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authorDavid Daney <ddaney@caviumnetworks.com>2011-04-27 16:39:28 -0700
committerRalf Baechle <ralf@linux-mips.org>2011-05-10 18:15:26 +0100
commit310f1303390758ee7688e350e117a7b50ba5fa05 (patch)
treee89d9214c3bee93e681e1f4ac5e2d01b45ec7a82 /arch
parentf850548ef88e5ff9e40bae9e1a7140bef0653e6b (diff)
downloadop-kernel-dev-310f1303390758ee7688e350e117a7b50ba5fa05.zip
op-kernel-dev-310f1303390758ee7688e350e117a7b50ba5fa05.tar.gz
MIPS: Invalidate old TLB mappings when updating huge page PTEs.
Without this, stale Icache or TLB entries may be used. Signed-off-by: David Daney <ddaney@caviumnetworks.com> To: linux-mips@linux-mips.org https://patchwork.linux-mips.org/patch/2318/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/mips/include/asm/hugetlb.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/mips/include/asm/hugetlb.h b/arch/mips/include/asm/hugetlb.h
index f5e85601..c565b7c 100644
--- a/arch/mips/include/asm/hugetlb.h
+++ b/arch/mips/include/asm/hugetlb.h
@@ -70,6 +70,7 @@ static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
unsigned long addr, pte_t *ptep)
{
+ flush_tlb_mm(vma->vm_mm);
}
static inline int huge_pte_none(pte_t pte)
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