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] New IA64 core/thread detection patch
  [IA64] Increase max node count on SN platforms
  [IA64] Increase max node count on SN platforms
  [IA64] Increase max node count on SN platforms
  [IA64] Increase max node count on SN platforms
  [IA64] Tollhouse HP: IA64 arch changes
  [IA64] cleanup dig_irq_init
  [IA64] MCA recovery: kernel context recovery table
  IA64: Use early_parm to handle mvec_name and nomca
  [IA64] move patchlist and machvec into init section
  [IA64] add init declaration - nolwsys
  [IA64] add init declaration - gate page functions
  [IA64] add init declaration to memory initialization functions
  [IA64] add init declaration to cpu initialization functions
  [IA64] add __init declaration to mca functions
  [IA64] Ignore disabled Local SAPIC Affinity Structure in SRAT
  [IA64] sn_check_intr: use ia64_get_irr()
  [IA64] fix ia64 is_hugepage_only_range

12 files changed, 220 insertions, 226 deletions

diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c
index 4722ec5..a4e218c 100644
--- a/arch/ia64/kernel/acpi.c
+++ b/arch/ia64/kernel/acpi.c
@@ -420,6 +420,26 @@ int __devinitdata pxm_to_nid_map[MAX_PXM_DOMAINS];
 int __initdata nid_to_pxm_map[MAX_NUMNODES];
 static struct acpi_table_slit __initdata *slit_table;
 
+static int get_processor_proximity_domain(struct acpi_table_processor_affinity *pa)
+{
+	int pxm;
+
+	pxm = pa->proximity_domain;
+	if (ia64_platform_is("sn2"))
+		pxm += pa->reserved[0] << 8;
+	return pxm;
+}
+
+static int get_memory_proximity_domain(struct acpi_table_memory_affinity *ma)
+{
+	int pxm;
+
+	pxm = ma->proximity_domain;
+	if (ia64_platform_is("sn2"))
+		pxm += ma->reserved1[0] << 8;
+	return pxm;
+}
+
 /*
  * ACPI 2.0 SLIT (System Locality Information Table)
  * http://devresource.hp.com/devresource/Docs/TechPapers/IA64/slit.pdf
@@ -443,13 +463,20 @@ void __init acpi_numa_slit_init(struct acpi_table_slit *slit)
 void __init
 acpi_numa_processor_affinity_init(struct acpi_table_processor_affinity *pa)
 {
+	int pxm;
+
+	if (!pa->flags.enabled)
+		return;
+
+	pxm = get_processor_proximity_domain(pa);
+
 	/* record this node in proximity bitmap */
-	pxm_bit_set(pa->proximity_domain);
+	pxm_bit_set(pxm);
 
 	node_cpuid[srat_num_cpus].phys_id =
 	    (pa->apic_id << 8) | (pa->lsapic_eid);
 	/* nid should be overridden as logical node id later */
-	node_cpuid[srat_num_cpus].nid = pa->proximity_domain;
+	node_cpuid[srat_num_cpus].nid = pxm;
 	srat_num_cpus++;
 }
 
@@ -457,10 +484,10 @@ void __init
 acpi_numa_memory_affinity_init(struct acpi_table_memory_affinity *ma)
 {
 	unsigned long paddr, size;
-	u8 pxm;
+	int pxm;
 	struct node_memblk_s *p, *q, *pend;
 
-	pxm = ma->proximity_domain;
+	pxm = get_memory_proximity_domain(ma);
 
 	/* fill node memory chunk structure */
 	paddr = ma->base_addr_hi;
diff --git a/arch/ia64/kernel/ivt.S b/arch/ia64/kernel/ivt.S
index dcd906f..829a43c 100644
--- a/arch/ia64/kernel/ivt.S
+++ b/arch/ia64/kernel/ivt.S
@@ -865,6 +865,7 @@ ENTRY(interrupt)
 	;;
 	SAVE_REST
 	;;
+	MCA_RECOVER_RANGE(interrupt)
 	alloc r14=ar.pfs,0,0,2,0 // must be first in an insn group
 	mov out0=cr.ivr		// pass cr.ivr as first arg
 	add out1=16,sp		// pass pointer to pt_regs as second arg
diff --git a/arch/ia64/kernel/machvec.c b/arch/ia64/kernel/machvec.c
index c3a04ee..4b0b71d 100644
--- a/arch/ia64/kernel/machvec.c
+++ b/arch/ia64/kernel/machvec.c
@@ -14,7 +14,15 @@
 struct ia64_machine_vector ia64_mv;
 EXPORT_SYMBOL(ia64_mv);
 
