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| author | zhangwei(Jovi) <jovi.zhangwei@huawei.com> | 2013-07-29 09:33:58 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-08-04 15:43:32 +0800 |
| commit | 197d436deff13594bcc97740147c5ed9e7fe7ddb (patch) | |
| tree | 51861f7d6698cbe9aaee5953df5c4699e412e52a | |
| parent | 95a9769291fda8caa8a98c0eabff769509a6e1ba (diff) | |
| download | kernel_samsung_tuna-197d436deff13594bcc97740147c5ed9e7fe7ddb.zip kernel_samsung_tuna-197d436deff13594bcc97740147c5ed9e7fe7ddb.tar.gz kernel_samsung_tuna-197d436deff13594bcc97740147c5ed9e7fe7ddb.tar.bz2 | |
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>
| -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 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); |