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Open Source and information security mailing list archives
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Date: Wed, 16 Apr 2008 08:25:57 +0900 From: Tejun Heo <htejun@...il.com> To: Alan Cox <alan@...rguk.ukuu.org.uk> CC: Lennart Sorensen <lsorense@...lub.uwaterloo.ca>, Frans Pop <elendil@...net.nl>, linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org, Bartlomiej Zolnierkiewicz <bzolnier@...il.com> Subject: Re: No IDE drivers loaded for Toshiba Satellite 320 CDS Alan Cox wrote: >> Always loading generic or ata_generic used to be safe. It's still >> pretty safe but not as much as before. Nowadays, there are good number > > ata_generic is always safe unless you force it to grab every class > device. By default it grabs only those devices we know obey the class > interface well enough and for which we have no proper driver (usually > because there are no documents). Ditto for ide/pci/generic. > > The trickier one is pata_legacy, which tries to be smart and knows about > the known exception so *should* always be safe. The old IDE legacy driver > lacks these smarts so in some cases will do the wrong thing even if > loaded last. Right, I was thinking about drivers/ide/ide-generic.c which just grabs every known legacy IO ports. This actually caused rather serious problems on some ATI controllers under certain configurations. :-( -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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