Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6

* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6:
  [IA64] Nail two more simple section mismatch errors
  [IA64] fix section mismatch warnings
  [IA64] rename partial_page
  [IA64] Ensure that machvec is set up takes place before serial console
  [IA64] vector-domain - fix vector_table
  [IA64] vector-domain - handle assign_irq_vector(AUTO_ASSIGN)

arch/ia64/ia32/ia32_support.c

@@ -249,11 +249,11 @@ ia32_init (void)
 
 #if PAGE_SHIFT > IA32_PAGE_SHIFT
 	{
-		extern struct kmem_cache *partial_page_cachep;
+		extern struct kmem_cache *ia64_partial_page_cachep;
 
-		partial_page_cachep = kmem_cache_create("partial_page_cache",
-						sizeof(struct partial_page),
-						0, SLAB_PANIC, NULL);
+		ia64_partial_page_cachep = kmem_cache_create("ia64_partial_page_cache",
+					sizeof(struct ia64_partial_page),
+					0, SLAB_PANIC, NULL);
 	}
 #endif
 	return 0;

arch/ia64/ia32/ia32priv.h

@@ -25,8 +25,8 @@
  * partially mapped pages provide precise accounting of which 4k sub pages
  * are mapped and which ones are not, thereby improving IA-32 compatibility.
  */
-struct partial_page {
-	struct partial_page	*next; /* linked list, sorted by address */
+struct ia64_partial_page {
+	struct ia64_partial_page *next; /* linked list, sorted by address */
 	struct rb_node		pp_rb;
 	/* 64K is the largest "normal" page supported by ia64 ABI. So 4K*64
 	 * should suffice.*/
@@ -34,17 +34,17 @@ struct partial_page {
 	unsigned int		base;
 };
 
-struct partial_page_list {
-	struct partial_page	*pp_head; /* list head, points to the lowest
+struct ia64_partial_page_list {
+	struct ia64_partial_page *pp_head; /* list head, points to the lowest
 					   * addressed partial page */
 	struct rb_root		ppl_rb;
-	struct partial_page	*pp_hint; /* pp_hint->next is the last
+	struct ia64_partial_page *pp_hint; /* pp_hint->next is the last
 					   * accessed partial page */
 	atomic_t		pp_count; /* reference count */
 };
 
 #if PAGE_SHIFT > IA32_PAGE_SHIFT
-struct partial_page_list* ia32_init_pp_list (void);
+struct ia64_partial_page_list* ia32_init_pp_list (void);
 #else
 # define ia32_init_pp_list()	0
 #endif

arch/ia64/ia32/sys_ia32.c

@@ -253,17 +253,17 @@ mmap_subpage (struct file *file, unsigned long start, unsigned long end, int pro
 	return ret;
 }
 
-/* SLAB cache for partial_page structures */
-struct kmem_cache *partial_page_cachep;
+/* SLAB cache for ia64_partial_page structures */
+struct kmem_cache *ia64_partial_page_cachep;
 
 /*
- * init partial_page_list.
+ * init ia64_partial_page_list.
  * return 0 means kmalloc fail.
  */
-struct partial_page_list*
+struct ia64_partial_page_list*
 ia32_init_pp_list(void)
 {
-	struct partial_page_list *p;
+	struct ia64_partial_page_list *p;
 
 	if ((p = kmalloc(sizeof(*p), GFP_KERNEL)) == NULL)
 		return p;
@@ -280,12 +280,12 @@ ia32_init_pp_list(void)
  * Else, return 0 and provide @pprev, @rb_link, @rb_parent to
  * be used by later __ia32_insert_pp().
  */
-static struct partial_page *
-__ia32_find_pp(struct partial_page_list *ppl, unsigned int start,
-	struct partial_page **pprev, struct rb_node ***rb_link,
+static struct ia64_partial_page *
+__ia32_find_pp(struct ia64_partial_page_list *ppl, unsigned int start,
+	struct ia64_partial_page **pprev, struct rb_node ***rb_link,
 	struct rb_node **rb_parent)
 {
-	struct partial_page *pp;
+	struct ia64_partial_page *pp;
 	struct rb_node **__rb_link, *__rb_parent, *rb_prev;
 
 	pp = ppl->pp_hint;
@@ -297,7 +297,7 @@ __ia32_find_pp(struct partial_page_list *ppl, unsigned int start,
 
