Re: [GIT PULL] KVM fixes for 2.6.26-rc7

[Soren Hansen <soren@ubuntu.com>]

[-- Attachment #1: Type: text/plain, Size: 1250 bytes --]

On Thu, Jun 26, 2008 at 03:52:47PM +0300, Avi Kivity wrote:
>> The ubuntu kernel has a newer KVM module backported to it so it's
>> really 2.6.25-rcX.
> That's a big no-no.  We only guarantee binary compatibility for
> kernel.org releases.  kvm-blah releases may break compatibility
> temporarily as issues are worked out.

Well, anyhow, let's focus on getting this fixed, shall we?

The kernel modules shipped in 2.6.24 was causing all sorts of issues, so
in an effort to fix those, IIRC I grabbed what was in 2.6.25 at the time
and backported that, so if I were to get this issue fixed, it should be
sufficient to find anything that touches the kvm clock ABI between
2.6.25-rc<whatever I used> and 2.6.25 final. Does that sound about
right?

I'm a bit confused about this, though. I was under the impression that
for the KVM_CLOCK stuff to work, it'd would have to be in the host *and*
the guest kernel, but our kernels don't have KVM_CLOCK enabled at all?

Hmm... Looking at the code, it seems it does require host support, but
it's not #ifdef'ed, so that would explain my confusion..

-- 
Soren Hansen               | 
Virtualisation specialist  | Ubuntu Server Team
Canonical Ltd.             | http://www.ubuntu.com/

[-- Attachment #2: Digital signature --]
[-- Type: application/pgp-signature, Size: 189 bytes --]