From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Robert Hancock <hancockr@shaw.ca>
Cc: Mark Lord <lkml@rtr.ca>,
"Maciej W. Rozycki" <macro@linux-mips.org>,
Russell King <rmk+lkml@arm.linux.org.uk>,
Lee Howard <faxguy@howardsilvan.com>,
linux-serial@vger.kernel.org, tytso@mit.edu,
linux-kernel@vger.kernel.org
Subject: Re: serial flow control appears broken
Date: Thu, 2 Aug 2007 17:57:11 +0100 [thread overview]
Message-ID: <20070802175711.12bdcaec@the-village.bc.nu> (raw)
In-Reply-To: <46B202DE.5000709@shaw.ca>
> I think that PIO transfers only have to be done with interrupts disabled
> on really old, evil controllers (without unmask set). I don't think
> libata ever disables interrupts during transfers(?)
Currently libata PIO is mostly done in the IRQ path. Albert Lee was doing
some work on that but its actually very hard to fix without doing polled
PIO.
next prev parent reply other threads:[~2007-08-02 16:52 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <fa.Z6O0xFRT69zes0Mg+agt3Uiwux4@ifi.uio.no>
2007-07-26 7:20 ` Robert Hancock
2007-07-26 16:08 ` Lee Howard
2007-07-26 16:31 ` Alan Cox
2007-07-27 5:53 ` Lee Howard
2007-07-27 13:45 ` Tilman Schmidt
2007-07-27 20:05 ` Lee Howard
2007-08-27 20:38 ` Paul Fulghum
2007-07-27 20:48 ` Lee Howard
2007-07-27 23:28 ` Paul Fulghum
2007-07-28 4:51 ` Lee Howard
2007-07-28 9:18 ` Russell King
2007-07-28 12:00 ` Alan Cox
2007-07-28 15:39 ` Lee Howard
2007-07-28 16:41 ` Ray Lee
2007-08-04 18:21 ` Lee Howard
2007-08-04 22:07 ` Paul Fulghum
2007-08-05 0:00 ` Lee Howard
2007-08-05 14:52 ` Paul Fulghum
2007-07-27 11:32 ` Maciej W. Rozycki
2007-07-27 17:11 ` Lee Howard
2007-07-27 17:41 ` Alan Cox
2007-07-27 17:53 ` Maciej W. Rozycki
2007-07-27 18:11 ` Lee Howard
2007-07-30 9:36 ` Maciej W. Rozycki
2007-07-27 18:22 ` Robert Hancock
2007-07-27 18:46 ` Paul Fulghum
2007-07-27 19:05 ` Paul Fulghum
2007-07-30 9:39 ` Maciej W. Rozycki
2007-07-27 19:14 ` Paul Fulghum
2007-07-28 9:28 ` Russell King
2007-07-30 9:45 ` Maciej W. Rozycki
2007-07-30 9:59 ` Russell King
2007-08-02 14:57 ` Mark Lord
2007-08-02 16:14 ` Robert Hancock
2007-08-02 16:29 ` Mark Lord
2007-08-02 16:40 ` Robert Hancock
2007-08-02 17:13 ` Alan Cox
2007-08-04 19:38 ` Lee Howard
2007-08-02 16:57 ` Alan Cox [this message]
2007-08-02 17:02 ` Robert Hancock
2007-08-03 9:32 ` Maciej W. Rozycki
2007-07-30 9:34 ` Maciej W. Rozycki
2007-08-04 18:19 ` Lee Howard
2007-07-26 1:52 Lee Howard
2007-07-26 12:34 ` Uwe Kleine-König
2007-07-26 16:28 ` Lee Howard
2007-07-26 16:41 ` Alan Cox
2007-07-27 6:17 ` Lee Howard
2007-07-27 11:56 ` Alan Cox
2007-07-27 18:00 ` Lee Howard
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