-static struct ia64_machine_vector *
+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)
 {
 	extern struct ia64_machine_vector machvec_start[];
@@ -33,10 +41,13 @@ machvec_init (const char *name)
 {
 	struct ia64_machine_vector *mv;
 
+	if (!name)
+		name = mvec_name ? mvec_name : acpi_get_sysname();
 	mv = lookup_machvec(name);
-	if (!mv) {
-		panic("generic kernel failed to find machine vector for platform %s!", name);
-	}
+	if (!mv)
+		panic("generic kernel failed to find machine vector for"
+		      " platform %s!", name);
+
 	ia64_mv = *mv;
 	printk(KERN_INFO "booting generic kernel on platform %s\n", name);
 }
diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c
index b57e723..87ff7fe 100644
--- a/arch/ia64/kernel/mca.c
+++ b/arch/ia64/kernel/mca.c
@@ -83,6 +83,7 @@
 #include <asm/irq.h>
 #include <asm/hw_irq.h>
 
+#include "mca_drv.h"
 #include "entry.h"
 
 #if defined(IA64_MCA_DEBUG_INFO)
@@ -133,7 +134,7 @@ static int cpe_poll_enabled = 1;
 
 extern void salinfo_log_wakeup(int type, u8 *buffer, u64 size, int irqsafe);
 
-static int mca_init;
+static int mca_init __initdata;
 
 
 static void inline
@@ -184,7 +185,7 @@ static ia64_state_log_t ia64_state_log[IA64_MAX_LOG_TYPES];
  * Inputs   :   info_type   (SAL_INFO_TYPE_{MCA,INIT,CMC,CPE})
  * Outputs	:	None
  */
-static void
+static void __init
 ia64_log_init(int sal_info_type)
 {
 	u64	max_size = 0;
@@ -281,6 +282,50 @@ ia64_mca_log_sal_error_record(int sal_info_type)
 		ia64_sal_clear_state_info(sal_info_type);
 }
 
+/*
+ * search_mca_table
+ *  See if the MCA surfaced in an instruction range
+ *  that has been tagged as recoverable.
+ *
+ *  Inputs
+ *	first	First address range to check
+ *	last	Last address range to check
+ *	ip	Instruction pointer, address we are looking for
+ *
+ * Return value:
+ *      1 on Success (in the table)/ 0 on Failure (not in the  table)
+ */
+int
+search_mca_table (const struct mca_table_entry *first,
+                const struct mca_table_entry *last,
+                unsigned long ip)
+{
+        const struct mca_table_entry *curr;
+        u64 curr_start, curr_end;
+
+        curr = first;
+        while (curr <= last) {
+                curr_start = (u64) &curr->start_addr + curr->start_addr;
+                curr_end = (u64) &curr->end_addr + curr->end_addr;
+
+                if ((ip >= curr_start) && (ip <= curr_end)) {
+                        return 1;
+                }
+                curr++;
+        }
+        return 0;
+}
+
+/* Given an address, look for it in the mca tables. */
+int mca_recover_range(unsigned long addr)
+{
+	extern struct mca_table_entry __start___mca_table[];
+	extern struct mca_table_entry __stop___mca_table[];
+
+	return search_mca_table(__start___mca_table, __stop___mca_table-1, addr);
+}
+EXPORT_SYMBOL_GPL(mca_recover_range);
+
 #ifdef CONFIG_ACPI
 
