public inbox for linux-fsdevel@vger.kernel.org
 help / color / mirror / Atom feed
From: David Howells <dhowells@redhat.com>
To: Zilin Guan <zilin@seu.edu.cn>
Cc: dhowells@redhat.com, mjguzik@gmail.com, jlayton@kernel.org,
	linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
	netfs@lists.linux.dev, xujianhao01@gmail.com
Subject: Re: [QUESTION] inconsistent use of smp_mb()
Date: Fri, 06 Dec 2024 10:51:14 +0000	[thread overview]
Message-ID: <1977686.1733482274@warthog.procyon.org.uk> (raw)
In-Reply-To: <20241206071315.2958512-1-zilin@seu.edu.cn>

Zilin Guan <zilin@seu.edu.cn> wrote:

> Since the code does not need the fence, should I send a patch to 
> remove it? Commit 2df8654 introduced this fence during the transition 
> to a new writeback implementation. However, the author added this fence 
> as part of the changes and did not intend to address a specific CPU 
> reordering issue.

Sure.

Thanks,
David


      reply	other threads:[~2024-12-06 10:51 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-12-04  6:48 [QUESTION] inconsistent use of smp_mb() Zilin Guan
2024-12-04  8:27 ` Mateusz Guzik
2024-12-06  7:13   ` Zilin Guan
2024-12-06 10:51     ` David Howells [this message]

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=1977686.1733482274@warthog.procyon.org.uk \
    --to=dhowells@redhat.com \
    --cc=jlayton@kernel.org \
    --cc=linux-fsdevel@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mjguzik@gmail.com \
    --cc=netfs@lists.linux.dev \
    --cc=xujianhao01@gmail.com \
    --cc=zilin@seu.edu.cn \
    /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