From: Mitchell Levy <levymitchell0@gmail.com>
To: "Christoph Lameter (Ampere)" <cl@gentwo.org>
Cc: "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>,
"Andreas Hindborg" <a.hindborg@kernel.org>,
"Alice Ryhl" <aliceryhl@google.com>,
"Trevor Gross" <tmgross@umich.edu>,
"Andrew Morton" <akpm@linux-foundation.org>,
"Dennis Zhou" <dennis@kernel.org>, "Tejun Heo" <tj@kernel.org>,
"Danilo Krummrich" <dakr@kernel.org>,
"Benno Lossin" <lossin@kernel.org>,
linux-kernel@vger.kernel.org, rust-for-linux@vger.kernel.org,
linux-mm@kvack.org
Subject: Re: [PATCH 4/5] rust: percpu: Add pin-hole optimizations for numerics
Date: Thu, 26 Jun 2025 11:55:56 -0700 [thread overview]
Message-ID: <685d97bc.050a0220.3c0bff.7a70@mx.google.com> (raw)
In-Reply-To: <d938ed3a-cb00-0a71-2380-dac7d1a9e039@gentwo.org>
On Wed, Jun 25, 2025 at 10:23:42AM -0700, Christoph Lameter (Ampere) wrote:
> On Tue, 24 Jun 2025, Mitchell Levy wrote:
>
> > + concat!("add gs:[{off}], {val:", $reg, "}"),
>
> > + concat!("sub gs:[{off}], {val:", $reg, "}"),
>
> > + concat!("sub gs:[{off}], {val}"),
>
> Where are the other RMV instructions like this_cpu_xchg and
> this_cpu_cmpxchg, this_cpu_cmpxchg_double etc?
I wanted to stick with (what I saw as) the most basic operations for the
first submission. That said, I tried to design things such that adding
more operations should be straightforward. Happy to build on this
further for a v2 if folks are interested in that.
next prev parent reply other threads:[~2025-06-26 18:55 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-24 22:10 [PATCH 0/5] rust: Add Per-CPU Variable API Mitchell Levy
2025-06-24 22:10 ` [PATCH 1/5] rust: percpu: introduce a rust API for per-CPU variables Mitchell Levy
2025-06-26 14:05 ` kernel test robot
2025-06-24 22:10 ` [PATCH 2/5] rust: rust-analyzer: add lib to dirs searched for crates Mitchell Levy
2025-06-24 22:10 ` [PATCH 3/5] rust: percpu: add a rust per-CPU variable test Mitchell Levy
2025-06-24 22:10 ` [PATCH 4/5] rust: percpu: Add pin-hole optimizations for numerics Mitchell Levy
2025-06-25 17:21 ` Christoph Lameter (Ampere)
2025-06-26 18:50 ` Mitchell Levy
2025-06-25 17:23 ` Christoph Lameter (Ampere)
2025-06-26 18:55 ` Mitchell Levy [this message]
2025-06-24 22:10 ` [PATCH 5/5] rust: percpu: cache per-CPU pointers in the dynamic case Mitchell Levy
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=685d97bc.050a0220.3c0bff.7a70@mx.google.com \
--to=levymitchell0@gmail.com \
--cc=a.hindborg@kernel.org \
--cc=akpm@linux-foundation.org \
--cc=alex.gaynor@gmail.com \
--cc=aliceryhl@google.com \
--cc=bjorn3_gh@protonmail.com \
--cc=boqun.feng@gmail.com \
--cc=cl@gentwo.org \
--cc=dakr@kernel.org \
--cc=dennis@kernel.org \
--cc=gary@garyguo.net \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=lossin@kernel.org \
--cc=ojeda@kernel.org \
--cc=rust-for-linux@vger.kernel.org \
--cc=tj@kernel.org \
--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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.