linux-kernel - Re: [PATCH 3/8] Use per-cpu variables for GDT, PDA

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Message-ID: <45EDAF99.7080709@goop.org>
Date:	Tue, 06 Mar 2007 10:14:49 -0800
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	Rusty Russell <rusty@...tcorp.com.au>
CC:	lkml - Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Zachary Amsden <zach@...are.com>,
	Jeremy Fitzhardinge <jeremy@...source.com>,
	Ingo Molnar <mingo@...e.hu>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Andi Kleen <ak@...e.de>
Subject: Re: [PATCH 3/8] Use per-cpu variables for GDT, PDA

Rusty Russell wrote:
> Allocating PDA and GDT at boot is a pain.  Using simple per-cpu
> variables adds happiness (although we need the GDT page-aligned for
> Xen, see later).
>   

Not just Xen.  Apparently it leads to general goodness.

> Finally, we can simply call it "cpu_gdt" rather than enduring the
> superfluous and unnecessarily redundant tautology of "cpu_gdt_table".
>   

Ah, well, at least it isn't excessive.

Signed-off-by: Jeremy Fitzhardinge <jeremy@...source.com>

    J
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