev) {}
 #endif /* CONFIG_ARCH_HAS_CPU_RELAX */
 
 /**
- * cpuidle_register_device - registers a CPU's idle PM feature
+ * __cpuidle_register_device - internal register function called before register
+ * and enable routines
  * @dev: the cpu
+ *
+ * cpuidle_lock mutex must be held before this is called
  */
-int cpuidle_register_device(struct cpuidle_device *dev)
+static int __cpuidle_register_device(struct cpuidle_device *dev)
 {
 	int ret;
 	struct sys_device *sys_dev = get_cpu_sysdev((unsigned long)dev->cpu);
@@ -247,18 +258,34 @@ int cpuidle_register_device(struct cpuidle_device *dev)
 
 	init_completion(&dev->kobj_unregister);
 
-	mutex_lock(&cpuidle_lock);
-
 	poll_idle_init(dev);
 
 	per_cpu(cpuidle_devices, dev->cpu) = dev;
 	list_add(&dev->device_list, &cpuidle_detected_devices);
 	if ((ret = cpuidle_add_sysfs(sys_dev))) {
-		mutex_unlock(&cpuidle_lock);
 		module_put(cpuidle_curr_driver->owner);
 		return ret;
 	}
 
+	dev->registered = 1;
+	return 0;
+}
+
+/**
+ * cpuidle_register_device - registers a CPU's idle PM feature
+ * @dev: the cpu
+ */
+int cpuidle_register_device(struct cpuidle_device *dev)
+{
+	int ret;
+
+	mutex_lock(&cpuidle_lock);
+
+	if ((ret = __cpuidle_register_device(dev))) {
+		mutex_unlock(&cpuidle_lock);
+		return ret;
+	}
+
 	cpuidle_enable_device(dev);
 	cpuidle_install_idle_handler();
 
@@ -278,6 +305,9 @@ void cpuidle_unregister_device(struct cpuidle_device *dev)
 {
 	struct sys_device *sys_dev = get_cpu_sysdev((unsigned long)dev->cpu);
 
+	if (dev->registered == 0)
+		return;
+
 	cpuidle_pause_and_lock();
 
 	cpuidle_disable_device(dev);

drivers/ide/ide-generic.c

@@ -22,6 +22,10 @@
 
 #define DRV_NAME	"ide_generic"
 
+static int probe_mask = 0x03;
+module_param(probe_mask, int, 0);
+MODULE_PARM_DESC(probe_mask, "probe mask for legacy ISA IDE ports");
+
 static ssize_t store_add(struct class *cls, const char *buf, size_t n)
 {
 	ide_hwif_t *hwif;
@@ -89,6 +93,9 @@ static int __init ide_generic_init(void)
 	u8 idx[MAX_HWIFS];
 	int i;
 
+	printk(KERN_INFO DRV_NAME ": please use \"probe_mask=0x3f\" module "
+			 "parameter for probing all legacy ISA IDE ports\n");
+
 	for (i = 0; i < MAX_HWIFS; i++) {
 		ide_hwif_t *hwif;
 		unsigned long io_addr = ide_default_io_base(i);
@@ -96,7 +103,7 @@ static int __init ide_generic_init(void)
 
 		idx[i] = 0xff;
 
-		if (io_addr) {
+		if ((probe_mask & (1 << i)) && io_addr) {
 			if (!request_region(io_addr, 8, DRV_NAME)) {
 				printk(KERN_ERR "%s: I/O resource 0x%lX-0x%lX "
 						"not free.\n",

drivers/ide/legacy/ide-cs.c

@@ -135,13 +135,17 @@ static void ide_detach(struct pcmcia_device *link)
 {
     ide_info_t *info = link->priv;
     ide_hwif_t *hwif = info->hwif;
+    unsigned long data_addr, ctl_addr;
 
     DEBUG(0, "ide_detach(0x%p)\n", link);
 
+    data_addr = hwif->io_ports.data_addr;
+    ctl_addr  = hwif->io_ports.ctl_addr;
+
     ide_release(link);
 
-    release_region(hwif->io_ports.ctl_addr, 1);
-    release_region(hwif->io_ports.data_addr, 8);
+    release_region(ctl_addr, 1);
+    release_region(data_addr, 8);
 
     kfree(info);
 } /* ide_detach */
@@ -194,6 +198,16 @@ static ide_hwif_t *idecs_register(unsigned long io, unsigned long ctl,
     if (hwif->present)
 	return hwif;
 
+    /* retry registration in case device is still spinning up */
+    for (i = 0; i < 10; i++) {
+	msleep(100);
+	ide_port_scan(hwif);
+	if (hwif->present)
+	    return hwif;
+    }
+
+    return hwif;
+
 out_release:
     release_region(ctl, 1);
     release_region(io, 8);
@@ -222,7 +236,7 @@ static int ide_config(struct pcmcia_device *link)
 	cistpl_cftable_entry_t dflt;
     } *stk = NULL;
     cistpl_cftable_entry_t *cfg;
-    int i, pass, last_ret = 0, last_fn = 0, is_kme = 0;
+    int pass, last_ret = 0, last_fn = 0, is_kme = 0;
     unsigned long io_base, ctl_base;
     ide_hwif_t *hwif;
 
@@ -319,30 +333,15 @@ static int ide_config(struct pcmcia_device *link)
     if (is_kme)
 	outb(0x81, ctl_base+1);
 
-    /* retry registration in case device is still spinning up */
-    for (i = 0; i < 10; i++) {
-	hwif = idecs_register(io_base, ctl_base, link->irq.AssignedIRQ, link);
-	if (hwif)
-	    break;
-	if (link->io.NumPorts1 == 0x20) {
+     hwif = idecs_register(io_base, ctl_base, link->irq.AssignedIRQ, link);
+     if (hwif == NULL && link->io.NumPorts1 == 0x20) {
 	    outb(0x02, ctl_base + 0x10);
 	    hwif = idecs_register(io_base + 0x10, ctl_base + 0x10,
 				  link->irq.AssignedIRQ, link);
-	    if (hwif) {
-		io_base += 0x10;
-		ctl_base += 0x10;
-		break;
-	    }
-	}
-	msleep(100);
     }
 
-    if (hwif == NULL) {
-	printk(KERN_NOTICE "ide-cs: ide_register() at 0x%3lx & 0x%3lx"
-	       ", irq %u failed\n", io_base, ctl_base,
-	       link->irq.AssignedIRQ);
+    if (hwif == NULL)
 	goto failed;
-    }
 
     info->ndev = 1;
     sprintf(info->node.dev_name, "hd%c", 'a' + hwif->index * 2);

drivers/ide/pci/opti621.c

@@ -81,8 +81,6 @@
  * 0.5 doesn't work.
  */
 
-#define OPTI621_DEBUG		/* define for debug messages */
-
 #include <linux/types.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
@@ -92,28 +90,6 @@
 
 #include <asm/io.h>
 
-//#define OPTI621_MAX_PIO 3
-/* In fact, I do not have any PIO 4 drive
- * (address: 25 ns, data: 70 ns, recovery: 35 ns),
- * but OPTi 82C621 is programmable and it can do (minimal values):
- * on 40MHz PCI bus (pulse 25 ns):
- *  address: 25 ns, data: 25 ns, recovery: 50 ns;
- * on 20MHz PCI bus (pulse 50 ns):
- *  address: 50 ns, data: 50 ns, recovery: 100 ns.
- */
-
-/* #define READ_PREFETCH 0 */
-/* Uncomment for disable read prefetch.
- * There is some readprefetch capatibility in hdparm,
- * but when I type hdparm -P 1 /dev/hda, I got errors
- * and till reset drive is inaccessible.
- * This (hw) read prefetch is safe on my drive.
- */
-
-#ifndef READ_PREFETCH
-#define READ_PREFETCH 0x40 /* read prefetch is enabled */
-#endif /* else read prefetch is disabled */
-
 #define READ_REG 0	/* index of Read cycle timing register */
 #define WRITE_REG 1	/* index of Write cycle timing register */
 #define CNTRL_REG 3	/* index of Control register */
@@ -122,51 +98,8 @@
 
 static int reg_base;
 
