[IA64-SGI] move nodepda pointer out of pda
Remove the p_nodepda and p_subnodepda pointers from the pda_s structure.
And then define a new per-cpu pointer to the nodepda and export it so
that 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/nodepda.h b/include/asm-ia64/sn/nodepda.h
index 13cc100..7138b1e 100644
--- a/include/asm-ia64/sn/nodepda.h
+++ b/include/asm-ia64/sn/nodepda.h
@@ -13,7 +13,6 @@
#include <asm/irq.h>
#include <asm/sn/arch.h>
#include <asm/sn/intr.h>
-#include <asm/sn/pda.h>
#include <asm/sn/bte.h>
/*
@@ -67,20 +66,18 @@
* The next set of definitions provides this.
* Routines are expected to use
*
- * nodepda -> to access node PDA for the node on which code is running
- * subnodepda -> to access subnode PDA for the subnode on which code is running
- *
- * NODEPDA(cnode) -> to access node PDA for cnodeid
- * SUBNODEPDA(cnode,sn) -> to access subnode PDA for cnodeid/subnode
+ * sn_nodepda - to access node PDA for the node on which code is running
+ * NODEPDA(cnodeid) - to access node PDA for cnodeid
*/
-#define nodepda pda->p_nodepda /* Ptr to this node's PDA */
-#define NODEPDA(cnode) (nodepda->pernode_pdaindr[cnode])
+DECLARE_PER_CPU(struct nodepda_s *, __sn_nodepda);
+#define sn_nodepda (__get_cpu_var(__sn_nodepda))
+#define NODEPDA(cnodeid) (sn_nodepda->pernode_pdaindr[cnodeid])
/*
* Check if given a compact node id the corresponding node has all the
* cpus disabled.
*/
-#define is_headless_node(cnode) (nr_cpus_node(cnode) == 0)
+#define is_headless_node(cnodeid) (nr_cpus_node(cnodeid) == 0)
#endif /* _ASM_IA64_SN_NODEPDA_H */