From 197d436deff13594bcc97740147c5ed9e7fe7ddb Mon Sep 17 00:00:00 2001 From: "zhangwei(Jovi)" Date: Mon, 29 Jul 2013 09:33:58 +0800 Subject: tracing: Fix irqs-off tag display in syscall tracing commit 11034ae9c20f4057a6127fc965906417978e69b2 upstream 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) Signed-off-by: Greg Kroah-Hartman --- kernel/trace/trace_syscalls.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'kernel') diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c index 9b7dad8..5819cd5 100644 --- a/kernel/trace/trace_syscalls.c +++ b/kernel/trace/trace_syscalls.c @@ -357,6 +357,9 @@ 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); -- cgit v1.1