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From: "H. Peter Anvin" <>
To: Gleb Natapov <>
	Thomas Gleixner <>,
	Ingo Molnar <>,
Subject: Re: [PATCH] Fix EDD3.0 data verification.
Date: Wed, 02 Feb 2011 11:56:55 -0800	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

On 02/02/2011 09:59 AM, Gleb Natapov wrote:
> Ah I see what length you were referring to params->device_path_info_length.
> If we will use that then we will get correct checksum for BIOSes that work
> according to phoenix spec too, but edd_show_interface() and edd_show_host_bus()
> handle only T13 spec so the information they show can be incorrect. I can
> change code to check that params->device_path_info_length == 44 in addition
> to checking csum. What do you think?

Yes, you need to check both.

This is really a union of two similar-but-not-identical structures
distinguished by the length field.


  reply	other threads:[~2011-02-02 19:57 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-02-02 11:21 [PATCH] Fix EDD3.0 data verification Gleb Natapov
2011-02-02 13:30 ` Henrique de Moraes Holschuh
2011-02-02 13:38   ` Gleb Natapov
2011-02-02 17:14 ` H. Peter Anvin
2011-02-02 17:25   ` Gleb Natapov
2011-02-02 17:29     ` H. Peter Anvin
2011-02-02 17:38       ` Gleb Natapov
2011-02-02 17:59         ` Gleb Natapov
2011-02-02 19:56           ` H. Peter Anvin [this message]
2011-02-03 10:04             ` Gleb Natapov

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