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From: "Alexandre Courbot" <acourbot@nvidia.com>
To: "Alexandre Courbot" <acourbot@nvidia.com>,
	"Alice Ryhl" <aliceryhl@google.com>,
	"David Airlie" <airlied@gmail.com>,
	"Simona Vetter" <simona@ffwll.ch>,
	"Miguel Ojeda" <ojeda@kernel.org>,
	"Alex Gaynor" <alex.gaynor@gmail.com>,
	"Boqun Feng" <boqun.feng@gmail.com>,
	"Gary Guo" <gary@garyguo.net>,
	"Björn Roy Baron" <bjorn3_gh@protonmail.com>,
	"Benno Lossin" <lossin@kernel.org>,
	"Andreas Hindborg" <a.hindborg@kernel.org>,
	"Trevor Gross" <tmgross@umich.edu>
Cc: "John Hubbard" <jhubbard@nvidia.com>,
	"Alistair Popple" <apopple@nvidia.com>,
	"Joel Fernandes" <joelagnelf@nvidia.com>,
	"Timur Tabi" <ttabi@nvidia.com>, "Edwin Peer" <epeer@nvidia.com>,
	<nouveau@lists.freedesktop.org>,
	<dri-devel@lists.freedesktop.org>, <linux-kernel@vger.kernel.org>,
	<rust-for-linux@vger.kernel.org>,
	"Danilo Krummrich" <dakr@kernel.org>,
	"Nouveau" <nouveau-bounces@lists.freedesktop.org>
Subject: Re: [PATCH v3 1/6] gpu: nova-core: replace `as` with `from` conversions where possible
Date: Wed, 29 Oct 2025 08:31:41 +0900	[thread overview]
Message-ID: <DDUCIDB7E861.3FJ7OM506MTJ6@nvidia.com> (raw)
In-Reply-To: <20251029-nova-as-v3-1-6a30c7333ad9@nvidia.com>

On Wed Oct 29, 2025 at 8:12 AM JST, Alexandre Courbot wrote:
> The `as` operator is best avoided as it silently drops bits if the
> destination type is smaller that the source.
>
> For data types where this is clearly not the case, use `from` to
> unambiguously signal that these conversions are lossless.
>
> Acked-by: Danilo Krummrich <dakr@kernel.org>
> Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>

Unless someeone screams, I will probably merge this one patch today - it
doesn't do anything controversial and is required for another series.
Reviews welcome still.

  reply	other threads:[~2025-10-28 23:31 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-10-28 23:12 [PATCH v3 0/6] gpu: nova-core: remove use of `as` for integer conversions Alexandre Courbot
2025-10-28 23:12 ` [PATCH v3 1/6] gpu: nova-core: replace `as` with `from` conversions where possible Alexandre Courbot
2025-10-28 23:31   ` Alexandre Courbot [this message]
2025-10-28 23:12 ` [PATCH v3 2/6] gpu: nova-core: vbios: do not use `as` when comparing BiosImageType Alexandre Courbot
2025-11-03 20:31   ` Joel Fernandes
2025-11-04 13:34     ` Alexandre Courbot
2025-10-28 23:12 ` [PATCH v3 3/6] gpu: nova-core: use `try_from` instead of `as` for u32 conversions Alexandre Courbot
2025-10-28 23:12 ` [PATCH v3 4/6] gpu: nova-core: add functions and traits for lossless integer conversions Alexandre Courbot
2025-10-28 23:12 ` [PATCH v3 5/6] gpu: nova-core: replace use of `as` with functions from `num` Alexandre Courbot
2025-10-28 23:12 ` [PATCH v3 6/6] gpu: nova-core: justify remaining uses of `as` Alexandre Courbot
2025-11-07 23:30 ` [PATCH v3 0/6] gpu: nova-core: remove use of `as` for integer conversions Alexandre Courbot

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