diff options
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/kernel/tlb_uv.c | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/arch/x86/kernel/tlb_uv.c b/arch/x86/kernel/tlb_uv.c index fced96e94e2..98307f95349 100644 --- a/arch/x86/kernel/tlb_uv.c +++ b/arch/x86/kernel/tlb_uv.c @@ -25,6 +25,8 @@ static int uv_bau_retry_limit __read_mostly; /* position of pnode (which is nasid>>1): */ static int uv_nshift __read_mostly; +/* base pnode in this partition */ +static int uv_partition_base_pnode __read_mostly; static unsigned long uv_mmask __read_mostly; @@ -43,7 +45,7 @@ static int __init blade_to_first_node(int blade) if (blade == b) return node; } - BUG(); + return -1; /* shouldn't happen */ } /* @@ -359,7 +361,8 @@ const struct cpumask *uv_flush_tlb_others(const struct cpumask *cpumask, locals++; continue; } - bau_node_set(pnode, &bau_desc->distribution); + bau_node_set(pnode - uv_partition_base_pnode, + &bau_desc->distribution); i++; } if (i == 0) { @@ -728,7 +731,12 @@ uv_activation_descriptor_init(int node, int pnode) for (i = 0, ad2 = adp; i < UV_ACTIVATION_DESCRIPTOR_SIZE; i++, ad2++) { memset(ad2, 0, sizeof(struct bau_desc)); ad2->header.sw_ack_flag = 1; - ad2->header.base_dest_nodeid = uv_cpu_to_pnode(0); + /* + * base_dest_nodeid is the first node in the partition, so + * the bit map will indicate partition-relative node numbers. + * note that base_dest_nodeid is actually a nasid. + */ + ad2->header.base_dest_nodeid = uv_partition_base_pnode << 1; ad2->header.command = UV_NET_ENDPOINT_INTD; ad2->header.int_both = 1; /* @@ -825,6 +833,11 @@ static int __init uv_bau_init(void) kmalloc(nblades * sizeof(struct bau_control *), GFP_KERNEL); BUG_ON(!uv_bau_table_bases); + uv_partition_base_pnode = 0x7fffffff; + for (blade = 0; blade < nblades; blade++) + if (uv_blade_nr_possible_cpus(blade) && + (uv_blade_to_pnode(blade) < uv_partition_base_pnode)) + uv_partition_base_pnode = uv_blade_to_pnode(blade); for (blade = 0; blade < nblades; blade++) if (uv_blade_nr_possible_cpus(blade)) uv_init_blade(blade); |