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

Andrew Jones drjones at redhat.com
Tue Aug 16 09:09:24 PDT 2016


On Tue, Aug 16, 2016 at 05:10:34PM +0200, Christoffer Dall wrote:
> Just a rename so we can implement a v3-specific function later.  No
> functional change.
> 
> Signed-off-by: Christoffer Dall <christoffer.dall at linaro.org>
> ---
>  virt/kvm/arm/vgic/vgic-kvm-device.c | 27 ++++++++++++++-------------
>  1 file changed, 14 insertions(+), 13 deletions(-)
> 
> diff --git a/virt/kvm/arm/vgic/vgic-kvm-device.c b/virt/kvm/arm/vgic/vgic-kvm-device.c
> index 22d7ab3..2e18f03 100644
> --- a/virt/kvm/arm/vgic/vgic-kvm-device.c
> +++ b/virt/kvm/arm/vgic/vgic-kvm-device.c
> @@ -296,17 +296,20 @@ 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
> +/* V2 ops */
> +
> +

Do we want 2 blank lines here? Do we need the 'V2 ops' comment at all?

> +/**
> + * 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;
> @@ -349,8 +352,6 @@ out:
>  	return ret;
>  }
>  
> -/* V2 ops */
> -
>  static int vgic_v2_set_attr(struct kvm_device *dev,
>  			    struct kvm_device_attr *attr)
>  {
> @@ -369,7 +370,7 @@ 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);
>  	}
>  	}
>  
> @@ -391,7 +392,7 @@ 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);
> -- 
> 2.9.0
>

No better way to attract reviewers than to advertise no functional
change :-)

Looks good to me.

drew



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