9 files changed, 57 insertions, 23 deletions

diff --git a/include/asm-ia64/Kbuild b/include/asm-ia64/Kbuild
index 85d6f8005eb4..15818a18bc52 100644
--- a/include/asm-ia64/Kbuild
+++ b/include/asm-ia64/Kbuild
@@ -1,7 +1,17 @@
 include include/asm-generic/Kbuild.asm
 
-header-y += break.h fpu.h fpswa.h gcc_intrin.h ia64regs.h               \
-         intel_intrin.h intrinsics.h perfmon_default_smpl.h     \
-         ptrace_offsets.h rse.h setup.h ucontext.h
+header-y += break.h
+header-y += fpu.h
+header-y += fpswa.h
+header-y += gcc_intrin.h
+header-y += ia64regs.h
+header-y += intel_intrin.h
+header-y += intrinsics.h
+header-y += perfmon_default_smpl.h
+header-y += ptrace_offsets.h
+header-y += rse.h
+header-y += setup.h
+header-y += ucontext.h
 
 unifdef-y += perfmon.h
+unifdef-y += ustack.h
diff --git a/include/asm-ia64/mman.h b/include/asm-ia64/mman.h
index 6ba179f12718..c73b87832a1e 100644
--- a/include/asm-ia64/mman.h
+++ b/include/asm-ia64/mman.h
@@ -22,4 +22,12 @@
 #define MCL_CURRENT     1               /* lock all current mappings */
 #define MCL_FUTURE      2               /* lock all future mappings */
 
+#ifdef __KERNEL__
+#ifndef __ASSEMBLY__
+#define arch_mmap_check ia64_mmap_check
+int ia64_mmap_check(unsigned long addr, unsigned long len,
+                unsigned long flags);
+#endif
+#endif
+
 #endif /* _ASM_IA64_MMAN_H */
diff --git a/include/asm-ia64/page.h b/include/asm-ia64/page.h
index f5a949ec6e1e..947cb72b520e 100644
--- a/include/asm-ia64/page.h
+++ b/include/asm-ia64/page.h
@@ -7,6 +7,7 @@
  *      David Mosberger-Tang <davidm@hpl.hp.com>
  */
 
+# ifdef __KERNEL__
 
 #include <asm/intrinsics.h>
 #include <asm/types.h>
@@ -64,7 +65,6 @@
 # define __pa(x)                ((x) - PAGE_OFFSET)
 # define __va(x)                ((x) + PAGE_OFFSET)
 #else /* !__ASSEMBLY */
-# ifdef __KERNEL__
 #  define STRICT_MM_TYPECHECKS
 
 extern void clear_page (void *page);
@@ -174,7 +174,6 @@ get_order (unsigned long size)
         return order;
 }
 
-# endif /* __KERNEL__ */
 #endif /* !__ASSEMBLY__ */
 
 #ifdef STRICT_MM_TYPECHECKS
@@ -228,4 +227,5 @@ get_order (unsigned long size)
                                          (((current->personality & READ_IMPLIES_EXEC) != 0)     \
                                           ? VM_EXEC : 0))
 
+# endif /* __KERNEL__ */
 #endif /* _ASM_IA64_PAGE_H */
diff --git a/include/asm-ia64/ptrace.h b/include/asm-ia64/ptrace.h
index 415abb23b210..1414316efd40 100644
--- a/include/asm-ia64/ptrace.h
+++ b/include/asm-ia64/ptrace.h
@@ -56,6 +56,8 @@
 
 
 #include <asm/fpu.h>
+
+#ifdef __KERNEL__
 #ifndef ASM_OFFSETS_C
 #include <asm/asm-offsets.h>
 #endif
@@ -79,10 +81,9 @@
 
 #define KERNEL_STACK_SIZE               IA64_STK_OFFSET
 
-#ifndef __ASSEMBLY__
+#endif /* __KERNEL__ */
 
-#include <asm/current.h>
-#include <asm/page.h>
+#ifndef __ASSEMBLY__
 
 /*
  * This struct defines the way the registers are saved on system
@@ -229,6 +230,9 @@ struct switch_stack {
 
 #ifdef __KERNEL__
 
+#include <asm/current.h>
+#include <asm/page.h>
+
 #define __ARCH_SYS_PTRACE       1
 
 /*
diff --git a/include/asm-ia64/sn/sn_sal.h b/include/asm-ia64/sn/sn_sal.h
index bd4452bda357..ba826b3f75bb 100644
--- a/include/asm-ia64/sn/sn_sal.h
+++ b/include/asm-ia64/sn/sn_sal.h
@@ -706,12 +706,9 @@ static inline int
 sn_change_memprotect(u64 paddr, u64 len, u64 perms, u64 *nasid_array)
 {
         struct ia64_sal_retval ret_stuff;
-        unsigned long irq_flags;
 
-        local_irq_save(irq_flags);
         ia64_sal_oemcall_nolock(&ret_stuff, SN_SAL_MEMPROTECT, paddr, len,
                                 (u64)nasid_array, perms, 0, 0, 0);
-        local_irq_restore(irq_flags);
         return ret_stuff.status;
 }
 #define SN_MEMPROT_ACCESS_CLASS_0               0x14a080
@@ -1143,12 +1140,9 @@ static inline int
 sn_inject_error(u64 paddr, u64 *data, u64 *ecc)
 {
         struct ia64_sal_retval ret_stuff;
-        unsigned long irq_flags;
 
