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Message-Id: <20110928174214.17a58be15d84d67c185930e1@canb.auug.org.au>
Date: Wed, 28 Sep 2011 17:42:14 +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/sys_x86_64.c:28:10: warning: 'enum align_flags' declared inside parameter list
arch/x86/kernel/sys_x86_64.c:28:10: warning: its scope is only this definition or declaration, which is probably not what you want
arch/x86/kernel/sys_x86_64.c:28:22: error: parameter 3 ('flags') has incomplete type
arch/x86/kernel/sys_x86_64.c:27:15: warning: function declaration isn't a prototype
arch/x86/kernel/sys_x86_64.c: In function 'align_addr':
arch/x86/kernel/sys_x86_64.c:33:6: error: 'va_align' undeclared (first use in this function)
arch/x86/kernel/sys_x86_64.c:33:6: note: each undeclared identifier is reported only once for each function it appears in
arch/x86/kernel/sys_x86_64.c:33:2: error: implicit declaration of function 'mmap_is_ia32'
arch/x86/kernel/sys_x86_64.c:39:17: error: 'ALIGN_VDSO' undeclared (first use in this function)
arch/x86/kernel/sys_x86_64.c:48:16: error: 'ALIGN_TOPDOWN' undeclared (first use in this function)
arch/x86/kernel/sys_x86_64.c: In function 'control_va_addr_alignment':
arch/x86/kernel/sys_x86_64.c:59:6: error: 'va_align' undeclared (first use in this function)
arch/x86/kernel/sys_x86_64.c:69:20: error: 'ALIGN_VA_32' undeclared (first use in this function)
arch/x86/kernel/sys_x86_64.c:71:20: error: 'ALIGN_VA_64' undeclared (first use in this function)
arch/x86/kernel/sys_x86_64.c: In function 'arch_get_unmapped_area_topdown':
arch/x86/kernel/sys_x86_64.c:231:11: error: 'ALIGN_TOPDOWN' undeclared (first use in this function)
Presumably caused by commit dfb09f9b7ab0 ("x86, amd: Avoid cache aliasing
penalties on AMD family 15h") from the tip tree interacting with the
module.h split up.
I applied the following patch (which could be applied to the tip
tree ...).
>From 6b1212311c0728a7e3054e1f187e7c3b9f464bd5 Mon Sep 17 00:00:00 2001
From: Stephen Rothwell <sfr@...b.auug.org.au>
Date: Wed, 28 Sep 2011 17:28:50 +1000
Subject: [PATCH] x86, amd: include linux/elf.h since we use stuff from
asm/elf.h
The lack of this inclusion causes build erros after the module.h split up:
arch/x86/kernel/sys_x86_64.c:28:10: warning: 'enum align_flags' declared inside parameter list
arch/x86/kernel/sys_x86_64.c:28:10: warning: its scope is only this definition or declaration, which is probably not what you want
arch/x86/kernel/sys_x86_64.c:28:22: error: parameter 3 ('flags') has incomplete type
arch/x86/kernel/sys_x86_64.c:27:15: warning: function declaration isn't a prototype
arch/x86/kernel/sys_x86_64.c: In function 'align_addr':
arch/x86/kernel/sys_x86_64.c:33:6: error: 'va_align' undeclared (first use in this function)
arch/x86/kernel/sys_x86_64.c:33:6: note: each undeclared identifier is reported only once for each function it appears in
arch/x86/kernel/sys_x86_64.c:33:2: error: implicit declaration of function 'mmap_is_ia32'
arch/x86/kernel/sys_x86_64.c:39:17: error: 'ALIGN_VDSO' undeclared (first use in this function)
arch/x86/kernel/sys_x86_64.c:48:16: error: 'ALIGN_TOPDOWN' undeclared (first use in this function)
arch/x86/kernel/sys_x86_64.c: In function 'control_va_addr_alignment':
arch/x86/kernel/sys_x86_64.c:59:6: error: 'va_align' undeclared (first use in this function)
arch/x86/kernel/sys_x86_64.c:69:20: error: 'ALIGN_VA_32' undeclared (first use in this function)
arch/x86/kernel/sys_x86_64.c:71:20: error: 'ALIGN_VA_64' undeclared (first use in this function)
arch/x86/kernel/sys_x86_64.c: In function 'arch_get_unmapped_area_topdown':
arch/x86/kernel/sys_x86_64.c:231:11: error: 'ALIGN_TOPDOWN' undeclared (first use in this function)
Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
---
arch/x86/kernel/sys_x86_64.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/arch/x86/kernel/sys_x86_64.c b/arch/x86/kernel/sys_x86_64.c
index fe7d2da..0514890 100644
--- a/arch/x86/kernel/sys_x86_64.c
+++ b/arch/x86/kernel/sys_x86_64.c
@@ -14,6 +14,7 @@
#include <linux/personality.h>
#include <linux/random.h>
#include <linux/uaccess.h>
+#include <linux/elf.h>
#include <asm/ia32.h>
#include <asm/syscalls.h>
--
1.7.6.3
--
Cheers,
Stephen Rothwell sfr@...b.auug.org.au
http://www.canb.auug.org.au/~sfr/
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