6 files changed, 28 insertions, 25 deletions

diff --git a/include/asm-ia64/ide.h b/include/asm-ia64/ide.h
index e62b95301d51..93f45c5f189f 100644
--- a/include/asm-ia64/ide.h
+++ b/include/asm-ia64/ide.h
@@ -17,14 +17,6 @@
 
 #include <linux/irq.h>
 
-#ifndef MAX_HWIFS
-# ifdef CONFIG_PCI
-#define MAX_HWIFS       10
-# else
-#define MAX_HWIFS       6
-# endif
-#endif
-
 #define IDE_ARCH_OBSOLETE_DEFAULTS
 
 static inline int ide_default_irq(unsigned long base)
diff --git a/include/asm-ia64/semaphore.h b/include/asm-ia64/semaphore.h
index bb8906285fab..f483eeb95dd1 100644
--- a/include/asm-ia64/semaphore.h
+++ b/include/asm-ia64/semaphore.h
@@ -61,7 +61,7 @@ static inline void
 down (struct semaphore *sem)
 {
         might_sleep();
-        if (atomic_dec_return(&sem->count) < 0)
+        if (ia64_fetchadd(-1, &sem->count.counter, acq) < 1)
                 __down(sem);
 }
 
@@ -75,7 +75,7 @@ down_interruptible (struct semaphore * sem)
         int ret = 0;
 
         might_sleep();
-        if (atomic_dec_return(&sem->count) < 0)
+        if (ia64_fetchadd(-1, &sem->count.counter, acq) < 1)
                 ret = __down_interruptible(sem);
         return ret;
 }
@@ -85,7 +85,7 @@ down_trylock (struct semaphore *sem)
 {
         int ret = 0;
 
-        if (atomic_dec_return(&sem->count) < 0)
+        if (ia64_fetchadd(-1, &sem->count.counter, acq) < 1)
                 ret = __down_trylock(sem);
         return ret;
 }
@@ -93,7 +93,7 @@ down_trylock (struct semaphore *sem)
 static inline void
 up (struct semaphore * sem)
 {
-        if (atomic_inc_return(&sem->count) <= 0)
+        if (ia64_fetchadd(1, &sem->count.counter, rel) <= -1)
                 __up(sem);
 }
 
diff --git a/include/asm-ia64/sn/sn_feature_sets.h b/include/asm-ia64/sn/sn_feature_sets.h
index e68a80853d5d..9ca642cad338 100644
--- a/include/asm-ia64/sn/sn_feature_sets.h
+++ b/include/asm-ia64/sn/sn_feature_sets.h
@@ -8,7 +8,7 @@
  * License.  See the file "COPYING" in the main directory of this archive
  * for more details.
  *
- * Copyright (c) 2005 Silicon Graphics, Inc.  All rights reserved.
+ * Copyright (c) 2005-2006 Silicon Graphics, Inc.  All rights reserved.
  */
 
 
@@ -27,14 +27,12 @@ extern int sn_prom_feature_available(int id);
  * "false" for new features.
  *
  * Use:
- *              if (sn_prom_feature_available(PRF_FEATURE_XXX))
+ *              if (sn_prom_feature_available(PRF_XXX))
  *                      ...
  */
 
-/*
- * Example: feature XXX
- */
-#define PRF_FEATURE_XXX         0
+#define PRF_PAL_CACHE_FLUSH_SAFE        0
+#define PRF_DEVICE_FLUSH_LIST           1
 
 
 
@@ -51,7 +49,7 @@ extern int sn_prom_feature_available(int id);
  *
  * By default, features are disabled unless explicitly enabled.
  */
-#define  OSF_MCA_SLV_TO_OS_INIT_SLV             0
-#define  OSF_FEAT_LOG_SBES                      1
+#define  OSF_MCA_SLV_TO_OS_INIT_SLV     0
+#define  OSF_FEAT_LOG_SBES              1
 
 #endif /* _ASM_IA64_SN_FEATURE_SETS_H */
diff --git a/include/asm-ia64/sn/xp.h b/include/asm-ia64/sn/xp.h
index 203945ae034e..9bd2f9bf329b 100644
--- a/include/asm-ia64/sn/xp.h
+++ b/include/asm-ia64/sn/xp.h
@@ -18,6 +18,7 @@
 
 #include <linux/cache.h>
 #include <linux/hardirq.h>
+#include <linux/mutex.h>
 #include <asm/sn/types.h>
 #include <asm/sn/bte.h>
 
@@ -359,7 +360,7 @@ typedef void (*xpc_notify_func)(enum xpc_retval reason, partid_t partid,
  * the channel.
  */
 struct xpc_registration {
-        struct semaphore sema;
+        struct mutex mutex;
         xpc_channel_func func;          /* function to call */
         void *key;                      /* pointer to user's key */
         u16 nentries;                   /* #of msg entries in local msg queue */
diff --git a/include/asm-ia64/sn/xpc.h b/include/asm-ia64/sn/xpc.h
index 87e9cd588510..0c36928ffd8b 100644
--- a/include/asm-ia64/sn/xpc.h
+++ b/include/asm-ia64/sn/xpc.h
@@ -19,6 +19,8 @@
 #include <linux/interrupt.h>
 #include <linux/sysctl.h>
 #include <linux/device.h>
+#include <linux/mutex.h>
+#include <linux/completion.h>
 #include <asm/pgtable.h>
 #include <asm/processor.h>
 #include <asm/sn/bte.h>
@@ -335,8 +337,7 @@ struct xpc_openclose_args {
  * and consumed by the intended recipient.
  */
 struct xpc_notify {
-        struct semaphore sema;          /* notify semaphore */
-        volatile u8 type;                       /* type of notification */
+        volatile u8 type;               /* type of notification */
 
         /* the following two fields are only used if type == XPC_N_CALL */
         xpc_notify_func func;           /* user's notify function */
@@ -465,8 +466,8 @@ struct xpc_channel {
         xpc_channel_func func;          /* user's channel function */
         void *key;                      /* pointer to user's key */
 
-        struct semaphore msg_to_pull_sema; /* next msg to pull serialization */
-        struct semaphore wdisconnect_sema; /* wait for channel disconnect */
+        struct mutex msg_to_pull_mutex; /* next msg to pull serialization */
+        struct completion wdisconnect_wait; /* wait for channel disconnect */
 
         struct xpc_openclose_args *local_openclose_args; /* args passed on */
                                         /* opening or closing of channel */
diff --git a/include/asm-ia64/topology.h b/include/asm-ia64/topology.h
index d8aae4da3978..3ee19dfa46df 100644
--- a/include/asm-ia64/topology.h
+++ b/include/asm-ia64/topology.h
@@ -18,6 +18,10 @@
 #include <asm/smp.h>
 
 #ifdef CONFIG_NUMA
+
+/* Nodes w/o CPUs are preferred for memory allocations, see build_zonelists */
+#define PENALTY_FOR_NODE_WITH_CPUS 255
+
 /*
  * Returns the number of the node containing CPU 'cpu'
  */
@@ -98,6 +102,13 @@ void build_cpu_to_node_map(void);
 
 #endif /* CONFIG_NUMA */
 
+#ifdef CONFIG_SMP
+#define topology_physical_package_id(cpu)       (cpu_data(cpu)->socket_id)
+#define topology_core_id(cpu)                   (cpu_data(cpu)->core_id)
+#define topology_core_siblings(cpu)             (cpu_core_map[cpu])
+#define topology_thread_siblings(cpu)           (cpu_sibling_map[cpu])
+#endif
+
 #include <asm-generic/topology.h>
 
 #endif /* _ASM_IA64_TOPOLOGY_H */