linux-kernel - Re: [PATCH -v2] EFI: Runtime services virtual mapping

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Message-ID: <20130930203505.GA6116@redhat.com>
Date:	Mon, 30 Sep 2013 16:35:05 -0400
From:	Vivek Goyal <vgoyal@...hat.com>
To:	Borislav Petkov <bp@...en8.de>
Cc:	Dave Young <dyoung@...hat.com>, "H. Peter Anvin" <hpa@...or.com>,
	X86 ML <x86@...nel.org>, LKML <linux-kernel@...r.kernel.org>,
	Borislav Petkov <bp@...e.de>,
	Matt Fleming <matt@...sole-pimps.org>,
	Matthew Garrett <mjg59@...f.ucam.org>,
	James Bottomley <james.bottomley@...senpartnership.com>,
	linux-efi@...r.kernel.org
Subject: Re: [PATCH -v2] EFI: Runtime services virtual mapping

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
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