linux-kernel - Re: [PATCH] EDD: Check for correct EDD 3.0 length

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Message-ID: <20120515155450.13040d1f@pyramind.ukuu.org.uk>
Date:	Tue, 15 May 2012 15:54:50 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Gleb Natapov <gleb@...hat.com>
Cc:	Hannes Reinecke <hare@...e.de>,
	LKML <linux-kernel@...r.kernel.org>,
	"H. Peter Anvin" <hpa@...ux.intel.com>
Subject: Re: [PATCH] EDD: Check for correct EDD 3.0 length

> > Sample case of .. 1
> > 
> Not one. Any system with SCSI disk. Revert the patch and check on yours.

I don't have a SCSI disk. In fact most users don't have a SCSI disk 8)

> > Actual systems in the field are using both 3.0 and 4.0 so we need to deal
> > with that as part of fixing this. That is the reality of the situation.
> Again let me correct myself. This is not about 3.0 versus 4.0. This is
> about Phoenix vs T13 spec. The code was written to support only T13.

Well actually the code was written to mishandle both in different ways.
You propose to change it to handle one correctly and completely fail on
the other. That isn't what needs to happen.

Alan
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