3 files changed, 16 insertions, 3 deletions

diff --git a/arch/ia64/include/asm/percpu.h b/arch/ia64/include/asm/percpu.h
index 77f30b664b4e..30cf46534dd2 100644
--- a/arch/ia64/include/asm/percpu.h
+++ b/arch/ia64/include/asm/percpu.h
@@ -27,12 +27,12 @@ extern void *per_cpu_init(void);
 
 #else /* ! SMP */
 
-#define PER_CPU_ATTRIBUTES      __attribute__((__section__(".data.percpu")))
-
 #define per_cpu_init()                          (__phys_per_cpu_start)
 
 #endif  /* SMP */
 
+#define PER_CPU_BASE_SECTION ".data.percpu"
+
 /*
  * Be extremely careful when taking the address of this variable!  Due to virtual
  * remapping, it is different from the canonical address returned by __get_cpu_var(var)!
diff --git a/arch/ia64/include/asm/topology.h b/arch/ia64/include/asm/topology.h
index 32f3af1641c5..3193f4417e16 100644
--- a/arch/ia64/include/asm/topology.h
+++ b/arch/ia64/include/asm/topology.h
@@ -84,7 +84,7 @@ void build_cpu_to_node_map(void);
         .child                  = NULL,                 \
         .groups                 = NULL,                 \
         .min_interval           = 8,                    \
-        .max_interval           = 8*(min(num_online_cpus(), 32)), \
+        .max_interval           = 8*(min(num_online_cpus(), 32U)), \
         .busy_factor            = 64,                   \
         .imbalance_pct          = 125,                  \
         .cache_nice_tries       = 2,                    \
diff --git a/arch/ia64/include/asm/uv/uv.h b/arch/ia64/include/asm/uv/uv.h
new file mode 100644
index 000000000000..61b5bdfd980e
--- /dev/null
+++ b/arch/ia64/include/asm/uv/uv.h
@@ -0,0 +1,13 @@
+#ifndef _ASM_IA64_UV_UV_H
+#define _ASM_IA64_UV_UV_H
+
+#include <asm/system.h>
+#include <asm/sn/simulator.h>
+
+static inline int is_uv_system(void)
+{
+        /* temporary support for running on hardware simulator */
+        return IS_MEDUSA() || ia64_platform_is("uv");
+}
+
+#endif  /* _ASM_IA64_UV_UV_H */