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Subject[tip:tracing/syscalls] tracing/syscalls: various cleanups
Commit-ID:  6404434525bb9f8f2239998f30fd7c93f2efa5b3
Gitweb: http://git.kernel.org/tip/6404434525bb9f8f2239998f30fd7c93f2efa5b3
Author: Frederic Weisbecker <fweisbec@gmail.com>
AuthorDate: Sun, 15 Mar 2009 22:10:36 +0100
Commit: Ingo Molnar <mingo@elte.hu>
CommitDate: Mon, 16 Mar 2009 09:13:16 +0100

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 files changed, 2 insertions(+), 8 deletions(-)

diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c
index c5fc1d8..26f9a86 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;

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