Re: [SeaBIOS] [PATCH] mark irq9 active high in DSDT

[Avi Kivity <avi@redhat.com>]

  On 10/23/2010 04:12 PM, Kevin O'Connor wrote:
> On Thu, Oct 21, 2010 at 12:07:17PM +0200, Avi Kivity wrote:
> >  How do we manage the stable series wrt this issue?
> >
> >  qemu-kvm-0.12.5 has a regression within the stable series that this
> >  patch fixes.  qemu 0.12.5 does not, but only because it does not
> >  emulate polarity in the I/O APIC correctly.
> >
> >  There are several paths we could take:
> >
> >  - do nothing, bug is fixed in mainline
> >  - release a seabios 0.x.1 for qemu 0.13.1 with this patch
> >  - same, plus seabios 0.y.1 for qemu 0.12.6 with this patch
> >  - skip qemu (which is not truly affected), patch qemu-kvm's copy of
> >  seabios for both 0.12.z and 0.13.z
> >
> >  The third option is the most "correct" from a release engineering
> >  point of view, but involves more work for everyone.
>
> I'm okay with making tags and branches of seabios for bug fixes.  So
> far qemu/kvm has just grabbed various builds of seabios - is it
> worthwhile to branch off of the seabios-0.6.1 version - which would
> mean qemu/kvm would pull in additional changes beyond the bug fix
> above?

qemu 0.12 is based on 0.5.1-stable, appears to be an untagged commit
qemu 0.13 is based on 17d3e46511, doesn't appear to be a part of a 
branch or a tag?

git-wise, tags are more important than branches.  You can always 
retrofit a branch to a tag (and you can always retrofit a tag to a 
commit hash).  For the qemu git repositories, neither matter so much 
since the commit is recorded in git; but the distro people really like 
nice stable tags with lots of digits and dots in them.


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