-#define PIO_NOT_EXIST 254
-#define PIO_DONT_KNOW 255
-
 static DEFINE_SPINLOCK(opti621_lock);
 
-/* there are stored pio numbers from other calls of opti621_set_pio_mode */
-static void compute_pios(ide_drive_t *drive, const u8 pio)
-/* Store values into drive->drive_data
- *	second_contr - 0 for primary controller, 1 for secondary
- *	slave_drive - 0 -> pio is for master, 1 -> pio is for slave
- *	pio - PIO mode for selected drive (for other we don't know)
- */
-{
-	int d;
-	ide_hwif_t *hwif = HWIF(drive);
-
-	drive->drive_data = pio;
-
-	for (d = 0; d < 2; ++d) {
-		drive = &hwif->drives[d];
-		if (drive->present) {
-			if (drive->drive_data == PIO_DONT_KNOW)
-				drive->drive_data = ide_get_best_pio_mode(drive, 255, 3);
-#ifdef OPTI621_DEBUG
-			printk("%s: Selected PIO mode %d\n",
-				drive->name, drive->drive_data);
-#endif
-		} else {
-			drive->drive_data = PIO_NOT_EXIST;
-		}
-	}
-}
-
-static int cmpt_clk(int time, int bus_speed)
-/* Returns (rounded up) time in clocks for time in ns,
- * with bus_speed in MHz.
- * Example: bus_speed = 40 MHz, time = 80 ns
- * 1000/40 = 25 ns (clk value),
- * 80/25 = 3.2, rounded up to 4 (I hope ;-)).
- * Use idebus=xx to select right frequency.
- */
-{
-	return ((time*bus_speed+999)/1000);
-}
-
 /* Write value to register reg, base of register
  * is at reg_base (0x1f0 primary, 0x170 secondary,
  * if not changed by PCI configuration).
@@ -199,83 +132,29 @@ static u8 read_reg(int reg)
 	return ret;
 }
 
-typedef struct pio_clocks_s {
-	int	address_time;	/* Address setup (clocks) */
-	int	data_time;	/* Active/data pulse (clocks) */
-	int	recovery_time;	/* Recovery time (clocks) */
-} pio_clocks_t;
-
-static void compute_clocks(int pio, pio_clocks_t *clks)
-{
-	if (pio != PIO_NOT_EXIST) {
-		int adr_setup, data_pls;
-		int bus_speed = ide_pci_clk ? ide_pci_clk : system_bus_clock();
-
-		adr_setup = ide_pio_timings[pio].setup_time;
-		data_pls = ide_pio_timings[pio].active_time;
-		clks->address_time = cmpt_clk(adr_setup, bus_speed);
-		clks->data_time = cmpt_clk(data_pls, bus_speed);
-		clks->recovery_time = cmpt_clk(ide_pio_timings[pio].cycle_time
-			- adr_setup-data_pls, bus_speed);
-		if (clks->address_time < 1)
-			clks->address_time = 1;
-		if (clks->address_time > 4)
-			clks->address_time = 4;
-		if (clks->data_time < 1)
-			clks->data_time = 1;
-		if (clks->data_time > 16)
-			clks->data_time = 16;
-		if (clks->recovery_time < 2)
-			clks->recovery_time = 2;
-		if (clks->recovery_time > 17)
-			clks->recovery_time = 17;
-	} else {
-		clks->address_time = 1;
-		clks->data_time = 1;
-		clks->recovery_time = 2;
-		/* minimal values */
-	}
-}
-
 static void opti621_set_pio_mode(ide_drive_t *drive, const u8 pio)
 {
-	/* primary and secondary drives share some registers,
-	 * so we have to program both drives
-	 */
+	ide_hwif_t *hwif = drive->hwif;
+	ide_drive_t *pair = ide_get_paired_drive(drive);
 	unsigned long flags;
-	u8 pio1 = 0, pio2 = 0;
-	pio_clocks_t first, second;
-	int ax, drdy;
-	u8 cycle1, cycle2, misc;
-	ide_hwif_t *hwif = HWIF(drive);
-
-	/* sets drive->drive_data for both drives */
-	compute_pios(drive, pio);
-	pio1 = hwif->drives[0].drive_data;
-	pio2 = hwif->drives[1].drive_data;
-
-	compute_clocks(pio1, &first);
-	compute_clocks(pio2, &second);
-
-	/* ax = max(a1,a2) */
-	ax = (first.address_time < second.address_time) ? second.address_time : first.address_time;
-
-	drdy = 2; /* DRDY is default 2 (by OPTi Databook) */
-
-	cycle1 = ((first.data_time-1)<<4)  | (first.recovery_time-2);
-	cycle2 = ((second.data_time-1)<<4) | (second.recovery_time-2);
-	misc = READ_PREFETCH | ((ax-1)<<4) | ((drdy-2)<<1);
-
-#ifdef OPTI621_DEBUG
-	printk("%s: master: address: %d, data: %d, "
-		"recovery: %d, drdy: %d [clk]\n",
-		hwif->name, ax, first.data_time,
-		first.recovery_time, drdy);
-	printk("%s: slave:  address: %d, data: %d, "
-		"recovery: %d, drdy: %d [clk]\n",
-		hwif->name, ax, second.data_time,
-		second.recovery_time, drdy);
-#endif
+	u8 tim, misc, addr_pio = pio, clk;
+
+	/* DRDY is default 2 (by OPTi Databook) */
+	static const u8 addr_timings[2][5] = {
+		{ 0x20, 0x10, 0x00, 0x00, 0x00 },	/* 33 MHz */
+		{ 0x10, 0x10, 0x00, 0x00, 0x00 },	/* 25 MHz */
+	};
+	static const u8 data_rec_timings[2][5] = {
+		{ 0x5b, 0x45, 0x32, 0x21, 0x20 },	/* 33 MHz */
+		{ 0x48, 0x34, 0x21, 0x10, 0x10 }	/* 25 MHz */
+	};
+
+	drive->drive_data = XFER_PIO_0 + pio;
+
+	if (pair->present) {
+		if (pair->drive_data && pair->drive_data < drive->drive_data)
+			addr_pio = pair->drive_data - XFER_PIO_0;
+	}
 
 	spin_lock_irqsave(&opti621_lock, flags);
 
@@ -289,24 +168,21 @@ static void opti621_set_pio_mode(ide_drive_t *drive, const u8 pio)
 	(void)inb(reg_base + CNTRL_REG);
 	/* if reads 0xc0, no interface exist? */
 	read_reg(CNTRL_REG);
-	/* read version, probably 0 */
-	read_reg(STRAP_REG);
 
-	/* program primary drive */
-	/* select Index-0 for Register-A */
-	write_reg(0, MISC_REG);
-	/* set read cycle timings */
-	write_reg(cycle1, READ_REG);
-	/* set write cycle timings */
-	write_reg(cycle1, WRITE_REG);
+	/* check CLK speed */
+	clk = read_reg(STRAP_REG) & 1;
+
+	printk(KERN_INFO "%s: CLK = %d MHz\n", hwif->name, clk ? 25 : 33);
 
