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

[Mark Rutland]

On Tue, Jun 11, 2019 at 10:38:08AM +0100, Julien Thierry wrote:
> 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>

Acked-by: Mark Rutland <mark.rutland@xxxxxxx>

Mark.

> ---
>  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