From: Peter Zijlstra <peterz@infradead.org>
To: Tim Chen <tim.c.chen@linux.intel.com>
Cc: Ingo Molnar <mingo@elte.hu>,
Andrew Morton <akpm@linux-foundation.org>,
Andrea Arcangeli <aarcange@redhat.com>,
Alex Shi <alex.shi@linaro.org>, Andi Kleen <andi@firstfloor.org>,
Michel Lespinasse <walken@google.com>,
Davidlohr Bueso <davidlohr.bueso@hp.com>,
Matthew R Wilcox <matthew.r.wilcox@intel.com>,
Dave Hansen <dave.hansen@intel.com>,
Rik van Riel <riel@redhat.com>,
Peter Hurley <peter@hurleysoftware.com>,
linux-kernel@vger.kernel.org, linux-mm <linux-mm@kvack.org>
Subject: Re: [PATCH v5 5/6] MCS Lock: Restructure the MCS lock defines and locking code into its own file
Date: Wed, 25 Sep 2013 07:55:56 +0200 [thread overview]
Message-ID: <20130925055556.GA3081@twins.programming.kicks-ass.net> (raw)
In-Reply-To: <1380061366.3467.54.camel@schen9-DESK>
On Tue, Sep 24, 2013 at 03:22:46PM -0700, Tim Chen wrote:
> We will need the MCS lock code for doing optimistic spinning for rwsem.
> Extracting the MCS code from mutex.c and put into its own file allow us
> to reuse this code easily for rwsem.
>
> Signed-off-by: Tim Chen <tim.c.chen@linux.intel.com>
> Signed-off-by: Davidlohr Bueso <davidlohr@hp.com>
> ---
> kernel/mutex.c | 58 ++++++-------------------------------------------------
> 1 files changed, 7 insertions(+), 51 deletions(-)
Wasn't this patch supposed to add include/linux/mcslock.h ?
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2013-09-25 5:56 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <cover.1380057198.git.tim.c.chen@linux.intel.com>
2013-09-24 22:22 ` [PATCH v5 0/6] rwsem: performance optimizations Tim Chen
2013-09-25 3:32 ` Davidlohr Bueso
2013-09-24 22:22 ` [PATCH v5 1/6] rwsem: check the lock before cpmxchg in down_write_trylock Tim Chen
2013-09-24 23:22 ` Jason Low
2013-09-24 23:30 ` Tim Chen
2013-09-24 22:22 ` [PATCH v5 2/6] rwsem: remove 'out' label in do_wake Tim Chen
2013-09-24 22:22 ` [PATCH v5 3/6] rwsem: remove try_reader_grant label do_wake Tim Chen
2013-09-24 22:22 ` [PATCH v5 4/6] rwsem/wake: check lock before do atomic update Tim Chen
2013-09-24 22:22 ` [PATCH v5 5/6] MCS Lock: Restructure the MCS lock defines and locking code into its own file Tim Chen
2013-09-25 5:55 ` Peter Zijlstra [this message]
2013-09-25 15:58 ` Tim Chen
2013-09-24 22:22 ` [PATCH v5 6/6] rwsem: do optimistic spinning for writer lock acquisition Tim Chen
2013-09-25 6:52 ` Ingo Molnar
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=20130925055556.GA3081@twins.programming.kicks-ass.net \
--to=peterz@infradead.org \
--cc=aarcange@redhat.com \
--cc=akpm@linux-foundation.org \
--cc=alex.shi@linaro.org \
--cc=andi@firstfloor.org \
--cc=dave.hansen@intel.com \
--cc=davidlohr.bueso@hp.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=matthew.r.wilcox@intel.com \
--cc=mingo@elte.hu \
--cc=peter@hurleysoftware.com \
--cc=riel@redhat.com \
--cc=tim.c.chen@linux.intel.com \
--cc=walken@google.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox