From 22722051fb6bcbb95c895e68dad10d34a9db7e4d Mon Sep 17 00:00:00 2001 From: Andreas Mohr Date: Fri, 23 Jun 2006 02:05:30 -0700 Subject: [PATCH] [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 Cc: Benjamin Herrenschmidt Cc: Paul Mackerras Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/i386/kernel/irq.c | 4 ++-- arch/powerpc/kernel/irq.c | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/i386/kernel/irq.c b/arch/i386/kernel/irq.c index f3a9c78c4a2..248e922ee13 100644 --- a/arch/i386/kernel/irq.c +++ b/arch/i386/kernel/irq.c @@ -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 /* diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c index bfcec4cc70a..40d4c14fde8 100644 --- a/arch/powerpc/kernel/irq.c +++ b/arch/powerpc/kernel/irq.c @@ -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) { -- 2.20.1