diff options
Diffstat (limited to 'sys/powerpc')
| -rw-r--r-- | sys/powerpc/aim/mmu_oea.c | 4 | ||||
| -rw-r--r-- | sys/powerpc/powerpc/mmu_oea.c | 4 | ||||
| -rw-r--r-- | sys/powerpc/powerpc/pmap.c | 4 |
3 files changed, 12 insertions, 0 deletions
diff --git a/sys/powerpc/aim/mmu_oea.c b/sys/powerpc/aim/mmu_oea.c index c0368605454c..4db44cb677e7 100644 --- a/sys/powerpc/aim/mmu_oea.c +++ b/sys/powerpc/aim/mmu_oea.c @@ -1459,10 +1459,13 @@ pmap_protect(pmap_t pm, vm_offset_t sva, vm_offset_t eva, vm_prot_t prot) ("pmap_protect: non current pmap")); if ((prot & VM_PROT_READ) == VM_PROT_NONE) { + mtx_lock(&Giant); pmap_remove(pm, sva, eva); + mtx_unlock(&Giant); return; } + mtx_lock(&Giant); vm_page_lock_queues(); for (; sva < eva; sva += PAGE_SIZE) { pvo = pmap_pvo_find_va(pm, sva, &pteidx); @@ -1490,6 +1493,7 @@ pmap_protect(pmap_t pm, vm_offset_t sva, vm_offset_t eva, vm_prot_t prot) pmap_pte_change(pt, &pvo->pvo_pte, pvo->pvo_vaddr); } vm_page_unlock_queues(); + mtx_unlock(&Giant); } /* diff --git a/sys/powerpc/powerpc/mmu_oea.c b/sys/powerpc/powerpc/mmu_oea.c index c0368605454c..4db44cb677e7 100644 --- a/sys/powerpc/powerpc/mmu_oea.c +++ b/sys/powerpc/powerpc/mmu_oea.c @@ -1459,10 +1459,13 @@ pmap_protect(pmap_t pm, vm_offset_t sva, vm_offset_t eva, vm_prot_t prot) ("pmap_protect: non current pmap")); if ((prot & VM_PROT_READ) == VM_PROT_NONE) { + mtx_lock(&Giant); pmap_remove(pm, sva, eva); + mtx_unlock(&Giant); return; } + mtx_lock(&Giant); vm_page_lock_queues(); for (; sva < eva; sva += PAGE_SIZE) { pvo = pmap_pvo_find_va(pm, sva, &pteidx); @@ -1490,6 +1493,7 @@ pmap_protect(pmap_t pm, vm_offset_t sva, vm_offset_t eva, vm_prot_t prot) pmap_pte_change(pt, &pvo->pvo_pte, pvo->pvo_vaddr); } vm_page_unlock_queues(); + mtx_unlock(&Giant); } /* diff --git a/sys/powerpc/powerpc/pmap.c b/sys/powerpc/powerpc/pmap.c index c0368605454c..4db44cb677e7 100644 --- a/sys/powerpc/powerpc/pmap.c +++ b/sys/powerpc/powerpc/pmap.c @@ -1459,10 +1459,13 @@ pmap_protect(pmap_t pm, vm_offset_t sva, vm_offset_t eva, vm_prot_t prot) ("pmap_protect: non current pmap")); if ((prot & VM_PROT_READ) == VM_PROT_NONE) { + mtx_lock(&Giant); pmap_remove(pm, sva, eva); + mtx_unlock(&Giant); return; } + mtx_lock(&Giant); vm_page_lock_queues(); for (; sva < eva; sva += PAGE_SIZE) { pvo = pmap_pvo_find_va(pm, sva, &pteidx); @@ -1490,6 +1493,7 @@ pmap_protect(pmap_t pm, vm_offset_t sva, vm_offset_t eva, vm_prot_t prot) pmap_pte_change(pt, &pvo->pvo_pte, pvo->pvo_vaddr); } vm_page_unlock_queues(); + mtx_unlock(&Giant); } /* |