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: (27 commits)
  [IA64] kdump: Add crash_save_vmcoreinfo for INIT
  [IA64] Fix NUMA configuration issue
  [IA64] Itanium Spec updates
  [IA64] Untangle sync_icache_dcache() page size determination
  [IA64] arch/ia64/kernel/: use time_* macros
  [IA64] remove redundant display of free swap space in show_mem()
  [IA64] make IOMMU respect the segment boundary limits
  [IA64] kprobes: kprobe-booster for ia64
  [IA64] fix getpid and set_tid_address fast system calls for pid namespaces
  [IA64] Replace explicit jiffies tests with time_* macros.
  [IA64] use goto to jump out do/while_each_thread
  [IA64] Fix unlock ordering in smp_callin
  [IA64] pgd_offset() constfication.
  [IA64] kdump: crash.c coding style fix
  [IA64] kdump: add kdump_on_fatal_mca
  [IA64] Minimize per_cpu reservations.
  [IA64] Correct pernodesize calculation.
  [IA64] Kernel parameter for max number of concurrent global TLB purges
  [IA64] Multiple outstanding ptc.g instruction support
  [IA64] Implement smp_call_function_mask for ia64
  ...

15 files changed, 316 insertions, 18 deletions

diff --git a/include/asm-ia64/acpi.h b/include/asm-ia64/acpi.h
index cd1cc39..fcfad32 100644
--- a/include/asm-ia64/acpi.h
+++ b/include/asm-ia64/acpi.h
@@ -35,6 +35,7 @@
 #include <linux/init.h>
 #include <linux/numa.h>
 #include <asm/system.h>
+#include <asm/numa.h>
 
 #define COMPILER_DEPENDENT_INT64	long
 #define COMPILER_DEPENDENT_UINT64	unsigned long
@@ -115,7 +116,11 @@ extern unsigned int is_cpu_cpei_target(unsigned int cpu);
 extern void set_cpei_target_cpu(unsigned int cpu);
 extern unsigned int get_cpei_target_cpu(void);
 extern void prefill_possible_map(void);
+#ifdef CONFIG_ACPI_HOTPLUG_CPU
 extern int additional_cpus;
+#else
+#define additional_cpus 0
+#endif
 
 #ifdef CONFIG_ACPI_NUMA
 #if MAX_NUMNODES > 256
@@ -129,6 +134,34 @@ extern int __initdata nid_to_pxm_map[MAX_NUMNODES];
 
 #define acpi_unlazy_tlb(x)
 
+#ifdef CONFIG_ACPI_NUMA
+extern cpumask_t early_cpu_possible_map;
+#define for_each_possible_early_cpu(cpu)  \
+	for_each_cpu_mask((cpu), early_cpu_possible_map)
+
+static inline void per_cpu_scan_finalize(int min_cpus, int reserve_cpus)
+{
+	int low_cpu, high_cpu;
+	int cpu;
+	int next_nid = 0;
+
+	low_cpu = cpus_weight(early_cpu_possible_map);
+
+	high_cpu = max(low_cpu, min_cpus);
+	high_cpu = min(high_cpu + reserve_cpus, NR_CPUS);
+
+	for (cpu = low_cpu; cpu < high_cpu; cpu++) {
+		cpu_set(cpu, early_cpu_possible_map);
+		if (node_cpuid[cpu].nid == NUMA_NO_NODE) {
+			node_cpuid[cpu].nid = next_nid;
+			next_nid++;
+			if (next_nid >= num_online_nodes())
+				next_nid = 0;
+		}
+	}
+}
+#endif /* CONFIG_ACPI_NUMA */
+
 #endif /*__KERNEL__*/
 