 	while (*__rb_link) {
 		__rb_parent = *__rb_link;
-		pp = rb_entry(__rb_parent, struct partial_page, pp_rb);
+		pp = rb_entry(__rb_parent, struct ia64_partial_page, pp_rb);
 
 		if (pp->base == start) {
 			ppl->pp_hint = pp;
@@ -314,7 +314,7 @@ __ia32_find_pp(struct partial_page_list *ppl, unsigned int start,
 	*rb_parent = __rb_parent;
 	*pprev = NULL;
 	if (rb_prev)
-		*pprev = rb_entry(rb_prev, struct partial_page, pp_rb);
+		*pprev = rb_entry(rb_prev, struct ia64_partial_page, pp_rb);
 	return NULL;
 }
 
@@ -322,9 +322,9 @@ __ia32_find_pp(struct partial_page_list *ppl, unsigned int start,
  * insert @pp into @ppl.
  */
 static void
-__ia32_insert_pp(struct partial_page_list *ppl, struct partial_page *pp,
-	 struct partial_page *prev, struct rb_node **rb_link,
-	struct rb_node *rb_parent)
+__ia32_insert_pp(struct ia64_partial_page_list *ppl,
+	struct ia64_partial_page *pp, struct ia64_partial_page *prev,
+	struct rb_node **rb_link, struct rb_node *rb_parent)
 {
 	/* link list */
 	if (prev) {
@@ -334,7 +334,7 @@ __ia32_insert_pp(struct partial_page_list *ppl, struct partial_page *pp,
 		ppl->pp_head = pp;
 		if (rb_parent)
 			pp->next = rb_entry(rb_parent,
-				struct partial_page, pp_rb);
+				struct ia64_partial_page, pp_rb);
 		else
 			pp->next = NULL;
 	}
@@ -350,8 +350,8 @@ __ia32_insert_pp(struct partial_page_list *ppl, struct partial_page *pp,
  * delete @pp from partial page list @ppl.
  */
 static void
-__ia32_delete_pp(struct partial_page_list *ppl, struct partial_page *pp,
-	struct partial_page *prev)
+__ia32_delete_pp(struct ia64_partial_page_list *ppl,
+	struct ia64_partial_page *pp, struct ia64_partial_page *prev)
 {
 	if (prev) {
 		prev->next = pp->next;
@@ -363,15 +363,15 @@ __ia32_delete_pp(struct partial_page_list *ppl, struct partial_page *pp,
 			ppl->pp_hint = pp->next;
 	}
 	rb_erase(&pp->pp_rb, &ppl->ppl_rb);
-	kmem_cache_free(partial_page_cachep, pp);
+	kmem_cache_free(ia64_partial_page_cachep, pp);
 }
 
-static struct partial_page *
-__pp_prev(struct partial_page *pp)
+static struct ia64_partial_page *
+__pp_prev(struct ia64_partial_page *pp)
 {
 	struct rb_node *prev = rb_prev(&pp->pp_rb);
 	if (prev)
-		return rb_entry(prev, struct partial_page, pp_rb);
+		return rb_entry(prev, struct ia64_partial_page, pp_rb);
 	else
 		return NULL;
 }
@@ -383,7 +383,7 @@ __pp_prev(struct partial_page *pp)
 static void
 __ia32_delete_pp_range(unsigned int start, unsigned int end)
 {
-	struct partial_page *pp, *prev;
+	struct ia64_partial_page *pp, *prev;
 	struct rb_node **rb_link, *rb_parent;
 
 	if (start >= end)
@@ -401,7 +401,7 @@ __ia32_delete_pp_range(unsigned int start, unsigned int end)
 	}
 
 	while (pp && pp->base < end) {
-		struct partial_page *tmp = pp->next;
+		struct ia64_partial_page *tmp = pp->next;
 		__ia32_delete_pp(current->thread.ppl, pp, prev);
 		pp = tmp;
 	}
@@ -414,7 +414,7 @@ __ia32_delete_pp_range(unsigned int start, unsigned int end)
 static int
 __ia32_set_pp(unsigned int start, unsigned int end, int flags)
 {
-	struct partial_page *pp, *prev;
+	struct ia64_partial_page *pp, *prev;
 	struct rb_node ** rb_link, *rb_parent;
 	unsigned int pstart, start_bit, end_bit, i;
 
