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From: Michael Ellerman <michael@ellerman.id.au>
To: Rene Herman <rene.herman@keyaccess.nl>
Cc: Greg KH <greg@kroah.com>,
	bzolnier@gmail.com, muli@il.ibm.com, jdmason@kudzu.us,
	linux-ide@vger.kernel.org, linux-pci@atrey.karlin.mff.cuni.cz,
	linux-kernel@vger.kernel.org, discuss@x86-64.org
Subject: Re: "ide=reverse" do we still need this?
Date: Thu, 14 Feb 2008 09:39:02 +1100	[thread overview]
Message-ID: <1202942342.10139.4.camel@concordia> (raw)
In-Reply-To: <47B2E6AB.1020701@keyaccess.nl>

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On Wed, 2008-02-13 at 13:46 +0100, Rene Herman wrote:
> On 13-02-08 13:16, Michael Ellerman wrote:
> 
> > On Wed, 2008-02-13 at 13:06 +0100, Rene Herman wrote:
> >> On 13-02-08 05:44, Greg KH wrote:
> >>
> >>>> While details escape me somewhat again at the monment, a few months ago
> >>>> I was playing around with a PCI Promise IDE controller and needed
> >>>> ide=reverse to save me from having to switch disks around to still have
> >>>> a bootable system.
> >>>>
> >>>> Or some such. Not too clear anymore, but I remember it saved the day.
> >>> You couldn't just change the boot disk in grub?
> >>>
> >>> Or use an initramfs and /dev/disk/by-id/ to keep any future moves stable?
> >> No. The thing is that you need these kinds of hacks while messing with old 
> >> systems, building and stripping them, often in recovery type of situations.
> >>
> >> As said (same as the other person I saw reacting) details of what was most 
> >> decidedly needed last time around escape me at the moment, but ide=reverse 
> >> is the kind of hack that saves one hours of unscrewing computer cases and 
> >> switching disks around while building stuff, making quick tests, doing 
> >> recovery...
> >>
> >> If it must go for the greater architectural good, so be it, but it's the 
> >> type of thing that's used specifically in the situations where you don't 
> >> have stable, well arranged (or known!) setups to begin with.
> > 
> > I might be off the deep end, but isn't this what
> > Documentation/feature-removal-schedule.txt is for?
> 
> Documentation/feature-removal-schedule.txt is for asking/discussing whether 
> or not features should be removed? No, I don't think so. It seems to be a 
> schedule of when to remove features.

Well it's sort of both I think. It's a schedule, but if enough people
complain that something's being removed then it can be reconsidered
before it's removed.

cheers

-- 
Michael Ellerman
OzLabs, IBM Australia Development Lab

wwweb: http://michael.ellerman.id.au
phone: +61 2 6212 1183 (tie line 70 21183)

We do not inherit the earth from our ancestors,
we borrow it from our children. - S.M.A.R.T Person

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  reply	other threads:[~2008-02-13 22:40 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-02-13  0:15 Greg KH
2008-02-13  0:16 ` pci_get_device_reverse(), why does Calgary " Greg KH
2008-02-13  2:17   ` Alan Cox
2008-02-13  4:45     ` Greg KH
2008-02-13 12:34       ` Bartlomiej Zolnierkiewicz
2008-02-13 17:28         ` Greg KH
2008-02-13 18:16           ` Greg KH
2008-02-13 22:20             ` Bartlomiej Zolnierkiewicz
2008-02-13 23:41               ` Greg KH
2008-02-14  0:02                 ` Bartlomiej Zolnierkiewicz
2008-02-14  4:58                   ` Greg KH
2008-02-14 13:09               ` Sergei Shtylyov
2008-02-14  7:44             ` [discuss] " Andreas Jaeger
2008-02-14 12:11               ` Bartlomiej Zolnierkiewicz
2008-02-15  7:17                 ` Greg KH
2008-02-20  0:39                 ` Greg KH
2008-02-13  9:32   ` Muli Ben-Yehuda
2008-02-13 17:32     ` Greg KH
2008-02-13 17:47       ` Muli Ben-Yehuda
2008-02-13 18:14         ` Greg KH
2008-02-15  7:17           ` Greg KH
2008-02-15  7:48             ` Muli Ben-Yehuda
2008-02-15 15:20               ` Greg KH
2008-02-15 15:31                 ` Sam Ravnborg
2008-02-15 15:46                   ` yong xue
2008-02-15 18:28                   ` Greg KH
2008-02-17  7:53                     ` Muli Ben-Yehuda
2008-02-13  1:41 ` "ide=reverse" do we still " Rene Herman
2008-02-13  4:44   ` Greg KH
2008-02-13 12:06     ` Rene Herman
2008-02-13 12:16       ` Michael Ellerman
2008-02-13 12:46         ` Rene Herman
2008-02-13 22:39           ` Michael Ellerman [this message]
2008-02-13 12:57       ` Rene Herman
2008-02-14 17:16     ` Bill Davidsen
2008-02-15 13:58       ` Matthew Wilcox
2008-02-13  2:43 ` Ken Moffat
2008-02-13  4:43   ` Greg KH
2008-02-13 15:32     ` Ken Moffat
2008-02-19 15:08       ` Ken Moffat
2008-02-13  7:54 ` [discuss] " Dirk GOUDERS
2008-02-13  8:26   ` Greg KH
2008-02-13  8:54     ` Dirk GOUDERS
2008-02-13 20:00     ` Dirk GOUDERS
2008-02-13 20:48       ` Greg KH

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