linux-kernel - [PATCH] signals: cleanup the usage of print_fatal

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Message-ID: <20080310211744.GA1580@tv-sign.ru>
Date:	Tue, 11 Mar 2008 00:17:44 +0300
From:	Oleg Nesterov <oleg@...sign.ru>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Ingo Molnar <mingo@...e.hu>, Roland McGrath <roland@...hat.com>,
	linux-kernel@...r.kernel.org
Subject: [PATCH] signals: cleanup the usage of print_fatal_signal()

Move the callsite of print_fatal_signal() down, under
"if (sig_kernel_coredump(signr))", so we don't need to check signr != SIGKILL.

We are only interested in the sig_kernel_coredump() signals anyway, and due to
the previous changes we almost never can see other fatal signals here except
SIGKILL.

Signed-off-by: Oleg Nesterov <oleg@...sign.ru>

--- 25/kernel/signal.c~PFS_CLEANUP	2008-03-10 00:47:21.000000000 +0300
+++ 25/kernel/signal.c	2008-03-10 23:55:07.000000000 +0300
@@ -1766,9 +1766,10 @@ 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 (print_fatal_signals)
+				print_fatal_signal(regs, signr);
 			/*
 			 * If it was able to dump core, this kills all
 			 * other threads in the group and synchronizes with

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