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authorAndi Kleen <ak@suse.de>2008-01-30 13:33:21 +0100
committerIngo Molnar <mingo@elte.hu>2008-01-30 13:33:21 +0100
commit191679fdfa63342752ff6a094a2522ae939b8d0c (patch)
treed1d3af246c10ff5201450c270fe3bb9f1bd2bd6f /Documentation
parent404ee5b14b68d3cba287c2596588b83790c49f7b (diff)
downloadop-kernel-dev-191679fdfa63342752ff6a094a2522ae939b8d0c.zip
op-kernel-dev-191679fdfa63342752ff6a094a2522ae939b8d0c.tar.gz
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.txt2
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index b8fadf5..040e30a 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
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