From: Jason Gunthorpe <jgg@nvidia.com>
To: Alex Williamson <alex.williamson@redhat.com>
Cc: "Avihai Horon" <avihaih@nvidia.com>,
qemu-devel@nongnu.org, "Cédric Le Goater" <clg@redhat.com>,
"Juan Quintela" <quintela@redhat.com>,
"Dr. David Alan Gilbert" <dgilbert@redhat.com>,
"Michael S. Tsirkin" <mst@redhat.com>,
"Peter Xu" <peterx@redhat.com>,
"Jason Wang" <jasowang@redhat.com>,
"Marcel Apfelbaum" <marcel.apfelbaum@gmail.com>,
"Paolo Bonzini" <pbonzini@redhat.com>,
"Richard Henderson" <richard.henderson@linaro.org>,
"Eduardo Habkost" <eduardo@habkost.net>,
"David Hildenbrand" <david@redhat.com>,
"Philippe Mathieu-Daudé" <philmd@linaro.org>,
"Yishai Hadas" <yishaih@nvidia.com>,
"Maor Gottlieb" <maorg@nvidia.com>,
"Kirti Wankhede" <kwankhede@nvidia.com>,
"Tarun Gupta" <targupta@nvidia.com>,
"Joao Martins" <joao.m.martins@oracle.com>
Subject: Re: [PATCH v2 11/20] vfio/common: Add device dirty page tracking start/stop
Date: Thu, 23 Feb 2023 16:54:44 -0400 [thread overview]
Message-ID: <Y/fSlIUcsODBp8Ck@nvidia.com> (raw)
In-Reply-To: <20230223131640.515451b2.alex.williamson@redhat.com>
On Thu, Feb 23, 2023 at 01:16:40PM -0700, Alex Williamson wrote:
> On Thu, 23 Feb 2023 15:30:28 -0400
> Jason Gunthorpe <jgg@nvidia.com> wrote:
>
> > On Thu, Feb 23, 2023 at 12:27:23PM -0700, Alex Williamson wrote:
> > > So again, I think I'm just looking for a better comment that doesn't
> > > add FUD to the reasoning behind switching to a single range,
> >
> > It isn't a single range, it is a single page of ranges, right?
>
> Exceeding a single page of ranges is the inflection point at which we
> switch to a single range.
Oh, that isn't what it should do - it should cut it back to fit in a
page..
Jason
next prev parent reply other threads:[~2023-02-23 20:55 UTC|newest]
Thread overview: 93+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-02-22 17:48 [PATCH v2 00/20] vfio: Add migration pre-copy support and device dirty tracking Avihai Horon
2023-02-22 17:48 ` [PATCH v2 01/20] migration: Pass threshold_size to .state_pending_{estimate, exact}() Avihai Horon via
2023-02-22 17:48 ` [PATCH v2 02/20] vfio/migration: Refactor vfio_save_block() to return saved data size Avihai Horon
2023-02-27 14:10 ` Cédric Le Goater
2023-02-22 17:48 ` [PATCH v2 03/20] vfio/migration: Add VFIO migration pre-copy support Avihai Horon
2023-02-22 20:58 ` Alex Williamson
2023-02-23 15:25 ` Avihai Horon
2023-02-23 21:16 ` Alex Williamson
2023-02-26 16:43 ` Avihai Horon
2023-02-27 16:14 ` Alex Williamson
2023-02-27 17:26 ` Jason Gunthorpe
2023-02-27 17:43 ` Alex Williamson
2023-03-01 18:49 ` Avihai Horon
2023-03-01 19:55 ` Alex Williamson
2023-03-01 21:12 ` Jason Gunthorpe
2023-03-01 22:39 ` Alex Williamson
2023-03-06 19:01 ` Jason Gunthorpe
2023-02-22 17:48 ` [PATCH v2 04/20] vfio/common: Fix error reporting in vfio_get_dirty_bitmap() Avihai Horon
2023-02-22 17:49 ` [PATCH v2 05/20] vfio/common: Fix wrong %m usages Avihai Horon
2023-02-22 17:49 ` [PATCH v2 06/20] vfio/common: Abort migration if dirty log start/stop/sync fails Avihai Horon
2023-02-22 17:49 ` [PATCH v2 07/20] vfio/common: Add VFIOBitmap and (de)alloc functions Avihai Horon
2023-02-22 21:40 ` Alex Williamson
2023-02-23 15:27 ` Avihai Horon
2023-02-27 14:09 ` Cédric Le Goater
2023-03-01 18:56 ` Avihai Horon
