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Merge master.kernel.org:/home/rmk/linux-2.6-arm-smp

Linus Torvalds %!s(int64=20) %!d(string=hai) anos
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70679ee34f
Modificáronse 2 ficheiros con 10 adicións e 1 borrados
  1. 7 0
      arch/arm/kernel/entry-armv.S
  2. 3 1
      arch/arm/lib/bitops.h

+ 7 - 0
arch/arm/kernel/entry-armv.S

@@ -533,6 +533,13 @@ ENTRY(__switch_to)
 	ldr	r3, [r2, #TI_TP_VALUE]
 	stmia	ip!, {r4 - sl, fp, sp, lr}	@ Store most regs on stack
 	ldr	r6, [r2, #TI_CPU_DOMAIN]!
+#if __LINUX_ARM_ARCH__ >= 6
+#ifdef CONFIG_CPU_MPCORE
+	clrex
+#else
+	strex	r3, r4, [ip]			@ Clear exclusive monitor
+#endif
+#endif
 #if defined(CONFIG_CPU_XSCALE) && !defined(CONFIG_IWMMXT)
 	mra	r4, r5, acc0
 	stmia   ip, {r4, r5}

+ 3 - 1
arch/arm/lib/bitops.h

@@ -1,4 +1,6 @@
-#if __LINUX_ARM_ARCH__ >= 6
+#include <linux/config.h>
+
+#if __LINUX_ARM_ARCH__ >= 6 && defined(CONFIG_CPU_MPCORE)
 	.macro	bitop, instr
 	mov	r2, #1
 	and	r3, r0, #7		@ Get bit offset