linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Kees Cook <keescook@chromium.org>
To: Luis Chamberlain <mcgrof@kernel.org>
Cc: cl@linux.com, akpm@linux-foundation.org, arnd@arndb.de,
	willy@infradead.org, aquini@redhat.com, linux-mm@kvack.org,
	linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] mm: expand documentation over __read_mostly
Date: Thu, 7 May 2020 10:52:22 -0700	[thread overview]
Message-ID: <202005071052.1522C624@keescook> (raw)
In-Reply-To: <20200507161424.2584-1-mcgrof@kernel.org>

On Thu, May 07, 2020 at 04:14:24PM +0000, Luis Chamberlain wrote:
> __read_mostly can easily be misused by folks, its not meant for
> just read-only data. There are performance reasons for using it, but
> we also don't provide any guidance about its use. Provide a bit more
> guidance over its use.
> 
> Acked-by: Christoph Lameter <cl@linux.com>
> Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>

Reviewed-by: Kees Cook <keescook@chromium.org>

-- 
Kees Cook

  reply	other threads:[~2020-05-07 17:52 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-07 16:14 [PATCH v2] mm: expand documentation over __read_mostly Luis Chamberlain
2020-05-07 17:52 ` Kees Cook [this message]
2020-05-07 18:04 ` Rafael Aquini

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=202005071052.1522C624@keescook \
    --to=keescook@chromium.org \
    --cc=akpm@linux-foundation.org \
    --cc=aquini@redhat.com \
    --cc=arnd@arndb.de \
    --cc=cl@linux.com \
    --cc=linux-arch@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mm@kvack.org \
    --cc=mcgrof@kernel.org \
    --cc=willy@infradead.org \
    /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;
as well as URLs for NNTP newsgroup(s).