From mboxrd@z Thu Jan  1 00:00:00 1970
From: Vivek Goyal <vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Subject: Re: [PATCH -v2] EFI: Runtime services virtual mapping
Date: Mon, 30 Sep 2013 16:35:05 -0400
Message-ID: <20130930203505.GA6116@redhat.com>
References: <e39e1065bddc2afee2cb6eed957e3ba8.squirrel@www.skyhub.de>
 <52422A6A.8080305@zytor.com>
 <20130926031242.GA4487@dhcp-16-126.nay.redhat.com>
 <20130930201730.GD16383@pd.tnic>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Return-path: <linux-efi-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Content-Disposition: inline
In-Reply-To: <20130930201730.GD16383-fF5Pk5pvG8Y@public.gmane.org>
Sender: linux-efi-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
To: Borislav Petkov <bp-Gina5bIWoIWzQB+pC5nmwQ@public.gmane.org>
Cc: Dave Young <dyoung-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>, "H. Peter Anvin" <hpa-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>, X86 ML <x86-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>, LKML <linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>, Borislav Petkov <bp-l3A5Bk7waGM@public.gmane.org>, Matt Fleming <matt-HNK1S37rvNbeXh+fF434Mdi2O/JbrIOy@public.gmane.org>, Matthew Garrett <mjg59-1xO5oi07KQx4cg9Nei1l7Q@public.gmane.org>, James Bottomley <james.bottomley-JuX6DAaQMKPCXq6kfMZ53/egYHeGw8Jk@public.gmane.org>, linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
List-Id: linux-efi@vger.kernel.org

On Mon, Sep 30, 2013 at 10:17:30PM +0200, Borislav Petkov wrote:
> On Thu, Sep 26, 2013 at 11:12:42AM +0800, Dave Young wrote:
> > If we choose this approach, can we save not only the efi_mapping, but
> > also the fields which will be converted to virt addr, like fw_vendor,
> > runtime, tables? During my test on a HP workstation, the config table
> > item (SMBIOS) also is converted to virt addr though spec only mention
> > fw_vendor/runtime/tables.
> 
> Btw, I was about to ask: how do you pass boot_params to the kexec
> kernel?

kexec-tools in user space prepares the boot_params and passes it to
second kernel.

Thanks
Vivek