 #endif /*_ASM_ACPI_H*/
diff --git a/include/asm-ia64/cputime.h b/include/asm-ia64/cputime.h
index 72400a7..f9abdec 100644
--- a/include/asm-ia64/cputime.h
+++ b/include/asm-ia64/cputime.h
@@ -1,6 +1,110 @@
+/*
+ * include/asm-ia64/cputime.h:
+ *		Definitions for measuring cputime on ia64 machines.
+ *
+ * Based on <asm-powerpc/cputime.h>.
+ *
+ * Copyright (C) 2007 FUJITSU LIMITED
+ * Copyright (C) 2007 Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ *
+ * If we have CONFIG_VIRT_CPU_ACCOUNTING, we measure cpu time in nsec.
+ * Otherwise we measure cpu time in jiffies using the generic definitions.
+ */
+
 #ifndef __IA64_CPUTIME_H
 #define __IA64_CPUTIME_H
 
+#ifndef CONFIG_VIRT_CPU_ACCOUNTING
 #include <asm-generic/cputime.h>
+#else
+
+#include <linux/time.h>
+#include <linux/jiffies.h>
+#include <asm/processor.h>
+
+typedef u64 cputime_t;
+typedef u64 cputime64_t;
+
+#define cputime_zero			((cputime_t)0)
+#define cputime_max			((~((cputime_t)0) >> 1) - 1)
+#define cputime_add(__a, __b)		((__a) +  (__b))
+#define cputime_sub(__a, __b)		((__a) -  (__b))
+#define cputime_div(__a, __n)		((__a) /  (__n))
+#define cputime_halve(__a)		((__a) >> 1)
+#define cputime_eq(__a, __b)		((__a) == (__b))
+#define cputime_gt(__a, __b)		((__a) >  (__b))
+#define cputime_ge(__a, __b)		((__a) >= (__b))
+#define cputime_lt(__a, __b)		((__a) <  (__b))
+#define cputime_le(__a, __b)		((__a) <= (__b))
+
+#define cputime64_zero			((cputime64_t)0)
+#define cputime64_add(__a, __b)		((__a) + (__b))
+#define cputime64_sub(__a, __b)		((__a) - (__b))
+#define cputime_to_cputime64(__ct)	(__ct)
+
+/*
+ * Convert cputime <-> jiffies (HZ)
+ */
+#define cputime_to_jiffies(__ct)	((__ct) / (NSEC_PER_SEC / HZ))
+#define jiffies_to_cputime(__jif)	((__jif) * (NSEC_PER_SEC / HZ))
+#define cputime64_to_jiffies64(__ct)	((__ct) / (NSEC_PER_SEC / HZ))
+#define jiffies64_to_cputime64(__jif)	((__jif) * (NSEC_PER_SEC / HZ))
+
+/*
+ * Convert cputime <-> milliseconds
+ */
+#define cputime_to_msecs(__ct)		((__ct) / NSEC_PER_MSEC)
+#define msecs_to_cputime(__msecs)	((__msecs) * NSEC_PER_MSEC)
+
+/*
+ * Convert cputime <-> seconds
+ */
+#define cputime_to_secs(__ct)		((__ct) / NSEC_PER_SEC)
+#define secs_to_cputime(__secs)		((__secs) * NSEC_PER_SEC)
+
+/*
+ * Convert cputime <-> timespec (nsec)
+ */
+static inline cputime_t timespec_to_cputime(const struct timespec *val)
+{
+	cputime_t ret = val->tv_sec * NSEC_PER_SEC;
+	return (ret + val->tv_nsec);
+}
+static inline void cputime_to_timespec(const cputime_t ct, struct timespec *val)
+{
+	val->tv_sec  = ct / NSEC_PER_SEC;
+	val->tv_nsec = ct % NSEC_PER_SEC;
+}
+
+/*
+ * Convert cputime <-> timeval (msec)
+ */
+static inline cputime_t timeval_to_cputime(struct timeval *val)
+{
+	cputime_t ret = val->tv_sec * NSEC_PER_SEC;
+	return (ret + val->tv_usec * NSEC_PER_USEC);
+}
+static inline void cputime_to_timeval(const cputime_t ct, struct timeval *val)
+{
+	val->tv_sec = ct / NSEC_PER_SEC;
+	val->tv_usec = (ct % NSEC_PER_SEC) / NSEC_PER_USEC;
+}
+
+/*
+ * Convert cputime <-> clock (USER_HZ)
+ */
+#define cputime_to_clock_t(__ct)	((__ct) / (NSEC_PER_SEC / USER_HZ))
+#define clock_t_to_cputime(__x)		((__x) * (NSEC_PER_SEC / USER_HZ))
+
+/*
+ * Convert cputime64 to clock.
+ */
+#define cputime64_to_clock_t(__ct)      cputime_to_clock_t((cputime_t)__ct)
 
