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| author | Ingo Molnar <mingo@kernel.org> | 2020-02-05 08:44:22 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2020-02-05 08:44:22 +0100 |
| commit | fdff7c21ea00787e3f70a1a00b40b88eb998c6ad (patch) | |
| tree | 03016a8375e849e2c39dec8a15d660055bb16a8c /kernel/sched/debug.c | |
| parent | f1ec3a517b4352e78dbef6b1e591f43202ecb3fe (diff) | |
| parent | b3a6082223369203d7e7db7e81253ac761377644 (diff) | |
Merge branch 'linus' into perf/urgent, to synchronize with upstream
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/sched/debug.c')
| -rw-r--r-- | kernel/sched/debug.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c index f7e4579e746c..879d3ccf3806 100644 --- a/kernel/sched/debug.c +++ b/kernel/sched/debug.c @@ -751,9 +751,16 @@ void sysrq_sched_debug_show(void) int cpu; sched_debug_header(NULL); - for_each_online_cpu(cpu) + for_each_online_cpu(cpu) { + /* + * Need to reset softlockup watchdogs on all CPUs, because + * another CPU might be blocked waiting for us to process + * an IPI or stop_machine. + */ + touch_nmi_watchdog(); + touch_all_softlockup_watchdogs(); print_cpu(NULL, cpu); - + } } /* |