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| author | Andi Kleen <ak@suse.de> | 2008-01-30 13:33:21 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-01-30 13:33:21 +0100 |
| commit | 191679fdfa63342752ff6a094a2522ae939b8d0c (patch) | |
| tree | d1d3af246c10ff5201450c270fe3bb9f1bd2bd6f /Documentation | |
| parent | 404ee5b14b68d3cba287c2596588b83790c49f7b (diff) | |
| download | linux-191679fdfa63342752ff6a094a2522ae939b8d0c.tar.gz linux-191679fdfa63342752ff6a094a2522ae939b8d0c.tar.bz2 linux-191679fdfa63342752ff6a094a2522ae939b8d0c.zip | |
x86: add noclflush option
To disable CLFLUSH usage, especially in change_page_attr().
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/kernel-parameters.txt | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index b8fadf5f75a3..040e30a33b7c 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -1191,6 +1191,8 @@ and is between 256 and 4096 characters. It is defined in the file register save and restore. The kernel will only save legacy floating-point registers on task switch. + noclflush [BUGS=X86] Don't use the CLFLUSH instruction + nohlt [BUGS=ARM] no-hlt [BUGS=X86-32] Tells the kernel that the hlt |