linux-kernel - Re: [PATCH] x86, boot: Allow 64bit EFI kernel to be loaded above 4G

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Message-ID: <20150205060935.GA23096@dhcp-16-198.nay.redhat.com>
Date:	Thu, 5 Feb 2015 14:09:35 +0800
From:	Dave Young <dyoung@...hat.com>
To:	Yinghai Lu <yinghai@...nel.org>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>, Ingo Molnar <mingo@...hat.com>,
	Jonathan Corbet <corbet@....net>,
	Matt Fleming <matt.fleming@...el.com>,
	Kees Cook <keescook@...omium.org>,
	Junjie Mao <eternal.n08@...il.com>,
	"linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
	"linux-efi@...r.kernel.org" <linux-efi@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] x86, boot: Allow 64bit EFI kernel to be loaded above 4G

On 02/04/15 at 09:25pm, Yinghai Lu wrote:
> On Wed, Feb 4, 2015 at 7:25 PM, Dave Young <dyoung@...hat.com> wrote:
> >> After this patch, could use patched grub2-x86_64.efi to place
> >> kernel/boot_params/cmd_line/initrd all above 4G and execute the kernel
> >> above 4G.
> >
> > Can you share the grub2 patch for testing?
> 
> Please check attached 5 patches. last one is for debug purpose.
> 
> You need to apply them on top of
> 
> git://git.savannah.gnu.org/grub.git
> 
> plus  http://pkgs.fedoraproject.org/cgit/grub2.git/plain/0091-Add-support-for-linuxefi.patch

> Subject: [PATCH] update setup_header and boot_params to 2.12
> 
> the one that is used by kernel v3.8...

Thanks for quick feedback..
Dave
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