From: "Remy Bohmer" <linux@bohmer.net>
To: michael <trimarchi@gandalf.sssup.it>
Cc: "Haavard Skinnemoen" <hskinnemoen@atmel.com>,
fabio@gandalf.sssup.it, "Andrew Victor" <linux@maxim.org.za>,
"Chip Coldwell" <coldwell@redhat.com>,
"Marc Pignat" <marc.pignat@hevs.ch>,
"David Brownell" <david-b@pacbell.net>,
linux-kernel@vger.kernel.org,
"Alan Cox" <alan@lxorguk.ukuu.org.uk>
Subject: Re: [PATCH -mm v4 6/9] atmel_serial: Split the interrupt handler
Date: Wed, 6 Feb 2008 20:41:49 +0100 [thread overview]
Message-ID: <3efb10970802061141x5fdecefao8f617265aed7cb6f@mail.gmail.com> (raw)
In-Reply-To: <47A9A5B5.3060800@gandalf.sssup.it>
Hello Michael,
> the serial driver works fine. The problem seems to be related to the
> tclib, when I use it as a clocksource.
tclib as a clocksource should be no problem on Preempt-RT, do not use
it as clockevent device, it will not work properly on preempt-rt on
at91* yet, especially with the NO_HZ config.
> The numbers of overruns depends on the type of
> files too. It is possible?
I am still very curious to your (RT-) thread-prio layout. The problems
you mention can also be caused by a weird configuration of these
threads on preempt-rt.
Remy
2008/2/6, michael <trimarchi@gandalf.sssup.it>:
> Hi,
>
> the serial driver works fine. The problem seems to be related to the
> tclib, when I use
> it as a clocksource. The numbers of overruns depends on the type of
> files too.
> It is possible?
>
> Regards
> Michael
>
>
> --
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next prev parent reply other threads:[~2008-02-06 19:42 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20080129224316.GA23155@gandalf.sssup.it>
2008-01-29 23:12 ` michael
2008-01-30 9:41 ` Haavard Skinnemoen
2008-01-30 10:21 ` Remy Bohmer
2008-01-30 10:34 ` Haavard Skinnemoen
2008-01-30 11:05 ` Remy Bohmer
2008-01-30 12:43 ` Haavard Skinnemoen
2008-01-30 15:25 ` michael
2008-01-30 10:29 ` michael
2008-01-30 12:36 ` Haavard Skinnemoen
2008-01-30 15:26 ` michael
2008-01-30 15:46 ` Haavard Skinnemoen
2008-01-31 1:53 ` michael
2008-01-31 15:07 ` Haavard Skinnemoen
2008-01-31 19:36 ` Remy Bohmer
2008-02-04 12:39 ` Haavard Skinnemoen
2008-02-04 19:44 ` Remy Bohmer
2008-02-06 12:19 ` michael
2008-02-06 19:41 ` Remy Bohmer [this message]
2008-02-13 11:07 ` michael
2008-02-13 20:13 ` Remy Bohmer
2008-02-14 7:30 ` michael
2008-02-04 19:01 ` michael
2008-02-04 20:25 ` Haavard Skinnemoen
2008-02-05 12:29 ` michael
2008-02-06 12:30 ` Haavard Skinnemoen
2008-02-06 13:41 ` michael
2008-02-06 15:22 ` Haavard Skinnemoen
2008-01-24 12:41 [PATCH -mm v4 0/9] atmel_serial cleanups and improvements Haavard Skinnemoen
2008-01-24 12:41 ` [PATCH -mm v4 1/9] MAINTAINERS: Add myself as maintainer of the atmel_serial driver Haavard Skinnemoen
2008-01-24 12:41 ` [PATCH -mm v4 2/9] atmel_serial: Clean up the code Haavard Skinnemoen
2008-01-24 12:41 ` [PATCH -mm v4 3/9] atmel_serial: Use cpu_relax() when busy-waiting Haavard Skinnemoen
2008-01-24 12:41 ` [PATCH -mm v4 4/9] atmel_serial: Use existing console options only if BRG is running Haavard Skinnemoen
2008-01-24 12:41 ` [PATCH -mm v4 5/9] atmel_serial: Fix bugs in probe() error path and remove() Haavard Skinnemoen
2008-01-24 12:41 ` [PATCH -mm v4 6/9] atmel_serial: Split the interrupt handler Haavard Skinnemoen
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