 int cpe_vector = -1;
@@ -355,7 +400,7 @@ ia64_mca_cpe_int_handler (int cpe_irq, void *arg, struct pt_regs *ptregs)
  *  Outputs
  *      None
  */
-static void
+static void __init
 ia64_mca_register_cpev (int cpev)
 {
 	/* Register the CPE interrupt vector with SAL */
@@ -386,7 +431,7 @@ ia64_mca_register_cpev (int cpev)
  * Outputs
  *	None
  */
-void
+void __cpuinit
 ia64_mca_cmc_vector_setup (void)
 {
 	cmcv_reg_t	cmcv;
@@ -747,31 +792,34 @@ ia64_mca_modify_original_stack(struct pt_regs *regs,
 		ia64_mca_modify_comm(previous_current);
 		goto no_mod;
 	}
-	if (r13 != sos->prev_IA64_KR_CURRENT) {
-		msg = "inconsistent previous current and r13";
-		goto no_mod;
-	}
-	if ((r12 - r13) >= KERNEL_STACK_SIZE) {
-		msg = "inconsistent r12 and r13";
-		goto no_mod;
-	}
-	if ((ar_bspstore - r13) >= KERNEL_STACK_SIZE) {
-		msg = "inconsistent ar.bspstore and r13";
-		goto no_mod;
-	}
-	va.p = old_bspstore;
-	if (va.f.reg < 5) {
-		msg = "old_bspstore is in the wrong region";
-		goto no_mod;
-	}
-	if ((ar_bsp - r13) >= KERNEL_STACK_SIZE) {
-		msg = "inconsistent ar.bsp and r13";
-		goto no_mod;
-	}
-	size += (ia64_rse_skip_regs(old_bspstore, slots) - old_bspstore) * 8;
-	if (ar_bspstore + size > r12) {
-		msg = "no room for blocked state";
-		goto no_mod;
+
+	if (!mca_recover_range(ms->pmsa_iip)) {
+		if (r13 != sos->prev_IA64_KR_CURRENT) {
+			msg = "inconsistent previous current and r13";
+			goto no_mod;
+		}
+		if ((r12 - r13) >= KERNEL_STACK_SIZE) {
+			msg = "inconsistent r12 and r13";
+			goto no_mod;
+		}
+		if ((ar_bspstore - r13) >= KERNEL_STACK_SIZE) {
+			msg = "inconsistent ar.bspstore and r13";
+			goto no_mod;
+		}
+		va.p = old_bspstore;
+		if (va.f.reg < 5) {
+			msg = "old_bspstore is in the wrong region";
+			goto no_mod;
+		}
+		if ((ar_bsp - r13) >= KERNEL_STACK_SIZE) {
+			msg = "inconsistent ar.bsp and r13";
+			goto no_mod;
+		}
+		size += (ia64_rse_skip_regs(old_bspstore, slots) - old_bspstore) * 8;
+		if (ar_bspstore + size > r12) {
+			msg = "no room for blocked state";
+			goto no_mod;
+		}
 	}
 
 	ia64_mca_modify_comm(previous_current);
@@ -1443,7 +1491,7 @@ static struct irqaction mca_cpep_irqaction = {
  * format most of the fields.
  */
 
-static void
+static void __cpuinit
 format_mca_init_stack(void *mca_data, unsigned long offset,
 		const char *type, int cpu)
 {
@@ -1467,7 +1515,7 @@ format_mca_init_stack(void *mca_data, unsigned long offset,
 
 /* Do per-CPU MCA-related initialization.  */
 
-void __devinit
+void __cpuinit
 ia64_mca_cpu_init(void *cpu_data)
 {
 	void *pal_vaddr;
diff --git a/arch/ia64/kernel/mca_drv.c b/arch/ia64/kernel/mca_drv.c
index e883d85..37c88eb 100644
--- a/arch/ia64/kernel/mca_drv.c
+++ b/arch/ia64/kernel/mca_drv.c
@@ -6,6 +6,7 @@
  * Copyright (C) Hidetoshi Seto (seto.hidetoshi@jp.fujitsu.com)
  * Copyright (C) 2005 Silicon Graphics, Inc
  * Copyright (C) 2005 Keith Owens <kaos@sgi.com>
+ * Copyright (C) 2006 Russ Anderson <rja@sgi.com>
  */
 #include <linux/config.h>
 #include <linux/types.h>
@@ -121,11 +122,12 @@ mca_page_isolate(unsigned long paddr)
  */
 
 void
-mca_handler_bh(unsigned long paddr)
+mca_handler_bh(unsigned long paddr, void *iip, unsigned long ipsr)
 {
-	printk(KERN_ERR
-		"OS_MCA: process [pid: %d](%s) encounters MCA (paddr=%lx)\n",
-		current->pid, current->comm, paddr);
+	printk(KERN_ERR "OS_MCA: process [cpu %d, pid: %d, uid: %d, "
+		"iip: %p, psr: 0x%lx,paddr: 0x%lx](%s) encounters MCA.\n",
+		raw_smp_processor_id(), current->pid, current->uid,
+		iip, ipsr, paddr, current->comm);
 
