Messages in this thread | | | Date | Sat, 12 Dec 2015 00:26:11 +0100 (CET) | From | Jiri Kosina <> | Subject | Re: [PATCH v3 4/4] printk/nmi: Increase the size of NMI buffer and make it configurable |
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On Fri, 11 Dec 2015, Russell King - ARM Linux wrote:
> I'm personally happy with the existing code, and I've been wondering why > there's this effort to apply further cleanups - to me, the changelogs > don't seem to make that much sense, unless we want to start using > printk() extensively in NMI functions - using the generic nmi backtrace > code surely gets us something that works across all architectures...
It is already being used extensively, and not only for all-CPU backtraces. For starters, please consider
- WARN_ON(in_nmi()) - BUG_ON(in_nmi()) - anything being printed out from MCE handlers
-- Jiri Kosina SUSE Labs
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