8 files changed, 57 insertions, 52 deletions
diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c
index 6296bfd9cb0b..e309ef70a531 100644
--- a/arch/powerpc/platforms/cell/spufs/inode.c
+++ b/arch/powerpc/platforms/cell/spufs/inode.c
@@ -97,7 +97,6 @@ spufs_new_inode(struct super_block *sb, int mode)
 	inode->i_mode = mode;
 	inode->i_uid = current_fsuid();
 	inode->i_gid = current_fsgid();
-	inode->i_blocks = 0;
 	inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
 out:
 	return inode;
diff --git a/arch/s390/hypfs/inode.c b/arch/s390/hypfs/inode.c
index 9d4f8e6c0800..5a805df216bb 100644
--- a/arch/s390/hypfs/inode.c
+++ b/arch/s390/hypfs/inode.c
@@ -106,7 +106,6 @@ static struct inode *hypfs_make_inode(struct super_block *sb, int mode)
 		ret->i_mode = mode;
 		ret->i_uid = hypfs_info->uid;
 		ret->i_gid = hypfs_info->gid;
-		ret->i_blocks = 0;
 		ret->i_atime = ret->i_mtime = ret->i_ctime = CURRENT_TIME;
 		if (mode & S_IFDIR)
 			ret->i_nlink = 2;
diff --git a/arch/um/Makefile b/arch/um/Makefile
index d944c343acdb..0728def32234 100644
--- a/arch/um/Makefile
+++ b/arch/um/Makefile
@@ -22,10 +22,11 @@ MODE_INCLUDE	+= -I$(srctree)/$(ARCH_DIR)/include/shared/skas
 
 include $(srctree)/$(ARCH_DIR)/Makefile-skas
 
-ARCH_INCLUDE	:= -I$(srctree)/$(ARCH_DIR)/include/shared
+SHARED_HEADERS	:= $(ARCH_DIR)/include/shared
+ARCH_INCLUDE	:= -I$(srctree)/$(SHARED_HEADERS)
 ARCH_INCLUDE	+= -I$(srctree)/$(ARCH_DIR)/sys-$(SUBARCH)/shared
 ifneq ($(KBUILD_SRC),)
-ARCH_INCLUDE	+= -I$(ARCH_DIR)/include/shared # for two generated files
+ARCH_INCLUDE	+= -I$(SHARED_HEADERS)
 endif
 KBUILD_CPPFLAGS += -I$(srctree)/$(ARCH_DIR)/sys-$(SUBARCH)
 
@@ -85,8 +86,8 @@ endef
 
 KBUILD_KCONFIG := arch/um/Kconfig.$(HEADER_ARCH)
 
-archprepare: $(ARCH_DIR)/include/shared/user_constants.h
-prepare: $(ARCH_DIR)/include/shared/kern_constants.h
+archprepare: $(SHARED_HEADERS)/user_constants.h
+archprepare: $(SHARED_HEADERS)/kern_constants.h
 
 LINK-$(CONFIG_LD_SCRIPT_STATIC) += -static
 LINK-$(CONFIG_LD_SCRIPT_DYN) += -Wl,-rpath,/lib
@@ -119,17 +120,13 @@ endef
 # When cleaning we don't include .config, so we don't include
 # TT or skas makefiles and don't clean skas_ptregs.h.
 CLEAN_FILES += linux x.i gmon.out \
-	$(ARCH_DIR)/include/shared/user_constants.h \
-	$(ARCH_DIR)/include/shared/kern_constants.h
+	$(SHARED_HEADERS)/user_constants.h \
+	$(SHARED_HEADERS)/kern_constants.h
 
 archclean:
 	@find . \( -name '*.bb' -o -name '*.bbg' -o -name '*.da' \
 		-o -name '*.gcov' \) -type f -print | xargs rm -f
 
-$(objtree)/$(ARCH_DIR)/include/shared:
-	@echo '  MKDIR $@'
-	$(Q)mkdir -p $@
-
 # Generated files
 
 $(ARCH_DIR)/sys-$(SUBARCH)/user-offsets.s: FORCE
@@ -148,11 +145,11 @@ define filechk_gen-asm-offsets
          echo ""; )
 endef
 
-$(ARCH_DIR)/include/shared/user_constants.h: $(ARCH_DIR)/sys-$(SUBARCH)/user-offsets.s
+$(SHARED_HEADERS)/user_constants.h: $(ARCH_DIR)/sys-$(SUBARCH)/user-offsets.s
 	$(call filechk,gen-asm-offsets)
 
