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arm64: smp: Add missing prototype for some smp.c functions

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In commit eb631bb5bf
("arm64: Support arch_irq_work_raise() via self IPIs") a new
function "arch_irq_work_raise" was added without a prototype.

In commit d914d4d497
("arm64: Implement panic_smp_self_stop()") a new
function "panic_smp_self_stop" was added without a prototype.

We get the following warnings on W=1:
arch/arm64/kernel/smp.c:842:6: warning: no previous prototype
for ‘arch_irq_work_raise’ [-Wmissing-prototypes]
arch/arm64/kernel/smp.c:862:6: warning: no previous prototype
for ‘panic_smp_self_stop’ [-Wmissing-prototypes]

Fix the warnings by:
1. Adding the prototype for 'arch_irq_work_raise' in irq_work.h
2. Adding the prototype for 'panic_smp_self_stop' in smp.h

Signed-off-by: Chen Lifu <chenlifu@huawei.com>
Link: https://lore.kernel.org/r/20210329034343.183974-1-chenlifu@huawei.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Chen Lifu 2021-03-29 11:43:43 +08:00 committed by Catalin Marinas
parent 5cd6fa6de5
commit a52ef778ff
2 changed files with 3 additions and 0 deletions
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2
arch/arm64/include/asm/irq_work.h
View file

@ -2,6 +2,8 @@
#ifndef __ASM_IRQ_WORK_H
#define __ASM_IRQ_WORK_H
extern void arch_irq_work_raise(void);
static inline bool arch_irq_work_has_interrupt(void)
{
return true;

1
arch/arm64/include/asm/smp.h
View file

@ -145,6 +145,7 @@ bool cpus_are_stuck_in_kernel(void);
extern void crash_smp_send_stop(void);
extern bool smp_crash_stop_failed(void);
extern void panic_smp_self_stop(void);
#endif /* ifndef __ASSEMBLY__ */