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authorZachary Amsden <zach@vmware.com>2006-06-23 02:04:30 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-23 07:42:58 -0700
commit6444541671bd821b950dbaafee70d65188198aa6 (patch)
treebec166679ad3659407bafa0b088c5932461e8928
parent19964fecf25c17f865dec07ae242b1a40ea93f16 (diff)
downloadop-kernel-dev-6444541671bd821b950dbaafee70d65188198aa6.zip
op-kernel-dev-6444541671bd821b950dbaafee70d65188198aa6.tar.gz
[PATCH] i386: don't try kprobes for v8086 mode
Never allow int3 traps from V8086 mode to enter the kprobes handler. Signed-off-by: Zachary Amsden <zach@vmware.com> Cc: Prasanna S Panchamukhi <prasanna@in.ibm.com> Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com> Cc: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com> Cc: Chuck Ebbert <76306.1226@compuserve.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
-rw-r--r--arch/i386/kernel/kprobes.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/i386/kernel/kprobes.c b/arch/i386/kernel/kprobes.c
index 38806f4..395a9a6 100644
--- a/arch/i386/kernel/kprobes.c
+++ b/arch/i386/kernel/kprobes.c
@@ -607,7 +607,7 @@ int __kprobes kprobe_exceptions_notify(struct notifier_block *self,
struct die_args *args = (struct die_args *)data;
int ret = NOTIFY_DONE;
- if (args->regs && user_mode(args->regs))
+ if (args->regs && user_mode_vm(args->regs))
return ret;
switch (val) {
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