8 files changed, 27 insertions, 14 deletions

diff --git a/arch/ia64/Makefile b/arch/ia64/Makefile
index 88f1a55c6c94..e67ee3f27698 100644
--- a/arch/ia64/Makefile
+++ b/arch/ia64/Makefile
@@ -57,6 +57,7 @@ core-$(CONFIG_IA64_GENERIC) 	+= arch/ia64/dig/
 core-$(CONFIG_IA64_HP_ZX1)      += arch/ia64/dig/
 core-$(CONFIG_IA64_HP_ZX1_SWIOTLB) += arch/ia64/dig/
 core-$(CONFIG_IA64_SGI_SN2)     += arch/ia64/sn/
+core-$(CONFIG_IA64_SGI_UV)      += arch/ia64/uv/
 core-$(CONFIG_KVM)              += arch/ia64/kvm/
 
 drivers-$(CONFIG_PCI)           += arch/ia64/pci/
diff --git a/arch/ia64/kernel/iosapic.c b/arch/ia64/kernel/iosapic.c
index 082c31dcfd99..39752cdef6ff 100644
--- a/arch/ia64/kernel/iosapic.c
+++ b/arch/ia64/kernel/iosapic.c
@@ -558,8 +558,6 @@ static struct iosapic_rte_info * __init_refok iosapic_alloc_rte (void)
         if (!iosapic_kmalloc_ok && list_empty(&free_rte_list)) {
                 rte = alloc_bootmem(sizeof(struct iosapic_rte_info) *
                                     NR_PREALLOCATE_RTE_ENTRIES);
-                if (!rte)
-                        return NULL;
                 for (i = 0; i < NR_PREALLOCATE_RTE_ENTRIES; i++, rte++)
                         list_add(&rte->rte_list, &free_rte_list);
         }
diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index 71d05133f556..7714a97b0104 100644
--- a/arch/ia64/kernel/perfmon.c
+++ b/arch/ia64/kernel/perfmon.c
@@ -1864,11 +1864,6 @@ pfm_flush(struct file *filp, fl_owner_t id)
          * invoked after, it will find an empty queue and no
          * signal will be sent. In both case, we are safe
          */
-        if (filp->f_flags & FASYNC) {
-                DPRINT(("cleaning up async_queue=%p\n", ctx->ctx_async_queue));
-                pfm_do_fasync (-1, filp, ctx, 0);
-        }
-
         PROTECT_CTX(ctx, flags);
 
         state     = ctx->ctx_state;
@@ -1999,6 +1994,11 @@ pfm_close(struct inode *inode, struct file *filp)
                 return -EBADF;
         }
 
+        if (filp->f_flags & FASYNC) {
+                DPRINT(("cleaning up async_queue=%p\n", ctx->ctx_async_queue));
+                pfm_do_fasync(-1, filp, ctx, 0);
+        }
+
         PROTECT_CTX(ctx, flags);
 
         state     = ctx->ctx_state;
diff --git a/arch/ia64/kernel/sal.c b/arch/ia64/kernel/sal.c
index 7e0259709c04..0464173ea568 100644
--- a/arch/ia64/kernel/sal.c
+++ b/arch/ia64/kernel/sal.c
@@ -252,11 +252,10 @@ check_sal_cache_flush (void)
         local_irq_save(flags);
 
         /*
-         * Schedule a timer interrupt, wait until it's reported, and see if
-         * SAL_CACHE_FLUSH drops it.
+         * Send ourselves a timer interrupt, wait until it's reported, and see
+         * if SAL_CACHE_FLUSH drops it.
          */
-        ia64_set_itv(IA64_TIMER_VECTOR);
-        ia64_set_itm(ia64_get_itc() + 1000);
+        platform_send_ipi(cpu, IA64_TIMER_VECTOR, IA64_IPI_DM_INT, 0);
 
