From: "Alexandre Courbot" <acourbot@nvidia.com>
To: "Danilo Krummrich" <dakr@kernel.org>
Cc: <gregkh@linuxfoundation.org>, <rafael@kernel.org>,
<aliceryhl@google.com>, <david.m.ertman@intel.com>,
<ira.weiny@intel.com>, <leon@kernel.org>,
<viresh.kumar@linaro.org>, <m.wilczynski@samsung.com>,
<ukleinek@kernel.org>, <bhelgaas@google.com>,
<kwilczynski@kernel.org>, <abdiel.janulgue@gmail.com>,
<robin.murphy@arm.com>, <markus.probst@posteo.de>,
<ojeda@kernel.org>, <boqun@kernel.org>, <gary@garyguo.net>,
<bjorn3_gh@protonmail.com>, <lossin@kernel.org>,
<a.hindborg@kernel.org>, <tmgross@umich.edu>,
<igor.korotin@linux.dev>, <daniel.almeida@collabora.com>,
<pcolberg@redhat.com>, <driver-core@lists.linux.dev>,
<linux-kernel@vger.kernel.org>, <nova-gpu@lists.linux.dev>,
<dri-devel@lists.freedesktop.org>, <linux-pm@vger.kernel.org>,
<linux-pwm@vger.kernel.org>, <linux-pci@vger.kernel.org>,
<rust-for-linux@vger.kernel.org>,
"Eliot Courtney" <ecourtney@nvidia.com>
Subject: Re: [PATCH v4 18/27] rust: io: make IoMem and ExclusiveIoMem lifetime-parameterized
Date: Mon, 25 May 2026 22:10:11 +0900 [thread overview]
Message-ID: <DIRS6DR84QEG.2NF6652JTFYAS@nvidia.com> (raw)
In-Reply-To: <20260521233501.1191842-19-dakr@kernel.org>
On Fri May 22, 2026 at 8:34 AM JST, Danilo Krummrich wrote:
> Add a lifetime parameter to IoMem<'a, SIZE> and ExclusiveIoMem<'a,
> SIZE>, storing a &'a Device<Bound> reference to tie the mapping to the
> device's lifetime.
>
> This mirrors the pci::Bar<'a, SIZE> design and enables drivers to hold
> I/O memory mappings directly in their HRT private data, tied to the
> device lifetime.
>
> IoRequest::iomap_* methods now return the mapping directly instead of
> wrapping it in Devres. Callers that need device-managed revocation can
> call the new into_devres() method.
>
> Acked-by: Uwe Kleine-König <ukleinek@kernel.org>
> Reviewed-by: Eliot Courtney <ecourtney@nvidia.com>
> Signed-off-by: Danilo Krummrich <dakr@kernel.org>
Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>
next prev parent reply other threads:[~2026-05-25 13:10 UTC|newest]
Thread overview: 63+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-21 23:34 [PATCH v4 00/27] rust: device: Higher-Ranked Lifetime Types for device drivers Danilo Krummrich
2026-05-21 23:34 ` [PATCH v4 01/27] rust: alloc: remove `'static` bound on `ForeignOwnable` Danilo Krummrich
2026-05-22 0:13 ` sashiko-bot
2026-05-21 23:34 ` [PATCH v4 02/27] rust: driver: move 'static bounds to constructor Danilo Krummrich
2026-05-21 23:34 ` [PATCH v4 03/27] rust: driver: decouple driver private data from driver type Danilo Krummrich
2026-05-21 23:56 ` sashiko-bot
2026-05-21 23:34 ` [PATCH v4 04/27] rust: driver core: drop drvdata before devres release Danilo Krummrich
2026-05-22 0:10 ` sashiko-bot
2026-05-21 23:34 ` [PATCH v4 05/27] rust: pci: implement Sync for Device<Bound> Danilo Krummrich
2026-05-21 23:34 ` [PATCH v4 06/27] rust: platform: " Danilo Krummrich
2026-05-21 23:34 ` [PATCH v4 07/27] rust: auxiliary: " Danilo Krummrich
2026-05-21 23:34 ` [PATCH v4 08/27] rust: usb: " Danilo Krummrich
