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[PATCH] i386: Use per-cpu variables for GDT, PDA

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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, which we do in a
followup patch).

[akpm@linux-foundation.org: build fix]
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Andi Kleen <ak@suse.de>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Rusty Russell
2007-05-02 19:27:10 +02:00
committed by Andi Kleen
parent 8f9aeca7a0
commit ae1ee11be7
7 changed files with 21 additions and 115 deletions
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include/asm-generic/percpu.h
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@@ -1,6 +1,7 @@
#ifndef _ASM_GENERIC_PERCPU_H_
#define _ASM_GENERIC_PERCPU_H_
#include <linux/compiler.h>
#include <linux/threads.h>
#define __GENERIC_PER_CPU
#ifdef CONFIG_SMP