+#endif /* CONFIG_VIRT_CPU_ACCOUNTING */
 #endif /* __IA64_CPUTIME_H */
diff --git a/include/asm-ia64/elf.h b/include/asm-ia64/elf.h
index f8e83ec..5e0c1a6 100644
--- a/include/asm-ia64/elf.h
+++ b/include/asm-ia64/elf.h
@@ -26,6 +26,7 @@
 #define ELF_ARCH	EM_IA_64
 
 #define USE_ELF_CORE_DUMP
+#define CORE_DUMP_USE_REGSET
 
 /* Least-significant four bits of ELF header's e_flags are OS-specific.  The bits are
    interpreted as follows by Linux: */
@@ -154,6 +155,30 @@ extern void ia64_init_addr_space (void);
 #define ELF_NGREG	128	/* we really need just 72 but let's leave some headroom... */
 #define ELF_NFPREG	128	/* f0 and f1 could be omitted, but so what... */
 
+/* elf_gregset_t register offsets */
+#define ELF_GR_0_OFFSET     0
+#define ELF_NAT_OFFSET     (32 * sizeof(elf_greg_t))
+#define ELF_PR_OFFSET      (33 * sizeof(elf_greg_t))
+#define ELF_BR_0_OFFSET    (34 * sizeof(elf_greg_t))
+#define ELF_CR_IIP_OFFSET  (42 * sizeof(elf_greg_t))
+#define ELF_CFM_OFFSET     (43 * sizeof(elf_greg_t))
+#define ELF_CR_IPSR_OFFSET (44 * sizeof(elf_greg_t))
+#define ELF_GR_OFFSET(i)   (ELF_GR_0_OFFSET + i * sizeof(elf_greg_t))
+#define ELF_BR_OFFSET(i)   (ELF_BR_0_OFFSET + i * sizeof(elf_greg_t))
+#define ELF_AR_RSC_OFFSET  (45 * sizeof(elf_greg_t))
+#define ELF_AR_BSP_OFFSET  (46 * sizeof(elf_greg_t))
+#define ELF_AR_BSPSTORE_OFFSET (47 * sizeof(elf_greg_t))
+#define ELF_AR_RNAT_OFFSET (48 * sizeof(elf_greg_t))
+#define ELF_AR_CCV_OFFSET  (49 * sizeof(elf_greg_t))
+#define ELF_AR_UNAT_OFFSET (50 * sizeof(elf_greg_t))
+#define ELF_AR_FPSR_OFFSET (51 * sizeof(elf_greg_t))
+#define ELF_AR_PFS_OFFSET  (52 * sizeof(elf_greg_t))
+#define ELF_AR_LC_OFFSET   (53 * sizeof(elf_greg_t))
+#define ELF_AR_EC_OFFSET   (54 * sizeof(elf_greg_t))
+#define ELF_AR_CSD_OFFSET  (55 * sizeof(elf_greg_t))
+#define ELF_AR_SSD_OFFSET  (56 * sizeof(elf_greg_t))
+#define ELF_AR_END_OFFSET  (57 * sizeof(elf_greg_t))
+
 typedef unsigned long elf_fpxregset_t;
 
 typedef unsigned long elf_greg_t;
@@ -183,12 +208,6 @@ extern void ia64_elf_core_copy_regs (struct pt_regs *src, elf_gregset_t dst);
 
 struct task_struct;
 
