diff options
| author | Dean Nelson <dcn@sgi.com> | 2005-03-21 19:41:00 -0700 |
|---|---|---|
| committer | Tony Luck <tony.luck@intel.com> | 2005-05-03 12:07:46 -0700 |
| commit | 2e34f07ff0c944399a6456e2d91cf0ca1d9a497c (patch) | |
| tree | d09796e3f37d7cd809eceb5d931f1e2171a32f5b /include/asm-ia64 | |
| parent | ce0a3956b32650e229b68964c4400bbdc5ad3ca1 (diff) | |
| download | lwn-2e34f07ff0c944399a6456e2d91cf0ca1d9a497c.tar.gz lwn-2e34f07ff0c944399a6456e2d91cf0ca1d9a497c.zip | |
[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>
Diffstat (limited to 'include/asm-ia64')
| -rw-r--r-- | include/asm-ia64/sn/arch.h | 11 | ||||
| -rw-r--r-- | include/asm-ia64/sn/pda.h | 1 | ||||
| -rw-r--r-- | include/asm-ia64/sn/sn_cpuid.h | 7 |
3 files changed, 12 insertions, 7 deletions
diff --git a/include/asm-ia64/sn/arch.h b/include/asm-ia64/sn/arch.h index 7c349f07916a..e6d9aa6bb561 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 @@ 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 */ diff --git a/include/asm-ia64/sn/pda.h b/include/asm-ia64/sn/pda.h index cd19f17bf91a..a5340cfe9bab 100644 --- a/include/asm-ia64/sn/pda.h +++ b/include/asm-ia64/sn/pda.h @@ -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; diff --git a/include/asm-ia64/sn/sn_cpuid.h b/include/asm-ia64/sn/sn_cpuid.h index 685435af170d..6b44290aaab4 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 @@ 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 |