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Commit 64044345 authored by Frederic Weisbecker's avatar Frederic Weisbecker Committed by Ingo Molnar
Browse files

tracing/syscalls: various cleanups 



Impact: cleanup

- Drop unused cpu variable
- Fix some errors on comments

Signed-off-by: default avatarFrederic Weisbecker <fweisbec@gmail.com>
LKML-Reference: <1237151439-6755-2-git-send-email-fweisbec@gmail.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent ac99c58c

kernel/trace/trace_syscalls.c

+2 −8
Original line number Diff line number Diff line
@@ -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;