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From: Ingo Molnar <mingo@elte.hu>
To: Jan Beulich <jbeulich@novell.com>
Cc: Jeremy Fitzhardinge <jeremy@xensource.com>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] adjust/fix LDT handling for Xen
Date: Mon, 14 Jan 2008 16:48:17 +0100	[thread overview]
Message-ID: <20080114154817.GA14000@elte.hu> (raw)
In-Reply-To: <4787436E.76E4.0078.0@novell.com>


* Jan Beulich <jbeulich@novell.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

  parent reply	other threads:[~2008-01-14 15:48 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-01-11  9:22 [PATCH] adjust/fix LDT handling for Xen Jan Beulich
2008-01-11  9:39 ` Jiri Slaby
2008-01-11 10:08   ` Jan Beulich
2008-01-11 17:28 ` Jeremy Fitzhardinge
2008-01-14  8:22   ` Jan Beulich
2008-01-14 15:48 ` Ingo Molnar [this message]
2008-01-14 16:06   ` Jan Beulich
2008-01-14 17:04     ` Jeremy Fitzhardinge
2008-01-15 13:24       ` Ingo Molnar
2008-01-15 21:47         ` Jeremy Fitzhardinge

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