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Subject[PATCH -rt] ARM TLB flush fix: don't forget to re-enable preemption
Add a preempt_enable() to flush_tlb_kernel_page() since -rt4 patch
adds a preempt_disable but no preempt_enable().

Signed-off-by: Kevin Hilman <khilman@mvista.com>


---
include/asm-arm/tlbflush.h | 1 +
1 file changed, 1 insertion(+)
Index: linux-2.6.21/include/asm-arm/tlbflush.h
===================================================================
--- linux-2.6.21.orig/include/asm-arm/tlbflush.h
+++ linux-2.6.21/include/asm-arm/tlbflush.h
@@ -378,6 +378,7 @@ static inline void local_flush_tlb_kerne
asm("mcr p15, 0, %0, c8, c6, 1" : : "r" (kaddr) : "cc");
if (tlb_flag(TLB_V6_I_PAGE))
asm("mcr p15, 0, %0, c8, c5, 1" : : "r" (kaddr) : "cc");
+ preempt_enable();

if (tlb_flag(TLB_V6_I_FULL | TLB_V6_D_FULL |
TLB_V6_I_PAGE | TLB_V6_D_PAGE |
--
-
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