[PATCH] Remove set_fs() in stop_machine()

)

From: Brian Gerst <bgerst@didntduck.org>

Call sched_setscheduler() directly instead.

Signed-off-by: Brian Gerst <bgerst@didntduck.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 1 insertions, 5 deletions

diff --git a/kernel/stop_machine.c b/kernel/stop_machine.c
index b3d4dc858e35..dcfb5d731466 100644
--- a/kernel/stop_machine.c
+++ b/kernel/stop_machine.c
@@ -87,13 +87,9 @@ static int stop_machine(void)
 {
         int i, ret = 0;
         struct sched_param param = { .sched_priority = MAX_RT_PRIO-1 };
-        mm_segment_t old_fs = get_fs();
 
         /* One high-prio thread per cpu.  We'll do this one. */
-        set_fs(KERNEL_DS);
-        sys_sched_setscheduler(current->pid, SCHED_FIFO,
-                                (struct sched_param __user *)&param);
-        set_fs(old_fs);
+        sched_setscheduler(current, SCHED_FIFO, &param);
 
         atomic_set(&stopmachine_thread_ack, 0);
         stopmachine_num_threads = 0;