[PATCH] move cnodeid_to_nasid_table out of pda
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>
diff --git a/include/asm-ia64/sn/arch.h b/include/asm-ia64/sn/arch.h
index 7c349f0..e6d9aa6 100644
--- a/include/asm-ia64/sn/arch.h
+++ b/include/asm-ia64/sn/arch.h
@@ -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 @@
#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 */
diff --git a/include/asm-ia64/sn/pda.h b/include/asm-ia64/sn/pda.h
index cd19f17..a5340cf 100644
--- a/include/asm-ia64/sn/pda.h
+++ b/include/asm-ia64/sn/pda.h
@@ -49,7 +49,6 @@
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;
diff --git a/include/asm-ia64/sn/sn_cpuid.h b/include/asm-ia64/sn/sn_cpuid.h
index 685435a..6b44290 100644
--- a/include/asm-ia64/sn/sn_cpuid.h
+++ b/include/asm-ia64/sn/sn_cpuid.h
@@ -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 @@
/*
* 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