diff options
| author | zhangwei(Jovi) <jovi.zhangwei@huawei.com> | 2013-07-29 09:33:58 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-08-04 16:25:45 +0800 |
| commit | 352b6418a2d14c754b41f23e0698f0006c914b95 (patch) | |
| tree | 381768caaaa7dcaa97e24c51ca84830ecd9cca6e /kernel/trace | |
| parent | e5f8b2d71c3b617d2d5ce9568067b1458b47a517 (diff) | |
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) <jovi.zhangwei@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'kernel/trace')
| -rw-r--r-- | kernel/trace/trace_syscalls.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c index e67518256a5..c9ce09addac 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); |