From: Paolo Bonzini <pbonzini@redhat.com>
To: Stefan Hajnoczi <stefanha@gmail.com>
Cc: Dave Airlie <airlied@gmail.com>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] dataplane, thread and gpu stuff
Date: Mon, 18 Nov 2013 17:37:20 +0100 [thread overview]
Message-ID: <528A4240.7040409@redhat.com> (raw)
In-Reply-To: <20131118150340.GA4083@stefanha-thinkpad.redhat.com>
Il 18/11/2013 16:03, Stefan Hajnoczi ha scritto:
> As of today, there are still two vring implementations in
> hw/virtio/virtio.c and hw/virtio/dataplane/vring.c. This means it isn't
> clean and easy to integrate into a new device yet. Existing dataplane
> devices basically take advantage of the fact that the non-dataplane
> version sets up the device before I/O.
>
> Paolo can give you details on the latest thread-safe memory API stuff
> and whether it's already usable for virtio.
vring and virtio are still separate even in my latest patches. I have
patches to convert vring to use memory_region_find instead of hostmem.
> Regarding irqfd, we could emulate it in TCG using an EventNotifier
> (eventfd). At that point I think it's no longer kvm-specific.
I think he's talking about ioeventfd though.
Paolo
next prev parent reply other threads:[~2013-11-18 16:37 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-18 4:52 [Qemu-devel] dataplane, thread and gpu stuff Dave Airlie
2013-11-18 15:03 ` Stefan Hajnoczi
2013-11-18 16:18 ` Anthony Liguori
2013-11-19 14:20 ` Stefan Hajnoczi
2013-11-18 16:37 ` Paolo Bonzini [this message]
2013-11-19 14:20 ` Stefan Hajnoczi
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