-extern int dump_task_regs(struct task_struct *, elf_gregset_t *);
-extern int dump_task_fpu (struct task_struct *, elf_fpregset_t *);
-
-#define ELF_CORE_COPY_TASK_REGS(tsk, elf_gregs) dump_task_regs(tsk, elf_gregs)
-#define ELF_CORE_COPY_FPREGS(tsk, elf_fpregs) dump_task_fpu(tsk, elf_fpregs)
-
 #define GATE_EHDR	((const struct elfhdr *) GATE_ADDR)
 
 /* update AT_VECTOR_SIZE_ARCH if the number of NEW_AUX_ENT entries changes */
diff --git a/include/asm-ia64/kprobes.h b/include/asm-ia64/kprobes.h
index d03bf9f..ef71b57 100644
--- a/include/asm-ia64/kprobes.h
+++ b/include/asm-ia64/kprobes.h
@@ -30,8 +30,12 @@
 #include <asm/break.h>
 
 #define __ARCH_WANT_KPROBES_INSN_SLOT
-#define MAX_INSN_SIZE   1
+#define MAX_INSN_SIZE   2	/* last half is for kprobe-booster */
 #define BREAK_INST	(long)(__IA64_BREAK_KPROBE << 6)
+#define NOP_M_INST	(long)(1<<27)
+#define BRL_INST(i1, i2) ((long)((0xcL << 37) |	/* brl */ \
+				(0x1L << 12) |	/* many */ \
+				(((i1) & 1) << 36) | ((i2) << 13))) /* imm */
 
 typedef union cmp_inst {
 	struct {
@@ -112,6 +116,7 @@ struct arch_specific_insn {
  #define INST_FLAG_FIX_RELATIVE_IP_ADDR		1
  #define INST_FLAG_FIX_BRANCH_REG		2
  #define INST_FLAG_BREAK_INST			4
+ #define INST_FLAG_BOOSTABLE			8
  	unsigned long inst_flag;
  	unsigned short target_br_reg;
 	unsigned short slot;
diff --git a/include/asm-ia64/kregs.h b/include/asm-ia64/kregs.h
index 7e55a58..aefcdfe 100644
--- a/include/asm-ia64/kregs.h
+++ b/include/asm-ia64/kregs.h
@@ -31,6 +31,9 @@
 #define IA64_TR_PALCODE		1	/* itr1: maps PALcode as required by EFI */
 #define IA64_TR_CURRENT_STACK	1	/* dtr1: maps kernel's memory- & register-stacks */
 
+#define IA64_TR_ALLOC_BASE	2 	/* itr&dtr: Base of dynamic TR resource*/
+#define IA64_TR_ALLOC_MAX	32 	/* Max number for dynamic use*/
+
 /* Processor status register bits: */
 #define IA64_PSR_BE_BIT		1
 #define IA64_PSR_UP_BIT		2
diff --git a/include/asm-ia64/meminit.h b/include/asm-ia64/meminit.h
index f93308f..7245a57 100644
--- a/include/asm-ia64/meminit.h
+++ b/include/asm-ia64/meminit.h
@@ -35,6 +35,7 @@ extern void find_memory (void);
 extern void reserve_memory (void);
 extern void find_initrd (void);
 extern int filter_rsvd_memory (unsigned long start, unsigned long end, void *arg);
+extern int filter_memory (unsigned long start, unsigned long end, void *arg);
 extern unsigned long efi_memmap_init(unsigned long *s, unsigned long *e);
 extern int find_max_min_low_pfn (unsigned long , unsigned long, void *);
 
@@ -56,7 +57,7 @@ extern int reserve_elfcorehdr(unsigned long *start, unsigned long *end);
 
 #define IGNORE_PFN0	1	/* XXX fix me: ignore pfn 0 until TLB miss handler is updated... */
 
-extern int register_active_ranges(u64 start, u64 end, void *arg);
+extern int register_active_ranges(u64 start, u64 len, int nid);
 
 #ifdef CONFIG_VIRTUAL_MEM_MAP
 # define LARGE_GAP	0x40000000 /* Use virtual mem map if hole is > than this */
diff --git a/include/asm-ia64/numa.h b/include/asm-ia64/numa.h
index 6a8a27c..3499ff5 100644
--- a/include/asm-ia64/numa.h
+++ b/include/asm-ia64/numa.h
@@ -22,6 +22,8 @@
 
