[PATCH] remove lock prefix from is_at_popf() tests
The lock prefix will cause an exception when used with the
popf instruction, so no need to continue searching after it's
found.
Signed-off-by: Chuck Ebbert <76306.1226@compuserve.com>
Signed-off-by: Andi Kleen <ak@suse.de>
diff --git a/arch/x86_64/kernel/ptrace.c b/arch/x86_64/kernel/ptrace.c
index 3a52c7b..412c6a8 100644
--- a/arch/x86_64/kernel/ptrace.c
+++ b/arch/x86_64/kernel/ptrace.c
@@ -138,7 +138,7 @@
case 0x26: case 0x2e:
case 0x36: case 0x3e:
case 0x64: case 0x65:
- case 0xf0: case 0xf2: case 0xf3:
+ case 0xf2: case 0xf3:
continue;
case 0x40 ... 0x4f:
@@ -148,7 +148,7 @@
/* 64-bit mode: REX prefix */
continue;
- /* CHECKME: f0, f2, f3 */
+ /* CHECKME: f2, f3 */
/*
* pushf: NOTE! We should probably not let