On 2013/7/29 9:33, zhangwei(Jovi) wrote: > commit 11034ae9c20f4057a6127fc965906417978e69b2 upstream > I don't think the stable versions that contain this fix have been released, so I think you should ask Greg to drop the patch and resend the patch with this fix folded. > Initialization of variable irq_flags and pc was missed when backport > 11034ae9c to linux-3.0.y and linux-3.4.y, my fault. > > Signed-off-by: zhangwei(Jovi) <jovi.zhangwei@xxxxxxxxxx> > --- > kernel/trace/trace_syscalls.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c > index e675182..c9ce09a 100644 > --- a/kernel/trace/trace_syscalls.c > +++ b/kernel/trace/trace_syscalls.c > @@ -358,6 +358,9 @@ void ftrace_syscall_exit(void *ignore, struct pt_regs *regs, long ret) > if (!sys_data) > return; > > + local_save_flags(irq_flags); > + pc = preempt_count(); > + > event = trace_current_buffer_lock_reserve(&buffer, > sys_data->exit_event->event.type, sizeof(*entry), > irq_flags, pc); > -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html