[tip:x86/cpu] x86, amd: Include elf.h explicitly, prepare the code for the module.h split

[tip-bot for Stephen Rothwell]

Commit-ID:  5cdd174feab1b4a74afc494c447906274aed4a20
Gitweb:     http://git.kernel.org/tip/5cdd174feab1b4a74afc494c447906274aed4a20
Author:     Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
AuthorDate: Wed, 10 Aug 2011 11:49:56 +1000
Committer:  Ingo Molnar <mingo@xxxxxxx>
CommitDate: Wed, 10 Aug 2011 10:14:09 +0200

x86, amd: Include elf.h explicitly, prepare the code for the module.h split

When the moduleu.h splitting tree is merged to the latest
tip:x86/cpu tree, the x86_64 allmodconfig build fails 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)

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

So include elf.h to use va_align and remove this implicit
dependency on module.h doing it for us.

Signed-off-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
Cc: Borislav Petkov <borislav.petkov@xxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Paul Gortmaker <paul.gortmaker@xxxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/20110810114956.238d66772883636e3040d29f@xxxxxxxxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
---
 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 b6e3e87..13c6ec8 100644
--- a/arch/x86/kernel/cpu/amd.c
+++ b/arch/x86/kernel/cpu/amd.c
@@ -1,5 +1,6 @@
 #include <linux/init.h>
 #include <linux/bitops.h>
+#include <linux/elf.h>
 #include <linux/mm.h>
 
 #include <linux/io.h>
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