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

2014-12-02 Thread Prabhakar Lad
Hi Michael,

Thanks for the patch.

On Mon, Dec 1, 2014 at 4:03 PM, Michael S. Tsirkin  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 

Thanks,
--Prabhakar Lad
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Re: [PATCH v7 44/46] virtio_scsi: export to userspace

2014-12-01 Thread Prabhakar Lad
Hi Michael,

Thanks for the patch.

On Sun, Nov 30, 2014 at 3:12 PM, Michael S. Tsirkin  wrote:
> Replace uXX by __uXX and _packed by __attribute((packed))
> as seems to be the norm for userspace headers.
>
> Signed-off-by: Michael S. Tsirkin 
> Acked-by: Paolo Bonzini 

> ---
>  include/uapi/linux/virtio_scsi.h | 74 
> 
>  include/uapi/linux/Kbuild|  1 +

Probably worth making a separate patch for this ? as it doesnt
match with patch description aswel.

Apart from that patch looks good.

Acked-by: Lad, Prabhakar 

Regards,
--Prabhakar Lad
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