@@ -450,8 +450,8 @@ __ia32_set_pp(unsigned int start, unsigned int end, int flags)
 			return 0;
 	}
 
-	/* new a partial_page */
-	pp = kmem_cache_alloc(partial_page_cachep, GFP_KERNEL);
+	/* new a ia64_partial_page */
+	pp = kmem_cache_alloc(ia64_partial_page_cachep, GFP_KERNEL);
 	if (!pp)
 		return -ENOMEM;
 	pp->base = pstart;
@@ -504,7 +504,7 @@ ia32_set_pp(unsigned int start, unsigned int end, int flags)
 static int
 __ia32_unset_pp(unsigned int start, unsigned int end)
 {
-	struct partial_page *pp, *prev;
+	struct ia64_partial_page *pp, *prev;
 	struct rb_node ** rb_link, *rb_parent;
 	unsigned int pstart, start_bit, end_bit, i;
 	struct vm_area_struct *vma;
@@ -532,8 +532,8 @@ __ia32_unset_pp(unsigned int start, unsigned int end)
 		return -ENOMEM;
 	}
 
-	/* new a partial_page */
-	pp = kmem_cache_alloc(partial_page_cachep, GFP_KERNEL);
+	/* new a ia64_partial_page */
+	pp = kmem_cache_alloc(ia64_partial_page_cachep, GFP_KERNEL);
 	if (!pp)
 		return -ENOMEM;
 	pp->base = pstart;
@@ -605,7 +605,7 @@ ia32_unset_pp(unsigned int *startp, unsigned int *endp)
 static int
 __ia32_compare_pp(unsigned int start, unsigned int end)
 {
-	struct partial_page *pp, *prev;
+	struct ia64_partial_page *pp, *prev;
 	struct rb_node ** rb_link, *rb_parent;
 	unsigned int pstart, start_bit, end_bit, size;
 	unsigned int first_bit, next_zero_bit;	/* the first range in bitmap */
@@ -682,13 +682,13 @@ ia32_compare_pp(unsigned int *startp, unsigned int *endp)
 }
 
 static void
-__ia32_drop_pp_list(struct partial_page_list *ppl)
+__ia32_drop_pp_list(struct ia64_partial_page_list *ppl)
 {
-	struct partial_page *pp = ppl->pp_head;
+	struct ia64_partial_page *pp = ppl->pp_head;
 
 	while (pp) {
-		struct partial_page *next = pp->next;
-		kmem_cache_free(partial_page_cachep, pp);
+		struct ia64_partial_page *next = pp->next;
+		kmem_cache_free(ia64_partial_page_cachep, pp);
 		pp = next;
 	}
 
@@ -696,9 +696,9 @@ __ia32_drop_pp_list(struct partial_page_list *ppl)
 }
 
 void
-ia32_drop_partial_page_list(struct task_struct *task)
+ia32_drop_ia64_partial_page_list(struct task_struct *task)
 {
-	struct partial_page_list* ppl = task->thread.ppl;
+	struct ia64_partial_page_list* ppl = task->thread.ppl;
 
 	if (ppl && atomic_dec_and_test(&ppl->pp_count))
 		__ia32_drop_pp_list(ppl);
@@ -708,9 +708,9 @@ ia32_drop_partial_page_list(struct task_struct *task)
  * Copy current->thread.ppl to ppl (already initialized).
  */
 static int
-__ia32_copy_pp_list(struct partial_page_list *ppl)
+__ia32_copy_pp_list(struct ia64_partial_page_list *ppl)
 {
-	struct partial_page *pp, *tmp, *prev;
+	struct ia64_partial_page *pp, *tmp, *prev;
 	struct rb_node **rb_link, *rb_parent;
 
 	ppl->pp_head = NULL;
@@ -721,7 +721,7 @@ __ia32_copy_pp_list(struct partial_page_list *ppl)
 	prev = NULL;
 
 	for (pp = current->thread.ppl->pp_head; pp; pp = pp->next) {
-		tmp = kmem_cache_alloc(partial_page_cachep, GFP_KERNEL);
+		tmp = kmem_cache_alloc(ia64_partial_page_cachep, GFP_KERNEL);
 		if (!tmp)
 			return -ENOMEM;
 		*tmp = *pp;
@@ -734,7 +734,8 @@ __ia32_copy_pp_list(struct partial_page_list *ppl)
 }
 
 int
-ia32_copy_partial_page_list(struct task_struct *p, unsigned long clone_flags)
+ia32_copy_ia64_partial_page_list(struct task_struct *p,
+				unsigned long clone_flags)
 {
 	int retval = 0;
 

arch/ia64/kernel/head.S

@@ -178,7 +178,7 @@ swapper_pg_dir:
 halt_msg:
 	stringz "Halting kernel\n"
 
