Date: Sun, 1 Sep 2013 17:06:14 +0000 (UTC) From: Alan Cox <alc@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r255125 - head/sys/mips/mips Message-ID: <201309011706.r81H6Ed9044406@svn.freebsd.org>
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Author: alc Date: Sun Sep 1 17:06:14 2013 New Revision: 255125 URL: http://svnweb.freebsd.org/changeset/base/255125 Log: pmap_protect() on MIPS does not need to acquire the pvh global lock. Modified: head/sys/mips/mips/pmap.c Modified: head/sys/mips/mips/pmap.c ============================================================================== --- head/sys/mips/mips/pmap.c Sun Sep 1 14:28:12 2013 (r255124) +++ head/sys/mips/mips/pmap.c Sun Sep 1 17:06:14 2013 (r255125) @@ -1914,7 +1914,6 @@ pmap_protect(pmap_t pmap, vm_offset_t sv 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 sv if (va != va_next) pmap_invalidate_range(pmap, va, sva); } - rw_wunlock(&pvh_global_lock); PMAP_UNLOCK(pmap); }
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