From: "Maciej S. Szmigiero" <mail@maciej.szmigiero.name>
To: "Alex Williamson" <alex.williamson@redhat.com>,
"Cédric Le Goater" <clg@redhat.com>,
"Peter Xu" <peterx@redhat.com>, "Fabiano Rosas" <farosas@suse.de>
Cc: Peter Maydell <peter.maydell@linaro.org>,
Eric Auger <eric.auger@redhat.com>,
Avihai Horon <avihaih@nvidia.com>,
qemu-arm@nongnu.org, qemu-devel@nongnu.org
Subject: [PATCH v2 0/2] VFIO multifd device state transfer patches for QEMU 10.1
Date: Tue, 15 Jul 2025 16:37:35 +0200 [thread overview]
Message-ID: <cover.1752589295.git.maciej.szmigiero@oracle.com> (raw)
From: "Maciej S. Szmigiero" <maciej.szmigiero@oracle.com>
This is an updated v2 patch series of the v1 series located at [1] of the
leftover patches of VFIO multifd migration patch set that was merged in
QEMU 10.0.
Changes from v1:
* Drop the in-flight VFIO device state buffer *count* limit, leave
the *size* limit only.
* Add a small target-dependent helper to hw/vfio/helpers.c to avoid doing
strcmp(target_name(), "aarch64") in hw/vfio/migration-multifd.c.
* Mention that VFIO device config with ARM interlocking enabled is
loaded as part of the non-iterables as suggested by Avihai.
* Collect Fabiano and Avihai Reviewed-by tags.
[1]: https://lore.kernel.org/qemu-devel/cover.1750787338.git.maciej.szmigiero@oracle.com/
Maciej S. Szmigiero (2):
vfio/migration: Add x-migration-load-config-after-iter VFIO property
vfio/migration: Max in-flight VFIO device state buffers size limit
docs/devel/migration/vfio.rst | 19 ++++++
hw/core/machine.c | 1 +
hw/vfio/helpers.c | 17 +++++
hw/vfio/migration-multifd.c | 100 +++++++++++++++++++++++++++++-
hw/vfio/migration-multifd.h | 3 +
hw/vfio/migration.c | 10 ++-
hw/vfio/pci.c | 19 ++++++
hw/vfio/vfio-helpers.h | 2 +
hw/vfio/vfio-migration-internal.h | 1 +
include/hw/vfio/vfio-device.h | 2 +
10 files changed, 171 insertions(+), 3 deletions(-)
next reply other threads:[~2025-07-15 15:09 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-15 14:37 Maciej S. Szmigiero [this message]
2025-07-15 14:37 ` [PATCH v2 1/2] vfio/migration: Add x-migration-load-config-after-iter VFIO property Maciej S. Szmigiero
2025-07-15 14:37 ` [PATCH v2 2/2] vfio/migration: Max in-flight VFIO device state buffers size limit Maciej S. Szmigiero
2025-07-15 16:18 ` [PATCH v2 0/2] VFIO multifd device state transfer patches for QEMU 10.1 Cédric Le Goater
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