linux-kernel - linux-next: build failure after merge of the moduleh tree

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Date:	Wed, 10 Aug 2011 11:49:56 +1000
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	Paul Gortmaker <paul.gortmaker@...driver.com>
Cc:	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Borislav Petkov <borislav.petkov@....com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...e.hu>, "H. Peter Anvin" <hpa@...or.com>,
	Peter Zijlstra <peterz@...radead.org>
Subject: linux-next: build failure after merge of the moduleh tree

Hi Paul,

After merging the moduleh tree, today's linux-next build (x86_64
allmodconfig) failed like this:

arch/x86/kernel/cpu/amd.c: In function 'bsp_init_amd':
arch/x86/kernel/cpu/amd.c:437:3: error: 'va_align' undeclared (first use in this function)
arch/x86/kernel/cpu/amd.c:438:23: error: 'ALIGN_VA_32' undeclared (first use in this function)
arch/x86/kernel/cpu/amd.c:438:37: error: 'ALIGN_VA_64' undeclared (first use in this function)

Caused by the module.h split up intreacting with commit dfb09f9b7ab0
("x86, amd: Avoid cache aliasing penalties on AMD family 15h") from the
tip tree.

I have added the following patch for today (this, or something similar,
could be applied to the tip tree directly - the export.h include below
was added by the module.h splitup).

From: Stephen Rothwell <sfr@...b.auug.org.au>
Date: Wed, 10 Aug 2011 11:45:44 +1000
Subject: [PATCH] x86, amd: using va_align requires includeing elf.h

Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
---
 arch/x86/kernel/cpu/amd.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
index c17a8c4..a19a209 100644
--- a/arch/x86/kernel/cpu/amd.c
+++ b/arch/x86/kernel/cpu/amd.c
@@ -2,6 +2,7 @@
 #include <linux/bitops.h>
 #include <linux/export.h>
 #include <linux/mm.h>
+#include <linux/elf.h>
 
 #include <linux/io.h>
 #include <asm/processor.h>
-- 
1.7.5.4

-- 
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au
http://www.canb.auug.org.au/~sfr/
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