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Re: [PATCH v4 1/3] QIOChannel: Add io_writev_zerocopy & io_flush_zerocop
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From: |
Leonardo Bras Soares Passos |
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Subject: |
Re: [PATCH v4 1/3] QIOChannel: Add io_writev_zerocopy & io_flush_zerocopy callbacks |
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Date: |
Wed, 27 Oct 2021 03:31:14 -0300 |
On Wed, Oct 27, 2021 at 3:15 AM Peter Xu <peterx@redhat.com> wrote:
>
> On Wed, Oct 27, 2021 at 03:07:13AM -0300, Leonardo Bras Soares Passos wrote:
> > > >
> > > > if (flags & ZEROCOPY) {
> > > > assert(fds == NULL && nfds == 0);
> >
> > Quick question: Why is this assert needed?
>
> Not required I think; just want to make sure no one passes in the fds when
> using zero copy mode.
Ok, that makes sense.
I will add it then, thanks!
>
> Thanks,
>
> --
> Peter Xu
>
Best regards,
Leo
[PATCH v4 2/3] QIOChannelSocket: Implement io_writev_zerocopy & io_flush_zerocopy for CONFIG_LINUX, Leonardo Bras, 2021/10/09
[PATCH v4 3/3] multifd: Implement zerocopy write in multifd migration (multifd-zerocopy), Leonardo Bras, 2021/10/09