linux-kernel - Re: [PATCH] powerpc: Enable Rust for ppc64le

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Message-ID: <aYOIG0HSunq6-Vii@li-1a3e774c-28e4-11b2-a85c-acc9f2883e29.ibm.com>
Date: Wed, 4 Feb 2026 23:26:48 +0530
From: Mukesh Kumar Chaurasiya <mkchauras@...il.com>
To: Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
Cc: maddy@...ux.ibm.com, mpe@...erman.id.au, npiggin@...il.com, 
	chleroy@...nel.org, peterz@...radead.org, jpoimboe@...nel.org, jbaron@...mai.com, 
	rostedt@...dmis.org, ardb@...nel.org, ojeda@...nel.org, boqun.feng@...il.com, 
	gary@...yguo.net, bjorn3_gh@...tonmail.com, lossin@...nel.org, 
	a.hindborg@...nel.org, aliceryhl@...gle.com, tmgross@...ch.edu, dakr@...nel.org, 
	nathan@...nel.org, nick.desaulniers+lkml@...il.com, morbo@...gle.com, 
	justinstitt@...gle.com, linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org, 
	rust-for-linux@...r.kernel.org, llvm@...ts.linux.dev
Subject: Re: [PATCH] powerpc: Enable Rust for ppc64le

On Wed, Feb 04, 2026 at 06:49:23PM +0100, Miguel Ojeda wrote:
> On Wed, Feb 4, 2026 at 6:54 AM Mukesh Kumar Chaurasiya (IBM)
> <mkchauras@...il.com> wrote:
> >
> > +    } else if cfg.has("PPC64") {
> 
> Can this be done via flags, i.e. avoiding the `target.json`?
> 
yeah sure. I'll do that.
> We are trying to avoid adding new custom targets, since the idea is to
> remove our reliance on `target.json`.
> 
> If it is not possible to do it via flags only, then we should talk to
> upstream to add the needed flags or perhaps a new built-in target.
> 
> Thanks!
> 
> (By the way, Michael back in 2021 did the original integration of
> ppc64le before Rust was merged into mainline -- he may want to take a
> look at this :) I see he is in Cc).
> 
> Cheers,
> Miguel