summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--arch/x86/include/asm/uv/uv_hub.h16
-rw-r--r--arch/x86/kernel/tlb_uv.c7
2 files changed, 17 insertions, 6 deletions
diff --git a/arch/x86/include/asm/uv/uv_hub.h b/arch/x86/include/asm/uv/uv_hub.h
index 04eb6c958b9d..94908a08020a 100644
--- a/arch/x86/include/asm/uv/uv_hub.h
+++ b/arch/x86/include/asm/uv/uv_hub.h
@@ -114,7 +114,7 @@
/*
* The largest possible NASID of a C or M brick (+ 2)
*/
-#define UV_MAX_NASID_VALUE (UV_MAX_NUMALINK_NODES * 2)
+#define UV_MAX_NASID_VALUE (UV_MAX_NUMALINK_BLADES * 2)
struct uv_scir_s {
struct timer_list timer;
@@ -230,6 +230,20 @@ static inline unsigned long uv_gpa(void *v)
return uv_soc_phys_ram_to_gpa(__pa(v));
}
+/* gnode -> pnode */
+static inline unsigned long uv_gpa_to_gnode(unsigned long gpa)
+{
+ return gpa >> uv_hub_info->m_val;
+}
+
+/* gpa -> pnode */
+static inline int uv_gpa_to_pnode(unsigned long gpa)
+{
+ unsigned long n_mask = (1UL << uv_hub_info->n_val) - 1;
+
+ return uv_gpa_to_gnode(gpa) & n_mask;
+}
+
/* pnode, offset --> socket virtual */
static inline void *uv_pnode_offset_to_vaddr(int pnode, unsigned long offset)
{
diff --git a/arch/x86/kernel/tlb_uv.c b/arch/x86/kernel/tlb_uv.c
index f99fb6acfe34..1740c85e24bb 100644
--- a/arch/x86/kernel/tlb_uv.c
+++ b/arch/x86/kernel/tlb_uv.c
@@ -23,8 +23,6 @@
static struct bau_control **uv_bau_table_bases __read_mostly;
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;
@@ -723,7 +721,7 @@ uv_activation_descriptor_init(int node, int pnode)
BUG_ON(!adp);
pa = uv_gpa(adp); /* need the real nasid*/
- n = pa >> uv_nshift;
+ n = uv_gpa_to_pnode(pa);
m = pa & uv_mmask;
uv_write_global_mmr64(pnode, UVH_LB_BAU_SB_DESCRIPTOR_BASE,
@@ -778,7 +776,7 @@ uv_payload_queue_init(int node, int pnode, struct bau_control *bau_tablesp)
* need the pnode of where the memory was really allocated
*/
pa = uv_gpa(pqp);
- pn = pa >> uv_nshift;
+ pn = uv_gpa_to_pnode(pa);
uv_write_global_mmr64(pnode,
UVH_LB_BAU_INTD_PAYLOAD_QUEUE_FIRST,
((unsigned long)pn << UV_PAYLOADQ_PNODE_SHIFT) |
@@ -843,7 +841,6 @@ static int __init uv_bau_init(void)
GFP_KERNEL, cpu_to_node(cur_cpu));
uv_bau_retry_limit = 1;
- uv_nshift = uv_hub_info->m_val;
uv_mmask = (1UL << uv_hub_info->m_val) - 1;
nblades = uv_num_possible_blades();