diff options
author | Thomas Gleixner <tglx@linutronix.de> | 2021-02-10 02:40:53 +0300 |
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committer | Thomas Gleixner <tglx@linutronix.de> | 2021-02-11 01:34:16 +0300 |
commit | db1cc7aede37eb9235759131ddfefd9c0ea5136f (patch) | |
tree | 1d110d199d4f21c7ac3a0beba952bf8beaa74639 /include/asm-generic | |
parent | cd1a41ceba8a4caef4d18a3a14d6d0f8c656efe4 (diff) | |
download | linux-db1cc7aede37eb9235759131ddfefd9c0ea5136f.tar.xz |
softirq: Move do_softirq_own_stack() to generic asm header
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
Diffstat (limited to 'include/asm-generic')
-rw-r--r-- | include/asm-generic/Kbuild | 1 | ||||
-rw-r--r-- | include/asm-generic/softirq_stack.h | 14 |
2 files changed, 15 insertions, 0 deletions
diff --git a/include/asm-generic/Kbuild b/include/asm-generic/Kbuild index 267f6dfb8960..bd684188e2dc 100644 --- a/include/asm-generic/Kbuild +++ b/include/asm-generic/Kbuild @@ -51,6 +51,7 @@ mandatory-y += sections.h mandatory-y += serial.h mandatory-y += shmparam.h mandatory-y += simd.h +mandatory-y += softirq_stack.h mandatory-y += switch_to.h mandatory-y += timex.h mandatory-y += tlbflush.h diff --git a/include/asm-generic/softirq_stack.h b/include/asm-generic/softirq_stack.h new file mode 100644 index 000000000000..eceeecf6a5bd --- /dev/null +++ b/include/asm-generic/softirq_stack.h @@ -0,0 +1,14 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +#ifndef __ASM_GENERIC_SOFTIRQ_STACK_H +#define __ASM_GENERIC_SOFTIRQ_STACK_H + +#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 + +#endif |