From: Peter Zijlstra <peterz@infradead.org>
To: Waiman Long <Waiman.Long@hp.com>
Cc: Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
Arnd Bergmann <arnd@arndb.de>,
linux-arch@vger.kernel.org, x86@kernel.org,
linux-kernel@vger.kernel.org,
Steven Rostedt <rostedt@goodmis.org>,
Andrew Morton <akpm@linux-foundation.org>,
Michel Lespinasse <walken@google.com>,
Andi Kleen <andi@firstfloor.org>, Rik van Riel <riel@redhat.com>,
"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
Linus Torvalds <torvalds@linux-foundation.org>,
Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com>,
George Spelvin <linux@horizon.com>,
Tim Chen <tim.c.chen@linux.intel.com>,
"Chandramouleeswaran, Aswin" <aswin@hp.com>,
"Norton, Scott J" <scott.norton@hp.com>
Subject: Re: [PATCH v4 0/3] qrwlock: Introducing a queue read/write lock implementation
Date: Wed, 2 Oct 2013 17:19:37 +0200 [thread overview]
Message-ID: <20131002151937.GU3081@twins.programming.kicks-ass.net> (raw)
In-Reply-To: <1380722946-30468-1-git-send-email-Waiman.Long@hp.com>
On Wed, Oct 02, 2013 at 10:09:03AM -0400, Waiman Long wrote:
> v3->v4:
> - Optimize the fast path with better cold cache behavior and
> performance.
> - Removing some testing code.
> - Make x86 use queue rwlock with no user configuration.
> arch/x86/Kconfig | 1 +
> arch/x86/include/asm/spinlock.h | 2 +
> arch/x86/include/asm/spinlock_types.h | 4 +
> include/asm-generic/qrwlock.h | 256 +++++++++++++++++++++++++++++++++
> include/linux/rwlock.h | 15 ++
> include/linux/rwlock_types.h | 13 ++
> kernel/Kconfig.locks | 7 +
> lib/Makefile | 1 +
> lib/qrwlock.c | 247 +++++++++++++++++++++++++++++++
> lib/spinlock_debug.c | 19 +++
> 10 files changed, 565 insertions(+), 0 deletions(-)
> create mode 100644 include/asm-generic/qrwlock.h
> create mode 100644 lib/qrwlock.c
Where's the ---- for removing the old rwlock from x86?
next prev parent reply other threads:[~2013-10-02 15:20 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-02 14:09 Waiman Long
2013-10-02 14:09 ` [PATCH v4 1/3] qrwlock: A " Waiman Long
2013-10-23 12:00 ` walken
2013-10-23 16:58 ` Waiman Long
2013-10-24 10:14 ` Thomas Gleixner
2013-10-24 14:12 ` Waiman Long
2013-10-24 16:24 ` Tim Chen
2013-10-02 14:09 ` [PATCH v4 2/3] qrwlock x86: Enable x86 to use queue read/write lock Waiman Long
2013-10-02 14:09 ` [PATCH v4 3/3] qrwlock: Enable fair " Waiman Long
2013-10-02 15:19 ` Peter Zijlstra [this message]
2013-10-02 15:25 ` [PATCH v4 0/3] qrwlock: Introducing a queue read/write lock implementation Ingo Molnar
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