From: michael <trimarchi@gandalf.sssup.it>
To: Remy Bohmer <linux@bohmer.net>
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, 13 Feb 2008 12:07:34 +0100 [thread overview]
Message-ID: <47B2CF76.6050704@gandalf.sssup.it> (raw)
In-Reply-To: <3efb10970802061141x5fdecefao8f617265aed7cb6f@mail.gmail.com>
Hi,
All works now for me with preempt-rt. The problem is using hrtimer.
I think that hrtimer are executed with interrupts disabled so, if
this happen when I must receive a char, i have an overrun. The only
solution was the dma support to serial device.
Regards Michael
next prev parent reply other threads:[~2008-02-13 11:26 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 ` [PATCH -mm v4 6/9] atmel_serial: Split the interrupt handler 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
2008-02-13 11:07 ` michael [this message]
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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