Re: [PATCH vhost v9 04/12] virtio_ring: virtqueue_add() support premapped

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On Mon, May 22, 2023 at 11:03:26PM -0700, Christoph Hellwig wrote:
> On Wed, May 17, 2023 at 10:22:41AM +0800, Xuan Zhuo wrote:
> > virtuque_add() adds parameter premapped.
> 
> Well, I can see that.  But why?

Assuming it's intentional, it should say something along the lines of
"The parameter is unused for now, and all callers just pass false.
 It will be used by a follow-up patch".

It's not a bad way to split patches, this way actual logic in
the next patch stands out as opposed to being masked by
the code reshuffling following the extra parameter.

-- 
MST

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