From: Jason Gunthorpe <jgg@nvidia.com>
To: Joao Martins <joao.m.martins@oracle.com>
Cc: Juan Quintela <quintela@redhat.com>,
Alex Williamson <alex.williamson@redhat.com>,
Eric Blake <eblake@redhat.com>,
Stefan Hajnoczi <stefanha@redhat.com>, Fam Zheng <fam@euphon.net>,
qemu-s390x@nongnu.org, Cornelia Huck <cohuck@redhat.com>,
Thomas Huth <thuth@redhat.com>,
Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>,
Laurent Vivier <lvivier@redhat.com>, John Snow <jsnow@redhat.com>,
"Dr. David Alan Gilbert" <dgilbert@redhat.com>,
Christian Borntraeger <borntraeger@linux.ibm.com>,
Halil Pasic <pasic@linux.ibm.com>,
Paolo Bonzini <pbonzini@redhat.com>,
qemu-block@nongnu.org, Eric Farman <farman@linux.ibm.com>,
Richard Henderson <richard.henderson@linaro.org>,
David Hildenbrand <david@redhat.com>,
Avihai Horon <avihaih@nvidia.com>,
qemu-devel@nongnu.org
Subject: Re: [RFC 7/7] migration: call qemu_savevm_state_pending_exact() with the guest stopped
Date: Fri, 14 Oct 2022 16:49:42 -0300 [thread overview]
Message-ID: <Y0m9Vgb777sqryFU@nvidia.com> (raw)
In-Reply-To: <bf945182-5c73-b1cc-13b2-5594bc21823f@oracle.com>
On Thu, Oct 13, 2022 at 01:25:10PM +0100, Joao Martins wrote:
> It would allow supporting both the (current UAPI) case where you need to
> transfer the state to get device state size (so checking against threshold_size
> pending_pre constantly would allow to not violate the SLA) as well as any other
> UAPI improvement to fseek()/data_size that lets you fail even earlier.
We should not get fixated on missing part of the current kernel
support, if we need a new query or something to make qemu happy then
we will add it. We don't need to worry about supporting the kernel-with-no-query
case in qemu.
Jason
next prev parent reply other threads:[~2022-10-14 19:52 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-03 3:15 [RFC 0/7] migration patches for VFIO Juan Quintela
2022-10-03 3:15 ` [RFC 1/7] migration: Remove res_compatible parameter Juan Quintela
2022-11-22 13:54 ` Dr. David Alan Gilbert
2022-10-03 3:15 ` [RFC 2/7] migration: No save_live_pending() method uses the QEMUFile parameter Juan Quintela
2022-11-22 17:48 ` Dr. David Alan Gilbert
2022-10-03 3:15 ` [RFC 3/7] migration: Block migration comment or code is wrong Juan Quintela
2022-10-03 19:12 ` Stefan Hajnoczi
2022-10-03 3:15 ` [RFC 4/7] migration: Split save_live_pending() into state_pending_* Juan Quintela
2022-11-22 20:08 ` Dr. David Alan Gilbert
2022-10-03 3:15 ` [RFC 5/7] migration: Remove unused threshold_size parameter Juan Quintela
2022-11-23 16:38 ` Dr. David Alan Gilbert
2022-10-03 3:15 ` [RFC 6/7] migration: simplify migration_iteration_run() Juan Quintela
2022-11-23 17:39 ` Dr. David Alan Gilbert
2022-10-03 3:16 ` [RFC 7/7] migration: call qemu_savevm_state_pending_exact() with the guest stopped Juan Quintela
2022-10-13 12:25 ` Joao Martins
2022-10-13 16:08 ` Juan Quintela
2022-10-14 10:36 ` Joao Martins
2022-10-14 11:28 ` Juan Quintela
2022-10-14 12:29 ` Joao Martins
2022-10-18 12:22 ` Jason Gunthorpe via
2022-10-19 15:51 ` Yishai Hadas
2022-10-14 19:49 ` Jason Gunthorpe [this message]
2022-10-20 14:56 ` [RFC 0/7] migration patches for VFIO Yishai Hadas
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