linux-kernel - Re: signals logged / [RFC] log out-of-virtual-memory events

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Message-ID: <464FC6AA.2060805@cosmosbay.com>
Date:	Sun, 20 May 2007 05:55:22 +0200
From:	Eric Dumazet <dada1@...mosbay.com>
To:	Folkert van Heusden <folkert@...heusden.com>
CC:	Jan Engelhardt <jengelh@...ux01.gwdg.de>, Andi Kleen <ak@...e.de>,
	Rik van Riel <riel@...hat.com>,
	righiandr@...rs.sourceforge.net,
	LKML <linux-kernel@...r.kernel.org>, linux-mm@...ck.org
Subject: Re: signals logged / [RFC] log out-of-virtual-memory events

Folkert van Heusden a écrit :
>>>> I do not see such on i386, so why for x86_64?
>>> So that you know that one of your programs crashed. That's a feature.
>> This feature could be handy for i386 too.
> 
> Since 2.6.18.2 I use this patch. With 2.6.21.1 it still applies altough
> with a small offsets. Works like a charm.
> 
> 
> Signed-off by: Folkert van Heusden <folkert@...heusden.com>
> 
> --- linux-2.6.18.2/kernel/signal.c      2006-11-04 02:33:58.000000000 +0100
> +++ linux-2.6.18.2.new/kernel/signal.c  2006-11-17 15:59:13.000000000 +0100
> @@ -706,6 +706,15 @@
>         struct sigqueue * q = NULL;
>         int ret = 0;
> 
> +       if (sig == SIGQUIT || sig == SIGILL  || sig == SIGTRAP ||
> +           sig == SIGABRT || sig == SIGBUS  || sig == SIGFPE  ||
> +           sig == SIGSEGV || sig == SIGXCPU || sig == SIGXFSZ ||
> +           sig == SIGSYS  || sig == SIGSTKFLT)
> +       {
> +               printk(KERN_WARNING "Sig %d send to %d owned by %d.%d (%s)\n",
> +                       sig, t -> pid, t -> uid, t -> gid, t -> comm);
> +       }
> +

Please check line 219 of Documentation/CodingStyle, Section 3.1: Spaces

	and no space around the '.' and "->" structure member operators.

Thank you

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