-	/* program secondary drive */
-	/* select Index-1 for Register-B */
-	write_reg(1, MISC_REG);
+	tim  = data_rec_timings[clk][pio];
+	misc = addr_timings[clk][addr_pio];
+
+	/* select Index-0/1 for Register-A/B */
+	write_reg(drive->select.b.unit, MISC_REG);
 	/* set read cycle timings */
-	write_reg(cycle2, READ_REG);
+	write_reg(tim, READ_REG);
 	/* set write cycle timings */
-	write_reg(cycle2, WRITE_REG);
+	write_reg(tim, WRITE_REG);
 
 	/* use Register-A for drive 0 */
 	/* use Register-B for drive 1 */
@@ -319,45 +195,26 @@ static void opti621_set_pio_mode(ide_drive_t *drive, const u8 pio)
 	spin_unlock_irqrestore(&opti621_lock, flags);
 }
 
-static void __devinit opti621_port_init_devs(ide_hwif_t *hwif)
-{
-	hwif->drives[0].drive_data = PIO_DONT_KNOW;
-	hwif->drives[1].drive_data = PIO_DONT_KNOW;
-}
-
 static const struct ide_port_ops opti621_port_ops = {
-	.port_init_devs		= opti621_port_init_devs,
 	.set_pio_mode		= opti621_set_pio_mode,
 };
 
-static const struct ide_port_info opti621_chipsets[] __devinitdata = {
-	{	/* 0 */
-		.name		= "OPTI621",
-		.enablebits	= { {0x45, 0x80, 0x00}, {0x40, 0x08, 0x00} },
-		.port_ops	= &opti621_port_ops,
-		.host_flags	= IDE_HFLAG_TRUST_BIOS_FOR_DMA,
-		.pio_mask	= ATA_PIO3,
-		.swdma_mask	= ATA_SWDMA2,
-		.mwdma_mask	= ATA_MWDMA2,
-	}, {	/* 1 */
-		.name		= "OPTI621X",
-		.enablebits	= { {0x45, 0x80, 0x00}, {0x40, 0x08, 0x00} },
-		.port_ops	= &opti621_port_ops,
-		.host_flags	= IDE_HFLAG_TRUST_BIOS_FOR_DMA,
-		.pio_mask	= ATA_PIO3,
-		.swdma_mask	= ATA_SWDMA2,
-		.mwdma_mask	= ATA_MWDMA2,
-	}
+static const struct ide_port_info opti621_chipset __devinitdata = {
+	.name		= "OPTI621/X",
+	.enablebits	= { {0x45, 0x80, 0x00}, {0x40, 0x08, 0x00} },
+	.port_ops	= &opti621_port_ops,
+	.host_flags	= IDE_HFLAG_NO_DMA,
+	.pio_mask	= ATA_PIO4,
 };
 
 static int __devinit opti621_init_one(struct pci_dev *dev, const struct pci_device_id *id)
 {
-	return ide_setup_pci_device(dev, &opti621_chipsets[id->driver_data]);
+	return ide_setup_pci_device(dev, &opti621_chipset);
 }
 
 static const struct pci_device_id opti621_pci_tbl[] = {
 	{ PCI_VDEVICE(OPTI, PCI_DEVICE_ID_OPTI_82C621), 0 },
-	{ PCI_VDEVICE(OPTI, PCI_DEVICE_ID_OPTI_82C825), 1 },
+	{ PCI_VDEVICE(OPTI, PCI_DEVICE_ID_OPTI_82C825), 0 },
 	{ 0, },
 };
 MODULE_DEVICE_TABLE(pci, opti621_pci_tbl);

drivers/ide/ppc/pmac.c

@@ -59,7 +59,6 @@ typedef struct pmac_ide_hwif {
 	int				irq;
 	int				kind;
 	int				aapl_bus_id;
-	unsigned			cable_80 : 1;
 	unsigned			mediabay : 1;
 	unsigned			broken_dma : 1;
 	unsigned			broken_dma_warn : 1;
@@ -918,10 +917,40 @@ pmac_ide_do_resume(ide_hwif_t *hwif)
 	return 0;
 }
 
+static u8 pmac_ide_cable_detect(ide_hwif_t *hwif)
+{
+	pmac_ide_hwif_t *pmif = (pmac_ide_hwif_t *)ide_get_hwifdata(hwif);
+	struct device_node *np = pmif->node;
+	const char *cable = of_get_property(np, "cable-type", NULL);
+
+	/* Get cable type from device-tree. */
+	if (cable && !strncmp(cable, "80-", 3))
+		return ATA_CBL_PATA80;
+
+	/*
+	 * G5's seem to have incorrect cable type in device-tree.
+	 * Let's assume they have a 80 conductor cable, this seem
+	 * to be always the case unless the user mucked around.
+	 */
+	if (of_device_is_compatible(np, "K2-UATA") ||
+	    of_device_is_compatible(np, "shasta-ata"))
+		return ATA_CBL_PATA80;
+
+	return ATA_CBL_PATA40;
+}
+
 static const struct ide_port_ops pmac_ide_ata6_port_ops = {
 	.set_pio_mode		= pmac_ide_set_pio_mode,
 	.set_dma_mode		= pmac_ide_set_dma_mode,
 	.selectproc		= pmac_ide_kauai_selectproc,
+	.cable_detect		= pmac_ide_cable_detect,
+};
+
+static const struct ide_port_ops pmac_ide_ata4_port_ops = {
+	.set_pio_mode		= pmac_ide_set_pio_mode,
+	.set_dma_mode		= pmac_ide_set_dma_mode,
+	.selectproc		= pmac_ide_selectproc,
+	.cable_detect		= pmac_ide_cable_detect,
 };
 
 static const struct ide_port_ops pmac_ide_port_ops = {
@@ -949,10 +978,7 @@ static const struct ide_port_info pmac_port_info = {
 
 /*
  * Setup, register & probe an IDE channel driven by this driver, this is
- * called by one of the 2 probe functions (macio or PCI). Note that a channel
- * that ends up beeing free of any device is not kept around by this driver
- * (it is kept in 2.4). This introduce an interface numbering change on some
- * rare machines unfortunately, but it's better this way.
+ * called by one of the 2 probe functions (macio or PCI).
  */
 static int __devinit
 pmac_ide_setup_device(pmac_ide_hwif_t *pmif, ide_hwif_t *hwif, hw_regs_t *hw)
@@ -962,7 +988,6 @@ pmac_ide_setup_device(pmac_ide_hwif_t *pmif, ide_hwif_t *hwif, hw_regs_t *hw)
 	u8 idx[4] = { 0xff, 0xff, 0xff, 0xff };
 	struct ide_port_info d = pmac_port_info;
 
-	pmif->cable_80 = 0;
 	pmif->broken_dma = pmif->broken_dma_warn = 0;
 	if (of_device_is_compatible(np, "shasta-ata")) {
 		pmif->kind = controller_sh_ata6;
@@ -979,6 +1004,7 @@ pmac_ide_setup_device(pmac_ide_hwif_t *pmif, ide_hwif_t *hwif, hw_regs_t *hw)
 	} else if (of_device_is_compatible(np, "keylargo-ata")) {
 		if (strcmp(np->name, "ata-4") == 0) {
 			pmif->kind = controller_kl_ata4;
+			d.port_ops = &pmac_ide_ata4_port_ops;
 			d.udma_mask = ATA_UDMA4;
 		} else
 			pmif->kind = controller_kl_ata3;
@@ -992,22 +1018,6 @@ pmac_ide_setup_device(pmac_ide_hwif_t *pmif, ide_hwif_t *hwif, hw_regs_t *hw)
 	bidp = of_get_property(np, "AAPL,bus-id", NULL);
 	pmif->aapl_bus_id =  bidp ? *bidp : 0;
 
