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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