From: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
To: Zwane Mwaikambo <zwane@holomorphy.com>
Cc: Linux Kernel <linux-kernel@vger.kernel.org>,
Richard T Henderson <rth@twiddle.net>,
Linus Torvalds <torvalds@transmeta.com>
Subject: Re: [PATCH][2.5] Protect smp_call_function_data w/ spinlocks on Alpha
Date: Fri, 14 Feb 2003 17:53:32 +0300 [thread overview]
Message-ID: <20030214175332.A19234@jurassic.park.msu.ru> (raw)
In-Reply-To: <Pine.LNX.4.50.0302140634000.3518-100000@montezuma.mastecende.com>; from zwane@holomorphy.com on Fri, Feb 14, 2003 at 06:51:54AM -0500
On Fri, Feb 14, 2003 at 06:51:54AM -0500, Zwane Mwaikambo wrote:
> This is an untested patch to remove the custom mutex, however it
> doesn't maintain the same semantics wrt 'retry' and unconditionally
> blocks on contention.
Why do you want to remove it? The critical data here is a single pointer
which can be effectively protected without spinlock.
Ivan.
next prev parent reply other threads:[~2003-02-14 14:44 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-02-14 11:51 Zwane Mwaikambo
2003-02-14 14:53 ` Ivan Kokshaysky [this message]
2003-02-14 17:16 ` Zwane Mwaikambo
2003-02-17 8:15 ` Richard Henderson
2003-02-17 8:32 ` Zwane Mwaikambo
2003-02-17 14:23 ` Ivan Kokshaysky
2003-02-17 14:31 ` Zwane Mwaikambo
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