Date: Sat, 29 Aug 2009 16:01:21 +0000 (UTC) From: Robert Noland <rnoland@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r196643 - in head/sys: amd64/amd64 i386/i386 Message-ID: <200908291601.n7TG1Mmx068644@svn.freebsd.org>
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Author: rnoland Date: Sat Aug 29 16:01:21 2009 New Revision: 196643 URL: http://svn.freebsd.org/changeset/base/196643 Log: Swap the start/end virtual addresses in pmap_invalidate_cache_range(). This fixes the functionality on non SelfSnoop hardware. Found by: rnoland Submitted by: alc Reviewed by: kib MFC after: 3 days Modified: head/sys/amd64/amd64/pmap.c head/sys/i386/i386/pmap.c Modified: head/sys/amd64/amd64/pmap.c ============================================================================== --- head/sys/amd64/amd64/pmap.c Sat Aug 29 15:42:06 2009 (r196642) +++ head/sys/amd64/amd64/pmap.c Sat Aug 29 16:01:21 2009 (r196643) @@ -943,8 +943,8 @@ pmap_invalidate_cache_range(vm_offset_t * coherence domain. */ mfence(); - for (; eva < sva; eva += cpu_clflush_line_size) - clflush(eva); + for (; sva < eva; sva += cpu_clflush_line_size) + clflush(sva); mfence(); } else { Modified: head/sys/i386/i386/pmap.c ============================================================================== --- head/sys/i386/i386/pmap.c Sat Aug 29 15:42:06 2009 (r196642) +++ head/sys/i386/i386/pmap.c Sat Aug 29 16:01:21 2009 (r196643) @@ -967,8 +967,8 @@ pmap_invalidate_cache_range(vm_offset_t * coherence domain. */ mfence(); - for (; eva < sva; eva += cpu_clflush_line_size) - clflush(eva); + for (; sva < eva; sva += cpu_clflush_line_size) + clflush(sva); mfence(); } else {
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