linux-kernel - Re: Use PCI ROMs from EFI boot services

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Message-ID: <CAE9FiQXwZAAMkWYT8EjsewpuZ-OWqoaFscyzGS_pSuO9C3bf9A@mail.gmail.com>
Date:	Wed, 5 Dec 2012 16:51:50 -0800
From:	Yinghai Lu <yinghai@...nel.org>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	Bjorn Helgaas <bhelgaas@...gle.com>,
	Matthew Garrett <mjg59@...f.ucam.org>,
	linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
	linux-efi@...r.kernel.org, dwmw2@...radead.org,
	"Eric W. Biederman" <ebiederm@...ssion.com>
Subject: Re: Use PCI ROMs from EFI boot services

On Wed, Dec 5, 2012 at 4:36 PM, H. Peter Anvin <hpa@...or.com> wrote:
> On 12/05/2012 04:15 PM, Yinghai Lu wrote:
>>
>
> I don't see why that isn't the right fix.  We copy the data into
> boot_params early in the boot; that *is* the official copy as far as the
> kernel is concerned.
>
> So this patch very much seems like The Right Thing.

it moves boot_params from __initdata  to data.
and just for using pointer to setup_data.

should add setup_data pointer instead. so will not waste (4096 - 8) bytes.

Yinghai
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