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authorIngo Molnar <mingo@elte.hu>2009-05-11 14:44:27 +0200
committerIngo Molnar <mingo@elte.hu>2009-05-11 14:44:31 +0200
commit41fb454ebe6024f5c1e3b3cbc0abc0da762e7b51 (patch)
tree51c50bcb67a5039448ddfa1869d7948cab1217e9 /arch/arm/mm/flush.c
parent19c1a6f5764d787113fa323ffb18be7991208f82 (diff)
parent091bf7624d1c90cec9e578a18529f615213ff847 (diff)
Merge commit 'v2.6.30-rc5' into core/iommu
Merge reason: core/iommu was on an .30-rc1 base, update it to .30-rc5 to refresh. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/arm/mm/flush.c')
-rw-r--r--arch/arm/mm/flush.c23
1 files changed, 21 insertions, 2 deletions
diff --git a/arch/arm/mm/flush.c b/arch/arm/mm/flush.c
index 4e283481cee..c07222eb5ce 100644
--- a/arch/arm/mm/flush.c
+++ b/arch/arm/mm/flush.c
@@ -18,6 +18,10 @@
#include "mm.h"
+#ifdef CONFIG_ARM_ERRATA_411920
+extern void v6_icache_inval_all(void);
+#endif
+
#ifdef CONFIG_CPU_CACHE_VIPT
#define ALIAS_FLUSH_START 0xffff4000
@@ -32,10 +36,15 @@ static void flush_pfn_alias(unsigned long pfn, unsigned long vaddr)
asm( "mcrr p15, 0, %1, %0, c14\n"
" mcr p15, 0, %2, c7, c10, 4\n"
+#ifndef CONFIG_ARM_ERRATA_411920
" mcr p15, 0, %2, c7, c5, 0\n"
+#endif
:
: "r" (to), "r" (to + PAGE_SIZE - L1_CACHE_BYTES), "r" (zero)
: "cc");
+#ifdef CONFIG_ARM_ERRATA_411920
+ v6_icache_inval_all();
+#endif
}
void flush_cache_mm(struct mm_struct *mm)
@@ -48,11 +57,16 @@ void flush_cache_mm(struct mm_struct *mm)
if (cache_is_vipt_aliasing()) {
asm( "mcr p15, 0, %0, c7, c14, 0\n"
+ " mcr p15, 0, %0, c7, c10, 4\n"
+#ifndef CONFIG_ARM_ERRATA_411920
" mcr p15, 0, %0, c7, c5, 0\n"
- " mcr p15, 0, %0, c7, c10, 4"
+#endif
:
: "r" (0)
: "cc");
+#ifdef CONFIG_ARM_ERRATA_411920
+ v6_icache_inval_all();
+#endif
}
}
@@ -67,11 +81,16 @@ void flush_cache_range(struct vm_area_struct *vma, unsigned long start, unsigned
if (cache_is_vipt_aliasing()) {
asm( "mcr p15, 0, %0, c7, c14, 0\n"
+ " mcr p15, 0, %0, c7, c10, 4\n"
+#ifndef CONFIG_ARM_ERRATA_411920
" mcr p15, 0, %0, c7, c5, 0\n"
- " mcr p15, 0, %0, c7, c10, 4"
+#endif
:
: "r" (0)
: "cc");
+#ifdef CONFIG_ARM_ERRATA_411920
+ v6_icache_inval_all();
+#endif
}
}