From: Rick Jones <rick.jones2@hp.com>
To: linux-ia64@vger.kernel.org
Subject: Re: [RFC] Convert ia64 spinlocks to use "tickets"
Date: Fri, 11 Sep 2009 16:47:49 +0000 [thread overview]
Message-ID: <4AAA7F35.5030403@hp.com> (raw)
In-Reply-To: <4aa9e16649286264@agluck-desktop.sc.intel.com>
Luck, Tony wrote:
> Early last year x86 changed their spinlock implementation to
> use a fair "ticket" system (just like the one at deli counter
> in the grocery store). Here is the same conversion for ia64.
A naieve comment, but doesn't a desire to implement "fairness" suggest lock
contention that aught to be addressed?
rick jones
next prev parent reply other threads:[~2009-09-11 16:47 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-11 5:34 [RFC] Convert ia64 spinlocks to use "tickets" Luck, Tony
2009-09-11 16:47 ` Rick Jones [this message]
2009-09-11 22:22 ` Luck, Tony
2009-09-12 7:59 ` Robin Holt
2009-09-12 21:23 ` Andi Kleen
2009-09-12 23:24 ` Luck, Tony
2009-09-12 23:39 ` Luck, Tony
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