From: Gleb Natapov <gleb@redhat.com>
To: Joerg Roedel <joro@8bytes.org>
Cc: kvm@vger.kernel.org, avi@redhat.com, mtosatti@redhat.com,
joerg.roedel@amd.com, agraf@suse.de
Subject: Re: [PATCH] SVM: do not generate "external interrupt exit" if other exit is pending
Date: Mon, 20 Sep 2010 09:40:07 +0200 [thread overview]
Message-ID: <20100920074002.GF3008@redhat.com> (raw)
In-Reply-To: <20100919181933.GG15338@8bytes.org>
On Sun, Sep 19, 2010 at 08:19:33PM +0200, Joerg Roedel wrote:
> On Sun, Sep 19, 2010 at 07:50:27PM +0200, Gleb Natapov wrote:
> > On Sun, Sep 19, 2010 at 07:29:41PM +0200, Joerg Roedel wrote:
> > > On Sun, Sep 19, 2010 at 06:41:27PM +0200, Gleb Natapov wrote:
> > > > Nested SVM checks for external interrupt after injecting nested exception.
> > > > In case there is external interrupt pending the code generates "external
> > > > interrupt exit" and overwrites previous exit info. If previously injected
> > > > exception already generated exit it will be lost.
> > >
> > > Right. Have you seen specific mismehavior due to this problem? I am just
> > > curious how you found this :-)
> > Yes. Trying to make async page fault work with nested svm :) It was hard
> > to fix with reproducible test case. I am not dreaming to fix it just by
> > code review.
>
> Interesting. Hope this was the only problem and you have it working now?
>
Yes. Now my test case works.
--
Gleb.
prev parent reply other threads:[~2010-09-20 7:40 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-19 16:41 [PATCH] SVM: do not generate "external interrupt exit" if other exit is pending Gleb Natapov
2010-09-19 17:29 ` Joerg Roedel
2010-09-19 17:50 ` Gleb Natapov
2010-09-19 18:19 ` Joerg Roedel
2010-09-20 7:40 ` Gleb Natapov [this message]
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=20100920074002.GF3008@redhat.com \
--to=gleb@redhat.com \
--cc=agraf@suse.de \
--cc=avi@redhat.com \
--cc=joerg.roedel@amd.com \
--cc=joro@8bytes.org \
--cc=kvm@vger.kernel.org \
--cc=mtosatti@redhat.com \
/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