 	spin_lock(&mca_bh_lock);
 	switch (mca_page_isolate(paddr)) {
@@ -442,21 +444,26 @@ recover_from_read_error(slidx_table_t *slidx,
 	if (!peidx_bottom(peidx) || !(peidx_bottom(peidx)->valid.minstate))
 		return 0;
 	psr1 =(struct ia64_psr *)&(peidx_minstate_area(peidx)->pmsa_ipsr);
+	psr2 =(struct ia64_psr *)&(peidx_minstate_area(peidx)->pmsa_xpsr);
 
 	/*
 	 *  Check the privilege level of interrupted context.
 	 *   If it is user-mode, then terminate affected process.
 	 */
-	if (psr1->cpl != 0) {
+
+	pmsa = sos->pal_min_state;
+	if (psr1->cpl != 0 ||
+	   ((psr2->cpl != 0) && mca_recover_range(pmsa->pmsa_iip))) {
 		smei = peidx_bus_check(peidx, 0);
 		if (smei->valid.target_identifier) {
 			/*
 			 *  setup for resume to bottom half of MCA,
 			 * "mca_handler_bhhook"
 			 */
-			pmsa = sos->pal_min_state;
-			/* pass to bhhook as 1st argument (gr8) */
+			/* pass to bhhook as argument (gr8, ...) */
 			pmsa->pmsa_gr[8-1] = smei->target_identifier;
+			pmsa->pmsa_gr[9-1] = pmsa->pmsa_iip;
+			pmsa->pmsa_gr[10-1] = pmsa->pmsa_ipsr;
 			/* set interrupted return address (but no use) */
 			pmsa->pmsa_br0 = pmsa->pmsa_iip;
 			/* change resume address to bottom half */
@@ -466,6 +473,7 @@ recover_from_read_error(slidx_table_t *slidx,
 			psr2 = (struct ia64_psr *)&pmsa->pmsa_ipsr;
 			psr2->cpl = 0;
 			psr2->ri  = 0;
+			psr2->bn  = 1;
 			psr2->i  = 0;
 
 			return 1;
diff --git a/arch/ia64/kernel/mca_drv.h b/arch/ia64/kernel/mca_drv.h
index e2f6fa1..31a2e52 100644
--- a/arch/ia64/kernel/mca_drv.h
+++ b/arch/ia64/kernel/mca_drv.h
@@ -111,3 +111,10 @@ typedef struct slidx_table {
 	slidx_foreach_entry(__pos, &((slidx)->sec)) { __count++; }\
 	__count; })
 
+struct mca_table_entry {
+	int start_addr;	/* location-relative starting address of MCA recoverable range */
+	int end_addr;	/* location-relative ending address of MCA recoverable range */
+};
+
+extern const struct mca_table_entry *search_mca_tables (unsigned long addr);
+extern int mca_recover_range(unsigned long);
diff --git a/arch/ia64/kernel/mca_drv_asm.S b/arch/ia64/kernel/mca_drv_asm.S
index 3f298ee..e6a580d 100644
--- a/arch/ia64/kernel/mca_drv_asm.S
+++ b/arch/ia64/kernel/mca_drv_asm.S
@@ -14,15 +14,12 @@
 
