From mboxrd@z Thu Jan  1 00:00:00 1970
From: "zhao, forrest" <forrest.zhao@intel.com>
Subject: Re: [RFC] AHCI Command Completion Coalescing(CCC) proposal
Date: Fri, 09 Jun 2006 11:51:05 +0800
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To: Tejun Heo <htejun@gmail.com>
Cc: Jeff Garzik <jgarzik@pobox.com>, linux-ide@vger.kernel.org

On Fri, 2006-06-09 at 12:47 +0900, Tejun Heo wrote:
> If we're gonna do it.  EH needs only a few changes probably during 
> autopsy and report.  Fixing up command issue path and implementing 
> command exclusion (NCQ vs. non-NCQ, sil24 does it in hardware, ahci 
> doesn't) will be a bit complex though.

Would you please elaborate on command exclusion? Why NCQ commands need
to be excluded from non-NCQ commands?

Thanks,
Forrest