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| author | Frederic Weisbecker <fweisbec@gmail.com> | 2015-09-05 00:45:06 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-09-05 01:54:41 +0200 |
| commit | 230ec93909f00678401cb2d63b8b95f1dea68e40 (patch) | |
| tree | 1eb01a44e0d66d76306f598d595a4bdaccd21b64 /kernel/watchdog.c | |
| parent | smpboot: make cleanup to mirror setup (diff) | |
| download | linux-230ec93909f00678401cb2d63b8b95f1dea68e40.tar.xz linux-230ec93909f00678401cb2d63b8b95f1dea68e40.zip | |
smpboot: allow passing the cpumask on per-cpu thread registration
It makes the registration cheaper and simpler for the smpboot per-cpu
kthread users that don't need to always update the cpumask after threads
creation.
[sfr@canb.auug.org.au: fix for allow passing the cpumask on per-cpu thread registration]
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Reviewed-by: Chris Metcalf <cmetcalf@ezchip.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Chris Metcalf <cmetcalf@ezchip.com>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ulrich Obergfell <uobergfe@redhat.com>
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/watchdog.c')
| -rw-r--r-- | kernel/watchdog.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/kernel/watchdog.c b/kernel/watchdog.c index a6ffa43f2993..e5bb86fb0ea5 100644 --- a/kernel/watchdog.c +++ b/kernel/watchdog.c @@ -713,15 +713,12 @@ static int watchdog_enable_all_cpus(void) int err = 0; if (!watchdog_running) { - err = smpboot_register_percpu_thread(&watchdog_threads); + err = smpboot_register_percpu_thread_cpumask(&watchdog_threads, + &watchdog_cpumask); if (err) pr_err("Failed to create watchdog threads, disabled\n"); - else { - if (smpboot_update_cpumask_percpu_thread( - &watchdog_threads, &watchdog_cpumask)) - pr_err("Failed to set cpumask for watchdog threads\n"); + else watchdog_running = 1; - } } else { /* * Enable/disable the lockup detectors or |