 GLOBAL_ENTRY(mca_handler_bhhook)
 	invala				// clear RSE ?
-	;;
 	cover
 	;;
 	clrrrb
 	;;						
-	alloc	r16=ar.pfs,0,2,1,0	// make a new frame
-	;;
+	alloc	r16=ar.pfs,0,2,3,0	// make a new frame
 	mov	ar.rsc=0
-	;;
 	mov	r13=IA64_KR(CURRENT)	// current task pointer
 	;;
 	mov	r2=r13
@@ -30,7 +27,6 @@ GLOBAL_ENTRY(mca_handler_bhhook)
 	addl	r22=IA64_RBS_OFFSET,r2
 	;;
 	mov	ar.bspstore=r22
-	;;
 	addl	sp=IA64_STK_OFFSET-IA64_PT_REGS_SIZE,r2
 	;;
 	adds	r2=IA64_TASK_THREAD_ON_USTACK_OFFSET,r13
@@ -40,12 +36,12 @@ GLOBAL_ENTRY(mca_handler_bhhook)
 	movl	loc1=mca_handler_bh	// recovery C function
 	;;
 	mov	out0=r8			// poisoned address
+	mov	out1=r9			// iip
+	mov	out2=r10		// psr
 	mov	b6=loc1
 	;;
 	mov	loc1=rp
-	;;
-	ssm	psr.i
-	;;
+	ssm	psr.i | psr.ic
 	br.call.sptk.many rp=b6		// does not return ...
 	;;
 	mov	ar.pfs=loc0
@@ -53,5 +49,4 @@ GLOBAL_ENTRY(mca_handler_bhhook)
 	;;
 	mov	r8=r0
 	br.ret.sptk.many rp
-	;;
 END(mca_handler_bhhook)
diff --git a/arch/ia64/kernel/numa.c b/arch/ia64/kernel/numa.c
index a68ce66..0766493 100644
--- a/arch/ia64/kernel/numa.c
+++ b/arch/ia64/kernel/numa.c
@@ -25,7 +25,7 @@
 #include <asm/processor.h>
 #include <asm/smp.h>
 
-u8 cpu_to_node_map[NR_CPUS] __cacheline_aligned;
+u16 cpu_to_node_map[NR_CPUS] __cacheline_aligned;
 EXPORT_SYMBOL(cpu_to_node_map);
 
 cpumask_t node_to_cpu_mask[MAX_NUMNODES] __cacheline_aligned;
diff --git a/arch/ia64/kernel/patch.c b/arch/ia64/kernel/patch.c
index 6a4ac7d..bc11bb0 100644
--- a/arch/ia64/kernel/patch.c
+++ b/arch/ia64/kernel/patch.c
@@ -115,7 +115,7 @@ ia64_patch_vtop (unsigned long start, unsigned long end)
 	ia64_srlz_i();
 }
 
-void
+void __init
 ia64_patch_mckinley_e9 (unsigned long start, unsigned long end)
 {
 	static int first_time = 1;
@@ -149,7 +149,7 @@ ia64_patch_mckinley_e9 (unsigned long start, unsigned long end)
 	ia64_srlz_i();
 }
 
-static void
+static void __init
 patch_fsyscall_table (unsigned long start, unsigned long end)
 {
 	extern unsigned long fsyscall_table[NR_syscalls];
@@ -166,7 +166,7 @@ patch_fsyscall_table (unsigned long start, unsigned long end)
 	ia64_srlz_i();
 }
 
-static void
+static void __init
 patch_brl_fsys_bubble_down (unsigned long start, unsigned long end)
 {
 	extern char fsys_bubble_down[];
@@ -184,7 +184,7 @@ patch_brl_fsys_bubble_down (unsigned long start, unsigned long end)
 	ia64_srlz_i();
 }
 
-void
+void __init
 ia64_patch_gate (void)
 {
 #	define START(name)	((unsigned long) __start_gate_##name##_patchlist)
diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c
index 958c150..eb388e2 100644
--- a/arch/ia64/kernel/setup.c
+++ b/arch/ia64/kernel/setup.c
@@ -130,8 +130,8 @@ EXPORT_SYMBOL(ia64_max_iommu_merge_mask);
 /*
  * We use a special marker for the end of memory and it uses the extra (+1) slot
  */
-struct rsvd_region rsvd_region[IA64_MAX_RSVD_REGIONS + 1];
-int num_rsvd_regions;
+struct rsvd_region rsvd_region[IA64_MAX_RSVD_REGIONS + 1] __initdata;
+int num_rsvd_regions __initdata;
 
 
 /*
@@ -140,7 +140,7 @@ int num_rsvd_regions;
  * caller-specified function is called with the memory ranges that remain after filtering.
  * This routine does not assume the incoming segments are sorted.
  */
-int
+int __init
 filter_rsvd_memory (unsigned long start, unsigned long end, void *arg)
 {
 	unsigned long range_start, range_end, prev_start;
@@ -176,7 +176,7 @@ filter_rsvd_memory (unsigned long start, unsigned long end, void *arg)
 	return 0;
 }
 
