From: Jamie Lokier <jamie@shareable.org>
To: "Roedel, Joerg" <Joerg.Roedel@amd.com>
Cc: Erik van der Kouwe <vdkouwe@cs.vu.nl>,
Jan Kiszka <jan.kiszka@web.de>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
Gleb Natapov <gleb@redhat.com>
Subject: Re: [Qemu-devel] Re: SVM emulation: EVENTINJ marked valid when a pagefault happens while issuing a software interrupt
Date: Fri, 28 May 2010 14:20:31 +0100 [thread overview]
Message-ID: <20100528132031.GG31920@shareable.org> (raw)
In-Reply-To: <20100528073531.GD3266@amd.com>
Roedel, Joerg wrote:
> On Fri, May 28, 2010 at 02:10:59AM -0400, Jan Kiszka wrote:
> > Erik van der Kouwe wrote:
>
> > > In my experience, if I provide the -enable-kvm switch then the guest VMM
> > > never detects the presence of virtualization support. Does this only
> > > work on AMD hardware? Or do I need to supply some additional parameter
> > > to make it work?
> >
> > Yes, forgot to mention: -enable-nesting, and you need qemu-kvm. This
> > feature hasn't been merged upstream yet.
>
> And the svm-emulation is only available on AMD hardware.
I assume you mean nested SVM emulation in a KVM guest is only
available on real AMD hardware?
Is this due to something inherent, or just a limitation of the KVM
code not handling all the necessary traps in kvm-intel?
Thanks,
-- Jamie
next prev parent reply other threads:[~2010-05-28 13:20 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-27 15:26 [Qemu-devel] SVM emulation: EVENTINJ marked valid when a pagefault happens while issuing a software interrupt Erik van der Kouwe
2010-05-27 18:53 ` [Qemu-devel] " Jan Kiszka
2010-05-27 19:49 ` Erik van der Kouwe
2010-05-27 22:20 ` Jan Kiszka
2010-05-28 5:13 ` Erik van der Kouwe
2010-05-28 6:10 ` Jan Kiszka
2010-05-28 7:35 ` Roedel, Joerg
2010-05-28 13:20 ` Jamie Lokier [this message]
2010-05-28 13:30 ` Erik van der Kouwe
2010-05-28 13:44 ` Roedel, Joerg
2010-05-28 13:52 ` Erik van der Kouwe
2010-05-28 13:32 ` Roedel, Joerg
2010-05-28 7:33 ` Roedel, Joerg
2010-05-28 7:47 ` Jan Kiszka
2010-05-28 7:24 ` Roedel, Joerg
2010-05-28 7:45 ` Erik van der Kouwe
2010-05-28 9:12 ` Roedel, Joerg
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20100528132031.GG31920@shareable.org \
--to=jamie@shareable.org \
--cc=Joerg.Roedel@amd.com \
--cc=gleb@redhat.com \
--cc=jan.kiszka@web.de \
--cc=qemu-devel@nongnu.org \
--cc=vdkouwe@cs.vu.nl \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).