 #include <asm/mmzone.h>
 
+#define NUMA_NO_NODE	-1
+
 extern u16 cpu_to_node_map[NR_CPUS] __cacheline_aligned;
 extern cpumask_t node_to_cpu_mask[MAX_NUMNODES] __cacheline_aligned;
 extern pg_data_t *pgdat_list[MAX_NUMNODES];
diff --git a/include/asm-ia64/pal.h b/include/asm-ia64/pal.h
index 8a695d3..67b0290 100644
--- a/include/asm-ia64/pal.h
+++ b/include/asm-ia64/pal.h
@@ -13,6 +13,7 @@
  * Copyright (C) 1999 VA Linux Systems
  * Copyright (C) 1999 Walt Drummond <drummond@valinux.com>
  * Copyright (C) 1999 Srinivasa Prasad Thirumalachar <sprasad@sprasad.engr.sgi.com>
+ * Copyright (C) 2008 Silicon Graphics, Inc. (SGI)
  *
  * 99/10/01	davidm	Make sure we pass zero for reserved parameters.
  * 00/03/07	davidm	Updated pal_cache_flush() to be in sync with PAL v2.6.
@@ -73,6 +74,8 @@
 #define PAL_CACHE_SHARED_INFO	43	/* returns information on caches shared by logical processor */
 #define PAL_GET_HW_POLICY	48	/* Get current hardware resource sharing policy */
 #define PAL_SET_HW_POLICY	49	/* Set current hardware resource sharing policy */
+#define PAL_VP_INFO		50	/* Information about virtual processor features */
+#define PAL_MC_HW_TRACKING	51	/* Hardware tracking status */
 
 #define PAL_COPY_PAL		256	/* relocate PAL procedures and PAL PMI */
 #define PAL_HALT_INFO		257	/* return the low power capabilities of processor */
@@ -504,7 +507,8 @@ typedef struct pal_cache_check_info_s {
 			wiv		: 1,	/* Way field valid */
 			reserved2	: 1,
 			dp		: 1,	/* Data poisoned on MBE */
-			reserved3	: 8,
+			reserved3	: 6,
+			hlth		: 2,	/* Health indicator */
 
 			index		: 20,	/* Cache line index */
 			reserved4	: 2,
@@ -542,7 +546,9 @@ typedef struct pal_tlb_check_info_s {
 			dtc		: 1,	/* Fail in data TC */
 			itc		: 1,	/* Fail in inst. TC */
 			op		: 4,	/* Cache operation */
-			reserved3	: 30,
+			reserved3	: 6,
+			hlth		: 2,	/* Health indicator */
+			reserved4	: 22,
 
 			is		: 1,	/* instruction set (1 == ia32) */
 			iv		: 1,	/* instruction set field valid */
@@ -633,7 +639,8 @@ typedef struct pal_uarch_check_info_s {
 			way		: 6,	/* Way of structure */
 			wv		: 1,	/* way valid */
 			xv		: 1,	/* index valid */
-			reserved1	: 8,
+			reserved1	: 6,
+			hlth		: 2,	/* Health indicator */
 			index		: 8,	/* Index or set of the uarch
 						 * structure that failed.
 						 */
@@ -1213,14 +1220,12 @@ ia64_pal_mc_drain (void)
 
 /* Return the machine check dynamic processor state */
 static inline s64
-ia64_pal_mc_dynamic_state (u64 offset, u64 *size, u64 *pds)
+ia64_pal_mc_dynamic_state (u64 info_type, u64 dy_buffer, u64 *size)
 {
 	struct ia64_pal_retval iprv;
-	PAL_CALL(iprv, PAL_MC_DYNAMIC_STATE, offset, 0, 0);
+	PAL_CALL(iprv, PAL_MC_DYNAMIC_STATE, info_type, dy_buffer, 0);
 	if (size)
 		*size = iprv.v0;
-	if (pds)
-		*pds = iprv.v1;
 	return iprv.status;
 }
 