2026-05-22 0:16 ` sashiko-bot
2026-05-21 23:34 ` [PATCH v4 09/27] rust: device: " Danilo Krummrich
2026-05-21 23:34 ` [PATCH v4 10/27] rust: device: make Core and CoreInternal lifetime-parameterized Danilo Krummrich
2026-05-25 4:21 ` Eliot Courtney
2026-05-25 11:02 ` Alexandre Courbot
2026-05-21 23:34 ` [PATCH v4 11/27] rust: pci: make Driver trait lifetime-parameterized Danilo Krummrich
2026-05-22 0:14 ` sashiko-bot
2026-05-21 23:34 ` [PATCH v4 12/27] rust: platform: " Danilo Krummrich
2026-05-21 23:34 ` [PATCH v4 13/27] rust: auxiliary: " Danilo Krummrich
2026-05-21 23:34 ` [PATCH v4 14/27] rust: usb: " Danilo Krummrich
2026-05-22 0:23 ` sashiko-bot
2026-05-25 4:31 ` Eliot Courtney
2026-05-21 23:34 ` [PATCH v4 15/27] rust: i2c: " Danilo Krummrich
2026-05-21 23:34 ` [PATCH v4 16/27] rust: driver: update module documentation for GAT-based Data type Danilo Krummrich
2026-05-21 23:34 ` [PATCH v4 17/27] rust: pci: make Bar lifetime-parameterized Danilo Krummrich
2026-05-22 0:49 ` sashiko-bot
2026-05-25 4:37 ` Eliot Courtney
2026-05-25 11:40 ` Gary Guo
2026-05-25 12:05 ` Danilo Krummrich
2026-05-25 11:10 ` Alexandre Courbot
2026-05-25 11:12 ` Alexandre Courbot
2026-05-21 23:34 ` [PATCH v4 18/27] rust: io: make IoMem and ExclusiveIoMem lifetime-parameterized Danilo Krummrich
2026-05-22 0:45 ` sashiko-bot
2026-05-25 13:10 ` Alexandre Courbot [this message]
2026-05-21 23:34 ` [PATCH v4 19/27] samples: rust: rust_driver_pci: use HRT lifetime for Bar Danilo Krummrich
2026-05-22 1:27 ` sashiko-bot
2026-05-25 13:55 ` Alexandre Courbot
2026-05-21 23:34 ` [PATCH v4 20/27] gpu: nova-core: separate driver type from driver data Danilo Krummrich
2026-05-25 4:40 ` Eliot Courtney
2026-05-25 14:11 ` Alexandre Courbot
2026-05-21 23:34 ` [PATCH v4 21/27] rust: types: add `ForLt` trait for higher-ranked lifetime support Danilo Krummrich
2026-05-22 0:31 ` sashiko-bot
2026-05-23 15:46 ` Danilo Krummrich
2026-05-25 12:31 ` Eliot Courtney
2026-05-21 23:34 ` [PATCH v4 22/27] rust: auxiliary: generalize Registration over ForLt Danilo Krummrich
2026-05-22 0:49 ` sashiko-bot
2026-05-25 6:03 ` Eliot Courtney
2026-05-25 14:42 ` Alexandre Courbot
2026-05-21 23:34 ` [PATCH v4 23/27] samples: rust: rust_driver_auxiliary: showcase lifetime-bound registration data Danilo Krummrich
2026-05-25 14:48 ` Alexandre Courbot
2026-05-21 23:34 ` [PATCH REF v4 24/27] gpu: nova-core: use lifetime for Bar Danilo Krummrich
2026-05-22 1:28 ` sashiko-bot
2026-05-26 2:10 ` Alexandre Courbot
2026-05-26 5:48 ` Alexandre Courbot
2026-05-21 23:34 ` [PATCH REF v4 25/27] gpu: nova-core: unregister sysmem flush page from Drop Danilo Krummrich
2026-05-22 0:47 ` sashiko-bot
2026-05-21 23:34 ` [PATCH REF v4 26/27] gpu: nova-core: replace ARef<Device> with &'bound Device in SysmemFlush Danilo Krummrich
2026-05-22 0:46 ` sashiko-bot
2026-05-21 23:34 ` [PATCH REF v4 27/27] gpu: drm: tyr: use lifetime for IoMem Danilo Krummrich
2026-05-22 0:42 ` sashiko-bot
2026-05-22 10:14 ` [PATCH v4 00/27] rust: device: Higher-Ranked Lifetime Types for device drivers Greg KH
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