[3.13.y.z extended stable] Patch "powerpc/compat: 32-bit little endian machine name is ppcle, not ppc" has been added to staging queue

Kamal Mostafa kamal at canonical.com
Thu May 1 19:17:25 UTC 2014

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

    powerpc/compat: 32-bit little endian machine name is ppcle, not ppc

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


This patch is scheduled to be released in version

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.z tree, see



>From 3790b0176776370d531d08783440b31010324edd Mon Sep 17 00:00:00 2001
From: Anton Blanchard <anton at samba.org>
Date: Thu, 6 Mar 2014 16:10:11 +1100
Subject: powerpc/compat: 32-bit little endian machine name is ppcle, not ppc

commit 422b9b9684db3c511e65c91842275c43f5910ae9 upstream.

I noticed this when testing setarch. No, we don't magically
support a big endian userspace on a little endian kernel.

Signed-off-by: Anton Blanchard <anton at samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh at kernel.crashing.org>
Signed-off-by: Kamal Mostafa <kamal at canonical.com>
 arch/powerpc/include/asm/compat.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/powerpc/include/asm/compat.h b/arch/powerpc/include/asm/compat.h
index a613d2c..b142b8e 100644
--- a/arch/powerpc/include/asm/compat.h
+++ b/arch/powerpc/include/asm/compat.h
@@ -8,7 +8,11 @@
 #include <linux/sched.h>

 #define COMPAT_USER_HZ		100
+#ifdef __BIG_ENDIAN__
 #define COMPAT_UTS_MACHINE	"ppc\0\0"
+#define COMPAT_UTS_MACHINE	"ppcle\0\0"

 typedef u32		compat_size_t;
 typedef s32		compat_ssize_t;

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