-	.text
+	.section .text.head,"ax"
 
 	.global start_ap
 
@@ -392,6 +392,8 @@ self:	hint @pause
 	br.sptk.many self		// endless loop
 END(_start)
 
+	.text
+
 GLOBAL_ENTRY(ia64_save_debug_regs)
 	alloc r16=ar.pfs,1,0,0,0
 	mov r20=ar.lc			// preserve ar.lc

arch/ia64/kernel/irq_ia64.c

@@ -85,8 +85,8 @@ DEFINE_PER_CPU(int[IA64_NUM_VECTORS], vector_irq) = {
 	[0 ... IA64_NUM_VECTORS - 1] = IA64_SPURIOUS_INT_VECTOR
 };
 
-static cpumask_t vector_table[IA64_MAX_DEVICE_VECTORS] = {
-	[0 ... IA64_MAX_DEVICE_VECTORS - 1] = CPU_MASK_NONE
+static cpumask_t vector_table[IA64_NUM_VECTORS] = {
+	[0 ... IA64_NUM_VECTORS - 1] = CPU_MASK_NONE
 };
 
 static int irq_status[NR_IRQS] = {
@@ -123,17 +123,18 @@ static inline int find_unassigned_irq(void)
 static inline int find_unassigned_vector(cpumask_t domain)
 {
 	cpumask_t mask;
-	int pos;
+	int pos, vector;
 
 	cpus_and(mask, domain, cpu_online_map);
 	if (cpus_empty(mask))
 		return -EINVAL;
 
 	for (pos = 0; pos < IA64_NUM_DEVICE_VECTORS; pos++) {
-		cpus_and(mask, domain, vector_table[pos]);
+		vector = IA64_FIRST_DEVICE_VECTOR + pos;
+		cpus_and(mask, domain, vector_table[vector]);
 		if (!cpus_empty(mask))
 			continue;
-		return IA64_FIRST_DEVICE_VECTOR + pos;
+		return vector;
 	}
 	return -ENOSPC;
 }
@@ -141,7 +142,7 @@ static inline int find_unassigned_vector(cpumask_t domain)
 static int __bind_irq_vector(int irq, int vector, cpumask_t domain)
 {
 	cpumask_t mask;
-	int cpu, pos;
+	int cpu;
 	struct irq_cfg *cfg = &irq_cfg[irq];
 
 	cpus_and(mask, domain, cpu_online_map);
@@ -156,8 +157,7 @@ static int __bind_irq_vector(int irq, int vector, cpumask_t domain)
 	cfg->vector = vector;
 	cfg->domain = domain;
 	irq_status[irq] = IRQ_USED;
-	pos = vector - IA64_FIRST_DEVICE_VECTOR;
-	cpus_or(vector_table[pos], vector_table[pos], domain);
+	cpus_or(vector_table[vector], vector_table[vector], domain);
 	return 0;
 }
 
@@ -174,7 +174,7 @@ int bind_irq_vector(int irq, int vector, cpumask_t domain)
 
 static void __clear_irq_vector(int irq)
 {
-	int vector, cpu, pos;
+	int vector, cpu;
 	cpumask_t mask;
 	cpumask_t domain;
 	struct irq_cfg *cfg = &irq_cfg[irq];
@@ -189,8 +189,7 @@ static void __clear_irq_vector(int irq)
 	cfg->vector = IRQ_VECTOR_UNASSIGNED;
 	cfg->domain = CPU_MASK_NONE;
 	irq_status[irq] = IRQ_UNUSED;
-	pos = vector - IA64_FIRST_DEVICE_VECTOR;
-	cpus_andnot(vector_table[pos], vector_table[pos], domain);
+	cpus_andnot(vector_table[vector], vector_table[vector], domain);
 }
 