-	/* Get cable type from device-tree */
-	if (pmif->kind == controller_kl_ata4 || pmif->kind == controller_un_ata6
-	    || pmif->kind == controller_k2_ata6
-	    || pmif->kind == controller_sh_ata6) {
-		const char* cable = of_get_property(np, "cable-type", NULL);
-		if (cable && !strncmp(cable, "80-", 3))
-			pmif->cable_80 = 1;
-	}
-	/* G5's seem to have incorrect cable type in device-tree. Let's assume
-	 * they have a 80 conductor cable, this seem to be always the case unless
-	 * the user mucked around
-	 */
-	if (of_device_is_compatible(np, "K2-UATA") ||
-	    of_device_is_compatible(np, "shasta-ata"))
-		pmif->cable_80 = 1;
-
 	/* On Kauai-type controllers, we make sure the FCR is correct */
 	if (pmif->kauai_fcr)
 		writel(KAUAI_FCR_UATA_MAGIC |
@@ -1053,7 +1063,6 @@ pmac_ide_setup_device(pmac_ide_hwif_t *pmif, ide_hwif_t *hwif, hw_regs_t *hw)
 
 	hwif->hwif_data = pmif;
 	ide_init_port_hw(hwif, hw);
-	hwif->cbl = pmif->cable_80 ? ATA_CBL_PATA80 : ATA_CBL_PATA40;
 
 	printk(KERN_INFO "ide%d: Found Apple %s controller, bus ID %d%s, irq %d\n",
 	       hwif->index, model_name[pmif->kind], pmif->aapl_bus_id,
@@ -1070,11 +1079,6 @@ pmac_ide_setup_device(pmac_ide_hwif_t *pmif, ide_hwif_t *hwif, hw_regs_t *hw)
 		}
 	}
 
-#ifdef CONFIG_BLK_DEV_IDEDMA_PMAC
-	if (pmif->cable_80 == 0)
-		d.udma_mask &= ATA_UDMA2;
-#endif
-
 	idx[0] = hwif->index;
 
 	ide_device_add(idx, &d);

drivers/isdn/hardware/eicon/divasmain.c

@@ -806,7 +806,6 @@ static int DIVA_INIT_FUNCTION divas_init(void)
 
 	if (!create_divas_proc()) {
 #ifdef MODULE
-		remove_divas_proc();
 		divas_unregister_chrdev();
 		divasfunc_exit();
 #endif

drivers/isdn/hardware/eicon/divasproc.c

@@ -125,8 +125,8 @@ static const struct file_operations divas_fops = {
 
 int create_divas_proc(void)
 {
-	proc_create(divas_proc_name, S_IFREG | S_IRUGO, proc_net_eicon,
-		    &divas_fops);
+	divas_proc_entry = proc_create(divas_proc_name, S_IFREG | S_IRUGO,
+					proc_net_eicon, &divas_fops);
 	if (!divas_proc_entry)
 		return (0);
 

drivers/isdn/hysdn/hysdn_procconf.c

@@ -207,30 +207,17 @@ hysdn_conf_write(struct file *file, const char __user *buf, size_t count, loff_t
 /* read conf file -> output card info data */
 /*******************************************/
 static ssize_t
-hysdn_conf_read(struct file *file, char __user *buf, size_t count, loff_t * off)
+hysdn_conf_read(struct file *file, char __user *buf, size_t count, loff_t *off)
 {
 	char *cp;
-	int i;
 
-	if (file->f_mode & FMODE_READ) {
-		if (!(cp = file->private_data))
-			return (-EFAULT);	/* should never happen */
-		i = strlen(cp);	/* get total string length */
-		if (*off < i) {
-			/* still bytes to transfer */
-			cp += *off;	/* point to desired data offset */
-			i -= *off;	/* remaining length */
-			if (i > count)
-				i = count;	/* limit length to transfer */
-			if (copy_to_user(buf, cp, i))
-				return (-EFAULT);	/* copy error */
-			*off += i;	/* adjust offset */
-		} else
-			return (0);
-	} else
-		return (-EPERM);	/* no permission to read */
-
-	return (i);
+	if (!(file->f_mode & FMODE_READ))
+		return -EPERM;	/* no permission to read */
+
+	if (!(cp = file->private_data))
+		return -EFAULT;	/* should never happen */
+
+	return simple_read_from_buffer(buf, count, off, cp, strlen(cp));
 }				/* hysdn_conf_read */
 
 /******************/

drivers/isdn/sc/ioctl.c

@@ -226,6 +226,7 @@ int sc_ioctl(int card, scs_ioctl *data)
 		 */
 		if (copy_from_user(spid, data->dataptr, SCIOC_SPIDSIZE)) {
 			kfree(rcvmsg);
+			kfree(spid);
 			return -EFAULT;
 		}
 

drivers/macintosh/mediabay.c

@@ -556,7 +556,8 @@ static void media_bay_step(int i)
 				printk("mediabay %d, registering IDE...\n", i);
 				pmu_suspend();
 				ide_port_scan(bay->cd_port);
-				bay->cd_index = bay->cd_port->index;
+				if (bay->cd_port->present)
+					bay->cd_index = bay->cd_port->index;
 				pmu_resume();
 			}
 			if (bay->cd_index == -1) {

drivers/misc/thinkpad_acpi.c

@@ -1293,7 +1293,7 @@ static void tpacpi_input_send_radiosw(void)
 		mutex_lock(&tpacpi_inputdev_send_mutex);
 
 		input_report_switch(tpacpi_inputdev,
-				    SW_RADIO, !!wlsw);
+				    SW_RFKILL_ALL, !!wlsw);
 		input_sync(tpacpi_inputdev);
 
 		mutex_unlock(&tpacpi_inputdev_send_mutex);
@@ -1921,6 +1921,29 @@ static struct attribute *hotkey_mask_attributes[] __initdata = {
 	&dev_attr_hotkey_wakeup_hotunplug_complete.attr,
 };
 
+static void hotkey_exit(void)
+{
+#ifdef CONFIG_THINKPAD_ACPI_HOTKEY_POLL
+	hotkey_poll_stop_sync();
+#endif
+
+	if (hotkey_dev_attributes)
+		delete_attr_set(hotkey_dev_attributes, &tpacpi_pdev->dev.kobj);
+
+	kfree(hotkey_keycode_map);
+
+	if (tp_features.hotkey) {
+		dbg_printk(TPACPI_DBG_EXIT,
+			   "restoring original hot key mask\n");
+		/* no short-circuit boolean operator below! */
+		if ((hotkey_mask_set(hotkey_orig_mask) |
+		     hotkey_status_set(hotkey_orig_status)) != 0)
+			printk(TPACPI_ERR
+			       "failed to restore hot key mask "
+			       "to BIOS defaults\n");
+	}
+}
+
 static int __init hotkey_init(struct ibm_init_struct *iibm)
 {
 	/* Requirements for changing the default keymaps:
@@ -2060,226 +2083,220 @@ static int __init hotkey_init(struct ibm_init_struct *iibm)
 	vdbg_printk(TPACPI_DBG_INIT, "hotkeys are %s\n",
 		str_supported(tp_features.hotkey));
 
-	if (tp_features.hotkey) {
-		hotkey_dev_attributes = create_attr_set(13, NULL);
-		if (!hotkey_dev_attributes)
-			return -ENOMEM;
-		res = add_many_to_attr_set(hotkey_dev_attributes,
-				hotkey_attributes,
-				ARRAY_SIZE(hotkey_attributes));
-		if (res)
-			return res;
+	if (!tp_features.hotkey)
+		return 1;
 
