linux-kernel - Re: Revert commit 5dcd14ecd4 - breaks EFI boot with SLES11 elilo.efi

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Date:	Wed, 06 Mar 2013 09:37:27 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Josh Boyer <jwboyer@...il.com>
CC:	Yinghai Lu <yinghai@...nel.org>, Robin Holt <holt@....com>,
	hpa@....com, linux-kernel@...r.kernel.org, pjones@...hat.com
Subject: Re: Revert commit 5dcd14ecd4 - breaks EFI boot with SLES11 elilo.efi

On 03/06/2013 09:36 AM, Josh Boyer wrote:
> 
> Something like this?
> 
> Index: linux-2.6/arch/x86/include/asm/bootparam_utils.h
> ===================================================================
> --- linux-2.6.orig/arch/x86/include/asm/bootparam_utils.h
> +++ linux-2.6/arch/x86/include/asm/bootparam_utils.h
> @@ -20,8 +20,11 @@ static void sanitize_boot_params(struct
>  	if (boot_params->sentinel) {
>  		/*fields in boot_params are not valid, clear them */
>  		memset(&boot_params->olpc_ofw_header, 0,
> -		       (char *)&boot_params->alt_mem_k -
> +		       (char *)&boot_params->efi_info -
>  			(char *)&boot_params->olpc_ofw_header);
>  		memset(&boot_params->kbd_status, 0,
>  		       (char *)&boot_params->hdr -
>  		       (char *)&boot_params->kbd_status);
> 
> I can try that in a bit.
> 

Right.

	-hpa


-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

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