From: Matthew Rosato <mjrosato@linux.ibm.com>
To: Konstantin Shkolnyy <kshk@linux.ibm.com>
Cc: alifm@linux.ibm.com, farman@linux.ibm.com,
richard.henderson@linaro.org, iii@linux.ibm.com,
david@kernel.org, cohuck@redhat.com, pasic@linux.ibm.com,
borntraeger@linux.ibm.com, qemu-s390x@nongnu.org,
qemu-devel@nongnu.org
Subject: Re: [PATCH v12 16/17] s390x/pci: Implement migration for emulated devices
Date: Tue, 6 Oct 2026 16:35:49 -0400 [thread overview]
Message-ID: <964ad056-b8ee-4734-9403-91264a75c84f@linux.ibm.com> (raw)
In-Reply-To: <20261006001643.420929-17-kshk@linux.ibm.com>
On 10/5/26 8:16 PM, Konstantin Shkolnyy wrote:
> Implement zPCI device state migration, consequently enabling migration
> of VMs that have emulated PCI devices, whether virtio or not.
> Migration is allowed for devices whose function handle has the
> FH_SHM_EMUL bit set. For these devices QEMU will save and restore the
> state of its zPCI emulator.
>
> This will enable emulated PCI migration starting with s390-ccw-virtio-11.2.
>
> Passthrough devices will continue to block migration.
>
> Signed-off-by: Konstantin Shkolnyy <kshk@linux.ibm.com>
Reviewed-by: Matthew Rosato <mjrosato@linux.ibm.com>
next prev parent reply other threads:[~2026-10-07 8:34 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-06 0:16 [PATCH v12 00/17] s390x/pci: Implement migration for emulated devices Konstantin Shkolnyy
2026-10-06 0:16 ` [PATCH v12 01/17] s390x/pci: implement IOMMU replay Konstantin Shkolnyy
2026-10-06 0:16 ` [PATCH v12 02/17] s390x/pci: Create function to contain translation status check Konstantin Shkolnyy
2026-10-06 0:16 ` [PATCH v12 03/17] s390x/pci: Move iommu_mr from S390PCIIOMMU to S390PCIBusDevice Konstantin Shkolnyy
2026-10-06 0:16 ` [PATCH v12 04/17] s390x/pci: Move dm_mr " Konstantin Shkolnyy
2026-10-06 0:16 ` [PATCH v12 05/17] s390x/pci: Move iotlb " Konstantin Shkolnyy
2026-10-06 0:16 ` [PATCH v12 06/17] s390x/pci: Remove a ptr to S390PCIBusDevice from S390PCIIOMMU Konstantin Shkolnyy
2026-10-06 0:16 ` [PATCH v12 07/17] s390x/pci: Move/rename enabled from S390PCIIOMMU to S390PCIBusDevice Konstantin Shkolnyy
2026-10-06 0:16 ` [PATCH v12 08/17] s390x/pci: Move dma_limit " Konstantin Shkolnyy
2026-10-06 0:16 ` [PATCH v12 09/17] s390x/pci: Move g_iota " Konstantin Shkolnyy
2026-10-06 0:16 ` [PATCH v12 10/17] s390x/pci: Move pba " Konstantin Shkolnyy
2026-10-06 0:16 ` [PATCH v12 11/17] s390x/pci: Move pal " Konstantin Shkolnyy
2026-10-06 0:16 ` [PATCH v12 12/17] s390x/pci: Move max_dma_limit " Konstantin Shkolnyy
2026-10-06 0:16 ` [PATCH v12 13/17] s390x/pci: Add a comment explaining S390PCIIOMMU purpose Konstantin Shkolnyy
2026-10-06 0:16 ` [PATCH v12 14/17] s390x/pci: Move ioat sanity checks into new function, add error message Konstantin Shkolnyy
2026-10-06 16:45 ` Matthew Rosato
2026-10-06 0:16 ` [PATCH v12 15/17] s390x/pci: Provide each zpci device with a unique stable bus "path" Konstantin Shkolnyy
2026-10-06 16:48 ` Matthew Rosato
2026-10-06 20:13 ` Farhan Ali
2026-10-06 0:16 ` [PATCH v12 16/17] s390x/pci: Implement migration for emulated devices Konstantin Shkolnyy
2026-10-06 20:35 ` Matthew Rosato [this message]
2026-10-06 21:13 ` Farhan Ali
2026-10-06 0:16 ` [PATCH v12 17/17] s390x/pci: Create function to contain fmb_timer start Konstantin Shkolnyy
2026-10-07 17:35 ` [PATCH v12 00/17] s390x/pci: Implement migration for emulated devices Eric Farman
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