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From: "Cédric Le Goater" <clg@redhat.com>
To: John Levon <levon@movementarian.org>,
	Steve Sistare <steven.sistare@oracle.com>
Cc: qemu-devel@nongnu.org,
	"Alex Williamson" <alex.williamson@redhat.com>,
	"Yi Liu" <yi.l.liu@intel.com>,
	"Eric Auger" <eric.auger@redhat.com>,
	"Zhenzhong Duan" <zhenzhong.duan@intel.com>,
	"Michael S. Tsirkin" <mst@redhat.com>,
	"Marcel Apfelbaum" <marcel.apfelbaum@gmail.com>,
	"Peter Xu" <peterx@redhat.com>, "Fabiano Rosas" <farosas@suse.de>,
	"Paolo Bonzini" <pbonzini@redhat.com>,
	"David Hildenbrand" <david@redhat.com>,
	"Peter Xu" <peterx@redhat.com>,
	"Philippe Mathieu-Daudé" <philmd@linaro.org>
Subject: Re: [PATCH V3 26/42] vfio: return mr from vfio_get_xlat_addr
Date: Wed, 14 May 2025 19:03:00 +0200	[thread overview]
Message-ID: <a1f5d185-445d-417f-bf0f-1e11c84c91a1@redhat.com> (raw)
In-Reply-To: <aCJfQ2jJ-B5q8hRW@movementarian.org>

+ Paolo
+ David
+ Peter
+ Phil

On 5/12/25 22:51, John Levon wrote:
> On Mon, May 12, 2025 at 08:32:37AM -0700, Steve Sistare wrote:
> 
>> Modify memory_get_xlat_addr and vfio_get_xlat_addr to return the memory
>> region that the translated address is found in.  This will be needed by
>> CPR in a subsequent patch to map blocks using IOMMU_IOAS_MAP_FILE.
>>
>> Also return the xlat offset, so we can simplify the interface by removing
>> the out parameters that can be trivially derived from mr and xlat.
>>
>> Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
> 
> Steve, would you consider splitting this out from the full CPR series and
> submitting as a standalone, as we both have a dependency on doing this, and your
> patch seems much nicer than the current one in vfio-user series?

May be we can merge this version if maintainers ack the change ?

Thanks,

C.



  reply	other threads:[~2025-05-14 17:03 UTC|newest]