 static void clear_irq_vector(int irq)
@@ -212,9 +211,6 @@ assign_irq_vector (int irq)
 	vector = -ENOSPC;
 
 	spin_lock_irqsave(&vector_lock, flags);
-	if (irq < 0) {
-		goto out;
-	}
 	for_each_online_cpu(cpu) {
 		domain = vector_allocation_domain(cpu);
 		vector = find_unassigned_vector(domain);
@@ -223,6 +219,8 @@ assign_irq_vector (int irq)
 	}
 	if (vector < 0)
 		goto out;
+	if (irq == AUTO_ASSIGN)
+		irq = vector;
 	BUG_ON(__bind_irq_vector(irq, vector, domain));
  out:
 	spin_unlock_irqrestore(&vector_lock, flags);

arch/ia64/kernel/machvec.c

@@ -13,14 +13,6 @@
 struct ia64_machine_vector ia64_mv;
 EXPORT_SYMBOL(ia64_mv);
 
-static __initdata const char *mvec_name;
-static __init int setup_mvec(char *s)
-{
-	mvec_name = s;
-	return 0;
-}
-early_param("machvec", setup_mvec);
-
 static struct ia64_machine_vector * __init
 lookup_machvec (const char *name)
 {
@@ -41,7 +33,7 @@ machvec_init (const char *name)
 	struct ia64_machine_vector *mv;
 
 	if (!name)
-		name = mvec_name ? mvec_name : acpi_get_sysname();
+		name = acpi_get_sysname();
 	mv = lookup_machvec(name);
 	if (!mv)
 		panic("generic kernel failed to find machine vector for"
@@ -51,6 +43,23 @@ machvec_init (const char *name)
 	printk(KERN_INFO "booting generic kernel on platform %s\n", name);
 }
 
+void __init
+machvec_init_from_cmdline(const char *cmdline)
+{
+	char str[64];
+	const char *start;
+	char *end;
+
+	if (! (start = strstr(cmdline, "machvec=")) )
+		return machvec_init(NULL);
+
+	strlcpy(str, start + strlen("machvec="), sizeof(str));
+	if ( (end = strchr(str, ' ')) )
+		*end = '\0';
+
+	return machvec_init(str);
+}
+
 #endif /* CONFIG_IA64_GENERIC */
 
 void

arch/ia64/kernel/process.c

@@ -499,7 +499,8 @@ copy_thread (int nr, unsigned long clone_flags,
 
 		/* Copy partially mapped page list */
 		if (!retval)
-			retval = ia32_copy_partial_page_list(p, clone_flags);
+			retval = ia32_copy_ia64_partial_page_list(p,
+								clone_flags);
 	}
 #endif
 
@@ -728,7 +729,7 @@ flush_thread (void)
 	ia64_drop_fpu(current);
 #ifdef CONFIG_IA32_SUPPORT
 	if (IS_IA32_PROCESS(task_pt_regs(current))) {
-		ia32_drop_partial_page_list(current);
+		ia32_drop_ia64_partial_page_list(current);
 		current->thread.task_size = IA32_PAGE_OFFSET;
 		set_fs(USER_DS);
 	}
@@ -754,7 +755,7 @@ exit_thread (void)
 		pfm_release_debug_registers(current);
 #endif
 	if (IS_IA32_PROCESS(task_pt_regs(current)))
-		ia32_drop_partial_page_list(current);
+		ia32_drop_ia64_partial_page_list(current);
 }
 
 unsigned long

arch/ia64/kernel/setup.c

@@ -491,12 +491,17 @@ setup_arch (char **cmdline_p)
 	efi_init();
 	io_port_init();
 
-	parse_early_param();
-
 #ifdef CONFIG_IA64_GENERIC
-	machvec_init(NULL);
+	/* machvec needs to be parsed from the command line
+	 * before parse_early_param() is called to ensure
+	 * that ia64_mv is initialised before any command line
+	 * settings may cause console setup to occur
+	 */
+	machvec_init_from_cmdline(*cmdline_p);
 #endif
 
+	parse_early_param();
+
 	if (early_console_setup(*cmdline_p) == 0)
 		mark_bsp_online();
 

arch/ia64/kernel/smp.c

@@ -468,7 +468,7 @@ smp_send_stop (void)
 	send_IPI_allbutself(IPI_CPU_STOP);
 }
 
-int __init
+int
 setup_profiling_timer (unsigned int multiplier)
 {
 	return -EINVAL;

arch/ia64/kernel/smpboot.c

@@ -487,7 +487,7 @@ struct create_idle {
 	int cpu;
 };
 
