From: Jason Gunthorpe <jgg@ziepe.ca>
To: Leon Romanovsky <leon@kernel.org>
Cc: "Christian König" <christian.koenig@amd.com>,
"Sumit Semwal" <sumit.semwal@linaro.org>,
"Alex Deucher" <alexander.deucher@amd.com>,
"David Airlie" <airlied@gmail.com>,
"Simona Vetter" <simona@ffwll.ch>,
"Gerd Hoffmann" <kraxel@redhat.com>,
"Dmitry Osipenko" <dmitry.osipenko@collabora.com>,
"Gurchetan Singh" <gurchetansingh@chromium.org>,
"Chia-I Wu" <olvaffe@gmail.com>,
"Maarten Lankhorst" <maarten.lankhorst@linux.intel.com>,
"Maxime Ripard" <mripard@kernel.org>,
"Thomas Zimmermann" <tzimmermann@suse.de>,
"Lucas De Marchi" <lucas.demarchi@intel.com>,
"Thomas Hellström" <thomas.hellstrom@linux.intel.com>,
"Rodrigo Vivi" <rodrigo.vivi@intel.com>,
"Kevin Tian" <kevin.tian@intel.com>,
"Joerg Roedel" <joro@8bytes.org>, "Will Deacon" <will@kernel.org>,
"Robin Murphy" <robin.murphy@arm.com>,
"Alex Williamson" <alex@shazbot.org>,
linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org,
linaro-mm-sig@lists.linaro.org, linux-kernel@vger.kernel.org,
amd-gfx@lists.freedesktop.org, virtualization@lists.linux.dev,
intel-xe@lists.freedesktop.org, linux-rdma@vger.kernel.org,
iommu@lists.linux.dev, kvm@vger.kernel.org
Subject: Re: [PATCH v2 4/4] vfio: Add pinned interface to perform revoke semantics
Date: Mon, 19 Jan 2026 13:03:31 -0400 [thread overview]
Message-ID: <20260119170331.GJ961572@ziepe.ca> (raw)
In-Reply-To: <20260119130244.GN13201@unreal>
On Mon, Jan 19, 2026 at 03:02:44PM +0200, Leon Romanovsky wrote:
> We (VFIO and IOMMUFD) followed the same pattern used in
> amdgpu_bo_move_notify(), which also does not wait.
You have to be really careful copying anything from the GPU drivers as
they have these waits hidden and batched in other parts of their
operations..
Jason
next prev parent reply other threads:[~2026-01-19 17:03 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-18 12:08 [PATCH v2 0/4] dma-buf: document revoke mechanism to invalidate shared buffers Leon Romanovsky
2026-01-18 12:08 ` [PATCH v2 1/4] dma-buf: Rename .move_notify() callback to a clearer identifier Leon Romanovsky
2026-01-19 10:22 ` Christian König
2026-01-19 11:38 ` Leon Romanovsky
2026-01-19 12:00 ` Christian König
2026-01-19 12:39 ` Leon Romanovsky
2026-01-18 12:08 ` [PATCH v2 2/4] dma-buf: Document revoke semantics Leon Romanovsky
2026-01-18 14:29 ` Thomas Hellström
2026-01-19 9:04 ` Leon Romanovsky
2026-01-19 16:46 ` Jason Gunthorpe
2026-01-18 21:40 ` John Hubbard
2026-01-19 7:25 ` Leon Romanovsky
2026-01-19 7:32 ` John Hubbard
2026-01-19 8:04 ` Leon Romanovsky
2026-01-19 10:56 ` Christian König
2026-01-19 11:39 ` Leon Romanovsky
2026-01-19 16:44 ` Jason Gunthorpe
2026-01-20 9:45 ` Leon Romanovsky
2026-01-18 12:08 ` [PATCH v2 3/4] iommufd: Require DMABUF " Leon Romanovsky
2026-01-19 16:59 ` Jason Gunthorpe
2026-01-19 18:23 ` Leon Romanovsky
2026-01-19 19:54 ` Jason Gunthorpe
2026-01-20 13:10 ` Leon Romanovsky
2026-01-20 13:15 ` Jason Gunthorpe
2026-01-20 13:33 ` Leon Romanovsky
2026-01-18 12:08 ` [PATCH v2 4/4] vfio: Add pinned interface to perform " Leon Romanovsky
2026-01-19 12:12 ` Christian König
2026-01-19 13:02 ` Leon Romanovsky
2026-01-19 14:21 ` Christian König
2026-01-19 17:03 ` Jason Gunthorpe [this message]
2026-01-18 14:16 ` [PATCH v2 0/4] dma-buf: document revoke mechanism to invalidate shared buffers Thomas Hellström
2026-01-19 7:52 ` Leon Romanovsky
2026-01-19 9:27 ` Thomas Hellström
2026-01-19 10:20 ` Leon Romanovsky
2026-01-19 10:20 ` Christian König
2026-01-19 10:53 ` Leon Romanovsky
2026-01-19 12:05 ` Christian König
2026-01-19 16:24 ` Jason Gunthorpe
2026-01-19 17:24 ` Thomas Hellström
2026-01-19 16:20 ` Jason Gunthorpe
2026-01-19 16:58 ` Jason Gunthorpe
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