-$(ARCH_DIR)/include/shared/kern_constants.h: $(objtree)/$(ARCH_DIR)/include/shared
-	@echo '  SYMLINK $@'
-	$(Q)ln -sf ../../../../include/asm/asm-offsets.h $@
+$(SHARED_HEADERS)/kern_constants.h:
+	$(Q)mkdir -p $(dir $@)
+	$(Q)echo '#include "../../../../include/asm/asm-offsets.h"' >$@
 
 export SUBARCH USER_CFLAGS CFLAGS_NO_HARDENING OS HEADER_ARCH DEV_NULL_PATH
diff --git a/arch/um/include/asm/system.h b/arch/um/include/asm/system.h
index ae5f94d6317d..753346e2cdfd 100644
--- a/arch/um/include/asm/system.h
+++ b/arch/um/include/asm/system.h
@@ -11,21 +11,21 @@ extern int get_signals(void);
 extern void block_signals(void);
 extern void unblock_signals(void);
 
-#define raw_local_save_flags(flags) do { typecheck(unsigned long, flags); \
+#define local_save_flags(flags) do { typecheck(unsigned long, flags); \
 				     (flags) = get_signals(); } while(0)
-#define raw_local_irq_restore(flags) do { typecheck(unsigned long, flags); \
+#define local_irq_restore(flags) do { typecheck(unsigned long, flags); \
 				      set_signals(flags); } while(0)
 
-#define raw_local_irq_save(flags) do { raw_local_save_flags(flags); \
-                                   raw_local_irq_disable(); } while(0)
+#define local_irq_save(flags) do { local_save_flags(flags); \
+                                   local_irq_disable(); } while(0)
 
-#define raw_local_irq_enable() unblock_signals()
-#define raw_local_irq_disable() block_signals()
+#define local_irq_enable() unblock_signals()
+#define local_irq_disable() block_signals()
 
 #define irqs_disabled()                 \
 ({                                      \
         unsigned long flags;            \
-        raw_local_save_flags(flags);        \
+        local_save_flags(flags);        \
         (flags == 0);                   \
 })
 
diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu
index 85a78575956c..8078955845ae 100644
--- a/arch/x86/Kconfig.cpu
+++ b/arch/x86/Kconfig.cpu
@@ -408,7 +408,7 @@ config X86_MINIMUM_CPU_FAMILY
 
 config X86_DEBUGCTLMSR
 	def_bool y
-	depends on !(MK6 || MWINCHIPC6 || MWINCHIP3D || MCYRIXIII || M586MMX || M586TSC || M586 || M486 || M386)
+	depends on !(MK6 || MWINCHIPC6 || MWINCHIP3D || MCYRIXIII || M586MMX || M586TSC || M586 || M486 || M386) && !UML
 
 menuconfig PROCESSOR_SELECT
 	bool "Supported processor vendors" if EMBEDDED
diff --git a/arch/x86/kernel/cpu/cpufreq/p4-clockmod.c b/arch/x86/kernel/cpu/cpufreq/p4-clockmod.c
index b8e05ee4f736..beea4466b063 100644
--- a/arch/x86/kernel/cpu/cpufreq/p4-clockmod.c
+++ b/arch/x86/kernel/cpu/cpufreq/p4-clockmod.c
@@ -160,6 +160,7 @@ static unsigned int cpufreq_p4_get_frequency(struct cpuinfo_x86 *c)
 		switch (c->x86_model) {
 		case 0x0E: /* Core */
 		case 0x0F: /* Core Duo */
+		case 0x16: /* Celeron Core */
 			p4clockmod_driver.flags |= CPUFREQ_CONST_LOOPS;
 			return speedstep_get_processor_frequency(SPEEDSTEP_PROCESSOR_PCORE);
 		case 0x0D: /* Pentium M (Dothan) */
@@ -171,7 +172,9 @@ static unsigned int cpufreq_p4_get_frequency(struct cpuinfo_x86 *c)
 	}
 
 	if (c->x86 != 0xF) {
-		printk(KERN_WARNING PFX "Unknown p4-clockmod-capable CPU. Please send an e-mail to <cpufreq@vger.kernel.org>\n");
+		if (!cpu_has(c, X86_FEATURE_EST))
+			printk(KERN_WARNING PFX "Unknown p4-clockmod-capable CPU. "
+				"Please send an e-mail to <cpufreq@vger.kernel.org>\n");
 		return 0;
 	}
 
@@ -274,6 +277,7 @@ static struct cpufreq_driver p4clockmod_driver = {
 	.name		= "p4-clockmod",
 	.owner		= THIS_MODULE,
 	.attr		= p4clockmod_attr,
+	.hide_interface	= 1,
 };
 
 
diff --git a/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c b/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c
index 3b5f06423e77..f0ea6fa2f53c 100644
--- a/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c
+++ b/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c
@@ -459,9 +459,7 @@ static int centrino_verify (struct cpufreq_policy *policy)
  * Sets a new CPUFreq policy.
  */
 struct allmasks {
-	cpumask_t		online_policy_cpus;
 	cpumask_t		saved_mask;
-	cpumask_t		set_mask;
 	cpumask_t		covered_cpus;
 };
 
