[patch] x86_64: remove lock prefix from is_at_popf() tests

From: Chuck Ebbert
Date: Tue Aug 01 2006 - 07:08:20 EST

The lock prefix will cause an exception when used with the
popf instruction, so no need to continue searching after it's

Signed-off-by: Chuck Ebbert <76306.1226@xxxxxxxxxxxxxx>

--- 2.6.18-rc3-64.orig/arch/x86_64/kernel/ptrace.c
+++ 2.6.18-rc3-64/arch/x86_64/kernel/ptrace.c
@@ -138,7 +138,7 @@ static int is_at_popf(struct task_struct
case 0x26: case 0x2e:
case 0x36: case 0x3e:
case 0x64: case 0x65:
- case 0xf0: case 0xf2: case 0xf3:
+ case 0xf2: case 0xf3:

case 0x40 ... 0x4f:
@@ -148,7 +148,7 @@ static int is_at_popf(struct task_struct
/* 64-bit mode: REX prefix */

- /* CHECKME: f0, f2, f3 */
+ /* CHECKME: f2, f3 */

* pushf: NOTE! We should probably not let
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