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MFC 196643

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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
Approved by:	re (rwatson)
This commit is contained in:
rnoland 2009-09-01 16:41:28 +00:00
parent c83e56f187
commit b29642064f
2 changed files with 4 additions and 4 deletions
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4
sys/amd64/amd64/pmap.c
View File

@ -943,8 +943,8 @@ pmap_invalidate_cache_range(vm_offset_t sva, vm_offset_t eva)
* coherence domain. * coherence domain.
*/ */
mfence(); mfence();
for (; eva < sva; eva += cpu_clflush_line_size) for (; sva < eva; sva += cpu_clflush_line_size)
clflush(eva); clflush(sva);
mfence(); mfence();
} else { } else {

4
sys/i386/i386/pmap.c
View File

@ -967,8 +967,8 @@ pmap_invalidate_cache_range(vm_offset_t sva, vm_offset_t eva)
* coherence domain. * coherence domain.
*/ */
mfence(); mfence();
for (; eva < sva; eva += cpu_clflush_line_size) for (; sva < eva; sva += cpu_clflush_line_size)
clflush(eva); clflush(sva);
mfence(); mfence();
} else { } else {