-static void
+static void __init
 sort_regions (struct rsvd_region *rsvd_region, int max)
 {
 	int j;
@@ -217,7 +217,7 @@ __initcall(register_memory);
  * initrd, etc.  There are currently %IA64_MAX_RSVD_REGIONS defined,
  * see include/asm-ia64/meminit.h if you need to define more.
  */
-void
+void __init
 reserve_memory (void)
 {
 	int n = 0;
@@ -269,7 +269,7 @@ reserve_memory (void)
  * Grab the initrd start and end from the boot parameter struct given us by
  * the boot loader.
  */
-void
+void __init
 find_initrd (void)
 {
 #ifdef CONFIG_BLK_DEV_INITRD
@@ -361,7 +361,7 @@ mark_bsp_online (void)
 }
 
 #ifdef CONFIG_SMP
-static void
+static void __init
 check_for_logical_procs (void)
 {
 	pal_logical_to_physical_t info;
@@ -388,6 +388,14 @@ check_for_logical_procs (void)
 }
 #endif
 
+static __initdata int nomca;
+static __init int setup_nomca(char *s)
+{
+	nomca = 1;
+	return 0;
+}
+early_param("nomca", setup_nomca);
+
 void __init
 setup_arch (char **cmdline_p)
 {
@@ -401,35 +409,15 @@ setup_arch (char **cmdline_p)
 	efi_init();
 	io_port_init();
 
+	parse_early_param();
+
 #ifdef CONFIG_IA64_GENERIC
-	{
-		const char *mvec_name = strstr (*cmdline_p, "machvec=");
-		char str[64];
-
-		if (mvec_name) {
-			const char *end;
-			size_t len;
-
-			mvec_name += 8;
-			end = strchr (mvec_name, ' ');
-			if (end)
-				len = end - mvec_name;
-			else
-				len = strlen (mvec_name);
-			len = min(len, sizeof (str) - 1);
-			strncpy (str, mvec_name, len);
-			str[len] = '\0';
-			mvec_name = str;
-		} else
-			mvec_name = acpi_get_sysname();
-		machvec_init(mvec_name);
-	}
+	machvec_init(NULL);
 #endif
 
 	if (early_console_setup(*cmdline_p) == 0)
 		mark_bsp_online();
 
-	parse_early_param();
 #ifdef CONFIG_ACPI
 	/* Initialize the ACPI boot-time table parser */
 	acpi_table_init();
@@ -492,7 +480,7 @@ setup_arch (char **cmdline_p)
 #endif
 
 	/* enable IA-64 Machine Check Abort Handling unless disabled */
-	if (!strstr(saved_command_line, "nomca"))
+	if (!nomca)
 		ia64_mca_init();
 
 	platform_setup(cmdline_p);
@@ -622,7 +610,7 @@ struct seq_operations cpuinfo_op = {
 	.show =		show_cpuinfo
 };
 
-void
+static void __cpuinit
 identify_cpu (struct cpuinfo_ia64 *c)
 {
 	union {
@@ -699,7 +687,7 @@ setup_per_cpu_areas (void)
  * In addition, the minimum of the i-cache stride sizes is calculated for
  * "flush_icache_range()".
  */
-static void
+static void __cpuinit
 get_max_cacheline_size (void)
 {
 	unsigned long line_size, max = 1;
@@ -762,10 +750,10 @@ get_max_cacheline_size (void)
  * cpu_init() initializes state that is per-CPU.  This function acts
  * as a 'CPU state barrier', nothing should get across.
  */
-void
+void __cpuinit
 cpu_init (void)
 {
-	extern void __devinit ia64_mmu_init (void *);
+	extern void __cpuinit ia64_mmu_init (void *);
 	unsigned long num_phys_stacked;
 	pal_vm_info_2_u_t vmi;
 	unsigned int max_ctx;
@@ -893,7 +881,7 @@ void sched_cacheflush(void)
 	ia64_sal_cache_flush(3);
 }
 
-void
+void __init
 check_bugs (void)
 {
 	ia64_patch_mckinley_e9((unsigned long) __start___mckinley_e9_bundles,
diff --git a/arch/ia64/kernel/smpboot.c b/arch/ia64/kernel/smpboot.c
index c4b633b..44e9547 100644
--- a/arch/ia64/kernel/smpboot.c
+++ b/arch/ia64/kernel/smpboot.c
@@ -624,32 +624,8 @@ void __devinit smp_prepare_boot_cpu(void)
 	per_cpu(cpu_state, smp_processor_id()) = CPU_ONLINE;
 }
 
