Re: [Qemu-devel] [PATCH 0/3] pc: Set hw_version on all machine classes

[Igor Mammedov]

On Wed, 23 Sep 2015 12:37:08 +0200
Laszlo Ersek <address@hidden> wrote:

> On 09/23/15 10:04, Igor Mammedov wrote:
> > On Tue, 22 Sep 2015 17:16:24 -0300
> > Eduardo Habkost <address@hidden> wrote:
> > 
> >> In 2012, QEMU had a bug where it exposed QEMU version information
> >> to the guest, meaning a QEMU upgrade would expose different
> >> hardware to the guest OS even if the same machine-type is being
> >> used.
> >>
> >> The bug was fixed by commit 93bfef4c6e4b23caea9d51e1099d06433d8835a4,
> >> on all machines up to pc-1.0. But we kept introducing the same
> >> bug on all newer machines since then. That means we are breaking
> >> guest ABI every time QEMU was upgraded.
> >>
> >> Fix this by setting the hw_version on all PC machines, making
> >> sure the hardware won't change when upgrading QEMU.
> >>
> >> This series is based on Michael's PCI tree, plus the "Set
> >> broken_reserved_end on pc-*-2.4, not 2.5" patch I submitted
> >> earlier today.
> > I haven't seen this patch on list, perhaps it needs to be resubmitted?
> 
> http://lists.nongnu.org/archive/html/qemu-devel/2015-09/msg05778.html
If I'm not mistaken it's link to this series and not to
"Set broken_reserved_end on pc-*-2.4, not 2.5" patch.