Thread overview: 157+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-05-12 15:32 [PATCH V3 00/42] Live update: vfio and iommufd Steve Sistare
2025-05-12 15:32 ` [PATCH V3 01/42] MAINTAINERS: Add reviewer for CPR Steve Sistare
2025-05-15  7:36   ` Cédric Le Goater
2025-05-12 15:32 ` [PATCH V3 02/42] migration: cpr helpers Steve Sistare
2025-05-15  7:43   ` Cédric Le Goater
2025-05-12 15:32 ` [PATCH V3 03/42] migration: lower handler priority Steve Sistare
2025-05-12 15:32 ` [PATCH V3 04/42] vfio: vfio_find_ram_discard_listener Steve Sistare
2025-05-12 15:32 ` [PATCH V3 05/42] vfio: move vfio-cpr.h Steve Sistare
2025-05-15  7:46   ` Cédric Le Goater
2025-05-12 15:32 ` [PATCH V3 06/42] vfio/container: register container for cpr Steve Sistare
2025-05-15  7:54   ` Cédric Le Goater
2025-05-15 19:06     ` Steven Sistare
2025-05-16 16:20       ` Cédric Le Goater
2025-05-16 17:21         ` Steven Sistare
2025-05-12 15:32 ` [PATCH V3 07/42] vfio/container: preserve descriptors Steve Sistare
2025-05-15 12:59   ` Cédric Le Goater
2025-05-15 19:08     ` Steven Sistare
2025-05-19 13:20       ` Cédric Le Goater
2025-05-19 16:21         ` Steven Sistare
2025-05-22 13:51   ` Cédric Le Goater
2025-05-22 13:56     ` Steven Sistare
2025-05-12 15:32 ` [PATCH V3 08/42] vfio/container: export vfio_legacy_dma_map Steve Sistare
2025-05-15 13:42   ` Cédric Le Goater
2025-05-15 19:08     ` Steven Sistare
2025-05-12 15:32 ` [PATCH V3 09/42] vfio/container: discard old DMA vaddr Steve Sistare
2025-05-15 13:30   ` Cédric Le Goater
2025-05-12 15:32 ` [PATCH V3 10/42] vfio/container: restore " Steve Sistare
2025-05-15 13:42   ` Cédric Le Goater
2025-05-15 19:08     ` Steven Sistare
2025-05-19 13:32       ` Cédric Le Goater
2025-05-19 16:33         ` Steven Sistare
2025-05-22  6:37   ` Cédric Le Goater
2025-05-22 14:00     ` Steven Sistare
2025-05-12 15:32 ` [PATCH V3 11/42] vfio/container: mdev cpr blocker Steve Sistare
2025-05-16  8:16   ` Cédric Le Goater
2025-05-12 15:32 ` [PATCH V3 12/42] vfio/container: recover from unmap-all-vaddr failure Steve Sistare
2025-05-20  6:29   ` Cédric Le Goater
2025-05-20 13:39     ` Steven Sistare
2025-05-12 15:32 ` [PATCH V3 13/42] pci: export msix_is_pending Steve Sistare
2025-05-12 15:32 ` [PATCH V3 14/42] pci: skip reset during cpr Steve Sistare
2025-05-16  8:19   ` Cédric Le Goater
2025-05-16 17:58     ` Steven Sistare
2025-05-24  9:34     ` Michael S. Tsirkin
2025-05-27 20:42       ` Steven Sistare
2025-05-27 21:03         ` Michael S. Tsirkin
2025-05-28 16:11           ` Steven Sistare
2025-05-12 15:32 ` [PATCH V3 15/42] vfio-pci: " Steve Sistare
2025-05-20  6:48   ` Cédric Le Goater
2025-05-20 13:44     ` Steven Sistare
2025-05-12 15:32 ` [PATCH V3 16/42] vfio/pci: vfio_vector_init Steve Sistare
2025-05-16  8:32   ` Cédric Le Goater
2025-05-12 15:32 ` [PATCH V3 17/42] vfio/pci: vfio_notifier_init Steve Sistare
2025-05-16  8:29   ` Cédric Le Goater
2025-05-12 15:32 ` [PATCH V3 18/42] vfio/pci: pass vector to virq functions Steve Sistare
2025-05-16  8:28   ` Cédric Le Goater
2025-05-12 15:32 ` [PATCH V3 19/42] vfio/pci: vfio_notifier_init cpr parameters Steve Sistare
2025-05-16  8:29   ` Cédric Le Goater
2025-05-12 15:32 ` [PATCH V3 20/42] vfio/pci: vfio_notifier_cleanup Steve Sistare
2025-05-16  8:30   ` Cédric Le Goater
2025-05-12 15:32 ` [PATCH V3 21/42] vfio/pci: export MSI functions Steve Sistare
2025-05-16  8:31   ` Cédric Le Goater
2025-05-16 17:58     ` Steven Sistare
2025-05-20  5:52       ` Cédric Le Goater
2025-05-20 14:56         ` Steven Sistare
2025-05-20 15:10           ` Cédric Le Goater
2025-05-12 15:32 ` [PATCH V3 22/42] vfio-pci: preserve MSI Steve Sistare
2025-05-28 17:44   ` Steven Sistare
2025-06-01 17:28     ` Cédric Le Goater
2025-05-12 15:32 ` [PATCH V3 23/42] vfio-pci: preserve INTx Steve Sistare
2025-05-12 15:32 ` [PATCH V3 24/42] migration: close kvm after cpr Steve Sistare
2025-05-16  8:35   ` Cédric Le Goater
2025-05-16 17:14     ` Peter Xu
2025-05-16 19:17       ` Steven Sistare
2025-05-16 18:18     ` Steven Sistare
2025-05-19  8:51       ` Cédric Le Goater
2025-05-19 19:07         ` Steven Sistare
2025-05-12 15:32 ` [PATCH V3 25/42] migration: cpr_get_fd_param helper Steve Sistare
