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From: Sergei Shtylyov <sshtylyov@ru.mvista.com>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: "Bartlomiej Zolnierkiewicz" <bzolnier@gmail.com>,
	"Dan Noé" <dpn@isomerica.net>,
	"James Bottomley" <James.Bottomley@hansenpartnership.com>,
	"Christoph Hellwig" <hch@infradead.org>,
	"FUJITA Tomonori" <fujita.tomonori@lab.ntt.co.jp>,
	linux-ide@vger.kernel.org, linux-scsi@vger.kernel.org,
	osst@riede.org
Subject: Re: [PATCH] remove ide-scsi
Date: Sun, 07 Dec 2008 03:08:06 +0300	[thread overview]
Message-ID: <493B13E6.3010807@ru.mvista.com> (raw)
In-Reply-To: <20081206233235.2a3f1602@lxorguk.ukuu.org.uk>

Hello.

Alan Cox wrote:

>>> - Full SATA and NCQ aware platform support.
>>>   
>>>       
>>    I don't see how SATA/NCQ support is connected to SCSI.
>>     
>
> Because the chunks of scsi midlayer we inherit (actually nowdays mostly
> block) are the pieces you need anyway to do multiple command queues,
>   

   Er, what does this term mean? Several queues per device or a tagged 
queue?

> error recovery from multiple pending commands, barriers and all the other
> nasty sequencing and recovery stuff.
>   

   So, you're just presenting SCSI emulation as a "lesser evil". But 5 
years seems a long enough term to unbind all that stuff from SCSI.

>> directly into SoC's own GPIO, not an expander) -- which requires the 
>> drivers to call the platform code hooks. :-(
>>     
>
> Embedded system design in my experience primarily consists of shooting
> yourself and the programmer in the foot simultaenously with automatic
> weapons while attempting to save 2 cents/unit
>   

   Some h/w designers and programmers do indeed deserve to be shot. :-D

> Alan
>   

MBR, Sergei



  reply	other threads:[~2008-12-07  0:08 UTC|newest]

Thread overview: 65+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-12-03  1:38 [PATCH] remove ide-scsi FUJITA Tomonori
2008-12-03 10:06 ` Christoph Hellwig
2008-12-03 13:31   ` Willem Riede
2008-12-03 13:55     ` Matthew Wilcox
2008-12-03 14:02       ` Alan Cox
2008-12-03 15:09   ` James Bottomley
2008-12-06  6:12     ` Pete Zaitcev
2008-12-06 14:06       ` Bartlomiej Zolnierkiewicz
2008-12-06 14:51     ` Bartlomiej Zolnierkiewicz
2008-12-06 15:06       ` Alan Cox
2008-12-06 16:29         ` Bartlomiej Zolnierkiewicz
2008-12-06 15:25       ` Willem Riede
2008-12-06 15:59         ` Bartlomiej Zolnierkiewicz
2008-12-06 17:00       ` Dan Noé
2008-12-06 21:41         ` Bartlomiej Zolnierkiewicz
2008-12-06 22:24           ` Alan Cox
2008-12-06 22:52             ` Sergei Shtylyov
2008-12-06 23:02               ` Alan Cox
2008-12-06 23:19                 ` Sergei Shtylyov
2008-12-06 23:32                   ` Alan Cox
2008-12-07  0:08                     ` Sergei Shtylyov [this message]
2008-12-07 11:40                       ` Alan Cox
2008-12-07 14:46                         ` Sergei Shtylyov
2008-12-07 15:04                   ` James Bottomley
2008-12-07 15:21                     ` Sergei Shtylyov
2008-12-09 22:21                     ` libata / scsi separation Matthew Wilcox
2008-12-09 22:38                       ` James Bottomley
2008-12-10  3:37                         ` Matthew Wilcox
2008-12-10  1:54                       ` Tejun Heo
2008-12-10  2:29                         ` Grant Grundler
2008-12-10  2:47                           ` Tejun Heo
2008-12-10  3:23                             ` Grant Grundler
2008-12-10  3:44                               ` Tejun Heo
2008-12-10 15:24                                 ` Matthew Wilcox
2008-12-10 15:33                                   ` Tejun Heo
2008-12-10 16:01                                     ` Matthew Wilcox
2008-12-10 17:11                                     ` Grant Grundler
2008-12-10 17:21                                   ` Grant Grundler
2008-12-07  0:19                 ` [PATCH] remove ide-scsi Sergei Shtylyov
2008-12-07  9:59                   ` Sergei Shtylyov
2008-12-07 10:41                 ` Sergei Shtylyov
2008-12-09 21:41                 ` Matthew Wilcox
2008-12-10 17:46                   ` Sergei Shtylyov
2008-12-06 23:28               ` Jeff Garzik
2008-12-06 23:42                 ` Sergei Shtylyov
2008-12-06 23:48                   ` Jeff Garzik
2008-12-07  3:36                     ` Yinghai Lu
2008-12-07  4:17                       ` Jeff Garzik
2008-12-07  5:07                         ` Yinghai Lu
2008-12-07 11:00                           ` Sergei Shtylyov
2008-12-09 19:59                         ` Mark Lord
2008-12-09 20:07                           ` Jeff Garzik
2008-12-09 21:04                             ` James Bottomley
2008-12-06 23:45                 ` Bartlomiej Zolnierkiewicz
2008-12-06 23:50                   ` Jeff Garzik
2008-12-06 23:40             ` Bartlomiej Zolnierkiewicz
2008-12-06 23:51               ` Alan Cox
2008-12-07  0:56                 ` Bartlomiej Zolnierkiewicz
2008-12-07  1:14                   ` Alan Cox
2008-12-07 10:32                     ` Sergei Shtylyov
2008-12-06 23:51               ` Jeff Garzik
2008-12-06 22:33           ` Al Viro
2008-12-06 23:13             ` Bartlomiej Zolnierkiewicz
2008-12-06 23:17             ` Willem Riede
2008-12-07  0:09               ` Al Viro

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