[PATCH for review] [34/48] i386: Update alignment when 4K stacks are used.

From: Andi Kleen
Date: Thu Jul 19 2007 - 10:05:56 EST



From: "Robert P. J. Day" <rpjday@xxxxxxxxxxxxxx>

Signed-off-by: Robert P. J. Day <rpjday@xxxxxxxxxxxxxx>
Signed-off-by: Andi Kleen <ak@xxxxxxx>

---

it's not clear from MAINTAINERS who's responsible for something this
generic.

---
arch/i386/kernel/irq.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)

Index: linux/arch/i386/kernel/irq.c
===================================================================
--- linux.orig/arch/i386/kernel/irq.c
+++ linux/arch/i386/kernel/irq.c
@@ -149,15 +149,11 @@ fastcall unsigned int do_IRQ(struct pt_r

#ifdef CONFIG_4KSTACKS

-/*
- * These should really be __section__(".bss.page_aligned") as well, but
- * gcc's 3.0 and earlier don't handle that correctly.
- */
static char softirq_stack[NR_CPUS * THREAD_SIZE]
- __attribute__((__aligned__(THREAD_SIZE)));
+ __attribute__((__section__(".bss.page_aligned")));

static char hardirq_stack[NR_CPUS * THREAD_SIZE]
- __attribute__((__aligned__(THREAD_SIZE)));
+ __attribute__((__section__(".bss.page_aligned")));

/*
* allocate per-cpu stacks for hardirq and for softirq processing
-
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