diff options
| author | Andi Kleen <ak@suse.de> | 2007-08-10 16:31:02 -0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-08-11 18:58:13 -0400 |
| commit | d3f3c9346979bfa074c64eac5fc3ed5bba4f40ed (patch) | |
| tree | 8d9370211c2714e34d366d88f3bf8bac80240de5 /arch/x86_64/mm/pageattr.c | |
| parent | 3f3f7b74a7749c3a669ca146270c07568b548665 (diff) | |
x86: Disable CLFLUSH support again
It turns out CLFLUSH support is still not complete; we
flush the wrong pages. Again disable it for the release.
Noticed by Jan Beulich who then also noticed a stupid typo later.
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/x86_64/mm/pageattr.c')
| -rw-r--r-- | arch/x86_64/mm/pageattr.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/x86_64/mm/pageattr.c b/arch/x86_64/mm/pageattr.c index 7e161c698af4..10b9809ce821 100644 --- a/arch/x86_64/mm/pageattr.c +++ b/arch/x86_64/mm/pageattr.c | |||
| @@ -75,7 +75,8 @@ static void flush_kernel_map(void *arg) | |||
| 75 | 75 | ||
| 76 | /* When clflush is available always use it because it is | 76 | /* When clflush is available always use it because it is |
| 77 | much cheaper than WBINVD. */ | 77 | much cheaper than WBINVD. */ |
| 78 | if (!cpu_has_clflush) | 78 | /* clflush is still broken. Disable for now. */ |
| 79 | if (1 || !cpu_has_clflush) | ||
| 79 | asm volatile("wbinvd" ::: "memory"); | 80 | asm volatile("wbinvd" ::: "memory"); |
| 80 | else list_for_each_entry(pg, l, lru) { | 81 | else list_for_each_entry(pg, l, lru) { |
| 81 | void *adr = page_address(pg); | 82 | void *adr = page_address(pg); |