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Re: [PATCH RFC] x86/traps: show unhandled signal for i386 in do_trap()

From "Jan Beulich" <JBeulich@suse.com>
Newsgroups linux.kernel
Subject Re: [PATCH RFC] x86/traps: show unhandled signal for i386 in do_trap()
Date 2016-03-10 14:50 +0100
Message-ID <rb98t-7FW-3@gated-at.bofh.it> (permalink)
References <rb7T3-6WL-1@gated-at.bofh.it>
Organization linux.* mail to news gateway

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>>> On 10.03.16 at 13:19, <nasa4836@gmail.com> wrote:
> Commit abd4f7505baf ("x86: i386-show-unhandled-signals-v3") did turn on
> the showing-unhandled-signal behaviour for i386 for some exception handlers,
> but for no reason do_trap() is left out(my naive guess is because turning it 
> on
> for do_trap() would be too noisy since do_trap() is shared by several 
> exceptions).
> 
> And since the same commit make "show_unhandled_signals" a debug tunable(in
> /proc/sys/debug/exception-trace), and x86 by default turning it on. So it 
> would be
> strange for i386 users who turing it on manually and expect seeing the 
> unhandled signal
> output in log, but nothing.
> 
> This patch turns it on for i386 in do_trap().
> 
> Signed-off-by: Jianyu Zhan <nasa4836@gmail.com>

I've been carrying this patch for years, without ever being able to
decide whether the distinction between 32-bit and 64-bit was
intentional.

Reviewed-by: Jan Beulich <jbeulich@suse.com>

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Thread

[PATCH RFC] x86/traps: show unhandled signal for i386 in do_trap() Jianyu Zhan <nasa4836@gmail.com> - 2016-03-10 13:30 +0100
  Re: [PATCH RFC] x86/traps: show unhandled signal for i386 in  do_trap() "Jan Beulich" <JBeulich@suse.com> - 2016-03-10 14:50 +0100
  [tip:x86/asm] x86/entry/traps: Show unhandled signal for i386 in  do_trap() tip-bot for Jianyu Zhan <tipbot@zytor.com> - 2016-03-10 19:40 +0100

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