From: Peter Zijlstra <peterz@infradead.org>
To: Don Zickus <dzickus@redhat.com>
Cc: x86@kernel.org, Andi Kleen <andi@firstfloor.org>,
Robert Richter <robert.richter@amd.com>,
ying.huang@intel.com, LKML <linux-kernel@vger.kernel.org>,
jason.wessel@windriver.com
Subject: Re: [RFC][PATCH 2/6] x86, nmi: create new NMI handler routines
Date: Tue, 23 Aug 2011 16:17:23 +0200 [thread overview]
Message-ID: <1314109043.8002.58.camel@twins> (raw)
In-Reply-To: <20110823141452.GL2067@redhat.com>
On Tue, 2011-08-23 at 10:14 -0400, Don Zickus wrote:
> Maybe I don't understand kfree_rcu, but what advantage do I have by
> placing rcu_head into nmiaction that never gets used except on unregister
> (which rarely happens to begin with)?
you don't have to wait for sync_rcu(), but you're right, this is an
absolute slow patch and we don't care.
next prev parent reply other threads:[~2011-08-23 14:17 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-19 20:37 [RFC][PATCH 0/6] x86, nmi: new NMI handling routines Don Zickus
2011-08-19 20:37 ` [RFC][PATCH 1/6] x86, nmi: split out nmi from traps.c Don Zickus
2011-08-19 20:37 ` [RFC][PATCH 2/6] x86, nmi: create new NMI handler routines Don Zickus
2011-08-22 14:13 ` Peter Zijlstra
2011-08-22 15:21 ` Don Zickus
2011-08-22 15:26 ` Peter Zijlstra
2011-08-22 15:41 ` Don Zickus
2011-08-22 15:31 ` Peter Zijlstra
2011-08-22 14:16 ` Peter Zijlstra
2011-08-22 15:23 ` Don Zickus
2011-08-23 14:14 ` Don Zickus
2011-08-23 14:17 ` Peter Zijlstra [this message]
2011-08-24 17:04 ` Paul E. McKenney
2011-08-24 17:44 ` Don Zickus
2011-08-24 17:51 ` Peter Zijlstra
2011-08-24 18:16 ` Don Zickus
2011-08-24 18:19 ` Peter Zijlstra
2011-08-24 19:16 ` Paul E. McKenney
2011-08-19 20:37 ` [RFC][PATCH 3/6] x86, nmi: wire up NMI handlers to new routines Don Zickus
2011-08-19 20:37 ` [RFC][PATCH 4/6] x86, nmi: add in logic to handle multiple events and unknown NMIs Don Zickus
2011-08-22 14:22 ` Peter Zijlstra
2011-08-22 15:25 ` Don Zickus
2011-08-19 20:37 ` [RFC][PATCH 5/6] x86, nmi: track NMI usage stats Don Zickus
2011-08-19 20:37 ` [RFC][PATCH 6/6] x86, nmi: print out NMI stats in /proc/interrupts Don Zickus
2011-08-22 14:27 ` Peter Zijlstra
2011-08-22 15:28 ` Don Zickus
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