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authorAndi Kleen <ak@suse.de>2008-01-30 07:33:21 -0500
committerIngo Molnar <mingo@elte.hu>2008-01-30 07:33:21 -0500
commit191679fdfa63342752ff6a094a2522ae939b8d0c (patch)
treed1d3af246c10ff5201450c270fe3bb9f1bd2bd6f /Documentation
parent404ee5b14b68d3cba287c2596588b83790c49f7b (diff)
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 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
1191 register save and restore. The kernel will only save 1191 register save and restore. The kernel will only save
1192 legacy floating-point registers on task switch. 1192 legacy floating-point registers on task switch.
1193 1193
1194 noclflush [BUGS=X86] Don't use the CLFLUSH instruction
1195
1194 nohlt [BUGS=ARM] 1196 nohlt [BUGS=ARM]
1195 1197
1196 no-hlt [BUGS=X86-32] Tells the kernel that the hlt 1198 no-hlt [BUGS=X86-32] Tells the kernel that the hlt