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authorCatalin Marinas <catalin.marinas@arm.com>2008-06-13 10:28:36 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-07-03 16:39:57 +0100
commit826cbdaff29764bb6928c715c6a025e49469dda9 (patch)
tree0fa040b3be05d88291eb5dca05f77202ad56ab45 /include/asm-arm/cacheflush.h
parent43df5220e455d426ec7462d0bf906e686c65ebb5 (diff)
[ARM] 5092/1: Fix the I-cache invalidation on ARMv6 and later CPUs
This patch adds the I-cache invalidation in update_mmu_cache if the corresponding vma is marked as executable. It also invalidates the I-cache if a thread migrates to a CPU it never ran on. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'include/asm-arm/cacheflush.h')
-rw-r--r--include/asm-arm/cacheflush.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/asm-arm/cacheflush.h b/include/asm-arm/cacheflush.h
index 759a97b56ee..559fb4af1f6 100644
--- a/include/asm-arm/cacheflush.h
+++ b/include/asm-arm/cacheflush.h
@@ -410,6 +410,13 @@ extern void flush_dcache_page(struct page *);
extern void __flush_dcache_page(struct address_space *mapping, struct page *page);
+static inline void __flush_icache_all(void)
+{
+ asm("mcr p15, 0, %0, c7, c5, 0 @ invalidate I-cache\n"
+ :
+ : "r" (0));
+}
+
#define ARCH_HAS_FLUSH_ANON_PAGE
static inline void flush_anon_page(struct vm_area_struct *vma,
struct page *page, unsigned long vmaddr)