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Date: Thu, 13 Dec 2012 16:00:53 -0800 From: Yinghai Lu <yinghai@...nel.org> To: "H. Peter Anvin" <hpa@...or.com> Cc: Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...e.hu>, "Eric W. Biederman" <ebiederm@...ssion.com>, Andrew Morton <akpm@...ux-foundation.org>, linux-kernel@...r.kernel.org, Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>, Stefano Stabellini <Stefano.Stabellini@...citrix.com> Subject: Re: [PATCH v6 00/27] x86, boot, 64bit: Add support for loading ramdisk and bzImage above 4G On Thu, Dec 13, 2012 at 3:47 PM, H. Peter Anvin <hpa@...or.com> wrote: > There are obviously good bits to this patchset, but I'm really starting to > think the "pseudo-linear mode" via a trap handler -- meaning we can access > all of memory without any extra effort -- makes more sense. In fact, that > way we could just build the full page tables without worrying about > incremental bootstrap, depending on if that is a complexity win or not. > > Either way, this is for native only: the Xen domain builder or other similar > entry paths should be setting up page tables that cover all of memory; I'm > hoping Konrad and Stefano can confirm this. > > The only reason to go with another approach I can think of is if it makes > 32/64-bit unification cleaner. ok. let's wait until the new approach working. Thanks Yinghai -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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