diff --git a/arch/ia64/kernel/asm-offsets.c b/arch/ia64/kernel/asm-offsets.c
index 75a2a2c12258179b53fb1b76b0243ef3d9cf602d..2236fabbb3c60fcf6453a8b07a1448b9cb09e6bd 100644
--- a/arch/ia64/kernel/asm-offsets.c
+++ b/arch/ia64/kernel/asm-offsets.c
@@ -35,6 +35,7 @@ void foo(void)
 	BLANK();
 
 	DEFINE(TI_FLAGS, offsetof(struct thread_info, flags));
+	DEFINE(TI_CPU, offsetof(struct thread_info, cpu));
 	DEFINE(TI_PRE_COUNT, offsetof(struct thread_info, preempt_count));
 
 	BLANK();
diff --git a/arch/ia64/kernel/efi.c b/arch/ia64/kernel/efi.c
index 4061593e5b174a1f74b718cebda66bf118f7cf82..49b93682c75279956a98650696ec5adfd46554ad 100644
--- a/arch/ia64/kernel/efi.c
+++ b/arch/ia64/kernel/efi.c
@@ -971,6 +971,11 @@ efi_memmap_init(unsigned long *s, unsigned long *e)
 		if (!is_memory_available(md))
 			continue;
 
+#ifdef CONFIG_CRASH_DUMP
+		/* saved_max_pfn should ignore max_addr= command line arg */
+		if (saved_max_pfn < (efi_md_end(md) >> PAGE_SHIFT))
+			saved_max_pfn = (efi_md_end(md) >> PAGE_SHIFT);
+#endif
 		/*
 		 * Round ends inward to granule boundaries
 		 * Give trimmings to uncached allocator
@@ -1010,11 +1015,6 @@ efi_memmap_init(unsigned long *s, unsigned long *e)
 		} else
 			ae = efi_md_end(md);
 
-#ifdef CONFIG_CRASH_DUMP
-		/* saved_max_pfn should ignore max_addr= command line arg */
-		if (saved_max_pfn < (ae >> PAGE_SHIFT))
-			saved_max_pfn = (ae >> PAGE_SHIFT);
-#endif
 		/* keep within max_addr= and min_addr= command line arg */
 		as = max(as, min_addr);
 		ae = min(ae, max_addr);
diff --git a/arch/ia64/kernel/fsys.S b/arch/ia64/kernel/fsys.S
index 7a05b1cb2ad5289598d50c200ded84de399c6b8d..8589e84a27c66119e9297757673faa198d70a4fa 100644
--- a/arch/ia64/kernel/fsys.S
+++ b/arch/ia64/kernel/fsys.S
@@ -10,6 +10,8 @@
  *			probably broke it along the way... ;-)
  * 13-Jul-04 clameter   Implement fsys_clock_gettime and revise fsys_gettimeofday to make
  *                      it capable of using memory based clocks without falling back to C code.
+ * 08-Feb-07 Fenghua Yu Implement fsys_getcpu.
+ *
  */
 
 #include <asm/asmmacro.h>
@@ -505,6 +507,59 @@ EX(.fail_efault, (p15) st8 [r34]=r3)
 #endif
 END(fsys_rt_sigprocmask)
 