2025-05-19 21:22   ` Fabiano Rosas
2025-05-12 15:32 ` [PATCH V3 26/42] vfio: return mr from vfio_get_xlat_addr Steve Sistare
2025-05-12 20:51   ` John Levon
2025-05-14 17:03     ` Cédric Le Goater [this message]
2025-05-15  8:22       ` David Hildenbrand
2025-05-15 19:13         ` Steven Sistare
2025-05-15 17:24     ` Steven Sistare
2025-05-13 11:12   ` Mark Cave-Ayland
2025-05-15 19:40     ` Steven Sistare
2025-05-12 15:32 ` [PATCH V3 27/42] vfio: pass ramblock to vfio_container_dma_map Steve Sistare
2025-05-16  8:26   ` Duan, Zhenzhong
2025-05-12 15:32 ` [PATCH V3 28/42] backends/iommufd: iommufd_backend_map_file_dma Steve Sistare
2025-05-16  8:26   ` Duan, Zhenzhong
2025-05-19 15:51     ` Steven Sistare
2025-05-20 19:32       ` Steven Sistare
2025-05-21  2:48         ` Duan, Zhenzhong
2025-05-12 15:32 ` [PATCH V3 29/42] backends/iommufd: change process ioctl Steve Sistare
2025-05-16  8:42   ` Duan, Zhenzhong
2025-05-19 15:51     ` Steven Sistare
2025-05-20 19:34       ` Steven Sistare
2025-05-21  3:11         ` Duan, Zhenzhong
2025-05-21 13:01           ` Steven Sistare
2025-05-22  3:19             ` Duan, Zhenzhong
2025-05-22 21:11               ` Steven Sistare
2025-05-23  8:56                 ` Duan, Zhenzhong
2025-05-23 14:56                   ` Steven Sistare
2025-05-23 19:19                     ` Steven Sistare
2025-05-26  2:31                       ` Duan, Zhenzhong
2025-05-28 13:31                         ` Steven Sistare
2025-05-30  9:56                           ` Duan, Zhenzhong
2025-05-12 15:32 ` [PATCH V3 30/42] physmem: qemu_ram_get_fd_offset Steve Sistare
2025-05-16  8:40   ` Duan, Zhenzhong
2025-05-12 15:32 ` [PATCH V3 31/42] vfio/iommufd: use IOMMU_IOAS_MAP_FILE Steve Sistare
2025-05-16  8:48   ` Duan, Zhenzhong
2025-05-19 15:52     ` Steven Sistare
2025-05-20 19:39       ` Steven Sistare
2025-05-21  3:13         ` Duan, Zhenzhong
2025-05-20 12:27   ` Cédric Le Goater
2025-05-20 13:58     ` Steven Sistare
2025-05-12 15:32 ` [PATCH V3 32/42] vfio/iommufd: export iommufd_cdev_get_info_iova_range Steve Sistare
2025-05-21 18:35   ` Steven Sistare
2025-05-12 15:32 ` [PATCH V3 33/42] vfio/iommufd: define hwpt constructors Steve Sistare
2025-05-16  8:55   ` Duan, Zhenzhong
2025-05-19 15:55     ` Steven Sistare
2025-05-23 17:47       ` Steven Sistare
2025-05-20 12:34     ` Cédric Le Goater
2025-05-21  2:48       ` Duan, Zhenzhong
2025-05-21  8:19         ` Cédric Le Goater
2025-05-12 15:32 ` [PATCH V3 34/42] vfio/iommufd: invariant device name Steve Sistare
2025-05-16  9:29   ` Duan, Zhenzhong
2025-05-19 15:52     ` Steven Sistare
2025-05-20 13:55   ` Cédric Le Goater
2025-05-20 21:00     ` Steven Sistare
2025-05-21  8:20       ` Cédric Le Goater
2025-05-12 15:32 ` [PATCH V3 35/42] vfio/iommufd: register container for cpr Steve Sistare
2025-05-16 10:23   ` Duan, Zhenzhong
2025-05-19 15:52     ` Steven Sistare
2025-05-12 15:32 ` [PATCH V3 36/42] vfio/iommufd: preserve descriptors Steve Sistare
2025-05-16 10:06   ` Duan, Zhenzhong
2025-05-19 15:53     ` Steven Sistare
2025-05-20  9:15       ` Duan, Zhenzhong
2025-05-12 15:32 ` [PATCH V3 37/42] vfio/iommufd: reconstruct device Steve Sistare
2025-05-16 10:22   ` Duan, Zhenzhong
2025-05-19 15:53     ` Steven Sistare
2025-05-20  9:14       ` Duan, Zhenzhong
2025-05-21 18:38   ` Steven Sistare
2025-05-12 15:32 ` [PATCH V3 38/42] vfio/iommufd: reconstruct hw_caps Steve Sistare
2025-05-21 19:59   ` Steven Sistare
2025-05-12 15:32 ` [PATCH V3 39/42] vfio/iommufd: reconstruct hwpt Steve Sistare
2025-05-19  3:25   ` Duan, Zhenzhong
2025-05-19 15:53     ` Steven Sistare
2025-05-20  9:16       ` Duan, Zhenzhong
2025-05-21 17:40         ` Steven Sistare
2025-05-12 15:32 ` [PATCH V3 40/42] vfio/iommufd: change process Steve Sistare
2025-05-12 15:32 ` [PATCH V3 41/42] iommufd: preserve DMA mappings Steve Sistare
2025-05-12 15:32 ` [PATCH V3 42/42] vfio/container: delete old cpr register Steve Sistare
2025-05-16 16:37 ` [PATCH V3 00/42] Live update: vfio and iommufd Cédric Le Goater
2025-05-16 17:17   ` Steven Sistare
2025-05-16 19:48     ` Steven Sistare
2025-05-19  8:54       ` Cédric Le Goater

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