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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: "Joshua Hintze" <joshh@imsar.com>
Cc: <linux-kernel@vger.kernel.org>, <linux-ide@vger.kernel.org>
Subject: Re: PATA IDE is slower in newer versions of kernel
Date: Sun, 19 Sep 2010 01:59:03 +0100	[thread overview]
Message-ID: <20100919015903.49606426@lxorguk.ukuu.org.uk> (raw)
In-Reply-To: <010901cb5754$ae6735a0$0b35a0e0$@com>

> I'm dedicated to continue working on the problem, I just need to advice from the linux community. I've tried different I/O schedulers such as noop and anticipatory and I'm studying the ide-dma code but still lost to where this is happening.

drivers/ide is pretty much obsolete - so what you are seeing is doubly
odd. Most stuff now is using the newer drivers/ata code which can support
SATA, NCQ etc unlike the old codebase.

One thing to check would be whether using the drivers/ata code shows the
same problem.

Alan

  parent reply	other threads:[~2010-09-19  0:36 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-09-16 23:30 Joshua Hintze
2010-09-17 13:47 ` Alejandro Riveira Fernández
2010-09-18 17:12   ` Joshua Hintze
2010-09-18 19:22     ` Maxim Levitsky
2010-09-18 19:43       ` Joshua Hintze
2010-09-18 19:47         ` Randy Dunlap
2010-09-18 20:02           ` Joshua Hintze
2010-09-18 20:04       ` Arnd Bergmann
2010-09-19  0:59     ` Alan Cox [this message]
2010-09-19  4:23       ` Joshua Hintze

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