+/*
+ * fsys_getcpu doesn't use the third parameter in this implementation. It reads
+ * current_thread_info()->cpu and corresponding node in cpu_to_node_map.
+ */
+ENTRY(fsys_getcpu)
+	.prologue
+	.altrp b6
+	.body
+	;;
+	add r2=TI_FLAGS+IA64_TASK_SIZE,r16
+	tnat.nz p6,p0 = r32			// guard against NaT argument
+	add r3=TI_CPU+IA64_TASK_SIZE,r16
+	;;
+	ld4 r3=[r3]				// M r3 = thread_info->cpu
+	ld4 r2=[r2]				// M r2 = thread_info->flags
+(p6)    br.cond.spnt.few .fail_einval		// B
+	;;
+	tnat.nz p7,p0 = r33			// I guard against NaT argument
+(p7)    br.cond.spnt.few .fail_einval		// B
+#ifdef CONFIG_NUMA
+	movl r17=cpu_to_node_map
+	;;
+EX(.fail_efault, probe.w.fault r32, 3)		// M This takes 5 cycles
+EX(.fail_efault, probe.w.fault r33, 3)		// M This takes 5 cycles
+	shladd r18=r3,1,r17
+	;;
+	ld2 r20=[r18]				// r20 = cpu_to_node_map[cpu]
+	and r2 = TIF_ALLWORK_MASK,r2
+	;;
+	cmp.ne p8,p0=0,r2
+(p8)	br.spnt.many fsys_fallback_syscall
+	;;
+	;;
+EX(.fail_efault, st4 [r32] = r3)
+EX(.fail_efault, st2 [r33] = r20)
+	mov r8=0
+	;;
+#else
+EX(.fail_efault, probe.w.fault r32, 3)		// M This takes 5 cycles
+EX(.fail_efault, probe.w.fault r33, 3)		// M This takes 5 cycles
+	and r2 = TIF_ALLWORK_MASK,r2
+	;;
+	cmp.ne p8,p0=0,r2
+(p8)	br.spnt.many fsys_fallback_syscall
+	;;
+EX(.fail_efault, st4 [r32] = r3)
+EX(.fail_efault, st2 [r33] = r0)
+	mov r8=0
+	;;
+#endif
+	FSYS_RETURN
+END(fsys_getcpu)
+
 ENTRY(fsys_fallback_syscall)
 	.prologue
 	.altrp b6
@@ -878,6 +933,56 @@ fsyscall_table:
 	data8 0				// timer_delete
 	data8 0				// clock_settime
 	data8 fsys_clock_gettime	// clock_gettime
+	data8 0				// clock_getres		// 1255
+	data8 0				// clock_nanosleep
+	data8 0				// fstatfs64
+	data8 0				// statfs64
+	data8 0				// mbind
+	data8 0				// get_mempolicy	// 1260
+	data8 0				// set_mempolicy
+	data8 0				// mq_open
+	data8 0				// mq_unlink
+	data8 0				// mq_timedsend
+	data8 0				// mq_timedreceive	// 1265
+	data8 0				// mq_notify
+	data8 0				// mq_getsetattr
+	data8 0				// kexec_load
+	data8 0				// vserver
+	data8 0				// waitid		// 1270
+	data8 0				// add_key
+	data8 0				// request_key
+	data8 0				// keyctl
+	data8 0				// ioprio_set
+	data8 0				// ioprio_get		// 1275
+	data8 0				// move_pages
+	data8 0				// inotify_init
+	data8 0				// inotify_add_watch
+	data8 0				// inotify_rm_watch
+	data8 0				// migrate_pages	// 1280
+	data8 0				// openat
+	data8 0				// mkdirat
+	data8 0				// mknodat
+	data8 0				// fchownat
+	data8 0				// futimesat		// 1285
+	data8 0				// newfstatat
+	data8 0				// unlinkat
+	data8 0				// renameat
+	data8 0				// linkat
+	data8 0				// symlinkat		// 1290
+	data8 0				// readlinkat
+	data8 0				// fchmodat
+	data8 0				// faccessat
+	data8 0
+	data8 0							// 1295
+	data8 0				// unshare
+	data8 0				// splice
+	data8 0				// set_robust_list
+	data8 0				// get_robust_list
+	data8 0				// sync_file_range	// 1300
+	data8 0				// tee
+	data8 0				// vmsplice
+	data8 0
+	data8 fsys_getcpu		// getcpu		// 1304
 