-void
+void __cpuinit
 do_fork_idle(struct work_struct *work)
 {
 	struct create_idle *c_idle =
@@ -497,7 +497,7 @@ do_fork_idle(struct work_struct *work)
 	complete(&c_idle->done);
 }
 
-static int __devinit
+static int __cpuinit
 do_boot_cpu (int sapicid, int cpu)
 {
 	int timeout;
@@ -808,7 +808,7 @@ set_cpu_sibling_map(int cpu)
 	}
 }
 
-int __devinit
+int __cpuinit
 __cpu_up (unsigned int cpu)
 {
 	int ret;

arch/ia64/kernel/vmlinux.lds.S

@@ -50,6 +50,8 @@ SECTIONS
 	KPROBES_TEXT
 	*(.gnu.linkonce.t*)
     }
+  .text.head : AT(ADDR(.text.head) - LOAD_OFFSET)
+	{ *(.text.head) }
   .text2 : AT(ADDR(.text2) - LOAD_OFFSET)
 	{ *(.text2) }
 #ifdef CONFIG_SMP

arch/ia64/pci/pci.c

@@ -581,7 +581,7 @@ pcibios_align_resource (void *data, struct resource *res,
 /*
  * PCI BIOS setup, always defaults to SAL interface
  */
-char * __init
+char * __devinit
 pcibios_setup (char *str)
 {
 	return str;

include/asm-ia64/ia32.h

@@ -27,11 +27,12 @@ extern int ia32_clone_tls (struct task_struct *child, struct pt_regs *childregs)
 extern int ia32_setup_frame1 (int sig, struct k_sigaction *ka, siginfo_t *info,
 			      sigset_t *set, struct pt_regs *regs);
 #if PAGE_SHIFT > IA32_PAGE_SHIFT
-extern int ia32_copy_partial_page_list (struct task_struct *, unsigned long);
-extern void ia32_drop_partial_page_list (struct task_struct *);
+extern int ia32_copy_ia64_partial_page_list(struct task_struct *,
+					unsigned long);
+extern void ia32_drop_ia64_partial_page_list(struct task_struct *);
 #else
-# define ia32_copy_partial_page_list(a1, a2)	0
-# define ia32_drop_partial_page_list(a1)	do { ; } while (0)
+# define ia32_copy_ia64_partial_page_list(a1, a2)	0
+# define ia32_drop_ia64_partial_page_list(a1)	do { ; } while (0)
 #endif
 
 #endif /* !__ASSEMBLY__ */

include/asm-ia64/machvec.h

@@ -275,6 +275,7 @@ struct ia64_machine_vector {
 
 extern struct ia64_machine_vector ia64_mv;
 extern void machvec_init (const char *name);
+extern void machvec_init_from_cmdline(const char *cmdline);
 
 # else
 #  error Unknown configuration.  Update asm-ia64/machvec.h.

include/asm-ia64/processor.h

@@ -220,7 +220,7 @@ struct desc_struct {
 
 #define TLS_SIZE (GDT_ENTRY_TLS_ENTRIES * 8)
 
-struct partial_page_list;
+struct ia64_partial_page_list;
 #endif
 
 struct thread_struct {
@@ -242,7 +242,7 @@ struct thread_struct {
 	__u64 fdr;			/* IA32 fp except. data reg */
 	__u64 old_k1;			/* old value of ar.k1 */
 	__u64 old_iob;			/* old IOBase value */
-	struct partial_page_list *ppl;	/* partial page list for 4K page size issue */
+	struct ia64_partial_page_list *ppl; /* partial page list for 4K page size issue */
         /* cached TLS descriptors. */
 	struct desc_struct tls_array[GDT_ENTRY_TLS_ENTRIES];
 

include/asm-ia64/smp.h

@@ -116,7 +116,6 @@ max_xtp (void)
 extern int __cpu_disable (void);
 extern void __cpu_die (unsigned int cpu);
 extern void cpu_die (void) __attribute__ ((noreturn));
-extern int __cpu_up (unsigned int cpu);
 extern void __init smp_build_cpu_map(void);
 
 extern void __init init_smp_config (void);