linux-kernel - Re: [PATCH 1/2] limit print_fatal

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Date:	Thu, 24 May 2007 10:50:49 +0200 (MEST)
From:	Andrea Righi <righiandr@...rs.sourceforge.net>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Bernd Eckenfels <ecki@...a.inka.de>,
	linux-kernel@...r.kernel.org, Rik van Riel <riel@...hat.com>,
	linux-mm@...ck.org
Subject: Re: [PATCH 1/2] limit print_fatal_signal() rate

Ingo Molnar wrote:
> * Andrew Morton <akpm@...ux-foundation.org> wrote:
> 
>> Well OK.  But vdso-print-fatal-signals.patch is designated 
>> not-for-mainline anyway.
> 
> btw., why? It's very, very useful to distro, early-boot-userspace and 
> glibc development. The only add-on change should be to not print SIGKILL 
> events. Otherwise it's very much a keeper. Hm?
> 

Actually it seems that SIGKILLs are not printed. In get_signal_to_deliver() we have:

[snip]
@@ -1843,6 +1879,8 @@ relock:
 		 * Anything else is fatal, maybe with a core dump.
 		 */
 		current->flags |= PF_SIGNALED;
+		if ((signr != SIGKILL) && print_fatal_signals)
+			print_fatal_signal(regs, signr);
 		if (sig_kernel_coredump(signr)) {
 			/*
 			 * If it was able to dump core, this kills all
[snip]

-Andrea
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