From: Steve Rutherford <srutherford@google.com>
To: jejb@linux.ibm.com
Cc: Paolo Bonzini <pbonzini@redhat.com>,
Ashish Kalra <Ashish.Kalra@amd.com>,
qemu-devel <qemu-devel@nongnu.org>,
Thomas Lendacky <thomas.lendacky@amd.com>,
Brijesh Singh <brijesh.singh@amd.com>,
"Habkost, Eduardo" <ehabkost@redhat.com>,
"S. Tsirkin, Michael" <mst@redhat.com>,
Richard Henderson <richard.henderson@linaro.org>,
Tobin Feldman-Fitzthum <tobin@ibm.com>,
Dov Murik <dovmurik@linux.vnet.ibm.com>,
Hubertus Franke <frankeh@us.ibm.com>,
David Gilbert <dgilbert@redhat.com>, kvm <kvm@vger.kernel.org>
Subject: Re: [RFC PATCH 00/13] Add support for Mirror VM.
Date: Tue, 17 Aug 2021 16:10:33 -0700 [thread overview]
Message-ID: <CABayD+cCeVw8QAUwD9qCxWN_tEm14k_o4VFM+s4r9uwypvkmSA@mail.gmail.com> (raw)
In-Reply-To: <b1b5adcdbf51112d7b3cc2c66123dea5276a4a6d.camel@linux.ibm.com>
On Tue, Aug 17, 2021 at 3:57 PM James Bottomley <jejb@linux.ibm.com> wrote:
> Realistically, migration is becoming a royal pain, not just for
> confidential computing, but for virtual functions in general. I really
> think we should look at S3 suspend, where we shut down the drivers and
> then reattach on S3 resume as the potential pathway to getting
> migration working both for virtual functions and this use case.
This type of migration seems a little bit less "live", which makes me
concerned about its performance characteristics.
Steve
next prev parent reply other threads:[~2021-08-17 23:11 UTC|newest]
Thread overview: 104+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-16 13:25 [RFC PATCH 00/13] Add support for Mirror VM Ashish Kalra
2021-08-16 13:26 ` [RFC PATCH 01/13] machine: Add mirrorvcpus=N suboption to -smp Ashish Kalra
2021-08-16 21:23 ` Eric Blake
2021-08-16 21:23 ` Eric Blake
2021-08-16 13:27 ` [RFC PATCH 02/13] hw/boards: Add mirror_vcpu flag to CPUArchId Ashish Kalra
2021-08-16 13:27 ` [RFC PATCH 03/13] hw/i386: Mark mirror vcpus in possible_cpus Ashish Kalra
2021-08-16 13:27 ` [RFC PATCH 04/13] hw/acpi: Don't include mirror vcpus in ACPI tables Ashish Kalra
2021-08-16 13:28 ` [RFC PATCH 05/13] cpu: Add boolean mirror_vcpu field to CPUState Ashish Kalra
2021-08-16 13:28 ` [RFC PATCH 06/13] hw/i386: Set CPUState.mirror_vcpu=true for mirror vcpus Ashish Kalra
2021-08-16 13:29 ` [RFC PATCH 07/13] kvm: Add Mirror VM ioctl and enable cap interfaces Ashish Kalra
2021-08-16 13:29 ` [RFC PATCH 08/13] kvm: Add Mirror VM support Ashish Kalra
2021-08-16 13:29 ` [RFC PATCH 09/13] kvm: create Mirror VM and share primary VM's encryption context Ashish Kalra
2021-08-16 13:30 ` [RFC PATCH 10/13] softmmu/cpu: Skip mirror vcpu's for pause, resume and synchronization Ashish Kalra
2021-08-16 13:30 ` [RFC PATCH 11/13] kvm/apic: Disable in-kernel APIC support for mirror vcpu's Ashish Kalra
2021-08-16 13:31 ` [RFC PATCH 12/13] hw/acpi: disable modern CPU hotplug interface " Ashish Kalra
2021-08-16 13:31 ` [RFC PATCH 13/13] hw/i386/pc: reduce fw_cfg boot cpu count taking into account " Ashish Kalra
2021-08-16 14:01 ` [RFC PATCH 00/13] Add support for Mirror VM Claudio Fontana
2021-08-16 14:01 ` Claudio Fontana
2021-08-16 14:15 ` Paolo Bonzini
2021-08-16 14:15 ` Paolo Bonzini
2021-08-16 14:23 ` Daniel P. Berrangé
2021-08-16 14:23 ` Daniel P. Berrangé
2021-08-16 15:00 ` Paolo Bonzini
2021-08-16 15:00 ` Paolo Bonzini
2021-08-16 15:16 ` Daniel P. Berrangé
2021-08-16 15:16 ` Daniel P. Berrangé
2021-08-16 15:35 ` Paolo Bonzini
2021-08-16 15:35 ` Paolo Bonzini
