[PATCH] SN2 XPC build patches

This patch contains the bits to make the XPC code use the uncached
allocator rather than calling into the mspec driver.  It also includes the
mspec.h header which is required to build the XPC modules.

Signed-off-by: Jes Sorensen <jes@wildopensource.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

2 files changed, 5 insertions, 3 deletions

diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 295b5abee72f..34e603cc1716 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -227,7 +227,7 @@ config IA64_SGI_SN_SIM
 
 config IA64_SGI_SN_XP
         tristate "Support communication between SGI SSIs"
-        depends on MSPEC
+        select IA64_UNCACHED_ALLOCATOR
         help
           An SGI machine can be divided into multiple Single System
           Images which act independently of each other and have
diff --git a/arch/ia64/sn/kernel/xpc_partition.c b/arch/ia64/sn/kernel/xpc_partition.c
index 2c3c4a8af553..cd7ed73f0e7a 100644
--- a/arch/ia64/sn/kernel/xpc_partition.c
+++ b/arch/ia64/sn/kernel/xpc_partition.c
@@ -22,6 +22,7 @@
 #include <linux/cache.h>
 #include <linux/mmzone.h>
 #include <linux/nodemask.h>
+#include <asm/uncached.h>
 #include <asm/sn/bte.h>
 #include <asm/sn/intr.h>
 #include <asm/sn/sn_sal.h>
@@ -183,7 +184,7 @@ xpc_rsvd_page_init(void)
          * memory protections are never restricted.
          */
         if ((amos_page = xpc_vars->amos_page) == NULL) {
-                amos_page = (AMO_t *) mspec_kalloc_page(0);
+                amos_page = (AMO_t *) TO_AMO(uncached_alloc_page(0));
                 if (amos_page == NULL) {
                         dev_err(xpc_part, "can't allocate page of AMOs\n");
                         return NULL;
@@ -200,7 +201,8 @@ xpc_rsvd_page_init(void)
                         if (ret != 0) {
                                 dev_err(xpc_part, "can't change memory "
                                         "protections\n");
-                                mspec_kfree_page((unsigned long) amos_page);
+                                uncached_free_page(__IA64_UNCACHED_OFFSET |
+                                                   TO_PHYS((u64) amos_page));
                                 return NULL;
                         }
                 }