@@ -475,9 +473,7 @@ static int centrino_target (struct cpufreq_policy *policy,
 	int			retval = 0;
 	unsigned int		j, k, first_cpu, tmp;
 	CPUMASK_ALLOC(allmasks);
-	CPUMASK_PTR(online_policy_cpus, allmasks);
 	CPUMASK_PTR(saved_mask, allmasks);
-	CPUMASK_PTR(set_mask, allmasks);
 	CPUMASK_PTR(covered_cpus, allmasks);
 
 	if (unlikely(allmasks == NULL))
@@ -497,30 +493,28 @@ static int centrino_target (struct cpufreq_policy *policy,
 		goto out;
 	}
 
-#ifdef CONFIG_HOTPLUG_CPU
-	/* cpufreq holds the hotplug lock, so we are safe from here on */
-	cpus_and(*online_policy_cpus, cpu_online_map, policy->cpus);
-#else
-	*online_policy_cpus = policy->cpus;
-#endif
-
 	*saved_mask = current->cpus_allowed;
 	first_cpu = 1;
 	cpus_clear(*covered_cpus);
-	for_each_cpu_mask_nr(j, *online_policy_cpus) {
+	for_each_cpu_mask_nr(j, policy->cpus) {
+		const cpumask_t *mask;
+
+		/* cpufreq holds the hotplug lock, so we are safe here */
+		if (!cpu_online(j))
+			continue;
+
 		/*
 		 * Support for SMP systems.
 		 * Make sure we are running on CPU that wants to change freq
 		 */
-		cpus_clear(*set_mask);
 		if (policy->shared_type == CPUFREQ_SHARED_TYPE_ANY)
-			cpus_or(*set_mask, *set_mask, *online_policy_cpus);
+			mask = &policy->cpus;
 		else
-			cpu_set(j, *set_mask);
+			mask = &cpumask_of_cpu(j);
 
-		set_cpus_allowed_ptr(current, set_mask);
+		set_cpus_allowed_ptr(current, mask);
 		preempt_disable();
-		if (unlikely(!cpu_isset(smp_processor_id(), *set_mask))) {
+		if (unlikely(!cpu_isset(smp_processor_id(), *mask))) {
 			dprintk("couldn't limit to CPUs in this domain\n");
 			retval = -EAGAIN;
 			if (first_cpu) {
@@ -548,7 +542,9 @@ static int centrino_target (struct cpufreq_policy *policy,
 			dprintk("target=%dkHz old=%d new=%d msr=%04x\n",
 				target_freq, freqs.old, freqs.new, msr);
 
-			for_each_cpu_mask_nr(k, *online_policy_cpus) {
+			for_each_cpu_mask_nr(k, policy->cpus) {
+				if (!cpu_online(k))
+					continue;
 				freqs.cpu = k;
 				cpufreq_notify_transition(&freqs,
 					CPUFREQ_PRECHANGE);
@@ -571,7 +567,9 @@ static int centrino_target (struct cpufreq_policy *policy,
 		preempt_enable();
 	}
 
-	for_each_cpu_mask_nr(k, *online_policy_cpus) {
+	for_each_cpu_mask_nr(k, policy->cpus) {
+		if (!cpu_online(k))
+			continue;
 		freqs.cpu = k;
 		cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
 	}
@@ -584,18 +582,17 @@ static int centrino_target (struct cpufreq_policy *policy,
 		 * Best effort undo..
 		 */
 
-		if (!cpus_empty(*covered_cpus))
-			for_each_cpu_mask_nr(j, *covered_cpus) {
-				set_cpus_allowed_ptr(current,
-						     &cpumask_of_cpu(j));
-				wrmsr(MSR_IA32_PERF_CTL, oldmsr, h);
-			}
+		for_each_cpu_mask_nr(j, *covered_cpus) {
+			set_cpus_allowed_ptr(current, &cpumask_of_cpu(j));
+			wrmsr(MSR_IA32_PERF_CTL, oldmsr, h);
+		}
 
 		tmp = freqs.new;
 		freqs.new = freqs.old;
 		freqs.old = tmp;
-		for_each_cpu_mask_nr(j, *online_policy_cpus) {
-			freqs.cpu = j;
+		for_each_cpu_mask_nr(j, policy->cpus) {
+			if (!cpu_online(j))
+				continue;
 			cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
 			cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
 		}
diff --git a/arch/x86/kernel/cpu/cpufreq/speedstep-lib.c b/arch/x86/kernel/cpu/cpufreq/speedstep-lib.c
index 98d4fdb7dc04..cdac7d62369b 100644
--- a/arch/x86/kernel/cpu/cpufreq/speedstep-lib.c
+++ b/arch/x86/kernel/cpu/cpufreq/speedstep-lib.c
@@ -139,6 +139,15 @@ static unsigned int pentium_core_get_frequency(void)
 	case 3:
 		fsb = 166667;
 		break;
+	case 2:
+		fsb = 200000;
+		break;
+	case 0:
+		fsb = 266667;
+		break;
+	case 4:
+		fsb = 333333;
+		break;
 	default:
 		printk(KERN_ERR "PCORE - MSR_FSB_FREQ undefined value");
 	}