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Re: [v2 PATCH 1/3] panic: Change nmi_panic from macro to function

From Borislav Petkov <bp@alien8.de>
Newsgroups linux.kernel
Subject Re: [v2 PATCH 1/3] panic: Change nmi_panic from macro to function
Date 2016-03-02 14:30 +0100
Message-ID <r8f0L-89o-33@gated-at.bofh.it> (permalink)
References <r8cvT-6qw-3@gated-at.bofh.it> <r8cvT-6qw-11@gated-at.bofh.it> <r8eR3-84M-1@gated-at.bofh.it>
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On Wed, Mar 02, 2016 at 02:18:24PM +0100, Michal Hocko wrote:
> On Wed 02-03-16 19:36:26, Hidehiro Kawai wrote:
> [...]
> > +void nmi_panic(struct pt_regs *regs, const char *fmt, ...)
> 
> Do we really need vargs? All the current users seem to be OK with a
> simple string. This makes the code slightly more complicated without any
> apparent reason.

I was just wondering the exactly same thing...

The contra-arg would be that in case someone wants to do nmi_panic()
with more than a string, then it won't work.

The question is, does nmi_panic() even need to dump something more than
regs and a string?

-- 
Regards/Gruss,
    Boris.

ECO tip #101: Trim your mails when you reply.

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Thread

[v2 PATCH 0/3] Use nmi_panic() in panic on NMI case Hidehiro Kawai <hidehiro.kawai.ez@hitachi.com> - 2016-03-02 11:50 +0100
  [v2 PATCH 2/3] ipmi/watchdog: Use nmi_panic() when kernel panics in  NMI handler Hidehiro Kawai <hidehiro.kawai.ez@hitachi.com> - 2016-03-02 11:50 +0100
  [v2 PATCH 1/3] panic: Change nmi_panic from macro to function Hidehiro Kawai <hidehiro.kawai.ez@hitachi.com> - 2016-03-02 11:50 +0100
    Re: [v2 PATCH 1/3] panic: Change nmi_panic from macro to function Michal Hocko <mhocko@kernel.org> - 2016-03-02 14:20 +0100
      Re: [v2 PATCH 1/3] panic: Change nmi_panic from macro to function Borislav Petkov <bp@alien8.de> - 2016-03-02 14:30 +0100
        RE: [v2 PATCH 1/3] panic: Change nmi_panic from macro to function 河合英宏 / KAWAI,HIDEHIRO   <hidehiro.kawai.ez@hitachi.com> - 2016-03-03 02:30 +0100
      Re: [v2 PATCH 1/3] panic: Change nmi_panic from macro to function Guenter Roeck <linux@roeck-us.net> - 2016-03-02 18:10 +0100

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