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[PATCH] i386: Implement smp_processor_id() with the PDA

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Use the cpu_number in the PDA to implement raw_smp_processor_id.  This is a
little simpler than using thread_info, though the cpu field in thread_info
cannot be removed since it is used for things other than getting the current
CPU in common code.

Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Cc: Chuck Ebbert <76306.1226@compuserve.com>
Cc: Zachary Amsden <zach@vmware.com>
Cc: Jan Beulich <jbeulich@novell.com>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
This commit is contained in:
Jeremy Fitzhardinge
2006-12-07 02:14:03 +01:00
committed by Andi Kleen
parent 49d26b6eaa
commit b2938f8808
5 changed files with 10 additions and 4 deletions
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2
include/asm-i386/pda.h
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@@ -11,6 +11,8 @@
struct i386_pda
{
struct i386_pda *_pda; /* pointer to self */
int cpu_number;
};
extern struct i386_pda *_cpu_pda[];