linux-kernel - patch uml-fix-boot-crash.patch added to 2.6.25-stable tree

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Date:	Sat, 16 Aug 2008 15:32:40 -0700
From:	<gregkh@...e.de>
To:	jdike@...toit.com, gregkh@...e.de, jdike@...ux.intel.com,
	linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org,
	user-mode-linux-devel@...ts.sourceforge.net
Cc:	<stable@...nel.org>, <stable-commits@...r.kernel.org>
Subject: patch uml-fix-boot-crash.patch added to 2.6.25-stable tree


This is a note to let you know that we have just queued up the patch titled

    Subject: uml: Fix boot crash

to the 2.6.25-stable tree.  Its filename is

    uml-fix-boot-crash.patch

A git repo of this tree can be found at 
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary


>From stable-bounces@...ux.kernel.org Tue Aug  5 13:14:58 2008
From: Jeff Dike <jdike@...toit.com>
Date: Tue, 5 Aug 2008 16:14:10 -0400
Subject: uml: Fix boot crash
To: stable@...nel.org
Cc: LKML <linux-kernel@...r.kernel.org>, uml-devel <user-mode-linux-devel@...ts.sourceforge.net>
Message-ID: <20080805201410.GA11796@...user-mode-linux.org>
Content-Disposition: inline

From: Jeff Dike <jdike@...toit.com>

commit 7c1fed03b9fa32d4323d5caa6a9c7dcdd7eba767 upstream

My copying of linux/init.h didn't go far enough.  The definition of
__used singled out gcc minor version 3, but didn't care what the major
version was.  This broke when unit-at-a-time was added and gcc started
throwing out initcalls.

This results in an early boot crash when ptrace tries to initialize a
process with an empty, uninitialized register set.

Signed-off-by: Jeff Dike <jdike@...ux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@...ux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 arch/um/include/init.h |    8 ++++++++
 1 file changed, 8 insertions(+)

--- a/arch/um/include/init.h
+++ b/arch/um/include/init.h
@@ -45,6 +45,8 @@ typedef void (*exitcall_t)(void);
 # define __section(S) __attribute__ ((__section__(#S)))
 #endif
 
+#if __GNUC__ == 3
+
 #if __GNUC_MINOR__ >= 3
 # define __used			__attribute__((__used__))
 #else
@@ -52,6 +54,12 @@ typedef void (*exitcall_t)(void);
 #endif
 
 #else
+#if __GNUC__ == 4
+# define __used			__attribute__((__used__))
+#endif
+#endif
+
+#else
 #include <linux/compiler.h>
 #endif
 /* These are for everybody (although not all archs will actually


Patches currently in stable-queue which might be from jdike@...toit.com are

queue-2.6.25/uml-fix-build-when-slob-is-enabled.patch
queue-2.6.25/uml-fix-bad-ntp-interaction-with-clock.patch
queue-2.6.25/uml-physical-memory-shouldn-t-include-initial-stack.patch
queue-2.6.25/uml-track-and-make-up-lost-ticks.patch
queue-2.6.25/uml-missed-kmalloc-in-pcap_user.c.patch
queue-2.6.25/uml-deal-with-host-time-going-backwards.patch
queue-2.6.25/uml-deal-with-inaccessible-address-space-start.patch
queue-2.6.25/uml-missing-export-of-csum_partial-on-uml-amd64.patch
queue-2.6.25/uml-memcpy-export-needs-to-follow-host-declaration.patch
queue-2.6.25/uml-stub-needs-to-tolerate-sigwinch.patch
queue-2.6.25/uml-work-around-broken-host-ptrace_sysemu.patch
queue-2.6.25/uml-fix-gcc-ices-and-unresolved-externs.patch
queue-2.6.25/uml-fix-boot-crash.patch
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