From: David Woodhouse <dwmw2@infradead.org>
To: Sean Christopherson <seanjc@google.com>,
Paolo Bonzini <pbonzini@redhat.com>
Cc: Coleman Dietsch <dietschc@csp.edu>,
kvm@vger.kernel.org, Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
x86@kernel.org, "H . Peter Anvin" <hpa@zytor.com>,
linux-kernel@vger.kernel.org, skhan@linuxfoundation.org,
Pavel Skripkin <paskripkin@gmail.com>,
linux-kernel-mentees@lists.linuxfoundation.org,
stable@vger.kernel.org,
syzbot+e54f930ed78eb0f85281@syzkaller.appspotmail.com,
metikaya <metikaya@amazon.co.uk>
Subject: Re: [PATCH v3 2/2] KVM: x86/xen: Stop Xen timer before changing IRQ
Date: Tue, 09 Aug 2022 15:52:46 +0100 [thread overview]
Message-ID: <be988b27c3c43222f2c7ec18572abff727c5f355.camel@infradead.org> (raw)
In-Reply-To: <YvJx3Dje4zS/c+H0@google.com>
[-- Attachment #1: Type: text/plain, Size: 585 bytes --]
On Tue, 2022-08-09 at 14:40 +0000, Sean Christopherson wrote:
> I wanted to separate the "init" from the "stop+start", e.g. if there were a more
> appropriate place for invoking kvm_xen_init_timer() I would have suggested moving
> the call outside of KVM_XEN_VCPU_ATTR_TYPE_TIMER entirely.
Yeah, there's nowhere sensible that would apply to only Xen guests. I
looked at kvm_xen_init_vcpu() but that's unconditional.
I do note that we're now calling kvm_xen_init_timer() even when an
*unset* timer is being restored after live update/live migration. But I
think that's OK.
[-- Attachment #2: smime.p7s --]
[-- Type: application/pkcs7-signature, Size: 5965 bytes --]
next prev parent reply other threads:[~2022-08-09 14:52 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-08 19:06 [PATCH v3 1/2] KVM: x86/xen: Initialize Xen timer only once Coleman Dietsch
2022-08-08 19:06 ` [PATCH v3 2/2] KVM: x86/xen: Stop Xen timer before changing IRQ Coleman Dietsch
2022-08-09 0:34 ` Sean Christopherson
2022-08-09 9:22 ` David Woodhouse
2022-08-09 12:59 ` Paolo Bonzini
2022-08-09 13:51 ` David Woodhouse
2022-08-09 14:07 ` Sean Christopherson
2022-08-09 14:16 ` David Woodhouse
2022-08-09 14:31 ` Paolo Bonzini
2022-08-09 14:36 ` David Woodhouse
2022-08-09 14:40 ` Sean Christopherson
2022-08-09 14:52 ` David Woodhouse [this message]
2022-08-09 0:32 ` [PATCH v3 1/2] KVM: x86/xen: Initialize Xen timer only once Sean Christopherson
2022-08-09 12:59 ` Paolo Bonzini
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=be988b27c3c43222f2c7ec18572abff727c5f355.camel@infradead.org \
--to=dwmw2@infradead.org \
--cc=bp@alien8.de \
--cc=dave.hansen@linux.intel.com \
--cc=dietschc@csp.edu \
--cc=hpa@zytor.com \
--cc=kvm@vger.kernel.org \
--cc=linux-kernel-mentees@lists.linuxfoundation.org \
--cc=linux-kernel@vger.kernel.org \
--cc=metikaya@amazon.co.uk \
--cc=mingo@redhat.com \
--cc=paskripkin@gmail.com \
--cc=pbonzini@redhat.com \
--cc=seanjc@google.com \
--cc=skhan@linuxfoundation.org \
--cc=stable@vger.kernel.org \
--cc=syzbot+e54f930ed78eb0f85281@syzkaller.appspotmail.com \
--cc=tglx@linutronix.de \
--cc=x86@kernel.org \
/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).