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| author | alc <alc@FreeBSD.org> | 2013-09-01 17:06:14 +0000 |
|---|---|---|
| committer | alc <alc@FreeBSD.org> | 2013-09-01 17:06:14 +0000 |
| commit | f9897c6dd3d2e00bc25d5857c3c6b2be50c7efea (patch) | |
| tree | b2bbf7b169c29a95a9229323a0bed5a813f85b66 /sys/mips | |
| parent | f611b39b097571da28419bf99f104f2ce7d2d7ae (diff) | |
| download | FreeBSD-src-f9897c6dd3d2e00bc25d5857c3c6b2be50c7efea.zip FreeBSD-src-f9897c6dd3d2e00bc25d5857c3c6b2be50c7efea.tar.gz | |
pmap_protect() on MIPS does not need to acquire the pvh global lock.
Diffstat (limited to 'sys/mips')
| -rw-r--r-- | sys/mips/mips/pmap.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/sys/mips/mips/pmap.c b/sys/mips/mips/pmap.c index ebb6935..d1bf5ea 100644 --- a/sys/mips/mips/pmap.c +++ b/sys/mips/mips/pmap.c @@ -1914,7 +1914,6 @@ pmap_protect(pmap_t pmap, vm_offset_t sva, vm_offset_t eva, vm_prot_t prot) if (prot & VM_PROT_WRITE) return; - rw_wlock(&pvh_global_lock); PMAP_LOCK(pmap); for (; sva < eva; sva = va_next) { pdpe = pmap_segmap(pmap, sva); @@ -1980,7 +1979,6 @@ pmap_protect(pmap_t pmap, vm_offset_t sva, vm_offset_t eva, vm_prot_t prot) if (va != va_next) pmap_invalidate_range(pmap, va, sva); } - rw_wunlock(&pvh_global_lock); PMAP_UNLOCK(pmap); } |
