linux-kernel - Re: [PATCH 15/16] bootparam: Pass acpi

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Message-ID: <20130912144207.GA10495@x1.alien8.de>
Date:	Thu, 12 Sep 2013 16:42:07 +0200
From:	Borislav Petkov <bp@...en8.de>
To:	Matthew Garrett <matthew.garrett@...ula.com>
Cc:	Dave Young <dyoung@...hat.com>, Vivek Goyal <vgoyal@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-security-module@...r.kernel.org" 
	<linux-security-module@...r.kernel.org>,
	"kexec@...ts.infradead.org" <kexec@...ts.infradead.org>,
	"akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
	"zohar@...ux.vnet.ibm.com" <zohar@...ux.vnet.ibm.com>,
	"d.kasatkin@...sung.com" <d.kasatkin@...sung.com>,
	"ebiederm@...ssion.com" <ebiederm@...ssion.com>
Subject: Re: [PATCH 15/16] bootparam: Pass acpi_rsdp pointer in bootparam

On Thu, Sep 12, 2013 at 02:34:58PM +0000, Matthew Garrett wrote:
> The second kernel still needs to be passed a pointer to the EFI tables
> and memory map.

Date: Thu, 12 Sep 2013 14:53:50 +0200
From: Borislav Petkov <bp@...en8.de
Message-ID: <20130912125350.GB9280@...alien8.de>

On Thu, Sep 12, 2013 at 03:34:15PM +0800, Dave Young wrote:
> Also kexec userspace need to fill efi_info in bootparams and pass the
> previous saved efi data to 2nd kernel.

Hmm, yes, we need to tell the kexec kernel the EFI regions.

-- 
Regards/Gruss,
Boris.
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