From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Cc: Linas Vepstas <linas@austin.ibm.com>,
Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>,
Stuart_Hayes@dell.com, linux-ide@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [BUG] ide dma_timer_expiry, then hard lockup
Date: Thu, 21 Jun 2007 22:41:02 +0100 [thread overview]
Message-ID: <20070621224102.1ae04397@the-village.bc.nu> (raw)
In-Reply-To: <467ABC4D.5010004@ru.mvista.com>
> > queue ? You are overestimating IDE ;)
>
> He's not -- there is queued commands support since ATA[PI]-5. I'm not sure
> why but Linux decided not to support it.
Almost no hardware supports it and the functionality is really really
ugly to use when it works at all - NCQ is rather more elegant.
Alan
next prev parent reply other threads:[~2007-06-21 21:36 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-18 17:57 [BUG] ide dma_timer_expiry, then hard lockup Linas Vepstas
2007-06-18 18:11 ` Stuart_Hayes
2007-06-19 14:07 ` Sergei Shtylyov
2007-06-19 15:05 ` Linas Vepstas
2007-06-19 16:10 ` Sergei Shtylyov
2007-06-19 16:48 ` Linas Vepstas
2007-06-19 18:43 ` Bartlomiej Zolnierkiewicz
2007-06-19 20:07 ` Sergei Shtylyov
2007-06-20 16:28 ` Linas Vepstas
2007-06-20 17:01 ` Alan Cox
2007-06-21 17:58 ` Sergei Shtylyov
2007-06-21 21:41 ` Alan Cox [this message]
2007-06-21 19:47 ` Linas Vepstas
2007-06-21 22:04 ` Alan Cox
2007-06-18 20:27 ` Alan Cox
2007-06-18 20:46 ` Linas Vepstas
2007-06-18 21:04 ` Alan Cox
2007-06-18 21:22 ` Linas Vepstas
2007-06-19 14:56 ` bug in libata [was " Linas Vepstas
2007-06-19 14:10 ` Sergei Shtylyov
2007-06-19 14:19 ` Alan Cox
2007-06-19 14:24 ` Sergei Shtylyov
2007-06-19 15:38 ` Mark Lord
2007-06-19 15:51 ` Sergei Shtylyov
2007-06-19 16:17 ` Alan Cox
2007-06-19 16:32 ` Sergei Shtylyov
2007-06-22 15:39 ` Sergei Shtylyov
2007-06-29 18:52 ` Sergei Shtylyov
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