2215011dd9
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 <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
26 lines
614 B
C
26 lines
614 B
C
/*
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* include/asm-s390/hardirq.h
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*
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* S390 version
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* Copyright (C) 1999,2000 IBM Deutschland Entwicklung GmbH, IBM Corporation
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* Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com),
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* Denis Joseph Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com)
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*
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* Derived from "include/asm-i386/hardirq.h"
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*/
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#ifndef __ASM_HARDIRQ_H
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#define __ASM_HARDIRQ_H
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#include <asm/lowcore.h>
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#define local_softirq_pending() (S390_lowcore.softirq_pending)
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#define __ARCH_IRQ_STAT
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#define __ARCH_HAS_DO_SOFTIRQ
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#define __ARCH_IRQ_EXIT_IRQS_DISABLED
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#define HARDIRQ_BITS 8
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#endif /* __ASM_HARDIRQ_H */
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