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Set PG_WRITEABLE in Book-E pmap_enter[_locked] if it creates a mapping that

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permits write access. This is similar to r192671.

Pointed out and reviewed by:	alc
This commit is contained in:
Rafal Jaworowski 2009-05-26 06:24:50 +00:00
parent 92e839c638
commit 816192653f
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=192795
1 changed files with 4 additions and 0 deletions
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4
sys/powerpc/booke/pmap.c
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@ -1574,6 +1574,8 @@ mmu_booke_enter_locked(mmu_t mmu, pmap_t pmap, vm_offset_t va, vm_page_t m,
flags |= PTE_SW;
if (!su)
flags |= PTE_UW;
vm_page_flag_set(m, PG_WRITEABLE);
} else {
/* Handle modified pages, sense modify status. */
@ -1638,6 +1640,8 @@ mmu_booke_enter_locked(mmu_t mmu, pmap_t pmap, vm_offset_t va, vm_page_t m,
flags |= PTE_SW;
if (!su)
flags |= PTE_UW;
vm_page_flag_set(m, PG_WRITEABLE);
}
if (prot & VM_PROT_EXECUTE) {