Messages in this thread Patch in this message | | | From | Julien Thierry <> | Subject | [PATCH v3 2/8] arm64: irqflags: Pass flags as readonly operand to restore instruction | Date | Thu, 6 Jun 2019 10:31:51 +0100 |
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Flags are only read by the instructions doing the irqflags restore operation. Pass the operand as read only to the asm inline instead of read-write.
Signed-off-by: Julien Thierry <julien.thierry@arm.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will.deacon@arm.com> --- arch/arm64/include/asm/irqflags.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm64/include/asm/irqflags.h b/arch/arm64/include/asm/irqflags.h index 62996318..9c93152 100644 --- a/arch/arm64/include/asm/irqflags.h +++ b/arch/arm64/include/asm/irqflags.h @@ -119,8 +119,8 @@ static inline void arch_local_irq_restore(unsigned long flags) __msr_s(SYS_ICC_PMR_EL1, "%0") "dsb sy", ARM64_HAS_IRQ_PRIO_MASKING) - : "+r" (flags) : + : "r" (flags) : "memory"); }
-- 1.9.1
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