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Re: [Qemu-devel] Re: virtio-serial: An interface for host-guest communi
From: |
Rusty Russell |
Subject: |
Re: [Qemu-devel] Re: virtio-serial: An interface for host-guest communication |
Date: |
Tue, 11 Aug 2009 08:39:28 +0930 |
User-agent: |
KMail/1.11.2 (Linux/2.6.28-14-generic; KDE/4.2.2; i686; ; ) |
On Mon, 10 Aug 2009 07:17:54 pm Gerd Hoffmann wrote:
> On 08/10/09 08:55, Amit Shah wrote:
> >> Bad example. Quite a lot of modern devices drivers are using dynamic
> >> major/minor numbers because they have proven to be such a pain in the
> >> butt. That's why we have more sophisticated mechanisms like udev for
> >> userspace to make use of.
> >
> > Let me explain how we came to this numbering: we first had support for
> > 'naming' ports and the names were obtained by userspace programs by an
> > ioctl. Rusty suggested to use some numbering scheme where some ports
> > could exist at predefined locations so that we wouldn't need the naming
> > and the ioctls around it.
>
> I think the naming is very important.
I disagree. If you can hand out names, you can hand out numbers. Whether
the guest chooses to put that number in sysfs or make it a minor, I don't
care.
Rusty.
- Re: [Qemu-devel] Re: virtio-serial: An interface for host-guest communication, (continued)
- Re: [Qemu-devel] Re: virtio-serial: An interface for host-guest communication, Amit Shah, 2009/08/20
- Re: [Qemu-devel] Re: virtio-serial: An interface for host-guest communication, Gerd Hoffmann, 2009/08/14
- Re: [Qemu-devel] Re: virtio-serial: An interface for host-guest communication, Anthony Liguori, 2009/08/14
- Re: [Qemu-devel] Re: virtio-serial: An interface for host-guest communication, Rusty Russell, 2009/08/20
- Re: [Qemu-devel] Re: virtio-serial: An interface for host-guest communication, Gerd Hoffmann, 2009/08/20
- Re: [Qemu-devel] Re: virtio-serial: An interface for host-guest communication, Amit Shah, 2009/08/20
- Re: [Qemu-devel] Re: virtio-serial: An interface for host-guest communication, Jamie Lokier, 2009/08/20
- Re: [Qemu-devel] Re: virtio-serial: An interface for host-guest communication, Rusty Russell, 2009/08/25
- Re: [Qemu-devel] Re: virtio-serial: An interface for host-guest communication, Gerd Hoffmann, 2009/08/25
- Re: [Qemu-devel] Re: virtio-serial: An interface for host-guest communication, Anthony Liguori, 2009/08/10
- Re: [Qemu-devel] Re: virtio-serial: An interface for host-guest communication,
Rusty Russell <=
- Re: [Qemu-devel] Re: virtio-serial: An interface for host-guest communication, Anthony Liguori, 2009/08/10
- Re: [Qemu-devel] Re: virtio-serial: An interface for host-guest communication, Anthony Liguori, 2009/08/10
- Re: [Qemu-devel] Re: virtio-serial: An interface for host-guest communication, Gerd Hoffmann, 2009/08/10
Re: [Qemu-devel] Re: virtio-serial: An interface for host-guest communication, Amit Shah, 2009/08/06
Re: [Qemu-devel] Re: virtio-serial: An interface for host-guest communication, Richard W.M. Jones, 2009/08/05
Re: [Qemu-devel] Re: virtio-serial: An interface for host-guest communication, Jamie Lokier, 2009/08/05