 	// fill in zeros for the remaining entries
 	.zero:
diff --git a/arch/ia64/kernel/iosapic.c b/arch/ia64/kernel/iosapic.c
index d6aab40c64166ecdf6ae8c3529134e46ac4cd7a6..dcfbf3e7a9ef6113e90e07e7f0c79901995116c1 100644
--- a/arch/ia64/kernel/iosapic.c
+++ b/arch/ia64/kernel/iosapic.c
@@ -446,7 +446,7 @@ iosapic_end_level_irq (unsigned int irq)
 #define iosapic_disable_level_irq	mask_irq
 #define iosapic_ack_level_irq		nop
 
-struct hw_interrupt_type irq_type_iosapic_level = {
+struct irq_chip irq_type_iosapic_level = {
 	.name =		"IO-SAPIC-level",
 	.startup =	iosapic_startup_level_irq,
 	.shutdown =	iosapic_shutdown_level_irq,
@@ -454,6 +454,8 @@ struct hw_interrupt_type irq_type_iosapic_level = {
 	.disable =	iosapic_disable_level_irq,
 	.ack =		iosapic_ack_level_irq,
 	.end =		iosapic_end_level_irq,
+	.mask =		mask_irq,
+	.unmask =	unmask_irq,
 	.set_affinity =	iosapic_set_affinity
 };
 
@@ -493,7 +495,7 @@ iosapic_ack_edge_irq (unsigned int irq)
 #define iosapic_disable_edge_irq	nop
 #define iosapic_end_edge_irq		nop
 
-struct hw_interrupt_type irq_type_iosapic_edge = {
+struct irq_chip irq_type_iosapic_edge = {
 	.name =		"IO-SAPIC-edge",
 	.startup =	iosapic_startup_edge_irq,
 	.shutdown =	iosapic_disable_edge_irq,
@@ -501,6 +503,8 @@ struct hw_interrupt_type irq_type_iosapic_edge = {
 	.disable =	iosapic_disable_edge_irq,
 	.ack =		iosapic_ack_edge_irq,
 	.end =		iosapic_end_edge_irq,
+	.mask =		mask_irq,
+	.unmask =	unmask_irq,
 	.set_affinity =	iosapic_set_affinity
 };
 
diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c
index 7d6fe65c93f434e5b329973de95783500354e5a6..339e8a54c2f1dc860eb8e0279b6a5ca88eb77cf9 100644
--- a/arch/ia64/kernel/setup.c
+++ b/arch/ia64/kernel/setup.c
@@ -91,8 +91,6 @@ static struct resource code_resource = {
 	.name	= "Kernel code",
 	.flags	= IORESOURCE_BUSY | IORESOURCE_MEM
 };
-extern void efi_initialize_iomem_resources(struct resource *,
-		struct resource *);
 extern char _text[], _end[], _etext[];
 
 unsigned long ia64_max_cacheline_size;
diff --git a/arch/ia64/sn/kernel/irq.c b/arch/ia64/sn/kernel/irq.c
index 8c5bee01eaa28cf5e4666aa617194ed927cf581c..8d2a1bfbfe7c03f4d4b7e687fbf1a978d5dd1c71 100644
--- a/arch/ia64/sn/kernel/irq.c
+++ b/arch/ia64/sn/kernel/irq.c
@@ -205,7 +205,17 @@ static void sn_set_affinity_irq(unsigned int irq, cpumask_t mask)
 		(void)sn_retarget_vector(sn_irq_info, nasid, slice);
 }
 
-struct hw_interrupt_type irq_type_sn = {
+static void
+sn_mask_irq(unsigned int irq)
+{
+}
+
+static void
+sn_unmask_irq(unsigned int irq)
+{
+}
+
+struct irq_chip irq_type_sn = {
 	.name		= "SN hub",
 	.startup	= sn_startup_irq,
 	.shutdown	= sn_shutdown_irq,
@@ -213,6 +223,8 @@ struct hw_interrupt_type irq_type_sn = {
 	.disable	= sn_disable_irq,
 	.ack		= sn_ack_irq,
 	.end		= sn_end_irq,
+	.mask		= sn_mask_irq,
+	.unmask		= sn_unmask_irq,
 	.set_affinity	= sn_set_affinity_irq
 };