-		/* mask not supported on 570, 600e/x, 770e, 770x, A21e, A2xm/p,
-		   A30, R30, R31, T20-22, X20-21, X22-24.  Detected by checking
-		   for HKEY interface version 0x100 */
-		if (acpi_evalf(hkey_handle, &hkeyv, "MHKV", "qd")) {
-			if ((hkeyv >> 8) != 1) {
-				printk(TPACPI_ERR "unknown version of the "
-				       "HKEY interface: 0x%x\n", hkeyv);
-				printk(TPACPI_ERR "please report this to %s\n",
-				       TPACPI_MAIL);
-			} else {
-				/*
-				 * MHKV 0x100 in A31, R40, R40e,
-				 * T4x, X31, and later
-				 */
-				tp_features.hotkey_mask = 1;
-			}
+	hotkey_dev_attributes = create_attr_set(13, NULL);
+	if (!hotkey_dev_attributes)
+		return -ENOMEM;
+	res = add_many_to_attr_set(hotkey_dev_attributes,
+			hotkey_attributes,
+			ARRAY_SIZE(hotkey_attributes));
+	if (res)
+		goto err_exit;
+
+	/* mask not supported on 570, 600e/x, 770e, 770x, A21e, A2xm/p,
+	   A30, R30, R31, T20-22, X20-21, X22-24.  Detected by checking
+	   for HKEY interface version 0x100 */
+	if (acpi_evalf(hkey_handle, &hkeyv, "MHKV", "qd")) {
+		if ((hkeyv >> 8) != 1) {
+			printk(TPACPI_ERR "unknown version of the "
+			       "HKEY interface: 0x%x\n", hkeyv);
+			printk(TPACPI_ERR "please report this to %s\n",
+			       TPACPI_MAIL);
+		} else {
+			/*
+			 * MHKV 0x100 in A31, R40, R40e,
+			 * T4x, X31, and later
+			 */
+			tp_features.hotkey_mask = 1;
 		}
+	}
 
-		vdbg_printk(TPACPI_DBG_INIT, "hotkey masks are %s\n",
-			str_supported(tp_features.hotkey_mask));
+	vdbg_printk(TPACPI_DBG_INIT, "hotkey masks are %s\n",
+		str_supported(tp_features.hotkey_mask));
 
-		if (tp_features.hotkey_mask) {
-			if (!acpi_evalf(hkey_handle, &hotkey_all_mask,
-					"MHKA", "qd")) {
-				printk(TPACPI_ERR
-				       "missing MHKA handler, "
-				       "please report this to %s\n",
-				       TPACPI_MAIL);
-				/* FN+F12, FN+F4, FN+F3 */
-				hotkey_all_mask = 0x080cU;
-			}
+	if (tp_features.hotkey_mask) {
+		if (!acpi_evalf(hkey_handle, &hotkey_all_mask,
+				"MHKA", "qd")) {
+			printk(TPACPI_ERR
+			       "missing MHKA handler, "
+			       "please report this to %s\n",
+			       TPACPI_MAIL);
+			/* FN+F12, FN+F4, FN+F3 */
+			hotkey_all_mask = 0x080cU;
 		}
+	}
 
-		/* hotkey_source_mask *must* be zero for
-		 * the first hotkey_mask_get */
-		res = hotkey_status_get(&hotkey_orig_status);
-		if (!res && tp_features.hotkey_mask) {
-			res = hotkey_mask_get();
-			hotkey_orig_mask = hotkey_mask;
-			if (!res) {
-				res = add_many_to_attr_set(
-					hotkey_dev_attributes,
-					hotkey_mask_attributes,
-					ARRAY_SIZE(hotkey_mask_attributes));
-			}
-		}
+	/* hotkey_source_mask *must* be zero for
+	 * the first hotkey_mask_get */
+	res = hotkey_status_get(&hotkey_orig_status);
+	if (res)
+		goto err_exit;
+
+	if (tp_features.hotkey_mask) {
+		res = hotkey_mask_get();
+		if (res)
+			goto err_exit;
+
+		hotkey_orig_mask = hotkey_mask;
+		res = add_many_to_attr_set(
+				hotkey_dev_attributes,
+				hotkey_mask_attributes,
+				ARRAY_SIZE(hotkey_mask_attributes));
+		if (res)
+			goto err_exit;
+	}
 
 #ifdef CONFIG_THINKPAD_ACPI_HOTKEY_POLL
-		if (tp_features.hotkey_mask) {
-			hotkey_source_mask = TPACPI_HKEY_NVRAM_GOOD_MASK
-						& ~hotkey_all_mask;
-		} else {
-			hotkey_source_mask = TPACPI_HKEY_NVRAM_GOOD_MASK;
-		}
+	if (tp_features.hotkey_mask) {
+		hotkey_source_mask = TPACPI_HKEY_NVRAM_GOOD_MASK
+					& ~hotkey_all_mask;
+	} else {
+		hotkey_source_mask = TPACPI_HKEY_NVRAM_GOOD_MASK;
+	}
 
-		vdbg_printk(TPACPI_DBG_INIT,
-			    "hotkey source mask 0x%08x, polling freq %d\n",
-			    hotkey_source_mask, hotkey_poll_freq);
+	vdbg_printk(TPACPI_DBG_INIT,
+		    "hotkey source mask 0x%08x, polling freq %d\n",
+		    hotkey_source_mask, hotkey_poll_freq);
 #endif
 
-		/* Not all thinkpads have a hardware radio switch */
-		if (!res && acpi_evalf(hkey_handle, &status, "WLSW", "qd")) {
-			tp_features.hotkey_wlsw = 1;
-			printk(TPACPI_INFO
-				"radio switch found; radios are %s\n",
-				enabled(status, 0));
-			res = add_to_attr_set(hotkey_dev_attributes,
-					&dev_attr_hotkey_radio_sw.attr);
-		}
+	/* Not all thinkpads have a hardware radio switch */
+	if (acpi_evalf(hkey_handle, &status, "WLSW", "qd")) {
+		tp_features.hotkey_wlsw = 1;
+		printk(TPACPI_INFO
+			"radio switch found; radios are %s\n",
+			enabled(status, 0));
+		res = add_to_attr_set(hotkey_dev_attributes,
+				&dev_attr_hotkey_radio_sw.attr);
+	}
 
-		/* For X41t, X60t, X61t Tablets... */
-		if (!res && acpi_evalf(hkey_handle, &status, "MHKG", "qd")) {
-			tp_features.hotkey_tablet = 1;
-			printk(TPACPI_INFO
-				"possible tablet mode switch found; "
-				"ThinkPad in %s mode\n",
-				(status & TP_HOTKEY_TABLET_MASK)?
-					"tablet" : "laptop");
-			res = add_to_attr_set(hotkey_dev_attributes,
-					&dev_attr_hotkey_tablet_mode.attr);
-		}
+	/* For X41t, X60t, X61t Tablets... */
+	if (!res && acpi_evalf(hkey_handle, &status, "MHKG", "qd")) {
+		tp_features.hotkey_tablet = 1;
+		printk(TPACPI_INFO
+			"possible tablet mode switch found; "
+			"ThinkPad in %s mode\n",
+			(status & TP_HOTKEY_TABLET_MASK)?
+				"tablet" : "laptop");
+		res = add_to_attr_set(hotkey_dev_attributes,
+				&dev_attr_hotkey_tablet_mode.attr);
+	}
 
-		if (!res)
-			res = register_attr_set_with_sysfs(
-					hotkey_dev_attributes,
-					&tpacpi_pdev->dev.kobj);
-		if (res)
-			return res;
+	if (!res)
+		res = register_attr_set_with_sysfs(
+				hotkey_dev_attributes,
+				&tpacpi_pdev->dev.kobj);
+	if (res)
+		goto err_exit;
 
