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[PATCH] move cnodeid_to_nasid_table out of pda

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Another step in the effort to eliminate the SN pda structure.
This patch moves the cnodeid_to_nasid_table field out of the pda,
making it a standalone per-cpu data item, and exports it so it can
be accessed by kernel modules.

Signed-off-by: Dean Nelson <dcn@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
This commit is contained in:
Dean Nelson
2005-03-21 19:41:00 -07:00
committed by Tony Luck
parent ce0a3956b3
commit 2e34f07ff0
4 changed files with 29 additions and 21 deletions
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include/asm-ia64/sn/arch.h
+10 -1
View File
@@ -5,7 +5,7 @@
*
* SGI specific setup.
*
* Copyright (C) 1995-1997,1999,2001-2004 Silicon Graphics, Inc. All rights reserved.
* Copyright (C) 1995-1997,1999,2001-2005 Silicon Graphics, Inc. All rights reserved.
* Copyright (C) 1999 Ralf Baechle (ralf@gnu.org)
*/
#ifndef _ASM_IA64_SN_ARCH_H
@@ -47,6 +47,15 @@ DECLARE_PER_CPU(struct sn_hub_info_s, __sn_hub_info);
#define MAX_COMPACT_NODES 2048
#define CPUS_PER_NODE 4
/*
* Compact node ID to nasid mappings kept in the per-cpu data areas of each
* cpu.
*/
DECLARE_PER_CPU(short, __sn_cnodeid_to_nasid[MAX_NUMNODES]);
#define sn_cnodeid_to_nasid (&__get_cpu_var(__sn_cnodeid_to_nasid[0]))
extern void sn_flush_all_caches(long addr, long bytes);
#endif /* _ASM_IA64_SN_ARCH_H */
include/asm-ia64/sn/pda.h
-1
View File
@@ -49,7 +49,6 @@ typedef struct pda_s {
unsigned long sn_soft_irr[4];
unsigned long sn_in_service_ivecs[4];
short cnodeid_to_nasid_table[MAX_NUMNODES];
int sn_lb_int_war_ticks;
int sn_last_irq;
int sn_first_irq;
include/asm-ia64/sn/sn_cpuid.h
+2 -5
View File
@@ -4,7 +4,7 @@
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 2000-2004 Silicon Graphics, Inc. All rights reserved.
* Copyright (C) 2000-2005 Silicon Graphics, Inc. All rights reserved.
*/
@@ -123,11 +123,8 @@ extern int nasid_slice_to_cpuid(int, int);
/*
* cnodeid_to_nasid - convert a cnodeid to a NASID
* Macro relies on pg_data for a node being on the node itself.
* Just extract the NASID from the pointer.
*
*/
#define cnodeid_to_nasid(cnodeid) pda->cnodeid_to_nasid_table[cnodeid]
#define cnodeid_to_nasid(cnodeid) (sn_cnodeid_to_nasid[cnodeid])
/*
* nasid_to_cnodeid - convert a NASID to a cnodeid