linux-kernel - [PATCH 5/6] UML - stub needs to tolerate SIGWINCH

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Message-ID: <20080603190237.GA9515@c2.user-mode-linux.org>
Date:	Tue, 3 Jun 2008 15:02:37 -0400
From:	Jeff Dike <jdike@...toit.com>
To:	Andrew Morton <akpm@...l.org>, LKML <linux-kernel@...r.kernel.org>,
	uml-devel <user-mode-linux-devel@...ts.sourceforge.net>
Cc:	Benedict Verheyen <benedict.verheyen@...il.com>
Subject: [PATCH 5/6] UML - stub needs to tolerate SIGWINCH

We lost the marking of SIGWINCH as being OK to receive during stub
execution, causing a panic should that happen.

Cc: Benedict Verheyen <benedict.verheyen@...il.com>
Signed-off-by: Jeff Dike <jdike@...ux.intel.com>
---
 arch/um/os-Linux/skas/process.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Index: linux-2.6.22/arch/um/os-Linux/skas/process.c
===================================================================
--- linux-2.6.22.orig/arch/um/os-Linux/skas/process.c	2008-04-14 10:44:33.000000000 -0400
+++ linux-2.6.22/arch/um/os-Linux/skas/process.c	2008-05-13 11:37:35.000000000 -0400
@@ -55,7 +55,7 @@ static int ptrace_dump_regs(int pid)
  * Signals that are OK to receive in the stub - we'll just continue it.
  * SIGWINCH will happen when UML is inside a detached screen.
  */
-#define STUB_SIG_MASK (1 << SIGVTALRM)
+#define STUB_SIG_MASK ((1 << SIGVTALRM) | (1 << SIGWINCH))
 
 /* Signals that the stub will finish with - anything else is an error */
 #define STUB_DONE_MASK (1 << SIGTRAP)
--
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