-		/* Set up key map */
+	/* Set up key map */
 
-		hotkey_keycode_map = kmalloc(TPACPI_HOTKEY_MAP_SIZE,
-						GFP_KERNEL);
-		if (!hotkey_keycode_map) {
-			printk(TPACPI_ERR
-				"failed to allocate memory for key map\n");
-			return -ENOMEM;
-		}
+	hotkey_keycode_map = kmalloc(TPACPI_HOTKEY_MAP_SIZE,
+					GFP_KERNEL);
+	if (!hotkey_keycode_map) {
+		printk(TPACPI_ERR
+			"failed to allocate memory for key map\n");
+		res = -ENOMEM;
+		goto err_exit;
+	}
 
-		if (thinkpad_id.vendor == PCI_VENDOR_ID_LENOVO) {
-			dbg_printk(TPACPI_DBG_INIT,
-				   "using Lenovo default hot key map\n");
-			memcpy(hotkey_keycode_map, &lenovo_keycode_map,
-				TPACPI_HOTKEY_MAP_SIZE);
+	if (thinkpad_id.vendor == PCI_VENDOR_ID_LENOVO) {
+		dbg_printk(TPACPI_DBG_INIT,
+			   "using Lenovo default hot key map\n");
+		memcpy(hotkey_keycode_map, &lenovo_keycode_map,
+			TPACPI_HOTKEY_MAP_SIZE);
+	} else {
+		dbg_printk(TPACPI_DBG_INIT,
+			   "using IBM default hot key map\n");
+		memcpy(hotkey_keycode_map, &ibm_keycode_map,
+			TPACPI_HOTKEY_MAP_SIZE);
+	}
+
+	set_bit(EV_KEY, tpacpi_inputdev->evbit);
+	set_bit(EV_MSC, tpacpi_inputdev->evbit);
+	set_bit(MSC_SCAN, tpacpi_inputdev->mscbit);
+	tpacpi_inputdev->keycodesize = TPACPI_HOTKEY_MAP_TYPESIZE;
+	tpacpi_inputdev->keycodemax = TPACPI_HOTKEY_MAP_LEN;
+	tpacpi_inputdev->keycode = hotkey_keycode_map;
+	for (i = 0; i < TPACPI_HOTKEY_MAP_LEN; i++) {
+		if (hotkey_keycode_map[i] != KEY_RESERVED) {
+			set_bit(hotkey_keycode_map[i],
+				tpacpi_inputdev->keybit);
 		} else {
-			dbg_printk(TPACPI_DBG_INIT,
-				   "using IBM default hot key map\n");
-			memcpy(hotkey_keycode_map, &ibm_keycode_map,
-				TPACPI_HOTKEY_MAP_SIZE);
-		}
-
-		set_bit(EV_KEY, tpacpi_inputdev->evbit);
-		set_bit(EV_MSC, tpacpi_inputdev->evbit);
-		set_bit(MSC_SCAN, tpacpi_inputdev->mscbit);
-		tpacpi_inputdev->keycodesize = TPACPI_HOTKEY_MAP_TYPESIZE;
-		tpacpi_inputdev->keycodemax = TPACPI_HOTKEY_MAP_LEN;
-		tpacpi_inputdev->keycode = hotkey_keycode_map;
-		for (i = 0; i < TPACPI_HOTKEY_MAP_LEN; i++) {
-			if (hotkey_keycode_map[i] != KEY_RESERVED) {
-				set_bit(hotkey_keycode_map[i],
-					tpacpi_inputdev->keybit);
-			} else {
-				if (i < sizeof(hotkey_reserved_mask)*8)
-					hotkey_reserved_mask |= 1 << i;
-			}
-		}
-
-		if (tp_features.hotkey_wlsw) {
-			set_bit(EV_SW, tpacpi_inputdev->evbit);
-			set_bit(SW_RADIO, tpacpi_inputdev->swbit);
-		}
-		if (tp_features.hotkey_tablet) {
-			set_bit(EV_SW, tpacpi_inputdev->evbit);
-			set_bit(SW_TABLET_MODE, tpacpi_inputdev->swbit);
+			if (i < sizeof(hotkey_reserved_mask)*8)
+				hotkey_reserved_mask |= 1 << i;
 		}
+	}
 
-		/* Do not issue duplicate brightness change events to
-		 * userspace */
-		if (!tp_features.bright_acpimode)
-			/* update bright_acpimode... */
-			tpacpi_check_std_acpi_brightness_support();
-
-		if (tp_features.bright_acpimode) {
-			printk(TPACPI_INFO
-			       "This ThinkPad has standard ACPI backlight "
-			       "brightness control, supported by the ACPI "
-			       "video driver\n");
-			printk(TPACPI_NOTICE
-			       "Disabling thinkpad-acpi brightness events "
-			       "by default...\n");
-
-			/* The hotkey_reserved_mask change below is not
-			 * necessary while the keys are at KEY_RESERVED in the
-			 * default map, but better safe than sorry, leave it
-			 * here as a marker of what we have to do, especially
-			 * when we finally become able to set this at runtime
-			 * on response to X.org requests */
-			hotkey_reserved_mask |=
-				(1 << TP_ACPI_HOTKEYSCAN_FNHOME)
-				| (1 << TP_ACPI_HOTKEYSCAN_FNEND);
-		}
+	if (tp_features.hotkey_wlsw) {
+		set_bit(EV_SW, tpacpi_inputdev->evbit);
+		set_bit(SW_RFKILL_ALL, tpacpi_inputdev->swbit);
+	}
+	if (tp_features.hotkey_tablet) {
+		set_bit(EV_SW, tpacpi_inputdev->evbit);
+		set_bit(SW_TABLET_MODE, tpacpi_inputdev->swbit);
+	}
 
-		dbg_printk(TPACPI_DBG_INIT,
-				"enabling hot key handling\n");
-		res = hotkey_status_set(1);
-		if (res)
-			return res;
-		res = hotkey_mask_set(((hotkey_all_mask | hotkey_source_mask)
-					& ~hotkey_reserved_mask)
-					| hotkey_orig_mask);
-		if (res < 0 && res != -ENXIO)
-			return res;
+	/* Do not issue duplicate brightness change events to
+	 * userspace */
+	if (!tp_features.bright_acpimode)
+		/* update bright_acpimode... */
+		tpacpi_check_std_acpi_brightness_support();
 
-		dbg_printk(TPACPI_DBG_INIT,
-				"legacy hot key reporting over procfs %s\n",
-				(hotkey_report_mode < 2) ?
-					"enabled" : "disabled");
+	if (tp_features.bright_acpimode) {
+		printk(TPACPI_INFO
+		       "This ThinkPad has standard ACPI backlight "
+		       "brightness control, supported by the ACPI "
+		       "video driver\n");
+		printk(TPACPI_NOTICE
+		       "Disabling thinkpad-acpi brightness events "
+		       "by default...\n");
+
+		/* The hotkey_reserved_mask change below is not
+		 * necessary while the keys are at KEY_RESERVED in the
+		 * default map, but better safe than sorry, leave it
+		 * here as a marker of what we have to do, especially
+		 * when we finally become able to set this at runtime
+		 * on response to X.org requests */
+		hotkey_reserved_mask |=
+			(1 << TP_ACPI_HOTKEYSCAN_FNHOME)
+			| (1 << TP_ACPI_HOTKEYSCAN_FNEND);
+	}
+
+	dbg_printk(TPACPI_DBG_INIT, "enabling hot key handling\n");
+	res = hotkey_status_set(1);
+	if (res) {
+		hotkey_exit();
+		return res;
+	}
+	res = hotkey_mask_set(((hotkey_all_mask | hotkey_source_mask)
+				& ~hotkey_reserved_mask)
+				| hotkey_orig_mask);
+	if (res < 0 && res != -ENXIO) {
+		hotkey_exit();
+		return res;
+	}
 
