Merge master.kernel.org:/pub/scm/linux/kernel/git/lenb/to-linus

[linux-2.6] / include / asm-ppc64 / processor.h

diff --git a/include/asm-ppc64/processor.h b/include/asm-ppc64/processor.h
index 06aa07c2c71d1ed63f2e62899ac2c177aab61354..352306cfb579909177da4fec25492fd8b53adb2b 100644 (file)
--- a/include/asm-ppc64/processor.h
+++ b/include/asm-ppc64/processor.h
@@ -524,6 +524,15 @@ static inline void ppc64_runlatch_off(void)
 
 #endif /* __ASSEMBLY__ */
 
+#ifdef __KERNEL__
+#define RUNLATCH_ON(REG)                       \
+BEGIN_FTR_SECTION                              \
+       mfspr   (REG),SPRN_CTRLF;               \
+       ori     (REG),(REG),CTRL_RUNLATCH;      \
+       mtspr   SPRN_CTRLT,(REG);               \
+END_FTR_SECTION_IFSET(CPU_FTR_CTRL)
+#endif
+
 /*
  * Number of entries in the SLB. If this ever changes we should handle
  * it with a use a cpu feature fixup.