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authoralc <alc@FreeBSD.org>2010-06-01 19:56:02 +0000
committeralc <alc@FreeBSD.org>2010-06-01 19:56:02 +0000
commit4a513e9af44ef92bb9a00fddc64d22784bc9b95d (patch)
tree2066e74c719ba9a6569852b072f857519d624d59 /sys/powerpc
parent73a91f4cc74bf4ec4a6029ea69b15b8782506d1d (diff)
downloadFreeBSD-src-4a513e9af44ef92bb9a00fddc64d22784bc9b95d.zip
FreeBSD-src-4a513e9af44ef92bb9a00fddc64d22784bc9b95d.tar.gz
In the case that mmu_booke_enter_locked() is changing the attributes of a
mapping but not changing the physical page being mapped, the wrong flags were being inspected in order to determine whether or not to flush the instruction cache. The effect of looking at the wrong flags was that the instruction cache was never being flushed. Reviewed by: marcel
Diffstat (limited to 'sys/powerpc')
-rw-r--r--sys/powerpc/booke/pmap.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/powerpc/booke/pmap.c b/sys/powerpc/booke/pmap.c
index a895a7c..ca48adc 100644
--- a/sys/powerpc/booke/pmap.c
+++ b/sys/powerpc/booke/pmap.c
@@ -1621,7 +1621,7 @@ mmu_booke_enter_locked(mmu_t mmu, pmap_t pmap, vm_offset_t va, vm_page_t m,
* are turning execute permissions on, icache should
* be flushed.
*/
- if ((flags & (PTE_UX | PTE_SX)) == 0)
+ if ((pte->flags & (PTE_UX | PTE_SX)) == 0)
sync++;
}
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