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Commit 64445416 authored by Zachary Amsden's avatar Zachary Amsden Committed by Linus Torvalds
Browse files

[PATCH] i386: don't try kprobes for v8086 mode 



Never allow int3 traps from V8086 mode to enter the kprobes handler.

Signed-off-by: default avatarZachary 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: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 19964fec

arch/i386/kernel/kprobes.c

+1 −1
Original line number Diff line number Diff line
@@ -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) {