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Eliminate the acquisition and release of Giant from moea_extract_and_hold()

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and moea_protect().

Tested by: grehan@ and rink@
This commit is contained in:
alc 2006-07-01 23:24:32 +00:00
parent 6d2e595d5b
commit c05d97a892
2 changed files with 0 additions and 12 deletions
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6
sys/powerpc/aim/mmu_oea.c
View File

@ -1226,7 +1226,6 @@ moea_extract_and_hold(mmu_t mmu, pmap_t pmap, vm_offset_t va, vm_prot_t prot)
vm_page_t m;
m = NULL;
mtx_lock(&Giant);
vm_page_lock_queues();
PMAP_LOCK(pmap);
pvo = moea_pvo_find_va(pmap, va & ~ADDR_POFF, NULL);
@ -1238,7 +1237,6 @@ moea_extract_and_hold(mmu_t mmu, pmap_t pmap, vm_offset_t va, vm_prot_t prot)
}
vm_page_unlock_queues();
PMAP_UNLOCK(pmap);
mtx_unlock(&Giant);
return (m);
}
@ -1598,13 +1596,10 @@ moea_protect(mmu_t mmu, pmap_t pm, vm_offset_t sva, vm_offset_t eva,
("moea_protect: non current pmap"));
if ((prot & VM_PROT_READ) == VM_PROT_NONE) {
mtx_lock(&Giant);
moea_remove(mmu, pm, sva, eva);
mtx_unlock(&Giant);
return;
}
mtx_lock(&Giant);
vm_page_lock_queues();
PMAP_LOCK(pm);
for (; sva < eva; sva += PAGE_SIZE) {
@ -1636,7 +1631,6 @@ moea_protect(mmu_t mmu, pmap_t pm, vm_offset_t sva, vm_offset_t eva,
}
vm_page_unlock_queues();
PMAP_UNLOCK(pm);
mtx_unlock(&Giant);
}
/*

6
sys/powerpc/powerpc/mmu_oea.c
View File

@ -1226,7 +1226,6 @@ moea_extract_and_hold(mmu_t mmu, pmap_t pmap, vm_offset_t va, vm_prot_t prot)
vm_page_t m;
m = NULL;
mtx_lock(&Giant);
vm_page_lock_queues();
PMAP_LOCK(pmap);
pvo = moea_pvo_find_va(pmap, va & ~ADDR_POFF, NULL);
@ -1238,7 +1237,6 @@ moea_extract_and_hold(mmu_t mmu, pmap_t pmap, vm_offset_t va, vm_prot_t prot)
}
vm_page_unlock_queues();
PMAP_UNLOCK(pmap);
mtx_unlock(&Giant);
return (m);
}
@ -1598,13 +1596,10 @@ moea_protect(mmu_t mmu, pmap_t pm, vm_offset_t sva, vm_offset_t eva,
("moea_protect: non current pmap"));
if ((prot & VM_PROT_READ) == VM_PROT_NONE) {
mtx_lock(&Giant);
moea_remove(mmu, pm, sva, eva);
mtx_unlock(&Giant);
return;
}
mtx_lock(&Giant);
vm_page_lock_queues();
PMAP_LOCK(pm);
for (; sva < eva; sva += PAGE_SIZE) {
@ -1636,7 +1631,6 @@ moea_protect(mmu_t mmu, pmap_t pm, vm_offset_t sva, vm_offset_t eva,
}
vm_page_unlock_queues();
PMAP_UNLOCK(pm);
mtx_unlock(&Giant);
}
/*