Commit-ID: 13316b31fdaaa45f06793eb7992588359ba6ab9f Gitweb: https://git.kernel.org/tip/13316b31fdaaa45f06793eb7992588359ba6ab9f Author: Frederic Weisbecker <[email protected]> AuthorDate: Fri, 27 Oct 2017 04:42:29 +0200 Committer: Ingo Molnar <[email protected]> CommitDate: Fri, 27 Oct 2017 09:55:25 +0200
sched/isolation, watchdog: Use housekeeping_cpumask() instead of ad-hoc version While trying to disable the watchog on nohz_full CPUs, the watchdog implements an ad-hoc version of housekeeping_cpumask(). Lets replace those re-invented lines. Signed-off-by: Frederic Weisbecker <[email protected]> Acked-by: Thomas Gleixner <[email protected]> Cc: Chris Metcalf <[email protected]> Cc: Christoph Lameter <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: Luiz Capitulino <[email protected]> Cc: Mike Galbraith <[email protected]> Cc: Paul E. McKenney <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Rik van Riel <[email protected]> Cc: Wanpeng Li <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Ingo Molnar <[email protected]> --- kernel/watchdog.c | 11 +++-------- 1 file changed, 3 insertions(+), 8 deletions(-) diff --git a/kernel/watchdog.c b/kernel/watchdog.c index 3c44dba..562652c 100644 --- a/kernel/watchdog.c +++ b/kernel/watchdog.c @@ -774,15 +774,10 @@ int proc_watchdog_cpumask(struct ctl_table *table, int write, void __init lockup_detector_init(void) { -#ifdef CONFIG_NO_HZ_FULL - if (tick_nohz_full_enabled()) { + if (tick_nohz_full_enabled()) pr_info("Disabling watchdog on nohz_full cores by default\n"); - cpumask_copy(&watchdog_cpumask, housekeeping_mask); - } else - cpumask_copy(&watchdog_cpumask, cpu_possible_mask); -#else - cpumask_copy(&watchdog_cpumask, cpu_possible_mask); -#endif + + cpumask_copy(&watchdog_cpumask, housekeeping_cpumask()); if (!watchdog_nmi_probe()) nmi_watchdog_available = true;