@@ -1281,15 +1286,41 @@ ia64_pal_mc_expected (u64 expected, u64 *previous)
 	return iprv.status;
 }
 
+typedef union pal_hw_tracking_u {
+	u64			pht_data;
+	struct {
+		u64		itc	:4,	/* Instruction cache tracking */
+				dct	:4,	/* Date cache tracking */
+				itt	:4,	/* Instruction TLB tracking */
+				ddt	:4,	/* Data TLB tracking */
+				reserved:48;
+	} pal_hw_tracking_s;
+} pal_hw_tracking_u_t;
+
+/*
+ * Hardware tracking status.
+ */
+static inline s64
+ia64_pal_mc_hw_tracking (u64 *status)
+{
+	struct ia64_pal_retval iprv;
+	PAL_CALL(iprv, PAL_MC_HW_TRACKING, 0, 0, 0);
+	if (status)
+		*status = iprv.v0;
+	return iprv.status;
+}
+
 /* Register a platform dependent location with PAL to which it can save
  * minimal processor state in the event of a machine check or initialization
  * event.
  */
 static inline s64
-ia64_pal_mc_register_mem (u64 physical_addr)
+ia64_pal_mc_register_mem (u64 physical_addr, u64 size, u64 *req_size)
 {
 	struct ia64_pal_retval iprv;
-	PAL_CALL(iprv, PAL_MC_REGISTER_MEM, physical_addr, 0, 0);
+	PAL_CALL(iprv, PAL_MC_REGISTER_MEM, physical_addr, size, 0);
+	if (req_size)
+		*req_size = iprv.v0;
 	return iprv.status;
 }
 
@@ -1631,6 +1662,29 @@ ia64_pal_vm_summary (pal_vm_info_1_u_t *vm_info_1, pal_vm_info_2_u_t *vm_info_2)
 	return iprv.status;
 }
 
+typedef union pal_vp_info_u {
+	u64			pvi_val;
+	struct {
+		u64		index:		48,	/* virtual feature set info */
+				vmm_id:		16;	/* feature set id */
+	} pal_vp_info_s;
+} pal_vp_info_u_t;
+
+/*
+ * Returns infomation about virtual processor features
+ */
+static inline s64
+ia64_pal_vp_info (u64 feature_set, u64 vp_buffer, u64 *vp_info, u64 *vmm_id)
+{
+	struct ia64_pal_retval iprv;
+	PAL_CALL(iprv, PAL_VP_INFO, feature_set, vp_buffer, 0);
+	if (vp_info)
+		*vp_info = iprv.v0;
+	if (vmm_id)
+		*vmm_id = iprv.v1;
+	return iprv.status;
+}
+
 typedef union pal_itr_valid_u {
 	u64			piv_val;
 	struct {
diff --git a/include/asm-ia64/pgtable.h b/include/asm-ia64/pgtable.h
index e6204f1..ed70862 100644
--- a/include/asm-ia64/pgtable.h
+++ b/include/asm-ia64/pgtable.h
@@ -371,7 +371,7 @@ pgd_index (unsigned long address)
 /* The offset in the 1-level directory is given by the 3 region bits
    (61..63) and the level-1 bits.  */
 static inline pgd_t*
-pgd_offset (struct mm_struct *mm, unsigned long address)
+pgd_offset (const struct mm_struct *mm, unsigned long address)
 {
 	return mm->pgd + pgd_index(address);
 }
diff --git a/include/asm-ia64/sal.h b/include/asm-ia64/sal.h
index f4904db..89594b4 100644
--- a/include/asm-ia64/sal.h
+++ b/include/asm-ia64/sal.h
@@ -296,6 +296,9 @@ enum {
     EFI_GUID(0xe429faf8, 0x3cb7, 0x11d4, 0xbc, 0xa7, 0x0, 0x80, 0xc7, 0x3c, 0x88, 0x81)
 #define SAL_PLAT_BUS_ERR_SECT_GUID  \
     EFI_GUID(0xe429faf9, 0x3cb7, 0x11d4, 0xbc, 0xa7, 0x0, 0x80, 0xc7, 0x3c, 0x88, 0x81)
+#define PROCESSOR_ABSTRACTION_LAYER_OVERWRITE_GUID \
+    EFI_GUID(0x6cb0a200, 0x893a, 0x11da, 0x96, 0xd2, 0x0, 0x10, 0x83, 0xff, \
+		0xca, 0x4d)
 
