From: Paolo Bonzini <pbonzini@redhat.com>
To: Chris J Arges <chris.j.arges@canonical.com>, kvm@vger.kernel.org
Subject: Re: KVM Guest Detection
Date: Mon, 09 Feb 2015 17:12:02 +0100 [thread overview]
Message-ID: <54D8DC52.9030102@redhat.com> (raw)
In-Reply-To: <54D8C616.6060205@canonical.com>
On 09/02/2015 15:37, Chris J Arges wrote:
> > Why do you need that? If you are disabling something if you are on a
> > virtualized platform, then that is most of the time (and I am not saying
> > always only because of things like microcode.service) wrong.
>
> A use-case is disabling KSM if running inside an L1 guest.
But even that might not make sense if KSM is disable in L0, I think.
BTW, I think Fedora has disabled KSM by default.
Paolo
> This would be
> changed to ensure better defaults rather than work around issues. The
> qemu-kvm packaging in Ubuntu enables KSM by default if you install the
> package. If we are attempting to do things like nested guests, then it
> may make sense to disable KSM when installing qemu-kvm in the L1 guest.
> Another solution to this issue is to not enable KSM in the package and
> let the user configure this when necessary.
next prev parent reply other threads:[~2015-02-09 16:12 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-06 20:08 KVM Guest Detection Chris J Arges
2015-02-09 13:26 ` Paolo Bonzini
2015-02-09 14:37 ` Chris J Arges
2015-02-09 16:12 ` Paolo Bonzini [this message]
-- strict thread matches above, loose matches on Subject: below --
2008-08-13 17:57 KVM Guest detection jd
2008-08-13 18:40 ` David Mair
2008-08-13 18:59 ` Anthony Liguori
2008-08-13 21:05 ` jd
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