[3.13.y-ckt stable] Patch "s390/boot: fix boot of compressed kernel built with gcc 4.9" has been added to staging queue

[Kamal Mostafa]

This is a note to let you know that I have just added a patch titled

    s390/boot: fix boot of compressed kernel built with gcc 4.9

to the linux-3.13.y-queue branch of the 3.13.y-ckt extended stable tree 
which can be found at:

    http://kernel.ubuntu.com/git/ubuntu/linux.git/log/?h=linux-3.13.y-queue

This patch is scheduled to be released in version 3.13.11-ckt30.

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.13.y-ckt tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Kamal

------

>From c560f88799175f7a4efb014b2e1db05651f1e969 Mon Sep 17 00:00:00 2001
From: Martin Schwidefsky <schwidefsky at de.ibm.com>
Date: Fri, 23 May 2014 13:18:27 +0200
Subject: s390/boot: fix boot of compressed kernel built with gcc 4.9

commit cedbecd60a8effc66dc8bed4e5489ff9365c9b19 upstream.

Add -fno-delete-null-pointer-checks to CFLAGS for the code in
arch/s390/boot. Without the option a compressed kernel built with
gcc 4.9 won't boot.

Signed-off-by: Martin Schwidefsky <schwidefsky at de.ibm.com>
Signed-off-by: Kamal Mostafa <kamal at canonical.com>
---
 arch/s390/boot/compressed/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/s390/boot/compressed/Makefile b/arch/s390/boot/compressed/Makefile
index 866ecbe..f90d1fc 100644
--- a/arch/s390/boot/compressed/Makefile
+++ b/arch/s390/boot/compressed/Makefile
@@ -12,7 +12,7 @@ targets += misc.o piggy.o sizes.h head$(BITS).o

 KBUILD_CFLAGS := -m$(BITS) -D__KERNEL__ $(LINUX_INCLUDE) -O2
 KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING
-KBUILD_CFLAGS += $(cflags-y)
+KBUILD_CFLAGS += $(cflags-y) -fno-delete-null-pointer-checks
 KBUILD_CFLAGS += $(call cc-option,-mpacked-stack)
 KBUILD_CFLAGS += $(call cc-option,-ffreestanding)

--
1.9.1