From: Waiman Long <waiman.long@hp.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@kernel.org>,
arnd@arndb.de, linux-arch@vger.kernel.org, x86@kernel.org,
linux-kernel@vger.kernel.org, rostedt@goodmis.org,
akpm@linux-foundation.org, walken@google.com,
andi@firstfloor.org, riel@redhat.com, paulmck@linux.vnet.ibm.com,
torvalds@linux-foundation.org, oleg@redhat.com
Subject: Re: [RFC][PATCH 0/7] locking: qspinlock
Date: Wed, 12 Mar 2014 15:00:48 -0400 [thread overview]
Message-ID: <5320AEE0.7070600@hp.com> (raw)
In-Reply-To: <20140312062436.GI30956@twins.programming.kicks-ass.net>
On 03/12/2014 02:24 AM, Peter Zijlstra wrote:
> On Tue, Mar 11, 2014 at 11:17:46PM -0400, Waiman Long wrote:
>> Except that I do a single atomic short integer write to switch the bits
>> instead of 2 byte write.
> D'0h why didn't I think of that. A single short write is much better
> than the 2 byte writes.
>
> In any case; can you try and keep the structure in this patch-set if you
> post another version? It takes a lot of effort to unravel your
> all-in-one patch.
I didn't have time to fully review and test your changes yet. So I just
post a new series of what I currently have right now. I will certainly
do the testing on your patches.
-Longman
next prev parent reply other threads:[~2014-03-12 19:01 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-10 15:42 [RFC][PATCH 0/7] locking: qspinlock Peter Zijlstra
2014-03-10 15:42 ` [RFC][PATCH 1/7] qspinlock: Introducing a 4-byte queue spinlock implementation Peter Zijlstra
2014-03-13 13:07 ` Peter Zijlstra
2014-03-10 15:42 ` [RFC][PATCH 2/7] qspinlock, x86: Enable x86 to use queue spinlock Peter Zijlstra
2014-03-10 15:42 ` [RFC][PATCH 3/7] qspinlock: Add pending bit Peter Zijlstra
2014-03-10 15:42 ` [RFC][PATCH 4/7] x86: Add atomic_test_and_set_bit() Peter Zijlstra
2014-03-10 15:42 ` [RFC][PATCH 5/7] qspinlock: Optimize the pending case Peter Zijlstra
2014-03-10 15:42 ` [RFC][PATCH 6/7] qspinlock: Optimize xchg_tail Peter Zijlstra
2014-03-10 15:42 ` [RFC][PATCH 7/7] qspinlock: Optimize for smaller NR_CPUS Peter Zijlstra
2014-03-11 10:45 ` [RFC][PATCH 0/7] locking: qspinlock Ingo Molnar
2014-03-11 11:02 ` Peter Zijlstra
2014-03-11 11:04 ` Ingo Molnar
2014-03-12 3:17 ` Waiman Long
2014-03-12 6:24 ` Peter Zijlstra
2014-03-12 15:32 ` Peter Zijlstra
2014-03-12 19:00 ` Waiman Long [this message]
2014-03-12 2:31 ` Dave Chinner
2014-03-12 3:11 ` Steven Rostedt
2014-03-12 4:26 ` Dave Chinner
2014-03-12 10:07 ` Steven Rostedt
2014-03-12 15:57 ` Peter Zijlstra
2014-03-12 16:06 ` Linus Torvalds
2014-03-12 16:19 ` Steven Rostedt
2014-03-12 16:23 ` Peter Zijlstra
2014-03-12 6:15 ` Peter Zijlstra
2014-03-12 23:48 ` Dave Chinner
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=5320AEE0.7070600@hp.com \
--to=waiman.long@hp.com \
--cc=akpm@linux-foundation.org \
--cc=andi@firstfloor.org \
--cc=arnd@arndb.de \
--cc=linux-arch@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@kernel.org \
--cc=oleg@redhat.com \
--cc=paulmck@linux.vnet.ibm.com \
--cc=peterz@infradead.org \
--cc=riel@redhat.com \
--cc=rostedt@goodmis.org \
--cc=torvalds@linux-foundation.org \
--cc=walken@google.com \
--cc=x86@kernel.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 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.