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Use macros for .data.page_aligned section.

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This patch changes the remaining direct references to
.data.page_aligned in C and assembly code to use the macros in
include/linux/linkage.h.

Signed-off-by: Tim Abbott <tabbott@ksplice.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Haavard Skinnemoen <hskinnemoen@atmel.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
This commit is contained in:
Tim Abbott 2009-09-20 18:14:15 -04:00 committed by Sam Ravnborg
parent 02b7da37f7
commit abe1ee3a22
9 changed files with 16 additions and 11 deletions
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4
arch/avr32/mm/init.c
View File

@ -24,11 +24,9 @@
#include <asm/setup.h>
#include <asm/sections.h>
#define __page_aligned __attribute__((section(".data.page_aligned")))
DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
pgd_t swapper_pg_dir[PTRS_PER_PGD] __page_aligned;
pgd_t swapper_pg_dir[PTRS_PER_PGD] __page_aligned_data;
struct page *empty_zero_page;
EXPORT_SYMBOL(empty_zero_page);

3
arch/powerpc/kernel/vdso.c
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@ -1,3 +1,4 @@
/*
* Copyright (C) 2004 Benjamin Herrenschmidt, IBM Corp.
* <benh@kernel.crashing.org>
@ -74,7 +75,7 @@ static int vdso_ready;
static union {
struct vdso_data data;
u8 page[PAGE_SIZE];
} vdso_data_store __attribute__((__section__(".data.page_aligned")));
} vdso_data_store __page_aligned_data;
struct vdso_data *vdso_data = &vdso_data_store.data;
/* Format of the patch table */

3
arch/powerpc/kernel/vdso32/vdso32_wrapper.S
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@ -1,7 +1,8 @@
#include <linux/init.h>
#include <linux/linkage.h>
#include <asm/page.h>
.section ".data.page_aligned"
__PAGE_ALIGNED_DATA
.globl vdso32_start, vdso32_end
.balign PAGE_SIZE

3
arch/powerpc/kernel/vdso64/vdso64_wrapper.S
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@ -1,7 +1,8 @@
#include <linux/init.h>
#include <linux/linkage.h>
#include <asm/page.h>
.section ".data.page_aligned"
__PAGE_ALIGNED_DATA
.globl vdso64_start, vdso64_end
.balign PAGE_SIZE

2
arch/s390/kernel/vdso.c
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@ -75,7 +75,7 @@ __setup("vdso=", vdso_setup);
static union {
struct vdso_data data;
u8 page[PAGE_SIZE];
} vdso_data_store __attribute__((__section__(".data.page_aligned")));
} vdso_data_store __page_aligned_data;
struct vdso_data *vdso_data = &vdso_data_store.data;
/*

3
arch/s390/kernel/vdso32/vdso32_wrapper.S
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@ -1,7 +1,8 @@
#include <linux/init.h>
#include <linux/linkage.h>
#include <asm/page.h>
.section ".data.page_aligned"
__PAGE_ALIGNED_DATA
.globl vdso32_start, vdso32_end
.balign PAGE_SIZE

3
arch/s390/kernel/vdso64/vdso64_wrapper.S
View File

@ -1,7 +1,8 @@
#include <linux/init.h>
#include <linux/linkage.h>
#include <asm/page.h>
.section ".data.page_aligned"
__PAGE_ALIGNED_DATA
.globl vdso64_start, vdso64_end
.balign PAGE_SIZE

4
arch/x86/include/asm/cache.h
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@ -1,6 +1,8 @@
#ifndef _ASM_X86_CACHE_H
#define _ASM_X86_CACHE_H
#include <linux/linkage.h>
/* L1 cache line size */
#define L1_CACHE_SHIFT (CONFIG_X86_L1_CACHE_SHIFT)
#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
@ -13,7 +15,7 @@
#ifdef CONFIG_SMP
#define __cacheline_aligned_in_smp \
__attribute__((__aligned__(1 << (INTERNODE_CACHE_SHIFT)))) \
__attribute__((__section__(".data.page_aligned")))
__page_aligned_data
#endif
#endif

2
arch/x86/kernel/head_32.S
View File

@ -626,7 +626,7 @@ ENTRY(empty_zero_page)
* This starts the data section.
*/
#ifdef CONFIG_X86_PAE
.section ".data.page_aligned","wa"
__PAGE_ALIGNED_DATA
/* Page-aligned for the benefit of paravirt? */
.align PAGE_SIZE_asm
ENTRY(swapper_pg_dir)