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Date: Sun, 13 Apr 2008 09:45:45 +0900
From: Tejun Heo <htejun@gmail.com>
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To: Jeff Garzik <jeff@garzik.org>
CC: Adrian Bunk <bunk@kernel.org>, Alexey Dobriyan <adobriyan@gmail.com>,
       Jeff Garzik <jgarzik@redhat.com>,
       Andrew Morton <akpm@linux-foundation.org>, linux-kernel@vger.kernel.org,
       linux-ide@vger.kernel.org
Subject: Re: 2.6.25-rc8-mm2: CONFIG_ATA_SFF: panic involving	mount_block_root
 and down the road
References: <20080410203354.f0a6f464.akpm@linux-foundation.org> <20080411234345.GA4742@martell.zuzino.mipt.ru> <20080412005917.GA4742@martell.zuzino.mipt.ru> <20080412065248.GA8849@cs181133002.pp.htv.fi> <480088AD.1040904@garzik.org>
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Jeff Garzik wrote:
>>> Now raise hands those who knew that your ATA controller is SFF
>>> compliant.

/me raises a hand.

>> Is there any technical reason why we have to bother users with the 
>> ATA_SFF option at all?
>>
>> It sounds like a perfect canndidate for being select'ed.
> 
> 'default y' is appropriate, but option that is used to disable a major 
> swath of legacy code unneeded on modern FIS-based SATA platforms like AHCI.

Heh.. yeah, but I have to admit SFF support is cryptic.  We can 
definitely use some friendly explanation there.

-- 
tejun