linux-kernel - Re: [PATCH] adjust/fix LDT handling for Xen

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Date:	Mon, 14 Jan 2008 16:48:17 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Jan Beulich <jbeulich@...ell.com>
Cc:	Jeremy Fitzhardinge <jeremy@...source.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] adjust/fix LDT handling for Xen


* Jan Beulich <jbeulich@...ell.com> wrote:

> Don't rely on kmalloc(PAGE_SIZE) returning PAGE_SIZE aligned memory 
> (Xen requires GDT *and* LDT to be page-aligned). Using the page 
> allocator interface also removes the (albeit small) slab allocator 
> overhead. The same change being done for 64-bits for consistency.
> 
> Further, the Xen hypercall interface expects the LDT address to be 
> virtual, not machine.

coul dyou try this against x86.git as well? We already unified ldt.c as 
part of the paravirt patches.

	Ingo
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