From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: "Luck, Tony" <tony.luck@intel.com>
Cc: hawkes@sgi.com, Tony Luck <tony.luck@gmail.com>,
Andrew Morton <akpm@osdl.org>,
linux-ia64@vger.kernel.org, linux-kernel@vger.kernel.org,
Jack Steiner <steiner@sgi.com>, Keith Owens <kaos@sgi.com>,
Dimitri Sivanich <sivanich@sgi.com>
Subject: Re: [PATCH] ia64: disable preemption in udelay()
Date: Fri, 16 Dec 2005 14:14:28 +0000 [thread overview]
Message-ID: <1134742468.28761.38.camel@localhost.localdomain> (raw)
In-Reply-To: <20051216010440.GA9886@agluck-lia64.sc.intel.com>
On Iau, 2005-12-15 at 17:04 -0800, Luck, Tony wrote:
> Being out-of-line would reduce accuracy, but this would only be
> significant when the sleep is for a very small number of microseconds.
Even then its a predicted branch to code that will probably be in cache
so really ought to have no material impact.
next prev parent reply other threads:[~2005-12-16 14:14 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-12-14 23:25 [PATCH] ia64: disable preemption in udelay() hawkes
2005-12-14 23:25 ` hawkes
2005-12-15 22:50 ` Luck, Tony
2005-12-15 22:50 ` Luck, Tony
2005-12-16 1:04 ` Luck, Tony
2005-12-16 1:04 ` Luck, Tony
2005-12-16 8:20 ` Christian Hildner
2005-12-16 8:20 ` Christian Hildner
2005-12-16 14:14 ` Alan Cox [this message]
2005-12-16 1:52 ` Zwane Mwaikambo
2005-12-16 1:52 ` Zwane Mwaikambo
2005-12-16 2:03 ` Lee Revell
2005-12-16 2:03 ` Lee Revell
2005-12-16 2:12 ` John Hawkes
2005-12-16 2:12 ` John Hawkes
2005-12-16 2:40 ` Zwane Mwaikambo
2005-12-16 2:40 ` Zwane Mwaikambo
2005-12-16 3:19 ` Lee Revell
2005-12-16 3:19 ` Lee Revell
2005-12-22 21:45 ` Bill Davidsen
2005-12-22 21:45 ` Bill Davidsen
2005-12-16 2:37 ` Zwane Mwaikambo
2005-12-16 2:37 ` Zwane Mwaikambo
2005-12-16 2:42 ` hawkes
2005-12-16 2:42 ` hawkes
2005-12-16 12:28 ` Robin Holt
2005-12-16 12:28 ` Robin Holt
2005-12-16 17:33 ` Luck, Tony
2005-12-16 17:33 ` Luck, Tony
2005-12-16 18:39 ` John Hawkes
2005-12-16 18:39 ` John Hawkes
2005-12-23 0:14 ` Keith Owens
2005-12-23 0:14 ` Keith Owens
2005-12-23 5:58 ` Zwane Mwaikambo
2005-12-23 6:03 ` Zwane Mwaikambo
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