diff options
Diffstat (limited to 'drivers/misc/sgi-xp/xpc_partition.c')
| -rw-r--r-- | drivers/misc/sgi-xp/xpc_partition.c | 16 |
1 files changed, 4 insertions, 12 deletions
diff --git a/drivers/misc/sgi-xp/xpc_partition.c b/drivers/misc/sgi-xp/xpc_partition.c index 7dd4b5812c4..02a858eddd8 100644 --- a/drivers/misc/sgi-xp/xpc_partition.c +++ b/drivers/misc/sgi-xp/xpc_partition.c @@ -51,13 +51,7 @@ struct xpc_vars_part *xpc_vars_part; static int xp_nasid_mask_bytes; /* actual size in bytes of nasid mask */ static int xp_nasid_mask_words; /* actual size in words of nasid mask */ -/* - * For performance reasons, each entry of xpc_partitions[] is cacheline - * aligned. And xpc_partitions[] is padded with an additional entry at the - * end so that the last legitimate entry doesn't share its cacheline with - * another variable. - */ -struct xpc_partition xpc_partitions[XP_MAX_PARTITIONS + 1]; +struct xpc_partition *xpc_partitions; /* * Generic buffer used to store a local copy of portions of a remote @@ -261,7 +255,7 @@ xpc_rsvd_page_init(void) /* clear xpc_vars_part */ memset((u64 *)xpc_vars_part, 0, sizeof(struct xpc_vars_part) * - XP_MAX_PARTITIONS); + xp_max_npartitions); /* initialize the activate IRQ related AMO variables */ for (i = 0; i < xp_nasid_mask_words; i++) @@ -408,7 +402,7 @@ xpc_check_remote_hb(void) remote_vars = (struct xpc_vars *)xpc_remote_copy_buffer; - for (partid = 1; partid < XP_MAX_PARTITIONS; partid++) { + for (partid = 0; partid < xp_max_npartitions; partid++) { if (xpc_exiting) break; @@ -487,10 +481,8 @@ xpc_get_remote_rp(int nasid, u64 *discovered_nasids, /* check that the partid is for another partition */ - if (remote_rp->partid < 1 || - remote_rp->partid > (XP_MAX_PARTITIONS - 1)) { + if (remote_rp->partid < 0 || remote_rp->partid >= xp_max_npartitions) return xpInvalidPartid; - } if (remote_rp->partid == sn_partition_id) return xpLocalPartid; |