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| author |   Petr Mladek <pmladek@suse.com> | 2021-11-18 10:03:47 +0100 |
|---|---|---|
| committer | Petr Mladek <pmladek@suse.com> | 2021-11-18 10:03:47 +0100 |
| commit | bf6d0d1e1ab38309ea2a234e2e4ba2a18d014af9 (patch) | |
| tree | acc97528dc62243c6379d0eb7c8823b861fd968b /arch | |
| parent | printk: Remove printk.h inclusion in percpu.h (diff) | |
| parent | printk: restore flushing of NMI buffers on remote CPUs after NMI backtraces (diff) | |
| download | wireguard-linux-bf6d0d1e1ab38309ea2a234e2e4ba2a18d014af9.tar.xz wireguard-linux-bf6d0d1e1ab38309ea2a234e2e4ba2a18d014af9.zip | |
Merge branch 'rework/printk_safe-removal' into for-linus
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/kernel/watchdog.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/watchdog.c b/arch/powerpc/kernel/watchdog.c index f9ea0e5357f9..3fa6d240bade 100644 --- a/arch/powerpc/kernel/watchdog.c +++ b/arch/powerpc/kernel/watchdog.c @@ -187,6 +187,12 @@ static void watchdog_smp_panic(int cpu, u64 tb) if (sysctl_hardlockup_all_cpu_backtrace) trigger_allbutself_cpu_backtrace(); + /* + * Force flush any remote buffers that might be stuck in IRQ context + * and therefore could not run their irq_work. + */ + printk_trigger_flush(); + if (hardlockup_panic) nmi_panic(NULL, "Hard LOCKUP"); |