 #define MAX_CACHE_ERRORS	6
 #define MAX_TLB_ERRORS		6
@@ -879,6 +882,24 @@ extern void ia64_jump_to_sal(struct sal_to_os_boot *);
 
 extern void ia64_sal_handler_init(void *entry_point, void *gpval);
 
+#define PALO_MAX_TLB_PURGES	0xFFFF
+#define PALO_SIG	"PALO"
+
+struct palo_table {
+	u8  signature[4];	/* Should be "PALO" */
+	u32 length;
+	u8  minor_revision;
+	u8  major_revision;
+	u8  checksum;
+	u8  reserved1[5];
+	u16 max_tlb_purges;
+	u8  reserved2[6];
+};
+
+#define NPTCG_FROM_PAL			0
+#define NPTCG_FROM_PALO			1
+#define NPTCG_FROM_KERNEL_PARAMETER	2
+
 #endif /* __ASSEMBLY__ */
 
 #endif /* _ASM_IA64_SAL_H */
diff --git a/include/asm-ia64/smp.h b/include/asm-ia64/smp.h
index 4fa733d..ec5f355 100644
--- a/include/asm-ia64/smp.h
+++ b/include/asm-ia64/smp.h
@@ -38,6 +38,9 @@ ia64_get_lid (void)
 	return lid.f.id << 8 | lid.f.eid;
 }
 
+extern int smp_call_function_mask(cpumask_t mask, void (*func)(void *),
+				  void *info, int wait);
+
 #define hard_smp_processor_id()		ia64_get_lid()
 
 #ifdef CONFIG_SMP
diff --git a/include/asm-ia64/system.h b/include/asm-ia64/system.h
index 595112b..dff8128 100644
--- a/include/asm-ia64/system.h
+++ b/include/asm-ia64/system.h
@@ -210,6 +210,13 @@ struct task_struct;
 extern void ia64_save_extra (struct task_struct *task);
 extern void ia64_load_extra (struct task_struct *task);
 
+#ifdef CONFIG_VIRT_CPU_ACCOUNTING
+extern void ia64_account_on_switch (struct task_struct *prev, struct task_struct *next);
+# define IA64_ACCOUNT_ON_SWITCH(p,n) ia64_account_on_switch(p,n)
+#else
+# define IA64_ACCOUNT_ON_SWITCH(p,n)
+#endif
+
 #ifdef CONFIG_PERFMON
   DECLARE_PER_CPU(unsigned long, pfm_syst_info);
 # define PERFMON_IS_SYSWIDE() (__get_cpu_var(pfm_syst_info) & 0x1)
@@ -222,6 +229,7 @@ extern void ia64_load_extra (struct task_struct *task);
 	 || IS_IA32_PROCESS(task_pt_regs(t)) || PERFMON_IS_SYSWIDE())
 
 #define __switch_to(prev,next,last) do {							 \
+	IA64_ACCOUNT_ON_SWITCH(prev, next);							 \
 	if (IA64_HAS_EXTRA_STATE(prev))								 \
 		ia64_save_extra(prev);								 \
 	if (IA64_HAS_EXTRA_STATE(next))								 \
@@ -266,6 +274,10 @@ void cpu_idle_wait(void);
 
 void default_idle(void);
 
+#ifdef CONFIG_VIRT_CPU_ACCOUNTING
+extern void account_system_vtime(struct task_struct *);
+#endif
+
 #endif /* __KERNEL__ */
 
