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authorLinus Torvalds <torvalds@linux-foundation.org>2016-06-10 11:57:17 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2016-06-10 11:57:17 -0700
commit33fc259a2053f89d6ea0f07f534079b58899d128 (patch)
tree46f5f808317ebbeee33f40b3dfaa5ecadfcc6c1b
parent75d089d12a66a8662d888ff60a9eaea230fed53e (diff)
parent0106d456c4cb1770253fefc0ab23c9ca760b43f7 (diff)
downloadlinux-33fc259a2053f89d6ea0f07f534079b58899d128.tar.gz
Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fix from Will Deacon: "A fix for an issue that Alex saw whilst swapping with hardware access/dirty bit support enabled in the kernel: Fix a failure to fault in old pages on a write when CONFIG_ARM64_HW_AFDBM is enabled" * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: arm64: mm: always take dirty state from new pte in ptep_set_access_flags
-rw-r--r--arch/arm64/mm/fault.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c
index 5954881a35ac..ba3fc12bd272 100644
--- a/arch/arm64/mm/fault.c
+++ b/arch/arm64/mm/fault.c
@@ -109,7 +109,7 @@ int ptep_set_access_flags(struct vm_area_struct *vma,
* PTE_RDONLY is cleared by default in the asm below, so set it in
* back if necessary (read-only or clean PTE).
*/
- if (!pte_write(entry) || !dirty)
+ if (!pte_write(entry) || !pte_sw_dirty(entry))
pte_val(entry) |= PTE_RDONLY;
/*