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    SubjectRe: [PULL] virtio
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    On 07.03.2010, at 12:04, Michael S. Tsirkin wrote:

    > On Sun, Mar 07, 2010 at 11:57:23AM +0100, Alexander Graf wrote:
    >>
    >> On 07.03.2010, at 11:42, Michael S. Tsirkin wrote:
    >>
    >>> Linus,
    >>> Please pull another virtio fix: this one fixes hotplug and
    >>> was supposed to be applied by Rusty already
    >>> (http://lkml.org/lkml/2009/11/30/451), but apparently got lost,
    >>> somehow.
    >>>
    >>> Thanks!
    >>>
    >>> The following changes since commit 3119815912a220bdac943dfbdfee640414c0c611:
    >>> Michael S. Tsirkin (1):
    >>> virtio: fix out of range array access
    >>>
    >>> are available in the git repository at:
    >>>
    >>> git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git for-linus
    >>>
    >>> Michael S. Tsirkin (1):
    >>> virtio: set pci bus master enable bit
    >>
    >> This is still missing an identifier for the hypervisor. We need to know if the guest will ever set bus master enabled or not, so we can have a compat hack in qemu to not check for it.
    >>
    >>
    >> Alex
    >
    > This patch fixes hotplug with qemu 0.11-0.12 which can't make use of a new
    > identifier without a time machine.

    For 0.12 there's -stable and I don't think the bad patch is in 0.11 yet?

    > IMHO we can't add new identifiers in time for 2.6.34 anyway, so if you
    > want to do that, please send a patch and have it queued up for the next
    > release. But I don't think we need an identifier for compat hack.
    > Hypervisor can detect buggy guests when they set status to OK without
    > enabling bus master first.
    >
    > Makes sense?

    Ah, so you'd do the compat hack purely in qemu? Sounds good to me.

    Nevermind the noise - please take that patch :-).

    Alex

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