[PATCH] Remove set_fs() in stop_machine()

\r)

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>

diff --git a/kernel/stop_machine.c b/kernel/stop_machine.c
index b3d4dc8..dcfb5d7 100644 (file)
--- 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;