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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Mel Gorman <mel@csn.ul.ie>
Cc: petkovbb@gmail.com, sshtylyov@ru.mvista.com,
	linux-kernel@vger.kernel.org
Subject: Re: Is the change to IDE probing really necessary?
Date: Mon, 24 Nov 2008 18:54:53 +0000	[thread overview]
Message-ID: <20081124185453.57ca7dcc@lxorguk.ukuu.org.uk> (raw)
In-Reply-To: <20081124184321.GA8293@csn.ul.ie>

O> On a machine requiring probing of the legacy ports, the suggested
> probe_mask of 0x3f results in other devices being registered as IDE
> devices. Suggest to the user they use 0x3 which is the old value of
> probe_mask prior to commit 20df429dd6671804999493baf2952f82582869fa.

NAK

This makes no sense.

0x3F means probe them all.

0x03 means only peer at primary/secondary.

If you don't want them probed, don't pass arguments asking for them to be
probed!

"how is a distro install using modules meant to be fixed up?"

If the distribution supports non PCI bus boxes then pass a mask of 0x3F
on non PCI boxes. If the distribution is for PCI systems then leave the
mask alone.

If you want it to just work automatically use pata_legacy instead as that
automatically flips between probing ISA tertiary devices and leaving
things well alone according to the presence of PCI bus.

Alan

  reply	other threads:[~2008-11-24 19:06 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-11-24 15:56 Mel Gorman
2008-11-24 18:43 ` Mel Gorman
2008-11-24 18:54   ` Alan Cox [this message]
2008-11-24 23:09     ` Mel Gorman
2008-11-25  0:03       ` Alan Cox
2008-11-25  0:16         ` Mel Gorman
2008-11-25  0:30           ` Alan Cox
2008-11-25  0:36             ` Mel Gorman
2008-11-24 22:51 ` Borislav Petkov
2008-11-25  0:01   ` Mel Gorman
2008-11-25  7:21     ` Borislav Petkov
2008-11-25 10:45       ` Mel Gorman
     [not found] <bBM1f-6TS-19@gated-at.bofh.it>
     [not found] ` <bBOFD-1WX-21@gated-at.bofh.it>
     [not found]   ` <bBOYV-2w9-7@gated-at.bofh.it>
     [not found]     ` <bBSST-7ut-11@gated-at.bofh.it>
     [not found]       ` <bBTFg-8vL-15@gated-at.bofh.it>
     [not found]         ` <bBTOS-dn-3@gated-at.bofh.it>
     [not found]           ` <bBU8c-w0-1@gated-at.bofh.it>
2008-11-26 21:48             ` Bodo Eggert

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