From 6404434525bb9f8f2239998f30fd7c93f2efa5b3 Mon Sep 17 00:00:00 2001
From: Frederic Weisbecker <fweisbec@gmail.com>
Date: Sun, 15 Mar 2009 22:10:36 +0100
Subject: [PATCH] tracing/syscalls: various cleanups
Impact: cleanup
- Drop unused cpu variable
- Fix some errors on comments
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
LKML-Reference: <1237151439-6755-2-git-send-email-fweisbec@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
kernel/trace/trace_syscalls.c | 10 ++--------
1 file changed, 2 insertions(+), 8 deletions(-)
diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c
index c5fc1d8880f6f..26f9a8679d3db 100644
--- a/kernel/trace/trace_syscalls.c
+++ b/kernel/trace/trace_syscalls.c
@@ -7,7 +7,7 @@
static atomic_t refcount;
-/* Our two options */
+/* Option to display the parameters types */
enum {
TRACE_SYSCALLS_OPT_TYPES = 0x1,
};
@@ -18,7 +18,7 @@ static struct tracer_opt syscalls_opts[] = {
};
static struct tracer_flags syscalls_flags = {
- .val = 0, /* By default: no args types */
+ .val = 0, /* By default: no parameters types */
.opts = syscalls_opts
};
@@ -135,12 +135,9 @@ void ftrace_syscall_enter(struct pt_regs *regs)
struct ring_buffer_event *event;
int size;
int syscall_nr;
- int cpu;
syscall_nr = syscall_get_nr(current, regs);
- cpu = raw_smp_processor_id();
-
sys_data = syscall_nr_to_meta(syscall_nr);
if (!sys_data)
return;
@@ -166,12 +163,9 @@ void ftrace_syscall_exit(struct pt_regs *regs)
struct syscall_metadata *sys_data;
struct ring_buffer_event *event;
int syscall_nr;
- int cpu;
syscall_nr = syscall_get_nr(current, regs);
- cpu = raw_smp_processor_id();
-
sys_data = syscall_nr_to_meta(syscall_nr);
if (!sys_data)
return;
--
2.30.2