2023-03-02 13:24 ` Joao Martins
2023-03-02 14:52 ` Cédric Le Goater
2023-03-02 16:30 ` Joao Martins
2023-03-04 0:23 ` Joao Martins
2023-02-22 17:49 ` [PATCH v2 08/20] util: Add iova_tree_nnodes() Avihai Horon
2023-02-22 17:49 ` [PATCH v2 09/20] util: Extend iova_tree_foreach() to take data argument Avihai Horon
2023-02-22 17:49 ` [PATCH v2 10/20] vfio/common: Record DMA mapped IOVA ranges Avihai Horon
2023-02-22 22:10 ` Alex Williamson
2023-02-23 10:37 ` Joao Martins
2023-02-23 21:05 ` Alex Williamson
2023-02-23 21:19 ` Joao Martins
2023-02-23 21:50 ` Alex Williamson
2023-02-23 21:54 ` Joao Martins
2023-02-28 12:11 ` Joao Martins
2023-02-28 20:36 ` Alex Williamson
2023-03-02 0:07 ` Joao Martins
2023-03-02 0:13 ` Joao Martins
2023-03-02 18:42 ` Alex Williamson
2023-03-03 0:19 ` Joao Martins
2023-03-03 16:58 ` Joao Martins
2023-03-03 17:05 ` Alex Williamson
2023-03-03 19:14 ` Joao Martins
2023-03-03 19:40 ` Alex Williamson
2023-03-03 20:16 ` Joao Martins
2023-03-03 23:47 ` Alex Williamson
2023-03-03 23:57 ` Joao Martins
2023-03-04 0:21 ` Joao Martins
2023-02-22 17:49 ` [PATCH v2 11/20] vfio/common: Add device dirty page tracking start/stop Avihai Horon
2023-02-22 22:40 ` Alex Williamson
2023-02-23 2:02 ` Jason Gunthorpe
2023-02-23 19:27 ` Alex Williamson
2023-02-23 19:30 ` Jason Gunthorpe
2023-02-23 20:16 ` Alex Williamson
2023-02-23 20:54 ` Jason Gunthorpe [this message]
2023-02-26 16:54 ` Avihai Horon
2023-02-23 15:36 ` Avihai Horon
2023-02-22 17:49 ` [PATCH v2 12/20] vfio/common: Extract code from vfio_get_dirty_bitmap() to new function Avihai Horon
2023-02-22 17:49 ` [PATCH v2 13/20] vfio/common: Add device dirty page bitmap sync Avihai Horon
2023-02-22 17:49 ` [PATCH v2 14/20] vfio/common: Extract vIOMMU code from vfio_sync_dirty_bitmap() Avihai Horon
2023-02-22 17:49 ` [PATCH v2 15/20] memory/iommu: Add IOMMU_ATTR_MAX_IOVA attribute Avihai Horon
2023-02-22 17:49 ` [PATCH v2 16/20] intel-iommu: Implement get_attr() method Avihai Horon
2023-02-22 17:49 ` [PATCH v2 17/20] vfio/common: Support device dirty page tracking with vIOMMU Avihai Horon
2023-02-22 23:34 ` Alex Williamson
2023-02-23 2:08 ` Jason Gunthorpe
2023-02-23 20:06 ` Alex Williamson
2023-02-23 20:55 ` Jason Gunthorpe
2023-02-23 21:30 ` Joao Martins
2023-02-23 22:33 ` Alex Williamson
2023-02-23 23:26 ` Jason Gunthorpe
2023-02-24 11:25 ` Joao Martins
2023-02-24 12:53 ` Joao Martins
2023-02-24 15:47 ` Jason Gunthorpe
2023-02-24 15:56 ` Alex Williamson
2023-02-24 19:16 ` Joao Martins
2023-02-22 17:49 ` [PATCH v2 18/20] vfio/common: Optimize " Avihai Horon
2023-02-22 17:49 ` [PATCH v2 19/20] vfio/migration: Query device dirty page tracking support Avihai Horon
2023-02-22 17:49 ` [PATCH v2 20/20] docs/devel: Document VFIO device dirty page tracking Avihai Horon
2023-02-27 14:29 ` Cédric Le Goater
2023-02-22 18:00 ` [PATCH v2 00/20] vfio: Add migration pre-copy support and device dirty tracking Avihai Horon
2023-02-22 20:55 ` Alex Williamson
2023-02-23 10:05 ` Cédric Le Goater
2023-02-23 15:07 ` Avihai Horon
2023-02-27 10:24 ` Cédric Le Goater
2023-02-23 14:56 ` Avihai Horon
2023-02-24 19:26 ` Joao Martins
2023-02-26 17:00 ` Avihai Horon
2023-02-27 13:50 ` Cédric Le Goater
2023-03-01 19:04 ` Avihai Horon
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