From: Akinobu Mita Date: Mon, 17 May 2010 23:48:30 +0000 (+0900) Subject: x86/mmiotrace: Remove redundant instruction prefix checks X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=841bca1393d315d79077f272c2918423e36dc364;p=deliverable%2Flinux.git x86/mmiotrace: Remove redundant instruction prefix checks Get rid of the duplicated entries in prefix_codes[] to eliminate redundant checks by skip_prefix(). Signed-off-by: Akinobu Mita Acked-by: Pekka Paalanen LKML-Reference: <1274140110-5841-1-git-send-email-akinobu.mita@gmail.com> Signed-off-by: Ingo Molnar --- diff --git a/arch/x86/mm/pf_in.c b/arch/x86/mm/pf_in.c index df3d5c861cda..308e32570d84 100644 --- a/arch/x86/mm/pf_in.c +++ b/arch/x86/mm/pf_in.c @@ -34,7 +34,7 @@ /* IA32 Manual 3, 2-1 */ static unsigned char prefix_codes[] = { 0xF0, 0xF2, 0xF3, 0x2E, 0x36, 0x3E, 0x26, 0x64, - 0x65, 0x2E, 0x3E, 0x66, 0x67 + 0x65, 0x66, 0x67 }; /* IA32 Manual 3, 3-432*/ static unsigned int reg_rop[] = {