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Commit 031d0112 authored by Max Filippov's avatar Max Filippov Committed by Chris Zankel
Browse files

xtensa: fix arch_irqs_disabled_flags implementation 



IRQs are disabled when PS.EXCM is set or PS.INTLEVEL is equal to or
higher than LOCKLEVEL.

Signed-off-by: default avatarMax Filippov <jcmvbkbc@gmail.com>
Signed-off-by: default avatarChris Zankel <chris@zankel.net>
parent c92931b2

arch/xtensa/include/asm/irqflags.h

+4 −1
Original line number Diff line number Diff line
@@ -47,7 +47,10 @@ static inline void arch_local_irq_restore(unsigned long flags) 


static inline bool arch_irqs_disabled_flags(unsigned long flags)

{

	return (flags & 0xf) != 0;

#if XCHAL_EXCM_LEVEL < LOCKLEVEL || (1 << PS_EXCM_BIT) < LOCKLEVEL

#error "XCHAL_EXCM_LEVEL and 1<<PS_EXCM_BIT must be no less than LOCKLEVEL"

#endif

	return (flags & (PS_INTLEVEL_MASK | (1 << PS_EXCM_BIT))) >= LOCKLEVEL;

}



static inline bool arch_irqs_disabled(void)