From: "John Hawkes" <hawkes@sgi.com>
To: "Lee Revell" <rlrevell@joe-job.com>,
"Zwane Mwaikambo" <zwane@arm.linux.org.uk>
Cc: "Luck, Tony" <tony.luck@intel.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: Thu, 15 Dec 2005 18:12:39 -0800 [thread overview]
Message-ID: <00b201c601e6$30c87ff0$d6069aa3@johnhaonw7lw1r> (raw)
In-Reply-To: 1134698636.12086.222.camel@mindpipe
From: "Lee Revell" <rlrevell@joe-job.com>
> There are 10 drivers that udelay(10000) or more and a TON that
> udelay(1000). Turning those all into 1ms+ non preemptible sections will
> be very bad.
What about 100usec non-preemptible sections?
John Hawkes
next prev parent reply other threads:[~2005-12-16 2:13 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-12-14 23:25 [PATCH] ia64: disable preemption in udelay() hawkes
2005-12-15 22:50 ` Luck, Tony
2005-12-16 1:04 ` Luck, Tony
2005-12-16 8:20 ` Christian Hildner
2005-12-16 14:14 ` Alan Cox
2005-12-16 1:52 ` Zwane Mwaikambo
2005-12-16 2:03 ` Lee Revell
2005-12-16 2:12 ` John Hawkes [this message]
2005-12-16 2:40 ` Zwane Mwaikambo
2005-12-16 3:19 ` Lee Revell
2005-12-22 21:45 ` Bill Davidsen
2005-12-23 0:14 ` Keith Owens
2005-12-23 6:03 ` Zwane Mwaikambo
2005-12-16 2:37 ` Zwane Mwaikambo
2005-12-16 2:42 hawkes
2005-12-16 12:28 ` Robin Holt
2005-12-16 17:33 ` Luck, Tony
2005-12-16 18:39 ` John Hawkes
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