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Bug#661318: linux-image-3.2.0-1-amd64: Possibility integrating newer Hyper-V paravirt drivers in squeeze?



G'day

Am 26.02.2012 18:10, schrieb Ben Hutchings:
> Please ping this bug after v3.4-rc1 and I'll try to pull all the changes
> that went into there.
3.4-rc1 isn't out - yet, but I'd say that Linus' tree now contains all
the stuff that should
go into 3.4 for Hyper-V. The diff of Hyper-V driver with my patched
vanilla 3.2 and 3.4 is nonexisting now.

So far I kept running vanilla 3.2.11 + linux-next (all) patches that
whent up in mainline and things seem to work.

I'd like to help getting the patches in right shape - if possible. (or
point me to the site I'd need to read)
Does Debian prefer "1 patch per upstream" commit or have one big patch
per driver/file?

Additionally:
There is one issue that was raised by MS people towards Ubuntu - where
we are attained too:
ata_pIIx doesn't defer to the (much faster) paravirt storage driver when
Debian is run on Hyper-V,
or worse, we can lose the root file system when drivers switch between
storvsc and ata_piix.

As we can't use modprobe rules (as done on RHEL for this), Andy
Whitcroft has come up
with a patch for Ubuntu's 3.2-based kernel that solves the problem and
does the job on
Wheezys' kernel too.*

Looking forward and thanks for your time!
- Mathieu

*
http://kernel.ubuntu.com/git?p=ubuntu/ubuntu-precise.git;a=commitdiff;h=a896e46ae52619bf4f34cdb342c2862071f5c25c;hp=720dab378e884a99b6d8aed51f7eb1615d10549e
(MS' Mike Sterling agreed in community forums that this patch isn't
likely to go upstream as such...)



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