From: Tim Abbott <tabbott@ksplice.com>
To: Sam Ravnborg <sam@ravnborg.org>
Cc: linux-kernel@vger.kernel.org, Tim Abbott <tabbott@ksplice.com>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
Chris Zankel <chris@zankel.net>, Sam Ravnborg <sam@ravnborg.org>
Subject: [PATCH v4 3/4] Use macros for .bss.page_aligned section.
Date: Sun, 20 Sep 2009 18:14:14 -0400 [thread overview]
Message-ID: <1253484855-8067-4-git-send-email-tabbott@ksplice.com> (raw)
In-Reply-To: <1253484855-8067-1-git-send-email-tabbott@ksplice.com>
This patch changes the remaining direct references to
.bss.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>
Acked-by: Paul Mundt <lethal@linux-sh.org>
Cc: Chris Zankel <chris@zankel.net>
Cc: Sam Ravnborg <sam@ravnborg.org>
---
arch/sh/kernel/irq.c | 6 ++----
arch/x86/kernel/head_32.S | 2 +-
arch/x86/kernel/head_64.S | 2 +-
arch/xtensa/kernel/head.S | 2 +-
4 files changed, 5 insertions(+), 7 deletions(-)
diff --git a/arch/sh/kernel/irq.c b/arch/sh/kernel/irq.c
index 60f8af4..7cb933b 100644
--- a/arch/sh/kernel/irq.c
+++ b/arch/sh/kernel/irq.c
@@ -165,11 +165,9 @@ asmlinkage int do_IRQ(unsigned int irq, struct pt_regs *regs)
}
#ifdef CONFIG_IRQSTACKS
-static char softirq_stack[NR_CPUS * THREAD_SIZE]
- __attribute__((__section__(".bss.page_aligned")));
+static char softirq_stack[NR_CPUS * THREAD_SIZE] __page_aligned_bss;
-static char hardirq_stack[NR_CPUS * THREAD_SIZE]
- __attribute__((__section__(".bss.page_aligned")));
+static char hardirq_stack[NR_CPUS * THREAD_SIZE] __page_aligned_bss;
/*
* allocate per-cpu stacks for hardirq and for softirq processing
diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S
index b766e8c..1dac239 100644
--- a/arch/x86/kernel/head_32.S
+++ b/arch/x86/kernel/head_32.S
@@ -608,7 +608,7 @@ ENTRY(initial_code)
/*
* BSS section
*/
-.section ".bss.page_aligned","wa"
+__PAGE_ALIGNED_BSS
.align PAGE_SIZE_asm
#ifdef CONFIG_X86_PAE
swapper_pg_pmd:
diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S
index fa54f78..d0bc0a1 100644
--- a/arch/x86/kernel/head_64.S
+++ b/arch/x86/kernel/head_64.S
@@ -418,7 +418,7 @@ ENTRY(phys_base)
ENTRY(idt_table)
.skip IDT_ENTRIES * 16
- .section .bss.page_aligned, "aw", @nobits
+ __PAGE_ALIGNED_BSS
.align PAGE_SIZE
ENTRY(empty_zero_page)
.skip PAGE_SIZE
diff --git a/arch/xtensa/kernel/head.S b/arch/xtensa/kernel/head.S
index d9ddc1b..d215adc 100644
--- a/arch/xtensa/kernel/head.S
+++ b/arch/xtensa/kernel/head.S
@@ -235,7 +235,7 @@ should_never_return:
* BSS section
*/
-.section ".bss.page_aligned", "w"
+__PAGE_ALIGNED_BSS
#ifdef CONFIG_MMU
ENTRY(swapper_pg_dir)
.fill PAGE_SIZE, 1, 0
--
1.6.3.3
next prev parent reply other threads:[~2009-09-20 22:15 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-20 22:14 [PATCH v4 0/4] Use macros rather than hardcoding section names Tim Abbott
2009-09-20 22:14 ` [PATCH v4 1/4] kbuild: Don't define ALIGN and ENTRY when preprocessing linker scripts Tim Abbott
2009-09-20 22:14 ` [PATCH v4 2/4] Use new __init_task_data macro in arch init_task.c files Tim Abbott
2009-09-20 22:14 ` Tim Abbott [this message]
2009-09-20 22:14 ` [PATCH v4 4/4] Use macros for .data.page_aligned section Tim Abbott
2009-09-21 23:46 ` Benjamin Herrenschmidt
2009-09-22 4:45 ` Sam Ravnborg
2009-09-22 7:10 ` Benjamin Herrenschmidt
2009-09-22 17:34 ` H. Peter Anvin
2009-09-21 4:25 ` [PATCH v4 0/4] Use macros rather than hardcoding section names Sam Ravnborg
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