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

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Message-ID: <46517817.1080208@users.sourceforge.net>
Date:	Mon, 21 May 2007 12:45:06 +0200 (MEST)
From:	Andrea Righi <righiandr@...rs.sourceforge.net>
To:	Folkert van Heusden <folkert@...heusden.com>
Cc:	Andi Kleen <ak@...e.de>, Jan Engelhardt <jengelh@...ux01.gwdg.de>,
	Stephen Hemminger <shemminger@...ux-foundation.org>,
	Eric Dumazet <dada1@...mosbay.com>,
	Rik van Riel <riel@...hat.com>,
	LKML <linux-kernel@...r.kernel.org>, linux-mm@...ck.org
Subject: Re: signals logged / [RFC] log out-of-virtual-memory events

Andi Kleen wrote:
>> +	switch(sig) {
>> +	case SIGQUIT: 
>> +	case SIGILL: 
>> +	case SIGTRAP:
>> +	case SIGABRT: 
>> +	case SIGBUS: 
>> +	case SIGFPE:
>> +	case SIGSEGV: 
>> +	case SIGXCPU: 
>> +	case SIGXFSZ:
>> +	case SIGSYS: 
>> +	case SIGSTKFLT:
> 
> Unconditional? That's definitely a very bad idea. If anything only unhandled
> signals should be printed this way because some programs use them internally. 
> But I think your list is far too long anyways.
> 
> -Andi
> 

Maybe you could use somthing similar to unhandled_signal() in
arch/x86_64/mm/fault.c, but I agree that the list seems a bit too long...

-Andrea
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