From: Arun Sharma <asharma@fb.com>
To: Mike Frysinger <vapier.adi@gmail.com>
Cc: linux-kernel@vger.kernel.org, Ingo Molnar <mingo@elte.hu>,
David Miller <davem@davemloft.net>, Andrew Morton <akpm@osdl.org>,
Eric Dumazet <eric.dumazet@gmail.com>
Subject: Re: [PATCH 2/2] atomic: move atomic_add_unless to generic code
Date: Tue, 31 May 2011 14:17:29 -0700 [thread overview]
Message-ID: <4DE55AE9.90505@fb.com> (raw)
In-Reply-To: <BANLkTi=Tg=t5LrnvR2Sn08K0Ktm8ZKNCCA@mail.gmail.com>
On 5/31/11 1:21 PM, Mike Frysinger wrote:
> On Tue, May 31, 2011 at 15:10, Arun Sharma wrote:
>> This is in preparation for more generic atomic
>> primitives based on __atomic_add_unless.
>
> i think you might have to have those primitives in place before this
> patch makes sense. the only thing this does is hoist a single
> comparison out of arch atomic.h's and into linux/atomic.h. this
> savings alone looks simply like over engineering to me.
Some of the context is buried in the lkml-reference. The main motivation
for the patch is commit 686a7e3.
The idea is to move atomic_add_unless_return() into linux/atomic.h
-Arun
next prev parent reply other threads:[~2011-05-31 21:17 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-31 19:10 [PATCH 1/2] atomic: use <linux/atomic.h> Arun Sharma
2011-05-31 19:10 ` [PATCH 2/2] atomic: move atomic_add_unless to generic code Arun Sharma
2011-05-31 20:21 ` Mike Frysinger
2011-05-31 21:17 ` Arun Sharma [this message]
2011-06-02 14:53 ` Mike Frysinger
2011-06-02 17:23 ` Arun Sharma
2011-06-07 23:48 ` Andrew Morton
2011-06-08 0:42 ` Arun Sharma
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=4DE55AE9.90505@fb.com \
--to=asharma@fb.com \
--cc=akpm@osdl.org \
--cc=davem@davemloft.net \
--cc=eric.dumazet@gmail.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@elte.hu \
--cc=vapier.adi@gmail.com \
/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.