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softirq: Move do_softirq_own_stack() to generic asm header

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To avoid include recursion hell move the do_softirq_own_stack() related
content into a generic asm header and include it from all places in arch/
which need the prototype.

This allows architectures to provide an inline implementation of
do_softirq_own_stack() without introducing a lot of #ifdeffery all over the
place.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20210210002513.289960691@linutronix.de
This commit is contained in:
Thomas Gleixner
2021-02-10 00:40:53 +01:00
parent cd1a41ceba
commit db1cc7aede
11 changed files with 24 additions and 9 deletions
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9
include/linux/interrupt.h
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@@ -569,15 +569,6 @@ struct softirq_action
asmlinkage void do_softirq(void);
asmlinkage void __do_softirq(void);
#ifdef CONFIG_HAVE_SOFTIRQ_ON_OWN_STACK
void do_softirq_own_stack(void);
#else
static inline void do_softirq_own_stack(void)
{
__do_softirq();
}
#endif
extern void open_softirq(int nr, void (*action)(struct softirq_action *));
extern void softirq_init(void);
extern void __raise_softirq_irqoff(unsigned int nr);