From: Robert Richter <robert.richter@amd.com>
To: Ingo Molnar <mingo@elte.hu>
Cc: Huang Ying <ying.huang@intel.com>,
"H. Peter Anvin" <hpa@zytor.com>,
Thomas Gleixner <tglx@linutronix.de>,
Andi Kleen <ak@linux.intel.com>,
linux-kernel@vger.kernel.org,
Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Subject: Re: Re-implement MCE log ring buffer as per-CPU ring buffer
Date: Wed, 22 Apr 2009 12:16:01 +0200 [thread overview]
Message-ID: <20090422101600.GL3226@erda.amd.com> (raw)
In-Reply-To: <20090422092259.GC18226@elte.hu>
On 22.04.09 11:22:59, Ingo Molnar wrote:
>
> * Huang Ying <ying.huang@intel.com> wrote:
>
> > Re-implement MCE log ring buffer as per-CPU ring buffer for better
> > scalability. Basic design is as follow:
>
> Before changing anything substantial in the MCE code it would be
> necessary to clean up and then unify the 32-bit and 64-bit side of
> the MCE code first. (Which essentially means extending the
> 64-bit-only code to 32-bit)
You may also want to consider to use the in-kernel ring_buffer api
(include/linux/ring_buffer.h).
-Robert
--
Advanced Micro Devices, Inc.
Operating System Research Center
email: robert.richter@amd.com
next prev parent reply other threads:[~2009-04-22 10:16 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-22 9:11 Re-implement MCE log ring buffer as per-CPU ring buffer Huang Ying
2009-04-22 9:22 ` Ingo Molnar
2009-04-22 10:16 ` Robert Richter [this message]
2009-04-22 10:19 ` Ingo Molnar
2009-04-22 11:35 ` Andi Kleen
2009-04-22 11:30 ` Andi Kleen
2009-04-24 6:06 ` Huang Ying
2009-04-24 10:09 ` Robert Richter
2009-04-24 13:36 ` Steven Rostedt
2009-04-27 7:49 ` Huang Ying
2009-04-27 7:53 ` Andi Kleen
2009-04-27 14:39 ` Steven Rostedt
2009-04-27 14:44 ` Davide Libenzi
2009-04-27 14:57 ` Steven Rostedt
2009-04-27 16:14 ` Valdis.Kletnieks
2009-04-27 17:05 ` Theodore Tso
2009-04-27 20:06 ` H. Peter Anvin
2009-04-27 14:27 ` Steven Rostedt
2009-04-27 14:36 ` Patenting kernel patches was " Andi Kleen
2009-04-27 14:49 ` Steven Rostedt
2009-04-27 15:33 ` Alan Cox
2009-04-27 0:58 ` Huang Ying
2009-04-22 11:20 ` Andi Kleen
2009-04-22 15:55 ` H. Peter Anvin
2009-04-22 15:58 ` Andi Kleen
2009-04-29 19:15 ` Re-implement MCE log ring buffer as per-CPU ring buffer II Andi Kleen
2009-04-30 7:38 ` 32bit mce unification (Re: Re-implement MCE log ring buffer as per-CPU ring buffer II) Hidetoshi Seto
2009-04-22 11:11 ` Re-implement MCE log ring buffer as per-CPU ring buffer Andi Kleen
2009-04-24 5:51 ` Huang Ying
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