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[PATCH] x86/powerpc make hardirq_ctx and softirq_ctx __read_mostly 

The hardirq_ctx and softirq_ctx variables are written to on init only,

Signed-off-by: Andreas Mohr <andi@lisas.de>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Andreas Mohr 2006-06-23 02:05:30 -07:00 committed by Linus Torvalds
parent 89d0cf01c0
commit 22722051fb
2 changed files with 4 additions and 4 deletions
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4
arch/i386/kernel/irq.c
View File

@ -42,8 +42,8 @@ union irq_ctx {
u32 stack[THREAD_SIZE/sizeof(u32)];
};
static union irq_ctx *hardirq_ctx[NR_CPUS];
static union irq_ctx *softirq_ctx[NR_CPUS];
static union irq_ctx *hardirq_ctx[NR_CPUS] __read_mostly;
static union irq_ctx *softirq_ctx[NR_CPUS] __read_mostly;
#endif
/*

4
arch/powerpc/kernel/irq.c
View File

@ -380,8 +380,8 @@ unsigned int real_irq_to_virt_slowpath(unsigned int real_irq)
#endif /* CONFIG_PPC64 */
#ifdef CONFIG_IRQSTACKS
struct thread_info *softirq_ctx[NR_CPUS];
struct thread_info *hardirq_ctx[NR_CPUS];
struct thread_info *softirq_ctx[NR_CPUS] __read_mostly;
struct thread_info *hardirq_ctx[NR_CPUS] __read_mostly;
void irq_ctx_init(void)
{