diff options
| 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 /lib | |
| 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 | linux-dev-bf6d0d1e1ab38309ea2a234e2e4ba2a18d014af9.tar.xz linux-dev-bf6d0d1e1ab38309ea2a234e2e4ba2a18d014af9.zip | |
Merge branch 'rework/printk_safe-removal' into for-linus
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/nmi_backtrace.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/nmi_backtrace.c b/lib/nmi_backtrace.c index f9e89001b52e..199ab201d501 100644 --- a/lib/nmi_backtrace.c +++ b/lib/nmi_backtrace.c @@ -75,6 +75,12 @@ void nmi_trigger_cpumask_backtrace(const cpumask_t *mask, touch_softlockup_watchdog(); } + /* + * Force flush any remote buffers that might be stuck in IRQ context + * and therefore could not run their irq_work. + */ + printk_trigger_flush(); + clear_bit_unlock(0, &backtrace_flag); put_cpu(); } |