From: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
To: Ingo <mingo@elte.hu>
Cc: Frederic Weisbecker <fweisbec@gmail.com>,
Steven Rostedt <rostedt@goodmis.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: [PATCH] tracing/syscall: remove redundant code
Date: Mon, 29 Jun 2009 17:16:23 +0800 [thread overview]
Message-ID: <4A488667.6040004@cn.fujitsu.com> (raw)
No need to call trace_wake_up() explicitly because it's called
in trace_current_buffer_unlock_commit().
Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
---
kernel/trace/trace_syscalls.c | 2 --
1 files changed, 0 insertions(+), 2 deletions(-)
diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c
index 5e57964..dd1ce2c 100644
--- a/kernel/trace/trace_syscalls.c
+++ b/kernel/trace/trace_syscalls.c
@@ -168,7 +168,6 @@ void ftrace_syscall_enter(struct pt_regs *regs)
syscall_get_arguments(current, regs, 0, sys_data->nb_args, entry->args);
trace_current_buffer_unlock_commit(event, 0, 0);
- trace_wake_up();
}
void ftrace_syscall_exit(struct pt_regs *regs)
@@ -194,7 +193,6 @@ void ftrace_syscall_exit(struct pt_regs *regs)
entry->ret = syscall_get_return_value(current, regs);
trace_current_buffer_unlock_commit(event, 0, 0);
- trace_wake_up();
}
static int init_syscall_tracer(struct trace_array *tr)
--
1.6.1.2
next reply other threads:[~2009-06-29 9:16 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-29 9:16 Xiao Guangrong [this message]
2009-06-29 11:13 ` [PATCH] tracing/syscall: remove redundant code Frederic Weisbecker
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