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Date:   Fri, 8 Dec 2023 17:26:16 +0100
From:   Peter Zijlstra <peterz@infradead.org>
To:     Kent Overstreet <kent.overstreet@linux.dev>
Cc:     Christian Brauner <brauner@kernel.org>,
        Alice Ryhl <aliceryhl@google.com>,
        Miguel Ojeda <ojeda@kernel.org>,
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        Boqun Feng <boqun.feng@gmail.com>, Gary Guo <gary@garyguo.net>,
        =?iso-8859-1?Q?Bj=F6rn?= Roy Baron <bjorn3_gh@protonmail.com>,
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        Daniel Xu <dxu@dxuuu.xyz>, linux-kernel@vger.kernel.org,
        rust-for-linux@vger.kernel.org, linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH 5/7] rust: file: add `Kuid` wrapper
Message-ID: <20231208162616.GH28727@noisy.programming.kicks-ass.net>
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On Wed, Dec 06, 2023 at 02:59:11PM -0500, Kent Overstreet wrote:

> I suspect even if the manpower existed to go that route we'd end up
> regretting it, because then the Rust compiler would need to be able to
> handle _all_ the craziness a modern C compiler knows how to do -
> preprocessor magic/devilry isn't even the worst of it, it gets even
> worse when you start to consider things like bitfields and all the crazy
> __attributes__(()) people have invented.

Dude, clang can already handle all of that. Both rust and clang are
build on top of llvm, they generate the same IR, you can simply feed a
string into libclang and get IR out of it, which you can splice into
your rust generated IR.