Re: [PATCH v8 08/50] virtio: memory access APIs

[Prabhakar Lad]

Hi Michael,

Thanks for the patch.

On Mon, Dec 1, 2014 at 4:03 PM, Michael S. Tsirkin <mst@xxxxxxxxxx> wrote:
> virtio 1.0 makes all memory structures LE, so
[Snip]
> +/*
> + * Low-level memory accessors for handling virtio in modern little endian and in
> + * compatibility native endian format.
> + */
> +
> +static inline u16 __virtio16_to_cpu(bool little_endian, __virtio16 val)
> +{
> +       if (little_endian)
> +               return le16_to_cpu((__force __le16)val);
> +       else
> +               return (__force u16)val;
> +}
> +
> +static inline __virtio16 __cpu_to_virtio16(bool little_endian, u16 val)
> +{
> +       if (little_endian)
> +               return (__force __virtio16)cpu_to_le16(val);
> +       else
> +               return (__force __virtio16)val;
> +}
> +
> +static inline u32 __virtio32_to_cpu(bool little_endian, __virtio32 val)
> +{
> +       if (little_endian)
> +               return le32_to_cpu((__force __le32)val);
> +       else
> +               return (__force u32)val;
> +}
> +
> +static inline __virtio32 __cpu_to_virtio32(bool little_endian, u32 val)
> +{
> +       if (little_endian)
> +               return (__force __virtio32)cpu_to_le32(val);
> +       else
> +               return (__force __virtio32)val;
> +}
> +
> +static inline u64 __virtio64_to_cpu(bool little_endian, __virtio64 val)
> +{
> +       if (little_endian)
> +               return le64_to_cpu((__force __le64)val);
> +       else
> +               return (__force u64)val;
> +}
> +
> +static inline __virtio64 __cpu_to_virtio64(bool little_endian, u64 val)
> +{
> +       if (little_endian)
> +               return (__force __virtio64)cpu_to_le64(val);
> +       else
> +               return (__force __virtio64)val;
> +}
> +

Nitpicking, could remove the else for the all above functions and
align the return appropriately ?

Apart from that patch looks good.

Acked-by: Lad, Prabhakar <prabhakar.csengg@xxxxxxxxx>

Thanks,
--Prabhakar Lad
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/