Re: [Qemu-devel] [PATCH v7 05/42] Add qemu_get_buffer_less_copy to avoid copies some of the time

[Amit Shah]

On (Tue) 16 Jun 2015 [11:26:18], Dr. David Alan Gilbert (git) wrote:
> From: "Dr. David Alan Gilbert" <address@hidden>
> 
> qemu_get_buffer always copies the data it reads to a users buffer,
> however in many cases the file buffer inside qemu_file could be given
> back to the caller, avoiding the copy.  This isn't always possible
> depending on the size and alignment of the data.
> 
> Thus 'qemu_get_buffer_less_copy' either copies the data to a supplied
> buffer or updates a pointer to the internal buffer if convenient.
> 
> Signed-off-by: Dr. David Alan Gilbert <address@hidden>

Reviewed-by: Amit Shah <address@hidden>

                Amit