From: Heiko Carstens Date: Sun, 11 Mar 2012 15:59:30 +0000 (-0400) Subject: [S390] irq: set __ARCH_IRQ_EXIT_IRQS_DISABLED X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=2215011dd9c1b01f1fc430620ed31f2baad267c3;p=linux-beck.git [S390] irq: set __ARCH_IRQ_EXIT_IRQS_DISABLED Set __ARCH_IRQ_EXIT_IRQS_DISABLED in order to optimize irq_exit() a bit, since we call __do_softirq() instead of do_softirq(). This saves several needless checks, pointless interrupt disabling and an extra branch. If do_softirq() gets called from process context we still switch to the async stack. Signed-off-by: Heiko Carstens Signed-off-by: Martin Schwidefsky --- diff --git a/arch/s390/include/asm/hardirq.h b/arch/s390/include/asm/hardirq.h index e4155d3eb2cb..510ba9ef4248 100644 --- a/arch/s390/include/asm/hardirq.h +++ b/arch/s390/include/asm/hardirq.h @@ -18,6 +18,7 @@ #define __ARCH_IRQ_STAT #define __ARCH_HAS_DO_SOFTIRQ +#define __ARCH_IRQ_EXIT_IRQS_DISABLED #define HARDIRQ_BITS 8