2021-08-16 14:44 ` Ashish Kalra
2021-08-16 14:58 ` Paolo Bonzini
2021-08-16 14:58 ` Paolo Bonzini
2021-08-16 15:13 ` Ashish Kalra
2021-08-16 15:38 ` Paolo Bonzini
2021-08-16 15:38 ` Paolo Bonzini
2021-08-16 15:48 ` Dr. David Alan Gilbert
2021-08-16 15:48 ` Dr. David Alan Gilbert
2021-08-18 10:31 ` Ashish Kalra
2021-08-18 11:25 ` James Bottomley
2021-08-18 11:25 ` James Bottomley
2021-08-18 15:31 ` Dr. David Alan Gilbert
2021-08-18 15:31 ` Dr. David Alan Gilbert
2021-08-18 15:35 ` James Bottomley
2021-08-18 15:35 ` James Bottomley
2021-08-18 15:43 ` Dr. David Alan Gilbert
2021-08-18 15:43 ` Dr. David Alan Gilbert
2021-08-18 16:28 ` James Bottomley
2021-08-18 16:28 ` James Bottomley
2021-08-18 17:30 ` Dr. David Alan Gilbert
2021-08-18 17:30 ` Dr. David Alan Gilbert
2021-08-18 18:51 ` James Bottomley
2021-08-18 18:51 ` James Bottomley
2021-08-18 19:47 ` Paolo Bonzini
2021-08-16 17:23 ` Dr. David Alan Gilbert
2021-08-16 17:23 ` Dr. David Alan Gilbert
2021-08-16 20:53 ` Paolo Bonzini
2021-08-16 23:53 ` Steve Rutherford
2021-08-16 23:53 ` Steve Rutherford
2021-08-17 7:05 ` Michael S. Tsirkin
2021-08-17 7:05 ` Michael S. Tsirkin
2021-08-17 8:38 ` Dr. David Alan Gilbert
2021-08-17 8:38 ` Dr. David Alan Gilbert
2021-08-17 14:08 ` Ashish Kalra
2021-08-17 16:32 ` Paolo Bonzini
2021-08-17 16:32 ` Paolo Bonzini
2021-08-17 20:50 ` Tobin Feldman-Fitzthum
2021-08-17 20:50 ` Tobin Feldman-Fitzthum
2021-08-17 22:04 ` Steve Rutherford
2021-08-17 22:04 ` Steve Rutherford
2021-08-18 15:32 ` Tobin Feldman-Fitzthum
2021-08-18 15:32 ` Tobin Feldman-Fitzthum
2021-08-18 19:04 ` Dr. David Alan Gilbert
2021-08-18 19:04 ` Dr. David Alan Gilbert
2021-08-18 21:42 ` Tobin Feldman-Fitzthum
2021-08-18 21:42 ` Tobin Feldman-Fitzthum
2021-08-19 8:22 ` Dr. David Alan Gilbert
2021-08-19 8:22 ` Dr. David Alan Gilbert
2021-08-19 14:06 ` James Bottomley
2021-08-19 14:06 ` James Bottomley
2021-08-19 14:28 ` Dr. David Alan Gilbert
2021-08-19 14:28 ` Dr. David Alan Gilbert
2021-08-19 22:10 ` James Bottomley
2021-08-19 22:10 ` James Bottomley
2021-08-23 12:26 ` Dr. David Alan Gilbert
2021-08-23 12:26 ` Dr. David Alan Gilbert
2021-08-23 16:28 ` Tobin Feldman-Fitzthum
2021-08-23 16:28 ` Tobin Feldman-Fitzthum
2021-08-19 14:07 ` Tobin Feldman-Fitzthum
2021-08-19 14:07 ` Tobin Feldman-Fitzthum
2021-08-17 23:20 ` Paolo Bonzini
2021-08-17 23:20 ` Paolo Bonzini
2021-08-17 21:54 ` Steve Rutherford
2021-08-17 21:54 ` Steve Rutherford
2021-08-17 22:37 ` Paolo Bonzini
2021-08-17 22:37 ` Paolo Bonzini
2021-08-17 22:57 ` James Bottomley
2021-08-17 22:57 ` James Bottomley
2021-08-17 23:10 ` Steve Rutherford [this message]
2021-08-17 23:10 ` Steve Rutherford
2021-08-18 2:49 ` James Bottomley
2021-08-18 2:49 ` James Bottomley
2021-08-18 14:06 ` Ashish Kalra
2021-08-18 17:07 ` Ashish Kalra
2021-08-16 15:07 Tobin Feldman-Fitzthum
2021-08-16 15:07 ` Tobin Feldman-Fitzthum
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=CABayD+cCeVw8QAUwD9qCxWN_tEm14k_o4VFM+s4r9uwypvkmSA@mail.gmail.com \
--to=srutherford@google.com \
--cc=Ashish.Kalra@amd.com \
--cc=brijesh.singh@amd.com \
--cc=dgilbert@redhat.com \
--cc=dovmurik@linux.vnet.ibm.com \
--cc=ehabkost@redhat.com \
--cc=frankeh@us.ibm.com \
--cc=jejb@linux.ibm.com \
--cc=kvm@vger.kernel.org \
--cc=mst@redhat.com \
--cc=pbonzini@redhat.com \
--cc=qemu-devel@nongnu.org \
--cc=richard.henderson@linaro.org \
--cc=thomas.lendacky@amd.com \
--cc=tobin@ibm.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.