[PATCH RESEND -next] torture: avoid build error without CONFIG_RCU_TORTURE_TEST

[Hongbo Yao]

If TORTURE_TEST=y(selected by TORTURE_LOCK_TEST) and RCU_TORTURE_TEST=n,
the following error is seen while building kernel/torture.c

kernel/torture.c: In function torture_onoff:
kernel/torture.c:239:3: error: implicit declaration of function
rcutorture_sched_setaffinity; did you mean __NR_ia32_sched_setaffinity?
[-Werror=implicit-function-declaration]
   rcutorture_sched_setaffinity(current->pid, cpumask_of(0));

Using sched_setaffnity() instead of rcutorture_sched_setaffinity() to
avoid the error.

Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Fixes: bc3db9afb849 ("EXP: rcutorture hack to force CPU hotplug onto CPU 0")
Signed-off-by: Hongbo Yao <yaohongbo@xxxxxxxxxx>
---
 kernel/torture.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/torture.c b/kernel/torture.c
index b29adec50e01..834214cbd1cd 100644
--- a/kernel/torture.c
+++ b/kernel/torture.c
@@ -236,7 +236,7 @@ torture_onoff(void *arg)
 			schedule_timeout_interruptible(HZ / 10);
 			continue;
 		}
-		rcutorture_sched_setaffinity(current->pid, cpumask_of(0));
+		sched_setaffinity(current->pid, cpumask_of(0));
 		cpu = (torture_random(&rand) >> 4) % (maxcpu + 1);
 		if (!torture_offline(cpu,
 				     &n_offline_attempts, &n_offline_successes,
-- 
2.17.1