-/*
- * mt_info[] is a temporary store for all info returned by
- * PAL_LOGICAL_TO_PHYSICAL, to be copied into cpuinfo_ia64 when the
- * specific cpu comes.
- */
-static struct {
-	__u32   socket_id;
-	__u16   core_id;
-	__u16   thread_id;
-	__u16   proc_fixed_addr;
-	__u8    valid;
-} mt_info[NR_CPUS] __devinitdata;
-
 #ifdef CONFIG_HOTPLUG_CPU
 static inline void
-remove_from_mtinfo(int cpu)
-{
-	int i;
-
-	for_each_cpu(i)
-		if (mt_info[i].valid &&  mt_info[i].socket_id ==
-		    				cpu_data(cpu)->socket_id)
-			mt_info[i].valid = 0;
-}
-
-static inline void
 clear_cpu_sibling_map(int cpu)
 {
 	int i;
@@ -678,12 +654,6 @@ remove_siblinginfo(int cpu)
 
 	/* remove it from all sibling map's */
 	clear_cpu_sibling_map(cpu);
-
-	/* if this cpu is the last in the core group, remove all its info 
-	 * from mt_info structure
-	 */
-	if (last)
-		remove_from_mtinfo(cpu);
 }
 
 extern void fixup_irqs(void);
@@ -878,40 +848,6 @@ init_smp_config(void)
 		       ia64_sal_strerror(sal_ret));
 }
 
-static inline int __devinit
-check_for_mtinfo_index(void)
-{
-	int i;
-	
-	for_each_cpu(i)
-		if (!mt_info[i].valid)
-			return i;
-
-	return -1;
-}
-
-/*
- * Search the mt_info to find out if this socket's cid/tid information is
- * cached or not. If the socket exists, fill in the core_id and thread_id 
- * in cpuinfo
- */
-static int __devinit
-check_for_new_socket(__u16 logical_address, struct cpuinfo_ia64 *c)
-{
-	int i;
-	__u32 sid = c->socket_id;
-
-	for_each_cpu(i) {
-		if (mt_info[i].valid && mt_info[i].proc_fixed_addr == logical_address
-		    && mt_info[i].socket_id == sid) {
-			c->core_id = mt_info[i].core_id;
-			c->thread_id = mt_info[i].thread_id;
-			return 1; /* not a new socket */
-		}
-	}
-	return 0;
-}
-
 /*
  * identify_siblings(cpu) gets called from identify_cpu. This populates the 
  * information related to logical execution units in per_cpu_data structure.
@@ -921,14 +857,12 @@ identify_siblings(struct cpuinfo_ia64 *c)
 {
 	s64 status;
 	u16 pltid;
-	u64 proc_fixed_addr;
-	int count, i;
 	pal_logical_to_physical_t info;
 
 	if (smp_num_cpucores == 1 && smp_num_siblings == 1)
 		return;
 
-	if ((status = ia64_pal_logical_to_phys(0, &info)) != PAL_STATUS_SUCCESS) {
+	if ((status = ia64_pal_logical_to_phys(-1, &info)) != PAL_STATUS_SUCCESS) {
 		printk(KERN_ERR "ia64_pal_logical_to_phys failed with %ld\n",
 		       status);
 		return;
@@ -937,47 +871,12 @@ identify_siblings(struct cpuinfo_ia64 *c)
 		printk(KERN_ERR "ia64_sal_pltid failed with %ld\n", status);
 		return;
 	}
-	if ((status = ia64_pal_fixed_addr(&proc_fixed_addr)) != PAL_STATUS_SUCCESS) {
-		printk(KERN_ERR "ia64_pal_fixed_addr failed with %ld\n", status);
-		return;
-	}
 
 	c->socket_id =  (pltid << 8) | info.overview_ppid;
 	c->cores_per_socket = info.overview_cpp;
 	c->threads_per_core = info.overview_tpc;
-	count = c->num_log = info.overview_num_log;
+	c->num_log = info.overview_num_log;
 
