Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [ 05/23] tracing: Fix irqs-off tag display in syscall tracing | Date | Fri, 2 Aug 2013 18:23:18 +0800 |
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3.0-stable review patch. If anyone has any objections, please let me know.
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From: "zhangwei(Jovi)" <jovi.zhangwei@huawei.com>
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> --- kernel/trace/trace_syscalls.c | 3 +++ 1 file changed, 3 insertions(+)
--- a/kernel/trace/trace_syscalls.c +++ b/kernel/trace/trace_syscalls.c @@ -357,6 +357,9 @@ void ftrace_syscall_exit(void *ignore, s 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);
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