Messages in this thread | | | Date | Thu, 24 Jun 2021 14:26:44 +0200 | From | Petr Mladek <> | Subject | Re: [PATCH printk v3 1/6] lib/nmi_backtrace: explicitly serialize banner and regs |
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On Thu 2021-06-24 13:17:43, John Ogness wrote: > Currently the nmi_backtrace is serialized against other CPUs because > the messages are sent to the NMI buffers. Once these buffers are > removed, only the dumped stack will be serialized against other CPUs > (via the printk_cpu_lock). > > Also serialize the nmi_backtrace banner and regs using the > printk_cpu_lock so that per-CPU serialization will be preserved even > after the NMI buffers are removed. > > Signed-off-by: John Ogness <john.ogness@linutronix.de>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Best Regards, Petr
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