[PATCH v4 3/8] arm64: irqflags: Add condition flags to inline asm clobber list

From: Julien Thierry
Date: Tue Jun 11 2019 - 05:43:04 EST


Some of the inline assembly instruction use the condition flags and need
to include "cc" in the clobber list.

Fixes: commit 4a503217ce37 ("arm64: irqflags: Use ICC_PMR_EL1 for interrupt masking")
Suggested-by: Marc Zyngier <marc.zyngier@xxxxxxx>
Signed-off-by: Julien Thierry <julien.thierry@xxxxxxx>
Cc: Catalin Marinas <catalin.marinas@xxxxxxx>
Cc: Will Deacon <will.deacon@xxxxxxx>
---
arch/arm64/include/asm/irqflags.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/include/asm/irqflags.h b/arch/arm64/include/asm/irqflags.h
index 9c93152..fbe1aba 100644
--- a/arch/arm64/include/asm/irqflags.h
+++ b/arch/arm64/include/asm/irqflags.h
@@ -92,7 +92,7 @@ static inline unsigned long arch_local_save_flags(void)
ARM64_HAS_IRQ_PRIO_MASKING)
: "=&r" (flags), "+r" (daif_bits)
: "r" ((unsigned long) GIC_PRIO_IRQOFF)
- : "memory");
+ : "cc", "memory");

return flags;
}
@@ -136,7 +136,7 @@ static inline int arch_irqs_disabled_flags(unsigned long flags)
ARM64_HAS_IRQ_PRIO_MASKING)
: "=&r" (res)
: "r" ((int) flags)
- : "memory");
+ : "cc", "memory");

return res;
}
--
1.9.1