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Date: Fri, 03 Jul 2026 21:37:53 +0200
Message-Id: <DJP6UGQMBAXD.1UHYDZXIF88ZD@kernel.org>
Subject: Re: [PATCH v2] rust: iommu: add device lifetime to IoPageTable
Cc: "Joerg Roedel (AMD)" <joro@8bytes.org>, "Will Deacon" <will@kernel.org>,
 "Robin Murphy" <robin.murphy@arm.com>, "Miguel Ojeda" <ojeda@kernel.org>,
 "Boqun Feng" <boqun@kernel.org>, "Gary Guo" <gary@garyguo.net>,
 =?utf-8?q?Bj=C3=B6rn_Roy_Baron?= <bjorn3_gh@protonmail.com>, "Benno Lossin"
 <lossin@kernel.org>, "Andreas Hindborg" <a.hindborg@kernel.org>, "Alice
 Ryhl" <aliceryhl@google.com>, "Trevor Gross" <tmgross@umich.edu>,
 <iommu@lists.linux.dev>, <rust-for-linux@vger.kernel.org>,
 <linux-kernel@vger.kernel.org>, <laura.nao@collabora.com>,
 <boris.brezillon@collabora.com>, <daniel.almeida@collabora.com>,
 <samitolvanen@google.com>
To: "Deborah Brouwer" <deborah.brouwer@collabora.com>
From: "Danilo Krummrich" <dakr@kernel.org>
References: <20260703-pgtable_lt_b4-v2-1-f14da6d4106d@collabora.com>
In-Reply-To: <20260703-pgtable_lt_b4-v2-1-f14da6d4106d@collabora.com>

On Fri Jul 3, 2026 at 8:52 PM CEST, Deborah Brouwer wrote:
> +impl<'bound, F: IoPageTableFmt> IoPageTable<'bound, F> {

We settled on the convention to only call a lifetime 'bound when it actuall=
y
described the entire bound scope. This might be shorter lived, so maybe jus=
t 'a.

> +    // TODO: Provide the option to return `IoPageTable` as a device reso=
urce
> +    // when DevresLt is available.

I'd drop this comment, we only really need it once there's a justified use-=
case,
or do you have something in mind already?