[PATCH v3 04/14] ARM: KVM: __kvm_vcpu_run function return result fix in BE case

Marc Zyngier marc.zyngier at arm.com
Tue May 27 08:02:48 PDT 2014


On 13/05/14 17:13, Victor Kamensky wrote:
> The __kvm_vcpu_run function returns a 64-bit result in two registers,
> which has to be adjusted for BE case.
> 
> Signed-off-by: Victor Kamensky <victor.kamensky at linaro.org>
> Acked-by: Christoffer Dall <christoffer.dall at linaro.org>
> ---
>  arch/arm/kvm/interrupts.S | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/arch/arm/kvm/interrupts.S b/arch/arm/kvm/interrupts.S
> index 24d4e65..7dfe9e4 100644
> --- a/arch/arm/kvm/interrupts.S
> +++ b/arch/arm/kvm/interrupts.S
> @@ -199,8 +199,13 @@ after_vfp_restore:
>  
>  	restore_host_regs
>  	clrex				@ Clear exclusive monitor
> +#ifndef __ARMEB__
>  	mov	r0, r1			@ Return the return code
>  	mov	r1, #0			@ Clear upper bits in return value
> +#else
> +	@ r1 already has return code
> +	mov	r0, #0			@ Clear upper bits in return value
> +#endif /* __ARMEB__ */

Why using __ARMEB__ while the rest of the series is using
CONFIG_CPU_ENDIAN_BE8?

>  	bx	lr			@ return to IOCTL
>  
>  /********************************************************************
> 

Aside from the above nit:

Acked-by: Marc Zyngier <marc.zyngier at arm.com>

	M.
-- 
Jazz is not dead. It just smells funny...



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