sgi-xp: eliminate false detection of no heartbeat

[linux-2.6-omap-h63xx.git] / drivers / misc / sgi-xp / xpc_sn2.c

diff --git a/drivers/misc/sgi-xp/xpc_sn2.c b/drivers/misc/sgi-xp/xpc_sn2.c
index b4882ccf6344a69607ee8c62f1ff3c84c32ce894..82fb9958f22f7bc7b6bcfb03e31d7c66de7beb57 100644 (file)
--- a/drivers/misc/sgi-xp/xpc_sn2.c
+++ b/drivers/misc/sgi-xp/xpc_sn2.c
@@ -553,22 +553,17 @@ static u64 xpc_prot_vec_sn2[MAX_NUMNODES];
 static enum xp_retval
 xpc_allow_amo_ops_sn2(struct amo *amos_page)
 {
-       u64 nasid_array = 0;
-       int ret;
+       enum xp_retval ret = xpSuccess;
 
        /*
         * On SHUB 1.1, we cannot call sn_change_memprotect() since the BIST
         * collides with memory operations. On those systems we call
         * xpc_allow_amo_ops_shub_wars_1_1_sn2() instead.
         */
-       if (!enable_shub_wars_1_1()) {
-               ret = sn_change_memprotect(ia64_tpa((u64)amos_page), PAGE_SIZE,
-                                          SN_MEMPROT_ACCESS_CLASS_1,
-                                          &nasid_array);
-               if (ret != 0)
-                       return xpSalError;
-       }
-       return xpSuccess;
+       if (!enable_shub_wars_1_1())
+               ret = xp_expand_memprotect(ia64_tpa((u64)amos_page), PAGE_SIZE);
+
+       return ret;
 }
 
 /*
@@ -904,7 +899,7 @@ xpc_update_partition_info_sn2(struct xpc_partition *part, u8 remote_rp_version,
        dev_dbg(xpc_part, "  remote_vars_pa = 0x%016lx\n",
                part_sn2->remote_vars_pa);
 
-       part->last_heartbeat = remote_vars->heartbeat;
+       part->last_heartbeat = remote_vars->heartbeat - 1;
        dev_dbg(xpc_part, "  last_heartbeat = 0x%016lx\n",
                part->last_heartbeat);