linux-kernel - Re: [PATCH] fix DMI for EFI

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Date:	Thu, 05 Mar 2009 09:33:38 +0800
From:	Huang Ying <ying.huang@...el.com>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Brian Maly <bmaly@...hat.com>, Yinghai Lu <yinghai@...nel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] fix DMI for EFI

On Thu, 2009-03-05 at 01:54 +0800, Ingo Molnar wrote:
> * Brian Maly <bmaly@...hat.com> wrote:
> 
> >
> >
> >> Hm, could we ever find ourselves in the positition of having to access 
> >> the DMI strings table in the EFI init code, to implement a quirk? I 
> >> think that's quite plausible.
> >
> >> OTOH, with some DMI quirks in EFI tables it's a bit of a chicken and 
> >> egg problem. Can DMI strings ever be outside of EFI tables on EFI 
> >> systems?
> >
> >> 	Ingo
> >
> > Right now it is EFI that loads the dmi tables (and all other 
> > tables such as ACPI), so it is a chicken and the egg. I think 
> > that if dmi is ever needed by EFI, the dmi scan will have to 
> > be moved inside efi_init. We could move the dmi scan into 
> > efi_init and do the dmi scan the moment we have the dmi table. 
> > Thats really the soonest point we could scan on EFI systems. 
> > Im OK with moving dmi to efi_init if you prefer.
> 
> Your patch looks fine, but i'd like to hear the opinion of Ying 
> Huang as well.

This patch is OK for me.

Thanks,
Huang Ying


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