Re: [PATCH hyperv-next 5/6] arch, drivers: Add device struct bitfield to not bounce-buffer

[Roman Kisel]

On 4/9/2025 3:52 AM, Christoph Hellwig wrote:
> On Tue, Apr 08, 2025 at 05:08:34PM -0700, Roman Kisel wrote:
> > Bounce-buffering makes the system spend more time copying
> > I/O data. When the I/O transaction take place between
> > a confidential and a non-confidential endpoints, there is
> > no other way around.
> >
> > Introduce a device bitfield to indicate that the device
> > doesn't need to perform bounce buffering. The capable
> > device may employ it to save on copying data around.
>
> I have no idea what this is supposed to mean, you need to explain it
> much better.

Thanks for reviewing! I'll fix the description.

>

--
Thank you,
Roman