From: Suresh Siddha <suresh.b.siddha@intel.com>
To: "holt@sgi.com" <holt@sgi.com>
Cc: Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
Thomas Gleixner <tglx@linutronix.de>,
Venkatesh Pallipadi <venkatesh.pallipadi@gmail.com>,
Venkatesh Pallipadi <venkatesh.pallipadi@gmail.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
"x86@kernel.org" <x86@kernel.org>
Subject: Re: [patch 2/2] x86,pat Convert memtype_lock into an rw_lock.
Date: Wed, 17 Mar 2010 08:21:23 -0800 [thread overview]
Message-ID: <1268842883.2696.10.camel@sbs-t61> (raw)
In-Reply-To: <20100315132110.834268286@gulag1.americas.sgi.com>
On Mon, 2010-03-15 at 06:21 -0700, holt@sgi.com wrote:
> Convert the memtype_lock from a spin_lock to an rw_lock. The first
> version of my patch had this and it did improve performance for fault
> in times. The atomic page flags patch (first in the series) improves
> things much greater for ram pages. This patch is to help the other pages.
>
Acked-by: Suresh Siddha <suresh.b.siddha@intel.com>
X86 folks, can you please queue both these patches if you don't have
any objections.
thanks,
suresh
next prev parent reply other threads:[~2010-03-17 15:22 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-15 13:21 [patch 0/2] x86,pat: Reduce contention on the memtype_lock -V3 holt
2010-03-15 13:21 ` [patch 1/2] x86,pat Update the page flags for memtype atomically instead of using memtype_lock. -V3 holt
2010-03-17 10:18 ` Robin Holt
2010-03-17 16:21 ` Suresh Siddha
2010-03-23 23:21 ` Rafael J. Wysocki
2010-03-15 13:21 ` [patch 2/2] x86,pat Convert memtype_lock into an rw_lock holt
2010-03-17 16:21 ` Suresh Siddha [this message]
2010-03-17 19:51 H. Peter Anvin
2010-03-18 0:19 ` Suresh Siddha
2010-03-24 11:32 ` Peter Zijlstra
2010-03-24 16:12 ` Suresh Siddha
2010-03-24 16:36 ` Peter Zijlstra
2010-03-24 0:36 [patch 0/2] x86,pat: Reduce contention on the memtype_lock -V4 holt
2010-03-24 0:36 ` [patch 2/2] x86,pat Convert memtype_lock into an rw_lock holt
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