The patch titled
kprobe cleanup for VM_MASK judgement
has been added to the -mm tree. Its filename is
kprobe-cleanup-for-vm_mask-judgement.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
From: "mao, bibo" <bibo.mao@xxxxxxxxx>
When trap happens in user space, kprobe_exceptions_notify() funtion will
skip it. This patch deletes some unnecessary code for VM_MASK judgement in
eflags.
Signed-off-by: bibo, mao <bibo.mao@xxxxxxxxx>
Cc: Masami Hiramatsu <hiramatu@xxxxxxxxxxxxxxxxx>
Cc: Ananth N Mavinakayanahalli <ananth@xxxxxxxxxx>
Acked-by: "Keshavamurthy, Anil S" <anil.s.keshavamurthy@xxxxxxxxx>
Acked-by: Prasanna S Panchamukhi <prasanna@xxxxxxxxxx>
Cc: Jim Keniston <jkenisto@xxxxxxxxxx>
Cc: Yumiko Sugita <sugita@xxxxxxxxxxxxxxxxx>
Cc: Satoshi Oshima <soshima@xxxxxxxxxx>
Cc: Hideo Aoki <haoki@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
arch/i386/kernel/kprobes.c | 9 ---------
1 files changed, 9 deletions(-)
diff -puN arch/i386/kernel/kprobes.c~kprobe-cleanup-for-vm_mask-judgement arch/i386/kernel/kprobes.c
--- 25/arch/i386/kernel/kprobes.c~kprobe-cleanup-for-vm_mask-judgement Wed Apr 26 14:53:31 2006
+++ 25-akpm/arch/i386/kernel/kprobes.c Wed Apr 26 14:53:31 2006
@@ -291,10 +291,6 @@ static int __kprobes kprobe_handler(stru
kcb->kprobe_status = KPROBE_REENTER;
return 1;
} else {
- if (regs->eflags & VM_MASK) {
- /* We are in virtual-8086 mode. Return 0 */
- goto no_kprobe;
- }
if (*addr != BREAKPOINT_INSTRUCTION) {
/* The breakpoint instruction was removed by
* another cpu right after we hit, no further
@@ -314,11 +310,6 @@ static int __kprobes kprobe_handler(stru
p = get_kprobe(addr);
if (!p) {
- if (regs->eflags & VM_MASK) {
- /* We are in virtual-8086 mode. Return 0 */
- goto no_kprobe;
- }
-
if (*addr != BREAKPOINT_INSTRUCTION) {
/*
* The breakpoint instruction was removed right
_
Patches currently in -mm which might be from bibo.mao@xxxxxxxxx are
kprobemulti-kprobe-posthandler-for-booster.patch
kprobe-cleanup-for-vm_mask-judgement.patch
-
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