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From: "Alexandre Courbot" <acourbot@nvidia.com>
To: "Gary Guo" <gary@garyguo.net>
Cc: "Alice Ryhl" <aliceryhl@google.com>,
	"Daniel Almeida" <daniel.almeida@collabora.com>,
	"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
	"Rafael J. Wysocki" <rafael@kernel.org>,
	"Miguel Ojeda" <ojeda@kernel.org>,
	"Boqun Feng" <boqun@kernel.org>,
	"Björn Roy Baron" <bjorn3_gh@protonmail.com>,
	"Benno Lossin" <lossin@kernel.org>,
	"Andreas Hindborg" <a.hindborg@kernel.org>,
	"Trevor Gross" <tmgross@umich.edu>,
	"Tamir Duberstein" <tamird@kernel.org>,
	"Onur Özkan" <work@onurozkan.dev>,
	"Bjorn Helgaas" <bhelgaas@google.com>,
	"Krzysztof Wilczyński" <kwilczynski@kernel.org>,
	"Abdiel Janulgue" <abdiel.janulgue@gmail.com>,
	"Robin Murphy" <robin.murphy@arm.com>,
	"David Airlie" <airlied@gmail.com>,
	"Simona Vetter" <simona@ffwll.ch>,
	"Michal Wilczynski" <m.wilczynski@samsung.com>,
	"Uwe Kleine-König" <ukleinek@kernel.org>,
	"Danilo Krummrich" <dakr@kernel.org>,
	driver-core@lists.linux.dev, rust-for-linux@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org,
	nova-gpu@lists.linux.dev, dri-devel@lists.freedesktop.org,
	linux-pwm@vger.kernel.org
Subject: Re: [PATCH v5 17/20] gpu: nova-core: use I/O projection for cleaner encapsulation
Date: Fri, 03 Jul 2026 23:46:14 +0900	[thread overview]
Message-ID: <DJP0N5VGKR7L.2EFP81KLCP9UK@nvidia.com> (raw)
In-Reply-To: <20260626-io_projection-v5-17-d0961471ae50@garyguo.net>

On Fri Jun 26, 2026 at 11:45 PM JST, Gary Guo wrote:
> Use `io_project!` for PTE array and message queues to restore the proper
> encapsulation.
>
> The remaining `dma_read!` and `dma_write!` is now only acting on
> primitives; thus replace by `io_read!` and `io_write!`.
>
> Signed-off-by: Gary Guo <gary@garyguo.net>

This is beautiful. :_)

Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>

(the memory barrier concern raised by Sashiko looks real - and IIUC was
already discussed before - but not introduced by this series so let's
address that separately)

  reply	other threads:[~2026-07-03 14:46 UTC|newest]

Thread overview: 47+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-06-26 14:45 [PATCH v5 00/20] rust: I/O type generalization and projection Gary Guo
2026-06-26 14:45 ` [PATCH v5 01/20] rust: io: add dynamically-sized `Region` type Gary Guo
2026-07-03  3:16   ` Alexandre Courbot
2026-07-03 12:38     ` Gary Guo
2026-06-26 14:45 ` [PATCH v5 02/20] rust: io: add missing safety requirement in `IoCapable` methods Gary Guo
2026-07-03  2:57   ` Alexandre Courbot
2026-07-03 12:35     ` Gary Guo
2026-07-03 13:09       ` Alexandre Courbot
2026-07-03 13:49         ` Gary Guo
2026-06-26 14:45 ` [PATCH v5 03/20] rust: io: restrict untyped IO access and `register!` to `Region` Gary Guo
2026-06-26 14:45 ` [PATCH v5 04/20] rust: io: implement `Io` on reference types instead Gary Guo
2026-06-26 14:45 ` [PATCH v5 05/20] rust: io: generalize `MmioRaw` to pointer to arbitrary type Gary Guo
2026-06-26 14:45 ` [PATCH v5 06/20] rust: io: rename `Mmio` to `MmioOwned` Gary Guo
2026-06-26 14:45 ` [PATCH v5 07/20] rust: io: implement `Mmio` as view type Gary Guo
2026-07-03  3:30   ` Alexandre Courbot
2026-06-26 14:45 ` [PATCH v5 08/20] rust: pci: io: make `ConfigSpace` a view Gary Guo
2026-06-26 14:45 ` [PATCH v5 09/20] rust: io: use view types instead of addresses for `Io` Gary Guo
2026-07-03  5:03   ` Alexandre Courbot
2026-06-26 14:45 ` [PATCH v5 10/20] pwm: th1520: remove unnecessary `deref` Gary Guo
2026-07-03  5:04   ` Alexandre Courbot
2026-06-26 14:45 ` [PATCH v5 11/20] rust: io: remove `MmioOwned` Gary Guo
2026-07-03  5:58   ` Alexandre Courbot
2026-06-26 14:45 ` [PATCH v5 12/20] rust: io: move `Io` methods to extension trait Gary Guo
2026-07-03  6:19   ` Alexandre Courbot
2026-07-03 12:43     ` Gary Guo
2026-06-26 14:45 ` [PATCH v5 13/20] rust: io: add projection macro and methods Gary Guo
2026-07-03  6:39   ` Alexandre Courbot
2026-06-26 14:45 ` [PATCH v5 14/20] rust: io: add I/O backend for system memory with volatile access Gary Guo
2026-07-03 11:37   ` Alexandre Courbot
2026-06-26 14:45 ` [PATCH v5 15/20] rust: io: implement a view type for `Coherent` Gary Guo
2026-07-03 13:14   ` Alexandre Courbot
2026-07-03 13:50     ` Gary Guo
2026-07-03 14:39       ` Alexandre Courbot
2026-07-03 14:44         ` Gary Guo
2026-06-26 14:45 ` [PATCH v5 16/20] rust: io: add `read_val` and `write_val` functions on `Io` Gary Guo
2026-07-03 14:43   ` Alexandre Courbot
2026-06-26 14:45 ` [PATCH v5 17/20] gpu: nova-core: use I/O projection for cleaner encapsulation Gary Guo
2026-07-03 14:46   ` Alexandre Courbot [this message]
2026-07-03 15:13     ` Gary Guo
2026-06-26 14:45 ` [PATCH v5 18/20] rust: dma: drop `dma_read!` and `dma_write!` API Gary Guo
2026-07-03 14:47   ` Alexandre Courbot
2026-06-26 14:45 ` [PATCH v5 19/20] rust: io: add copying methods Gary Guo
2026-06-26 14:45 ` [PATCH v5 20/20] rust: io: implement `IoSysMap` Gary Guo
2026-06-28 23:37 ` [PATCH v5 00/20] rust: I/O type generalization and projection Danilo Krummrich
2026-06-29 14:15   ` Gary Guo
2026-06-30 13:02     ` Miguel Ojeda
2026-06-30 13:07       ` Gary Guo

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