[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>

diff --git a/arch/i386/kernel/kprobes.c b/arch/i386/kernel/kprobes.c
index 38806f427849f7f4dc8c76891229f952791064c3..395a9a6dff883f9b1d49ceb430c632e4a2a55d43 100644 (file)
--- 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) {