-	/* If the thread and core id information is already cached, then
-	 * we will simply update cpu_info and return. Otherwise, we will
-	 * do the PAL calls and cache core and thread id's of all the siblings.
-	 */
-	if (check_for_new_socket(proc_fixed_addr, c))
-		return;
-
-	for (i = 0; i < count; i++) {
-		int index;
-
-		if (i && (status = ia64_pal_logical_to_phys(i, &info))
-			  != PAL_STATUS_SUCCESS) {
-                	printk(KERN_ERR "ia64_pal_logical_to_phys failed"
-					" with %ld\n", status);
-                	return;
-		}
-		if (info.log2_la == proc_fixed_addr) {
-			c->core_id = info.log1_cid;
-			c->thread_id = info.log1_tid;
-		}
-
-		index = check_for_mtinfo_index();
-		/* We will not do the mt_info caching optimization in this case.
-		 */
-		if (index < 0)
-			continue;
-
-		mt_info[index].valid = 1;
-		mt_info[index].socket_id = c->socket_id;
-		mt_info[index].core_id = info.log1_cid;
-		mt_info[index].thread_id = info.log1_tid;
-		mt_info[index].proc_fixed_addr = info.log2_la;
-	}
+	c->core_id = info.log1_cid;
+	c->thread_id = info.log1_tid;
 }
diff --git a/arch/ia64/kernel/vmlinux.lds.S b/arch/ia64/kernel/vmlinux.lds.S
index 73af626..0b9e56d 100644
--- a/arch/ia64/kernel/vmlinux.lds.S
+++ b/arch/ia64/kernel/vmlinux.lds.S
@@ -70,34 +70,9 @@ SECTIONS
 	  __stop___ex_table = .;
 	}
 
-  .data.patch.vtop : AT(ADDR(.data.patch.vtop) - LOAD_OFFSET)
-	{
-	  __start___vtop_patchlist = .;
-	  *(.data.patch.vtop)
-	  __end___vtop_patchlist = .;
-	}
-
-  .data.patch.mckinley_e9 : AT(ADDR(.data.patch.mckinley_e9) - LOAD_OFFSET)
-	{
-	  __start___mckinley_e9_bundles = .;
-	  *(.data.patch.mckinley_e9)
-	  __end___mckinley_e9_bundles = .;
-	}
-
   /* Global data */
   _data = .;
 
-#if defined(CONFIG_IA64_GENERIC)
-  /* Machine Vector */
-  . = ALIGN(16);
-  .machvec : AT(ADDR(.machvec) - LOAD_OFFSET)
-	{
-	  machvec_start = .;
-	  *(.machvec)
-	  machvec_end = .;
-	}
-#endif
-
   /* Unwind info & table: */
   . = ALIGN(8);
   .IA_64.unwind_info : AT(ADDR(.IA_64.unwind_info) - LOAD_OFFSET)
@@ -154,6 +129,41 @@ SECTIONS
 	  *(.initcall7.init)
 	  __initcall_end = .;
 	}
+
+  /* MCA table */
+  . = ALIGN(16);
+  __mca_table : AT(ADDR(__mca_table) - LOAD_OFFSET)
+	{
+	  __start___mca_table = .;
+	  *(__mca_table)
+	  __stop___mca_table = .;
+	}
+
+  .data.patch.vtop : AT(ADDR(.data.patch.vtop) - LOAD_OFFSET)
+	{
+	  __start___vtop_patchlist = .;
+	  *(.data.patch.vtop)
+	  __end___vtop_patchlist = .;
+	}
+
+  .data.patch.mckinley_e9 : AT(ADDR(.data.patch.mckinley_e9) - LOAD_OFFSET)
+	{
+	  __start___mckinley_e9_bundles = .;
+	  *(.data.patch.mckinley_e9)
+	  __end___mckinley_e9_bundles = .;
+	}
+
+#if defined(CONFIG_IA64_GENERIC)
+  /* Machine Vector */
+  . = ALIGN(16);
+  .machvec : AT(ADDR(.machvec) - LOAD_OFFSET)
+	{
+	  machvec_start = .;
+	  *(.machvec)
+	  machvec_end = .;
+	}
+#endif
+
    __con_initcall_start = .;
   .con_initcall.init : AT(ADDR(.con_initcall.init) - LOAD_OFFSET)
 	{ *(.con_initcall.init) }