         while (!ia64_get_irr(IA64_TIMER_VECTOR))
                 cpu_relax();
diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c
index f48a809c686d..632cda8f2e76 100644
--- a/arch/ia64/kernel/setup.c
+++ b/arch/ia64/kernel/setup.c
@@ -547,7 +547,8 @@ setup_arch (char **cmdline_p)
 # ifdef CONFIG_ACPI_NUMA
         acpi_numa_init();
         per_cpu_scan_finalize((cpus_weight(early_cpu_possible_map) == 0 ?
-                32 : cpus_weight(early_cpu_possible_map)), additional_cpus);
+                32 : cpus_weight(early_cpu_possible_map)),
+                additional_cpus > 0 ? additional_cpus : 0);
 # endif
 #else
 # ifdef CONFIG_SMP
@@ -578,8 +579,6 @@ setup_arch (char **cmdline_p)
         cpu_init();     /* initialize the bootstrap CPU */
         mmu_context_init();     /* initialize context_id bitmap */
 
-        check_sal_cache_flush();
-
 #ifdef CONFIG_ACPI
         acpi_boot_init();
 #endif
@@ -607,6 +606,7 @@ setup_arch (char **cmdline_p)
                 ia64_mca_init();
 
         platform_setup(cmdline_p);
+        check_sal_cache_flush();
         paging_init();
 }
 
diff --git a/arch/ia64/kernel/time.c b/arch/ia64/kernel/time.c
index 8c73643f2d66..aad1b7b1fff9 100644
--- a/arch/ia64/kernel/time.c
+++ b/arch/ia64/kernel/time.c
@@ -117,6 +117,7 @@ void account_system_vtime(struct task_struct *tsk)
 
         local_irq_restore(flags);
 }
+EXPORT_SYMBOL_GPL(account_system_vtime);
 
 /*
  * Called from the timer interrupt handler to charge accumulated user time
diff --git a/arch/ia64/sn/kernel/sn2/sn2_smp.c b/arch/ia64/sn/kernel/sn2/sn2_smp.c
index 49d3120415eb..e585f9a2afb9 100644
--- a/arch/ia64/sn/kernel/sn2/sn2_smp.c
+++ b/arch/ia64/sn/kernel/sn2/sn2_smp.c
@@ -512,6 +512,8 @@ static ssize_t sn2_ptc_proc_write(struct file *file, const char __user *user, si
         int cpu;
         char optstr[64];
 
+        if (count == 0 || count > sizeof(optstr))
+                return -EINVAL;
         if (copy_from_user(optstr, user, count))
                 return -EFAULT;
         optstr[count - 1] = '\0';
diff --git a/arch/ia64/uv/kernel/setup.c b/arch/ia64/uv/kernel/setup.c
index 9aa743203c3c..cf5f28ae96c4 100644
--- a/arch/ia64/uv/kernel/setup.c
+++ b/arch/ia64/uv/kernel/setup.c
@@ -17,6 +17,9 @@
 DEFINE_PER_CPU(struct uv_hub_info_s, __uv_hub_info);
 EXPORT_PER_CPU_SYMBOL_GPL(__uv_hub_info);
 
+#ifdef CONFIG_IA64_SGI_UV
+int sn_prom_type;
+#endif
 
 struct redir_addr {
         unsigned long redirect;
@@ -64,6 +67,15 @@ void __init uv_setup(char **cmdline_p)
                 m_n_config.s.m_skt = 37;
                 m_n_config.s.n_skt = 0;
                 mmr_base = 0;
+#if 0
+                /* Need BIOS calls - TDB */
+                if (!ia64_sn_is_fake_prom())
+                        sn_prom_type = 1;
+                else
+#endif
+                        sn_prom_type = 2;
+                printk(KERN_INFO "Running on medusa with %s PROM\n",
+                                        (sn_prom_type == 1) ? "real" : "fake");
         } else {
                 get_lowmem_redirect(&lowmem_redir_base, &lowmem_redir_size);
                 node_id.v = uv_read_local_mmr(UVH_NODE_ID);