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x86, nops: Missing break resulting in incorrect selection on Intel
author
Alan Cox
<alan@linux.intel.com>
Wed, 25 Jul 2012 15:28:19 +0000
(16:28 +0100)
committer
H. Peter Anvin
<hpa@zytor.com>
Wed, 25 Jul 2012 15:35:38 +0000
(08:35 -0700)
The Intel case falls through into the generic case which then changes
the values. For cases like the P6 it doesn't do the right thing so
this seems to be a screwup.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Link:
http://lkml.kernel.org/n/tip-lww2uirad4skzjlmrm0vru8o@git.kernel.org
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Cc: <stable@vger.kernel.org>
arch/x86/kernel/alternative.c
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diff --git
a/arch/x86/kernel/alternative.c
b/arch/x86/kernel/alternative.c
index 1f84794f0759327c387d602cddccb3d479188f92..73ef56c5a8b373bccbe8451746bbf67e90808dc3 100644
(file)
--- a/
arch/x86/kernel/alternative.c
+++ b/
arch/x86/kernel/alternative.c
@@
-219,7
+219,7
@@
void __init arch_init_ideal_nops(void)
ideal_nops = intel_nops;
#endif
}
-
+ break;
default:
#ifdef CONFIG_X86_64
ideal_nops = k8_nops;