-		tpacpi_inputdev->open = &hotkey_inputdev_open;
-		tpacpi_inputdev->close = &hotkey_inputdev_close;
+	dbg_printk(TPACPI_DBG_INIT,
+			"legacy hot key reporting over procfs %s\n",
+			(hotkey_report_mode < 2) ?
+				"enabled" : "disabled");
 
-		hotkey_poll_setup_safe(1);
-		tpacpi_input_send_radiosw();
-		tpacpi_input_send_tabletsw();
-	}
+	tpacpi_inputdev->open = &hotkey_inputdev_open;
+	tpacpi_inputdev->close = &hotkey_inputdev_close;
 
-	return (tp_features.hotkey)? 0 : 1;
-}
+	hotkey_poll_setup_safe(1);
+	tpacpi_input_send_radiosw();
+	tpacpi_input_send_tabletsw();
 
-static void hotkey_exit(void)
-{
-#ifdef CONFIG_THINKPAD_ACPI_HOTKEY_POLL
-	hotkey_poll_stop_sync();
-#endif
+	return 0;
 
-	if (tp_features.hotkey) {
-		dbg_printk(TPACPI_DBG_EXIT,
-			   "restoring original hot key mask\n");
-		/* no short-circuit boolean operator below! */
-		if ((hotkey_mask_set(hotkey_orig_mask) |
-		     hotkey_status_set(hotkey_orig_status)) != 0)
-			printk(TPACPI_ERR
-			       "failed to restore hot key mask "
-			       "to BIOS defaults\n");
-	}
+err_exit:
+	delete_attr_set(hotkey_dev_attributes, &tpacpi_pdev->dev.kobj);
+	hotkey_dev_attributes = NULL;
 
-	if (hotkey_dev_attributes) {
-		delete_attr_set(hotkey_dev_attributes, &tpacpi_pdev->dev.kobj);
-		hotkey_dev_attributes = NULL;
-	}
+	return (res < 0)? res : 1;
 }
 
 static void hotkey_notify(struct ibm_struct *ibm, u32 event)
@@ -3319,7 +3336,7 @@ static struct tpacpi_led_classdev tpacpi_led_thinklight = {
 
 static int __init light_init(struct ibm_init_struct *iibm)
 {
-	int rc = 0;
+	int rc;
 
 	vdbg_printk(TPACPI_DBG_INIT, "initializing light subdriver\n");
 
@@ -3337,20 +3354,23 @@ static int __init light_init(struct ibm_init_struct *iibm)
 		tp_features.light_status =
 			acpi_evalf(ec_handle, NULL, "KBLT", "qv");
 
-	vdbg_printk(TPACPI_DBG_INIT, "light is %s\n",
-		str_supported(tp_features.light));
+	vdbg_printk(TPACPI_DBG_INIT, "light is %s, light status is %s\n",
+		str_supported(tp_features.light),
+		str_supported(tp_features.light_status));
 
-	if (tp_features.light) {
-		rc = led_classdev_register(&tpacpi_pdev->dev,
-					   &tpacpi_led_thinklight.led_classdev);
-	}
+	if (!tp_features.light)
+		return 1;
+
+	rc = led_classdev_register(&tpacpi_pdev->dev,
+				   &tpacpi_led_thinklight.led_classdev);
 
 	if (rc < 0) {
 		tp_features.light = 0;
 		tp_features.light_status = 0;
-	} else {
-		rc = (tp_features.light)? 0 : 1;
+	} else  {
+		rc = 0;
 	}
+
 	return rc;
 }
 
@@ -3833,7 +3853,7 @@ static const char * const tpacpi_led_names[TPACPI_LED_NUMLEDS] = {
 	"tpacpi::standby",
 };
 
-static int led_get_status(unsigned int led)
+static int led_get_status(const unsigned int led)
 {
 	int status;
 	enum led_status_t led_s;
@@ -3857,41 +3877,42 @@ static int led_get_status(unsigned int led)
 	/* not reached */
 }
 
-static int led_set_status(unsigned int led, enum led_status_t ledstatus)
+static int led_set_status(const unsigned int led,
+			  const enum led_status_t ledstatus)
 {
 	/* off, on, blink. Index is led_status_t */
-	static const int led_sled_arg1[] = { 0, 1, 3 };
-	static const int led_exp_hlbl[] = { 0, 0, 1 };	/* led# * */
-	static const int led_exp_hlcl[] = { 0, 1, 1 };	/* led# * */
-	static const int led_led_arg1[] = { 0, 0x80, 0xc0 };
+	static const unsigned int led_sled_arg1[] = { 0, 1, 3 };
+	static const unsigned int led_led_arg1[] = { 0, 0x80, 0xc0 };
 
 	int rc = 0;
 
 	switch (led_supported) {
 	case TPACPI_LED_570:
-			/* 570 */
-			led = 1 << led;
-			if (!acpi_evalf(led_handle, NULL, NULL, "vdd",
-					led, led_sled_arg1[ledstatus]))
-				rc = -EIO;
-			break;
+		/* 570 */
+		if (led > 7)
+			return -EINVAL;
+		if (!acpi_evalf(led_handle, NULL, NULL, "vdd",
+				(1 << led), led_sled_arg1[ledstatus]))
+			rc = -EIO;
+		break;
 	case TPACPI_LED_OLD:
-			/* 600e/x, 770e, 770x, A21e, A2xm/p, T20-22, X20 */
-			led = 1 << led;
-			rc = ec_write(TPACPI_LED_EC_HLMS, led);
-			if (rc >= 0)
-				rc = ec_write(TPACPI_LED_EC_HLBL,
-					      led * led_exp_hlbl[ledstatus]);
-			if (rc >= 0)
-				rc = ec_write(TPACPI_LED_EC_HLCL,
-					      led * led_exp_hlcl[ledstatus]);
-			break;
+		/* 600e/x, 770e, 770x, A21e, A2xm/p, T20-22, X20 */
+		if (led > 7)
+			return -EINVAL;
+		rc = ec_write(TPACPI_LED_EC_HLMS, (1 << led));
+		if (rc >= 0)
+			rc = ec_write(TPACPI_LED_EC_HLBL,
+				      (ledstatus == TPACPI_LED_BLINK) << led);
+		if (rc >= 0)
+			rc = ec_write(TPACPI_LED_EC_HLCL,
+				      (ledstatus != TPACPI_LED_OFF) << led);
+		break;
 	case TPACPI_LED_NEW:
-			/* all others */
-			if (!acpi_evalf(led_handle, NULL, NULL, "vdd",
-					led, led_led_arg1[ledstatus]))
-				rc = -EIO;
-			break;
+		/* all others */
+		if (!acpi_evalf(led_handle, NULL, NULL, "vdd",
+				led, led_led_arg1[ledstatus]))
+			rc = -EIO;
+		break;
 	default:
 		rc = -ENXIO;
 	}
@@ -3978,7 +3999,6 @@ static void led_exit(void)
 	}
 
 	kfree(tpacpi_leds);
-	tpacpi_leds = NULL;
 }
 
 static int __init led_init(struct ibm_init_struct *iibm)
@@ -4802,7 +4822,6 @@ static void brightness_exit(void)
 		vdbg_printk(TPACPI_DBG_EXIT,
 			    "calling backlight_device_unregister()\n");
 		backlight_device_unregister(ibm_backlight_device);
-		ibm_backlight_device = NULL;
 	}
 }
 
