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authorZachary Amsden <zach@vmware.com>2006-06-23 05:04:30 -0400
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-23 10:42:58 -0400
commit6444541671bd821b950dbaafee70d65188198aa6 (patch)
treebec166679ad3659407bafa0b088c5932461e8928 /arch/i386
parent19964fecf25c17f865dec07ae242b1a40ea93f16 (diff)
[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>
Diffstat (limited to 'arch/i386')
-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 38806f427849..395a9a6dff88 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,
607 struct die_args *args = (struct die_args *)data; 607 struct die_args *args = (struct die_args *)data;
608 int ret = NOTIFY_DONE; 608 int ret = NOTIFY_DONE;
609 609
610 if (args->regs && user_mode(args->regs)) 610 if (args->regs && user_mode_vm(args->regs))
611 return ret; 611 return ret;
612 612
613 switch (val) { 613 switch (val) {