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| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2008-08-01 16:39:23 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2008-08-01 16:39:36 +0200 |
| commit | fc7e1e4b1ca69109d0f694e47ef2328dcb0ebe6e (patch) | |
| tree | 2435a59d78c10b5bd475f126cbed3251c99bd781 /drivers/s390 | |
| parent | 26f746f3e3bb44b37a894318aa8e808b914ad663 (diff) | |
| download | op-kernel-dev-fc7e1e4b1ca69109d0f694e47ef2328dcb0ebe6e.zip op-kernel-dev-fc7e1e4b1ca69109d0f694e47ef2328dcb0ebe6e.tar.gz | |
[S390] dont use kthread for smp_rescan_cpus().
Since git commit 3da1c84c00c7e5fa8348336bd8c342f9128b0f14
"workqueues: make get_online_cpus() useable for work->func()"
it is safe to call get_online_cpus() from workqueue context.
So remove the kthread workaround again.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390')
| -rw-r--r-- | drivers/s390/char/sclp_config.c | 13 |
1 files changed, 1 insertions, 12 deletions
diff --git a/drivers/s390/char/sclp_config.c b/drivers/s390/char/sclp_config.c index fff4ff4..4cebd6e 100644 --- a/drivers/s390/char/sclp_config.c +++ b/drivers/s390/char/sclp_config.c @@ -8,7 +8,6 @@ #include <linux/init.h> #include <linux/errno.h> #include <linux/cpu.h> -#include <linux/kthread.h> #include <linux/sysdev.h> #include <linux/workqueue.h> #include <asm/smp.h> @@ -41,19 +40,9 @@ static void sclp_cpu_capability_notify(struct work_struct *work) put_online_cpus(); } -static int sclp_cpu_kthread(void *data) -{ - smp_rescan_cpus(); - return 0; -} - static void __ref sclp_cpu_change_notify(struct work_struct *work) { - /* Can't call smp_rescan_cpus() from workqueue context since it may - * deadlock in case of cpu hotplug. So we have to create a kernel - * thread in order to call it. - */ - kthread_run(sclp_cpu_kthread, NULL, "cpu_rescan"); + smp_rescan_cpus(); } static void sclp_conf_receiver_fn(struct evbuf_header *evbuf) |
