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From: Sergei Shtylylov <sshtylyov@ru.mvista.com>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>,
	linux-ide@vger.kernel.org
Subject: Re: + fix-ide-dma-resource-managment.patch added to -mm tree
Date: Tue, 28 Mar 2006 23:19:49 +0400	[thread overview]
Message-ID: <44298C55.7030504@ru.mvista.com> (raw)
In-Reply-To: <1143574006.17522.31.camel@localhost.localdomain>

Hello.

Alan Cox wrote:

>>    OTOH, it's handy in ide-dma.c itself. And hwif->extra_base is surely more 
>>efficient than pci_resource_start(hwif->dev, 4).
> 
> 
> Its just more memory use so I doubt it.

    dma_master and dma_base2 fields are taking up the memory anyway. I'm going 
to remove them both.

> pci_resource_foo is just
> derefencing internal structures not going to the bus.

    Note the double dereference vs single one.

WBR, Sergei

  reply	other threads:[~2006-03-28 19:21 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <200603212323.k2LNNSnJ006228@shell0.pdx.osdl.net>
     [not found] ` <58cb370e0603261309p126fdc64j1140bbf437ffe06e@mail.gmail.com>
2006-03-27 10:54   ` + fix-ide-dma-resource-managment.patch added to -mm tree Sergei Shtylylov
2006-03-27 11:38     ` Sergei Shtylylov
2006-03-27 12:21       ` Bartlomiej Zolnierkiewicz
2006-03-27 12:39         ` Sergei Shtylylov
2006-03-27 12:58           ` Bartlomiej Zolnierkiewicz
2006-03-27 13:03             ` Sergei Shtylylov
2006-03-28 13:12       ` Sergei Shtylylov
2006-03-28 14:11         ` Bartlomiej Zolnierkiewicz
2006-03-28 14:20           ` Sergei Shtylylov
2006-03-28 16:21             ` Sergei Shtylylov
2006-03-28 19:26               ` Alan Cox
2006-03-28 19:19                 ` Sergei Shtylylov [this message]
2006-03-27 12:07     ` Bartlomiej Zolnierkiewicz
2006-03-27 12:21       ` Sergei Shtylylov
2006-03-27 12:33         ` Bartlomiej Zolnierkiewicz
2006-03-27 12:57           ` Sergei Shtylylov
2006-03-27 13:08             ` Bartlomiej Zolnierkiewicz

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