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authorMax Filippov <jcmvbkbc@gmail.com>2013-03-31 06:34:10 +0400
committerChris Zankel <chris@zankel.net>2013-05-09 01:07:11 -0700
commit031d0112d780d4a8fe8b0bfba4ae446e4ddc5c66 (patch)
treec4a9827bf68746982e8c9824ca73122f4caf0959 /arch/xtensa
parentc92931b200156e304350e3e9f138e6abfb1f2913 (diff)
downloadvexpress-lsk-031d0112d780d4a8fe8b0bfba4ae446e4ddc5c66.tar.gz
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.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/xtensa/include/asm/irqflags.h b/arch/xtensa/include/asm/irqflags.h
index f865b1c1eae..ea36674c6ec 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)