[PATCH] ppc64: split pSeries specific parts out of vio.c

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

diff --git a/include/asm-ppc64/processor.h b/include/asm-ppc64/processor.h
index 06aa07c2c71d1ed63f2e62899ac2c177aab61354..50b14c0ddb870974755e3ec49218f097c08eb755 100644 (file)
--- a/include/asm-ppc64/processor.h
+++ b/include/asm-ppc64/processor.h
@@ -382,8 +382,8 @@ extern long kernel_thread(int (*fn)(void *), void *arg, unsigned long flags);
 extern struct task_struct *last_task_used_math;
 extern struct task_struct *last_task_used_altivec;
 
-/* 64-bit user address space is 41-bits (2TBs user VM) */
-#define TASK_SIZE_USER64 (0x0000020000000000UL)
+/* 64-bit user address space is 44-bits (16TB user VM) */
+#define TASK_SIZE_USER64 (0x0000100000000000UL)
 
 /* 
  * 32-bit user address space is 4GB - 1 page 
@@ -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.