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| author | Max Filippov <jcmvbkbc@gmail.com> | 2013-03-31 04:34:10 +0200 |
|---|---|---|
| committer | Chris Zankel <chris@zankel.net> | 2013-05-09 10:07:11 +0200 |
| commit | 031d0112d780d4a8fe8b0bfba4ae446e4ddc5c66 (patch) | |
| tree | c4a9827bf68746982e8c9824ca73122f4caf0959 /arch/xtensa | |
| parent | xtensa: add irq flags trace support (diff) | |
| download | linux-031d0112d780d4a8fe8b0bfba4ae446e4ddc5c66.tar.xz linux-031d0112d780d4a8fe8b0bfba4ae446e4ddc5c66.zip | |
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: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
Diffstat (limited to 'arch/xtensa')
| -rw-r--r-- | arch/xtensa/include/asm/irqflags.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/xtensa/include/asm/irqflags.h b/arch/xtensa/include/asm/irqflags.h index f865b1c1eae4..ea36674c6ec5 100644 --- a/arch/xtensa/include/asm/irqflags.h +++ b/arch/xtensa/include/asm/irqflags.h @@ -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) |