-        local_irq_save(irq_flags);
         ia64_sal_oemcall_nolock(&ret_stuff, SN_SAL_INJECT_ERROR, paddr, (u64)data,
                                 (u64)ecc, 0, 0, 0, 0);
-        local_irq_restore(irq_flags);
         return ret_stuff.status;
 }
 
diff --git a/include/asm-ia64/sn/xp.h b/include/asm-ia64/sn/xp.h
index 9bd2f9bf329b..6f807e0193b7 100644
--- a/include/asm-ia64/sn/xp.h
+++ b/include/asm-ia64/sn/xp.h
@@ -60,23 +60,37 @@
  * the bte_copy() once in the hope that the failure was due to a temporary
  * aberration (i.e., the link going down temporarily).
  *
- * See bte_copy for definition of the input parameters.
+ *      src - physical address of the source of the transfer.
+ *      vdst - virtual address of the destination of the transfer.
+ *      len - number of bytes to transfer from source to destination.
+ *      mode - see bte_copy() for definition.
+ *      notification - see bte_copy() for definition.
  *
  * Note: xp_bte_copy() should never be called while holding a spinlock.
  */
 static inline bte_result_t
-xp_bte_copy(u64 src, u64 dest, u64 len, u64 mode, void *notification)
+xp_bte_copy(u64 src, u64 vdst, u64 len, u64 mode, void *notification)
 {
         bte_result_t ret;
+        u64 pdst = ia64_tpa(vdst);
 
 
-        ret = bte_copy(src, dest, len, mode, notification);
+        /*
+         * Ensure that the physically mapped memory is contiguous.
+         *
+         * We do this by ensuring that the memory is from region 7 only.
+         * If the need should arise to use memory from one of the other
+         * regions, then modify the BUG_ON() statement to ensure that the
+         * memory from that region is always physically contiguous.
+         */
+        BUG_ON(REGION_NUMBER(vdst) != RGN_KERNEL);
 
+        ret = bte_copy(src, pdst, len, mode, notification);
         if (ret != BTE_SUCCESS) {
                 if (!in_interrupt()) {
                         cond_resched();
                 }
-                ret = bte_copy(src, dest, len, mode, notification);
+                ret = bte_copy(src, pdst, len, mode, notification);
         }
 
         return ret;
diff --git a/include/asm-ia64/sn/xpc.h b/include/asm-ia64/sn/xpc.h
index b72af597878d..35e1386f37ab 100644
--- a/include/asm-ia64/sn/xpc.h
+++ b/include/asm-ia64/sn/xpc.h
@@ -683,7 +683,9 @@ extern struct xpc_vars *xpc_vars;
 extern struct xpc_rsvd_page *xpc_rsvd_page;
 extern struct xpc_vars_part *xpc_vars_part;
 extern struct xpc_partition xpc_partitions[XP_MAX_PARTITIONS + 1];
-extern char xpc_remote_copy_buffer[];
+extern char *xpc_remote_copy_buffer;
+extern void *xpc_remote_copy_buffer_base;
+extern void *xpc_kmalloc_cacheline_aligned(size_t, gfp_t, void **);
 extern struct xpc_rsvd_page *xpc_rsvd_page_init(void);
 extern void xpc_allow_IPI_ops(void);
 extern void xpc_restrict_IPI_ops(void);
diff --git a/include/asm-ia64/unistd.h b/include/asm-ia64/unistd.h
index bb0eb727dcd0..f581662c5ab8 100644
--- a/include/asm-ia64/unistd.h
+++ b/include/asm-ia64/unistd.h
@@ -286,8 +286,7 @@
 /* 1294, 1295 reserved for pselect/ppoll */
 #define __NR_unshare                    1296
 #define __NR_splice                     1297
-#define __NR_set_robust_list            1298
-#define __NR_get_robust_list            1299
+/* 1298, 1299 reserved for set_robust_list/get_robust_list */
 #define __NR_sync_file_range            1300
 #define __NR_tee                        1301
 #define __NR_vmsplice                   1302
diff --git a/include/asm-ia64/ustack.h b/include/asm-ia64/ustack.h
index da55c91246e3..a349467913ea 100644
--- a/include/asm-ia64/ustack.h
+++ b/include/asm-ia64/ustack.h
@@ -5,12 +5,15 @@
  * Constants for the user stack size
  */
 
+#ifdef __KERNEL__
 #include <asm/page.h>
 
 /* The absolute hard limit for stack size is 1/2 of the mappable space in the region */
 #define MAX_USER_STACK_SIZE     (RGN_MAP_LIMIT/2)
-/* Make a default stack size of 2GB */
-#define DEFAULT_USER_STACK_SIZE (1UL << 31)
 #define STACK_TOP               (0x6000000000000000UL + RGN_MAP_LIMIT)
+#endif
+
+/* Make a default stack size of 2GiB */
+#define DEFAULT_USER_STACK_SIZE (1UL << 31)
 
 #endif /* _ASM_IA64_USTACK_H */