From: Christoph Lameter <clameter@sgi.com>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Andrew Morton <akpm@osdl.org>,
npiggin@suse.de, Paul.McKenney@us.ibm.com,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [patch 0/3] 2.6.17 radix-tree: updates and lockless
Date: Tue, 20 Jun 2006 17:34:30 -0700 (PDT) [thread overview]
Message-ID: <Pine.LNX.4.64.0606201732580.14331@schroedinger.engr.sgi.com> (raw)
In-Reply-To: <1150847428.1901.60.camel@localhost.localdomain>
On Wed, 21 Jun 2006, Benjamin Herrenschmidt wrote:
> Anyway, I can drop a spinlock in (in fact I have) the ppc64 irq code for
> now but that sucks, thus we should really seriously consider having the
> lockless tree in 2.6.18 or I might have to look into doing an alternate
> implementation specifically in arch code... or find some other way of
> doing the inverse mapping there...
How many interrupts do you have to ? I would expect a simple table
lookup would be fine to get from the virtual to the real interrupt.
next prev parent reply other threads:[~2006-06-21 0:34 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-06-20 14:48 [patch 0/3] 2.6.17 radix-tree: updates and lockless Nick Piggin
2006-06-20 14:48 ` [patch 1/3] radix-tree: direct data Nick Piggin
2006-06-20 14:48 ` [patch 2/3] radix-tree: small Nick Piggin
2006-06-20 14:48 ` [patch 3/3] radix-tree: RCU lockless readside Nick Piggin
2006-06-22 1:49 ` Paul E. McKenney
2006-06-22 15:45 ` Nick Piggin
2006-06-22 16:30 ` Paul E. McKenney
[not found] ` <20060622165551.GB23109@wotan.suse.de>
[not found] ` <20060622174057.GF1295@us.ibm.com>
2006-06-22 18:11 ` Nick Piggin
2006-06-23 7:09 ` Andrew Morton
2006-06-23 8:03 ` Nick Piggin
2006-06-23 8:39 ` Nick Piggin
2006-06-23 8:41 ` Nick Piggin
2006-06-22 18:23 ` Userspace RCU+rtth hack (was Re: [patch 3/3] radix-tree: RCU lockless readside) Nick Piggin
2006-06-22 20:25 ` Paul E. McKenney
2006-06-24 10:20 ` Nick Piggin
2006-06-24 15:55 ` Joe Seigh
2006-06-20 22:08 ` [patch 0/3] 2.6.17 radix-tree: updates and lockless Benjamin Herrenschmidt
2006-06-20 22:35 ` Andrew Morton
2006-06-20 23:09 ` Benjamin Herrenschmidt
2006-06-20 23:30 ` Andrew Morton
2006-06-20 23:50 ` Benjamin Herrenschmidt
2006-06-21 0:34 ` Christoph Lameter [this message]
2006-06-21 0:47 ` Benjamin Herrenschmidt
2006-06-21 1:07 ` Christoph Lameter
2006-06-21 1:33 ` Benjamin Herrenschmidt
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