From: Peter Zijlstra <peterz@infradead.org>
To: Nick Piggin <npiggin@suse.de>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
Andi Kleen <ak@suse.de>, Ingo Molnar <mingo@elte.hu>,
Lee Schermerhorn <Lee.Schermerhorn@hp.com>,
riel <riel@redhat.com>
Subject: Re: [patch 1/4] spinlock: lockbreak cleanup
Date: Thu, 01 Nov 2007 15:06:05 +0100 [thread overview]
Message-ID: <1193925965.27652.284.camel@twins> (raw)
In-Reply-To: <20071101140241.GB26879@wotan.suse.de>
On Thu, 2007-11-01 at 15:02 +0100, Nick Piggin wrote:
> Rename need_lockbreak to spin_needbreak, make it use spin_is_contended to
> decouple it from the spinlock implementation, and make it typesafe (rwlocks
> do not have any need_lockbreak sites -- why do they even get bloated up
> with that break_lock then?).
IIRC Lee has a few patches floating about that do introduce lockbreak
stuff for rwlocks.
next prev parent reply other threads:[~2007-11-01 14:06 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-01 14:01 [patch 0/4] ticket spinlocks for x86 Nick Piggin
2007-11-01 14:02 ` [patch 1/4] spinlock: lockbreak cleanup Nick Piggin
2007-11-01 14:06 ` Peter Zijlstra [this message]
2007-11-01 14:29 ` Nick Piggin
2007-11-01 15:39 ` Lee Schermerhorn
2007-11-01 15:46 ` Ingo Molnar
2007-11-01 15:53 ` Nick Piggin
2007-11-01 14:03 ` [patch 1/4] x86: FIFO ticket spinlocks Nick Piggin
2007-11-01 14:40 ` Gregory Haskins
2007-11-01 16:38 ` Linus Torvalds
2007-11-02 0:35 ` Rik van Riel
2007-11-02 1:19 ` Linus Torvalds
2007-11-02 2:01 ` Rik van Riel
2007-11-02 6:42 ` Nick Piggin
2007-11-02 14:05 ` Rik van Riel
2007-11-02 22:37 ` Nick Piggin
2007-11-02 15:33 ` Ingo Molnar
2007-11-07 8:46 ` Nick Piggin
2007-11-02 14:24 ` Gregory Haskins
2007-11-01 20:01 ` Chuck Ebbert
2007-11-02 0:00 ` Nick Piggin
2007-11-02 16:22 ` Chuck Ebbert
2007-11-02 16:51 ` Linus Torvalds
2007-11-02 23:01 ` Nick Piggin
2007-11-03 0:56 ` Chuck Ebbert
2007-11-03 3:41 ` Nick Piggin
2007-11-01 14:04 ` [patch 3/4] x86: spinlock.h merge prep Nick Piggin
2007-11-01 14:05 ` [patch 4/4] x86: spinlock.h merge Nick Piggin
2007-11-03 22:36 ` [patch 0/4] ticket spinlocks for x86 Jeremy Fitzhardinge
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