x86, nops: Missing break resulting in incorrect selection on Intel
authorAlan Cox <alan@linux.intel.com>
Wed, 25 Jul 2012 15:28:19 +0000 (16:28 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 15 Aug 2012 19:04:11 +0000 (12:04 -0700)
commit d6250a3f12edb3a86db9598ffeca3de8b4a219e9 upstream.

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
arch/x86/kernel/alternative.c

index a81f2d52f869d842d9301d5f9aea5c23a74369a2..dfabea4de4171174e5febbc41aedf8e30adc218d 100644 (file)
@@ -220,7 +220,7 @@ void __init arch_init_ideal_nops(void)
                        ideal_nops = intel_nops;
 #endif
                }
-
+               break;
        default:
 #ifdef CONFIG_X86_64
                ideal_nops = k8_nops;