public inbox for rust-for-linux@vger.kernel.org
 help / color / mirror / Atom feed
From: Peter Zijlstra <peterz@infradead.org>
To: Alice Ryhl <aliceryhl@google.com>
Cc: "Gary Guo" <gary@garyguo.net>,
	"Link Mauve" <linkmauve@linkmauve.fr>,
	rust-for-linux@vger.kernel.org, "Miguel Ojeda" <ojeda@kernel.org>,
	"Boqun Feng" <boqun@kernel.org>,
	"Björn Roy Baron" <bjorn3_gh@protonmail.com>,
	"Benno Lossin" <lossin@kernel.org>,
	"Andreas Hindborg" <a.hindborg@kernel.org>,
	"Trevor Gross" <tmgross@umich.edu>,
	"Danilo Krummrich" <dakr@kernel.org>,
	"Jonathan Corbet" <corbet@lwn.net>,
	"Madhavan Srinivasan" <maddy@linux.ibm.com>,
	"Michael Ellerman" <mpe@ellerman.id.au>,
	"Nicholas Piggin" <npiggin@gmail.com>,
	"Christophe Leroy (CS GROUP)" <chleroy@kernel.org>,
	"Josh Poimboeuf" <jpoimboe@kernel.org>,
	"Jason Baron" <jbaron@akamai.com>,
	"Steven Rostedt" <rostedt@goodmis.org>,
	"Ard Biesheuvel" <ardb@kernel.org>,
	"Nathan Chancellor" <nathan@kernel.org>,
	"Nick Desaulniers" <nick.desaulniers+lkml@gmail.com>,
	"Bill Wendling" <morbo@google.com>,
	"Justin Stitt" <justinstitt@google.com>,
	linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
	linuxppc-dev@lists.ozlabs.org, llvm@lists.linux.dev,
	officialTechflashYT@gmail.com, "Ash Logan" <ash@heyquark.com>,
	"Roberto Van Eeden" <rw-r-r-0644@protonmail.com>,
	"Jonathan Neuschäfer" <j.neuschaefer@gmx.net>
Subject: Re: [PATCH] rust: Add PowerPC support
Date: Wed, 4 Feb 2026 14:06:53 +0100	[thread overview]
Message-ID: <20260204130653.GH2995752@noisy.programming.kicks-ass.net> (raw)
In-Reply-To: <aYNBtc2Jbtg9sLIE@google.com>

On Wed, Feb 04, 2026 at 12:55:17PM +0000, Alice Ryhl wrote:

> Is there any reason to not make it Rust-only but for all Rust code?
> Making the / operator work seems like it would be a good idea.

Why would it be a good idea to have it work on non-native types in Rust?

The reason we don't have them in C is because non-native divisions are
expensive and doing them should be a conscious choice. The very same
argument should be true for Rust code too.

  reply	other threads:[~2026-02-04 13:07 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-02-04  3:05 [PATCH] rust: Add PowerPC support Link Mauve
2026-02-04 10:41 ` Alice Ryhl
2026-02-04 12:36   ` Gary Guo
2026-02-04 12:55     ` Alice Ryhl
2026-02-04 13:06       ` Peter Zijlstra [this message]
2026-02-04 13:36         ` Alice Ryhl
2026-02-04 17:19   ` Christophe Leroy (CS GROUP)
2026-02-04 17:33 ` Mukesh Kumar Chaurasiya
2026-02-04 19:42   ` Christophe Leroy (CS GROUP)

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20260204130653.GH2995752@noisy.programming.kicks-ass.net \
    --to=peterz@infradead.org \
    --cc=a.hindborg@kernel.org \
    --cc=aliceryhl@google.com \
    --cc=ardb@kernel.org \
    --cc=ash@heyquark.com \
    --cc=bjorn3_gh@protonmail.com \
    --cc=boqun@kernel.org \
    --cc=chleroy@kernel.org \
    --cc=corbet@lwn.net \
    --cc=dakr@kernel.org \
    --cc=gary@garyguo.net \
    --cc=j.neuschaefer@gmx.net \
    --cc=jbaron@akamai.com \
    --cc=jpoimboe@kernel.org \
    --cc=justinstitt@google.com \
    --cc=linkmauve@linkmauve.fr \
    --cc=linux-doc@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linuxppc-dev@lists.ozlabs.org \
    --cc=llvm@lists.linux.dev \
    --cc=lossin@kernel.org \
    --cc=maddy@linux.ibm.com \
    --cc=morbo@google.com \
    --cc=mpe@ellerman.id.au \
    --cc=nathan@kernel.org \
    --cc=nick.desaulniers+lkml@gmail.com \
    --cc=npiggin@gmail.com \
    --cc=officialTechflashYT@gmail.com \
    --cc=ojeda@kernel.org \
    --cc=rostedt@goodmis.org \
    --cc=rust-for-linux@vger.kernel.org \
    --cc=rw-r-r-0644@protonmail.com \
    --cc=tmgross@umich.edu \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox