linux-kernel - Re: [PATCH v2 03/13] rust: lock: introduce `Mutex`

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Message-ID: <CANiq72k0zkLO-zO=i_4Lu9P3tKo-dYDaJR--+KCP5jx=qL016Q@mail.gmail.com>
Date:   Thu, 6 Apr 2023 18:25:07 +0200
From:   Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
To:     Marco Elver <elver@...gle.com>
Cc:     David Laight <David.Laight@...lab.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Wedson Almeida Filho <wedsonaf@...il.com>,
        Greg KH <gregkh@...uxfoundation.org>,
        "rust-for-linux@...r.kernel.org" <rust-for-linux@...r.kernel.org>,
        Miguel Ojeda <ojeda@...nel.org>,
        Alex Gaynor <alex.gaynor@...il.com>,
        Boqun Feng <boqun.feng@...il.com>, Gary Guo <gary@...yguo.net>,
        Björn Roy Baron <bjorn3_gh@...tonmail.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Wedson Almeida Filho <walmeida@...rosoft.com>,
        Ingo Molnar <mingo@...hat.com>, Will Deacon <will@...nel.org>,
        Waiman Long <longman@...hat.com>
Subject: Re: [PATCH v2 03/13] rust: lock: introduce `Mutex`

On Thu, Apr 6, 2023 at 1:22 PM Marco Elver <elver@...gle.com> wrote:
>
> For macro to inline function conversions, the most conservative option
> would be __always_inline. We've also seen things go wrong with
> "inline" only paired with various kinds of instrumentation.
>
> Can bindgen deal with "static __always_inline" functions?

If you mean the new feature where `bindgen` generates wrappers
automatically, it seems to handle them given `__always_inline` =>
`inline` which is what I imagine it looks for (I assume it does not
care about the actual attribute), though I haven't tried to use the
feature within the kernel yet.

Cheers,
Miguel