From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Bartlomiej Zolnierkiewicz <B.Zolnierkiewicz@elka.pw.edu.pl>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>,
linux-kernel mailing list <linux-kernel@vger.kernel.org>
Subject: Re: Reserving an ATA interface
Date: 03 May 2003 21:40:30 +0200 [thread overview]
Message-ID: <1051990830.7820.72.camel@gaston> (raw)
In-Reply-To: <Pine.SOL.4.30.0305032109390.10296-100000@mion.elka.pw.edu.pl>
> > With my patch, since the PCI interface will not set the "hold" flag,
> > ide_register_hw() called by ide-cs will call init_hwif_data(), thus
> > putting back the hwif to a sane state
>
> So every time you remove your disks from one of your PCI IDE controllers,
> your ide-cs will get diffirent hwif and drives mappings and your RAID
> on ide-cs won't be recognized ;-)
Yes ;) Note that it's already the case today. Except that with the call
to init_hwif_data(), at least, it wont crash the kernel because of wrong
IOps, DMA ops or whatever in the hwif.
Ben.
next prev parent reply other threads:[~2003-05-03 19:29 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-05-03 9:33 Reserving an ATA interface Benjamin Herrenschmidt
2003-05-03 16:42 ` Bartlomiej Zolnierkiewicz
2003-05-03 16:59 ` Benjamin Herrenschmidt
2003-05-03 17:08 ` Benjamin Herrenschmidt
2003-05-03 17:21 ` Bartlomiej Zolnierkiewicz
2003-05-03 18:39 ` Benjamin Herrenschmidt
2003-05-03 19:31 ` Bartlomiej Zolnierkiewicz
2003-05-03 19:40 ` Benjamin Herrenschmidt [this message]
2003-05-03 17:12 ` Bartlomiej Zolnierkiewicz
2003-05-04 1:28 ` Andre Hedrick
-- strict thread matches above, loose matches on Subject: below --
2003-05-03 21:24 Chuck Ebbert
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