linux-kernel - Re: [PATCH v7u1 00/31] x86, boot, 64bit: Add support for loading ramdisk and bzImage above 4G

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Date:	Tue, 15 Jan 2013 00:12:36 +0000
From:	David Woodhouse <dwmw2@...radead.org>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	Yinghai Lu <yinghai@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...e.hu>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Borislav Petkov <bp@...en8.de>, Jan Kiszka <jan.kiszka@....de>,
	Jason Wessel <jason.wessel@...driver.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v7u1 00/31] x86, boot, 64bit: Add support for loading
 ramdisk and bzImage above 4G

On Mon, 2013-01-14 at 15:50 -0800, H. Peter Anvin wrote:
> I'm wondering if we should put your new flags in xloadflags instead just
> because some boot loaders have been known to clobber the loadflags when
> setting the upper bits. 

It doesn't matter. Old broken bootloaders won't use the EFI stub entry
point if they don't see the flags that indicate it's available. But they
weren't going to anyway.

-- 
dwmw2


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