Re: [PATCH v2 2/2] KVM: arm/arm64: Rename vgic_attr_regs_access to vgic_attr_regs_access_v2

[Auger Eric <eric.auger@xxxxxxxxxx>]

Hi,

On 16/08/2016 19:35, Christoffer Dall wrote:
> Just a rename so we can implement a v3-specific function later.
> 
> We take the chance to get rid of the V2/V3 ops comments as well.
> 
> No functional change.
> 
> Signed-off-by: Christoffer Dall <christoffer.dall@xxxxxxxxxx>
> ---
>  virt/kvm/arm/vgic/vgic-kvm-device.c | 26 +++++++++++---------------
>  1 file changed, 11 insertions(+), 15 deletions(-)
> 
> diff --git a/virt/kvm/arm/vgic/vgic-kvm-device.c b/virt/kvm/arm/vgic/vgic-kvm-device.c
> index 19fa331..163b057 100644
> --- a/virt/kvm/arm/vgic/vgic-kvm-device.c
> +++ b/virt/kvm/arm/vgic/vgic-kvm-device.c
> @@ -294,17 +294,17 @@ static bool lock_all_vcpus(struct kvm *kvm)
>  	return true;
>  }
>  
> -/** vgic_attr_regs_access: allows user space to read/write VGIC registers
> - *
> - * @dev: kvm device handle
> - * @attr: kvm device attribute
> - * @reg: address the value is read or written
> - * @is_write: write flag
> +/**
> + * vgic_attr_regs_access_v2 - allows user space to access VGIC v2 state
>   *
> + * @dev:      kvm device handle
> + * @attr:     kvm device attribute
> + * @reg:      address the value is read or written
> + * @is_write: true if userspace is writing a register
>   */
> -static int vgic_attr_regs_access(struct kvm_device *dev,
> -				 struct kvm_device_attr *attr,
> -				 u32 *reg, bool is_write)
> +static int vgic_attr_regs_access_v2(struct kvm_device *dev,
> +				    struct kvm_device_attr *attr,
> +				    u32 *reg, bool is_write)
>  {
>  	struct vgic_reg_attr reg_attr;
>  	gpa_t addr;
> @@ -347,8 +347,6 @@ out:
>  	return ret;
>  }
>  
> -/* V2 ops */
> -
>  static int vgic_v2_set_attr(struct kvm_device *dev,
>  			    struct kvm_device_attr *attr)
>  {
> @@ -367,7 +365,7 @@ static int vgic_v2_set_attr(struct kvm_device *dev,
>  		if (get_user(reg, uaddr))
>  			return -EFAULT;
>  
> -		return vgic_attr_regs_access(dev, attr, &reg, true);
> +		return vgic_attr_regs_access_v2(dev, attr, &reg, true);
>  	}
>  	}
>  
> @@ -389,7 +387,7 @@ static int vgic_v2_get_attr(struct kvm_device *dev,
>  		u32 __user *uaddr = (u32 __user *)(long)attr->addr;
>  		u32 reg = 0;
>  
> -		ret = vgic_attr_regs_access(dev, attr, &reg, false);
> +		ret = vgic_attr_regs_access_v2(dev, attr, &reg, false);
>  		if (ret)
>  			return ret;
>  		return put_user(reg, uaddr);
> @@ -433,8 +431,6 @@ struct kvm_device_ops kvm_arm_vgic_v2_ops = {
>  	.has_attr = vgic_v2_has_attr,
>  };
>  
> -/* V3 ops */
> -
>  #ifdef CONFIG_KVM_ARM_VGIC_V3
>  
>  static int vgic_v3_set_attr(struct kvm_device *dev,
> 
Reviewed-by: Eric Auger <eric.auger@xxxxxxxxxx>

Thanks

Eric
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