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softirq: Move __ARCH_HAS_DO_SOFTIRQ to Kconfig

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To prepare for inlining do_softirq_own_stack() replace
__ARCH_HAS_DO_SOFTIRQ with a Kconfig switch and select it in the affected
architectures.

This allows in the next step to move the function prototype and the inline
stub into a seperate asm-generic header file which is required to avoid
include recursion.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20210210002513.181713427@linutronix.de
This commit is contained in:
Thomas Gleixner
2021-02-10 00:40:52 +01:00
parent 624db9eabc
commit cd1a41ceba
14 changed files with 13 additions and 12 deletions
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1
arch/sparc/Kconfig
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@@ -97,6 +97,7 @@ config SPARC64
select ARCH_HAS_PTE_SPECIAL
select PCI_DOMAINS if PCI
select ARCH_HAS_GIGANTIC_PAGE
select HAVE_SOFTIRQ_ON_OWN_STACK
config ARCH_PROC_KCORE_TEXT
def_bool y

1
arch/sparc/include/asm/irq_64.h
View File

@@ -93,7 +93,6 @@ void arch_trigger_cpumask_backtrace(const struct cpumask *mask,
extern void *hardirq_stack[NR_CPUS];
extern void *softirq_stack[NR_CPUS];
#define __ARCH_HAS_DO_SOFTIRQ
#define NO_IRQ 0xffffffff