@@ -5764,11 +5783,16 @@ static int __init fan_init(struct ibm_init_struct *iibm)
 	    fan_control_access_mode != TPACPI_FAN_WR_NONE) {
 		rc = sysfs_create_group(&tpacpi_sensors_pdev->dev.kobj,
 					 &fan_attr_group);
-		if (!(rc < 0))
-			rc = driver_create_file(&tpacpi_hwmon_pdriver.driver,
-					&driver_attr_fan_watchdog);
 		if (rc < 0)
 			return rc;
+
+		rc = driver_create_file(&tpacpi_hwmon_pdriver.driver,
+					&driver_attr_fan_watchdog);
+		if (rc < 0) {
+			sysfs_remove_group(&tpacpi_sensors_pdev->dev.kobj,
+					&fan_attr_group);
+			return rc;
+		}
 		return 0;
 	} else
 		return 1;

drivers/mmc/host/wbsd.c

@@ -1457,17 +1457,7 @@ static int __devinit wbsd_request_irq(struct wbsd_host *host, int irq)
 	int ret;
 
 	/*
-	 * Allocate interrupt.
-	 */
-
-	ret = request_irq(irq, wbsd_irq, IRQF_SHARED, DRIVER_NAME, host);
-	if (ret)
-		return ret;
-
-	host->irq = irq;
-
-	/*
-	 * Set up tasklets.
+	 * Set up tasklets. Must be done before requesting interrupt.
 	 */
 	tasklet_init(&host->card_tasklet, wbsd_tasklet_card,
 			(unsigned long)host);
@@ -1480,6 +1470,15 @@ static int __devinit wbsd_request_irq(struct wbsd_host *host, int irq)
 	tasklet_init(&host->finish_tasklet, wbsd_tasklet_finish,
 			(unsigned long)host);
 
+	/*
+	 * Allocate interrupt.
+	 */
+	ret = request_irq(irq, wbsd_irq, IRQF_SHARED, DRIVER_NAME, host);
+	if (ret)
+		return ret;
+
+	host->irq = irq;
+
 	return 0;
 }
 

drivers/net/7990.c

@@ -506,6 +506,7 @@ int lance_open (struct net_device *dev)
 
 	return res;
 }
+EXPORT_SYMBOL_GPL(lance_open);
 
 int lance_close (struct net_device *dev)
 {
@@ -521,6 +522,7 @@ int lance_close (struct net_device *dev)
 
         return 0;
 }
+EXPORT_SYMBOL_GPL(lance_close);
 
 void lance_tx_timeout(struct net_device *dev)
 {
@@ -529,7 +531,7 @@ void lance_tx_timeout(struct net_device *dev)
 	dev->trans_start = jiffies;
 	netif_wake_queue (dev);
 }
-
+EXPORT_SYMBOL_GPL(lance_tx_timeout);
 
 int lance_start_xmit (struct sk_buff *skb, struct net_device *dev)
 {
@@ -586,6 +588,7 @@ int lance_start_xmit (struct sk_buff *skb, struct net_device *dev)
 
         return 0;
 }
+EXPORT_SYMBOL_GPL(lance_start_xmit);
 
 /* taken from the depca driver via a2065.c */
 static void lance_load_multicast (struct net_device *dev)
@@ -654,6 +657,7 @@ void lance_set_multicast (struct net_device *dev)
 	if (!stopped)
 		netif_start_queue (dev);
 }
+EXPORT_SYMBOL_GPL(lance_set_multicast);
 
 #ifdef CONFIG_NET_POLL_CONTROLLER
 void lance_poll(struct net_device *dev)

drivers/net/atlx/atl1.c

@@ -636,22 +636,6 @@ static s32 atl1_phy_leave_power_saving(struct atl1_hw *hw)
 	return atl1_write_phy_reg(hw, 30, 0);
 }
 
-/*
- * Force the PHY into power saving mode using vendor magic.
- */
-#ifdef CONFIG_PM
-static void atl1_phy_enter_power_saving(struct atl1_hw *hw)
-{
-	atl1_write_phy_reg(hw, MII_DBG_ADDR, 0);
-	atl1_write_phy_reg(hw, MII_DBG_DATA, 0x124E);
-	atl1_write_phy_reg(hw, MII_DBG_ADDR, 2);
-	atl1_write_phy_reg(hw, MII_DBG_DATA, 0x3000);
-	atl1_write_phy_reg(hw, MII_DBG_ADDR, 3);
-	atl1_write_phy_reg(hw, MII_DBG_DATA, 0);
-
-}
-#endif
-
 /*
  * Resets the PHY and make all config validate
  * hw - Struct containing variables accessed by shared code
@@ -2860,7 +2844,6 @@ disable_wol:
 	ctrl |= PCIE_PHYMISC_FORCE_RCV_DET;
 	iowrite32(ctrl, hw->hw_addr + REG_PCIE_PHYMISC);
 	ioread32(hw->hw_addr + REG_PCIE_PHYMISC);
-	atl1_phy_enter_power_saving(hw);
 	hw->phy_configured = false;
 	pci_enable_wake(pdev, pci_choose_state(pdev, state), 0);
 exit:

drivers/net/bnx2.c

@@ -5724,14 +5724,12 @@ bnx2_reset_task(struct work_struct *work)
 	if (!netif_running(bp->dev))
 		return;
 
-	bp->in_reset_task = 1;
 	bnx2_netif_stop(bp);
 
 	bnx2_init_nic(bp);
 
 	atomic_set(&bp->intr_sem, 1);
 	bnx2_netif_start(bp);
-	bp->in_reset_task = 0;
 }
 
 static void
@@ -5907,12 +5905,7 @@ bnx2_close(struct net_device *dev)
 	struct bnx2 *bp = netdev_priv(dev);
 	u32 reset_code;
 
-	/* Calling flush_scheduled_work() may deadlock because
-	 * linkwatch_event() may be on the workqueue and it will try to get
-	 * the rtnl_lock which we are holding.
-	 */
-	while (bp->in_reset_task)
-		msleep(1);
+	cancel_work_sync(&bp->reset_task);
 
 	bnx2_disable_int_sync(bp);
 	bnx2_napi_disable(bp);

drivers/net/bnx2.h

@@ -6656,7 +6656,6 @@ struct bnx2 {
 	int			current_interval;
 	struct			timer_list timer;
 	struct work_struct	reset_task;
-	int			in_reset_task;
 
 	/* Used to synchronize phy accesses. */
 	spinlock_t		phy_lock;

drivers/net/bnx2x.c

@@ -6,7 +6,8 @@
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation.
  *
- * Written by: Eliezer Tamir <eliezert@broadcom.com>
+ * Maintained by: Eilon Greenstein <eilong@broadcom.com>
+ * Written by: Eliezer Tamir
  * Based on code from Michael Chan's bnx2 driver
  * UDP CSUM errata workaround by Arik Gendelman
  * Slowpath rework by Vladislav Zolotarov
@@ -74,7 +75,7 @@ static char version[] __devinitdata =
 	"Broadcom NetXtreme II 5771X 10Gigabit Ethernet Driver "
 	DRV_MODULE_NAME " " DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
 
-MODULE_AUTHOR("Eliezer Tamir <eliezert@broadcom.com>");
+MODULE_AUTHOR("Eliezer Tamir");
 MODULE_DESCRIPTION("Broadcom NetXtreme II BCM57710 Driver");
 MODULE_LICENSE("GPL");
 MODULE_VERSION(DRV_MODULE_VERSION);