From: Jeff Garzik <jeff@garzik.org>
To: Arjan van de Ven <arjan@infradead.org>
Cc: linux-ide@vger.kernel.org, alan@lxorguk.ukuu.org.uk
Subject: Re: [patch] Enable parallel scan on ata_piix
Date: Fri, 24 Apr 2009 06:29:37 -0400 [thread overview]
Message-ID: <49F19491.2030901@garzik.org> (raw)
In-Reply-To: <20090423214411.515310df@infradead.org>
Arjan van de Ven wrote:
> Hi,
>
> This patch turns on parallel scanning for the ata_piix driver.
> This driver is used on most netbooks (no AHCI for cheap storage it seems).
> The scan is the dominating time factor in the kernel boot for these
> devices; with this flag it gets cut in half for the device I used
> for testing (eeepc).
> Alan took a look at the driver source and concluded that it ought to be safe
> to do for this driver.
>
> Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
I tend to doubt "safe", given the complicated and buggy silicon state
machine that recreates the legacy IDE interface on SATA...
Jeff
next prev parent reply other threads:[~2009-04-24 10:29 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-24 4:44 [patch] Enable parallel scan on ata_piix Arjan van de Ven
2009-04-24 10:29 ` Jeff Garzik [this message]
2009-04-24 11:28 ` Alan Cox
2009-04-24 11:33 ` Jeff Garzik
2009-04-24 11:41 ` Alan Cox
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