 #endif /* __ASSEMBLY__ */
diff --git a/include/asm-ia64/thread_info.h b/include/asm-ia64/thread_info.h
index 93d83cb..6da8069 100644
--- a/include/asm-ia64/thread_info.h
+++ b/include/asm-ia64/thread_info.h
@@ -31,6 +31,12 @@ struct thread_info {
 	mm_segment_t addr_limit;	/* user-level address space limit */
 	int preempt_count;		/* 0=premptable, <0=BUG; will also serve as bh-counter */
 	struct restart_block restart_block;
+#ifdef CONFIG_VIRT_CPU_ACCOUNTING
+	__u64 ac_stamp;
+	__u64 ac_leave;
+	__u64 ac_stime;
+	__u64 ac_utime;
+#endif
 };
 
 #define THREAD_SIZE			KERNEL_STACK_SIZE
@@ -62,9 +68,17 @@ struct thread_info {
 #define task_stack_page(tsk)	((void *)(tsk))
 
 #define __HAVE_THREAD_FUNCTIONS
+#ifdef CONFIG_VIRT_CPU_ACCOUNTING
+#define setup_thread_stack(p, org)			\
+	*task_thread_info(p) = *task_thread_info(org);	\
+	task_thread_info(p)->ac_stime = 0;		\
+	task_thread_info(p)->ac_utime = 0;		\
+	task_thread_info(p)->task = (p);
+#else
 #define setup_thread_stack(p, org) \
 	*task_thread_info(p) = *task_thread_info(org); \
 	task_thread_info(p)->task = (p);
+#endif
 #define end_of_stack(p) (unsigned long *)((void *)(p) + IA64_RBS_OFFSET)
 
 #define __HAVE_ARCH_TASK_STRUCT_ALLOCATOR
diff --git a/include/asm-ia64/tlb.h b/include/asm-ia64/tlb.h
index 26edcb7..20d8a39 100644
--- a/include/asm-ia64/tlb.h
+++ b/include/asm-ia64/tlb.h
@@ -64,6 +64,32 @@ struct mmu_gather {
 	struct page 		*pages[FREE_PTE_NR];
 };
 
+struct ia64_tr_entry {
+	u64 ifa;
+	u64 itir;
+	u64 pte;
+	u64 rr;
+}; /*Record for tr entry!*/
+
+extern int ia64_itr_entry(u64 target_mask, u64 va, u64 pte, u64 log_size);
+extern void ia64_ptr_entry(u64 target_mask, int slot);
+
+extern struct ia64_tr_entry __per_cpu_idtrs[NR_CPUS][2][IA64_TR_ALLOC_MAX];
+
+/*
+ region register macros
+*/
+#define RR_TO_VE(val)   (((val) >> 0) & 0x0000000000000001)
+#define RR_VE(val)	(((val) & 0x0000000000000001) << 0)
+#define RR_VE_MASK	0x0000000000000001L
+#define RR_VE_SHIFT	0
+#define RR_TO_PS(val)	(((val) >> 2) & 0x000000000000003f)
+#define RR_PS(val)	(((val) & 0x000000000000003f) << 2)
+#define RR_PS_MASK	0x00000000000000fcL
+#define RR_PS_SHIFT	2
+#define RR_RID_MASK	0x00000000ffffff00L
+#define RR_TO_RID(val) 	((val >> 8) & 0xffffff)
+
 /* Users of the generic TLB shootdown code must declare this storage space. */
 DECLARE_PER_CPU(struct mmu_gather, mmu_gathers);
 
diff --git a/include/asm-ia64/tlbflush.h b/include/asm-ia64/tlbflush.h
index 7774a1c..3be25df 100644
--- a/include/asm-ia64/tlbflush.h
+++ b/include/asm-ia64/tlbflush.h
@@ -17,6 +17,7 @@
  * Now for some TLB flushing routines.  This is the kind of stuff that
  * can be very expensive, so try to avoid them whenever possible.
  */
+extern void setup_ptcg_sem(int max_purges, int from_palo);
 
 /*
  * Flush everything (kernel mapping may also have changed due to