Commit ed653a64 authored by akpm@osdl.org's avatar akpm@osdl.org Committed by Linus Torvalds
Browse files

[PATCH] Remove set_fs() in stop_machine() 




)

From: Brian Gerst <bgerst@didntduck.org>

Call sched_setscheduler() directly instead.

Signed-off-by: default avatarBrian Gerst <bgerst@didntduck.org>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent df2e71fb

kernel/stop_machine.c

+1 −5
Original line number Diff line number Diff line
@@ -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;