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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.