Merge branch 'linus' into x86/x2apic

21 files changed, 75 insertions, 89 deletions

diff --git a/include/asm-x86/alternative.h b/include/asm-x86/alternative.h
index 1f6a9ca10126..f6aa18eadf71 100644
--- a/include/asm-x86/alternative.h
+++ b/include/asm-x86/alternative.h
@@ -72,6 +72,8 @@ static inline void alternatives_smp_module_del(struct module *mod) {}
 static inline void alternatives_smp_switch(int smp) {}
 #endif	/* CONFIG_SMP */
 
+const unsigned char *const *find_nop_table(void);
+
 /*
  * Alternative instructions for different CPU types or capabilities.
  *
diff --git a/include/asm-x86/desc.h b/include/asm-x86/desc.h
index 07f9f2b17be8..a44c4dc70590 100644
--- a/include/asm-x86/desc.h
+++ b/include/asm-x86/desc.h
@@ -188,8 +188,8 @@ static inline void native_set_ldt(const void *addr, unsigned int entries)
 		unsigned cpu = smp_processor_id();
 		ldt_desc ldt;
 
-		set_tssldt_descriptor(&ldt, (unsigned long)addr,
-				      DESC_LDT, entries * sizeof(ldt) - 1);
+		set_tssldt_descriptor(&ldt, (unsigned long)addr, DESC_LDT,
+				      entries * LDT_ENTRY_SIZE - 1);
 		write_gdt_entry(get_cpu_gdt_table(cpu), GDT_ENTRY_LDT,
 				&ldt, DESC_LDT);
 		asm volatile("lldt %w0"::"q" (GDT_ENTRY_LDT*8));
diff --git a/include/asm-x86/dwarf2.h b/include/asm-x86/dwarf2.h
index 0bfe250894f7..738bb9fb3e53 100644
--- a/include/asm-x86/dwarf2.h
+++ b/include/asm-x86/dwarf2.h
@@ -38,23 +38,23 @@
 
 /* Due to the structure of pre-exisiting code, don't use assembler line
    comment character # to ignore the arguments. Instead, use a dummy macro. */
-.macro ignore a=0, b=0, c=0, d=0
+.macro cfi_ignore a=0, b=0, c=0, d=0
 .endm
 
-#define CFI_STARTPROC	ignore
-#define CFI_ENDPROC	ignore
-#define CFI_DEF_CFA	ignore
-#define CFI_DEF_CFA_REGISTER	ignore
-#define CFI_DEF_CFA_OFFSET	ignore
-#define CFI_ADJUST_CFA_OFFSET	ignore
-#define CFI_OFFSET	ignore
-#define CFI_REL_OFFSET	ignore
-#define CFI_REGISTER	ignore
-#define CFI_RESTORE	ignore
-#define CFI_REMEMBER_STATE ignore
-#define CFI_RESTORE_STATE ignore
-#define CFI_UNDEFINED ignore
-#define CFI_SIGNAL_FRAME ignore
+#define CFI_STARTPROC	cfi_ignore
+#define CFI_ENDPROC	cfi_ignore
+#define CFI_DEF_CFA	cfi_ignore
+#define CFI_DEF_CFA_REGISTER	cfi_ignore
+#define CFI_DEF_CFA_OFFSET	cfi_ignore
+#define CFI_ADJUST_CFA_OFFSET	cfi_ignore
+#define CFI_OFFSET	cfi_ignore
+#define CFI_REL_OFFSET	cfi_ignore
+#define CFI_REGISTER	cfi_ignore
+#define CFI_RESTORE	cfi_ignore
+#define CFI_REMEMBER_STATE cfi_ignore
+#define CFI_RESTORE_STATE cfi_ignore
+#define CFI_UNDEFINED cfi_ignore
+#define CFI_SIGNAL_FRAME cfi_ignore
 
 #endif
 
diff --git a/include/asm-x86/e820.h b/include/asm-x86/e820.h
index 33e793e991d0..06633b01dd5b 100644
--- a/include/asm-x86/e820.h
+++ b/include/asm-x86/e820.h
@@ -59,6 +59,7 @@ struct e820map {
 	struct e820entry map[E820_X_MAX];
 };
 
+#ifdef __KERNEL__
 /* see comment in arch/x86/kernel/e820.c */
 extern struct e820map e820;
 extern struct e820map e820_saved;
@@ -115,7 +116,7 @@ extern void setup_memory_map(void);
 extern char *default_machine_specific_memory_setup(void);
 extern char *machine_specific_memory_setup(void);
 extern char *memory_setup(void);
-
+#endif /* __KERNEL__ */
 #endif /* __ASSEMBLY__ */
 
 #define ISA_START_ADDRESS	0xa0000
diff --git a/include/asm-x86/fixmap_64.h b/include/asm-x86/fixmap_64.h
index 6a4789d57e6c..00f3d74a0524 100644
--- a/include/asm-x86/fixmap_64.h
+++ b/include/asm-x86/fixmap_64.h
@@ -40,7 +40,6 @@ enum fixed_addresses {
 	VSYSCALL_HPET,
 	FIX_DBGP_BASE,
 	FIX_EARLYCON_MEM_BASE,
-	FIX_HPET_BASE,
 	FIX_APIC_BASE,	/* local (CPU) APIC) -- required for SMP or not */
 	FIX_IO_APIC_BASE_0,
 	FIX_IO_APIC_BASE_END = FIX_IO_APIC_BASE_0 + MAX_IO_APICS - 1,
diff --git a/include/asm-x86/ftrace.h b/include/asm-x86/ftrace.h
new file mode 100644
index 000000000000..c184441133f2
--- /dev/null
+++ b/include/asm-x86/ftrace.h
@@ -0,0 +1,14 @@
+#ifndef _ASM_X86_FTRACE
+#define _ASM_SPARC64_FTRACE
+
+#ifdef CONFIG_FTRACE
+#define MCOUNT_ADDR		((long)(mcount))
+#define MCOUNT_INSN_SIZE	5 /* sizeof mcount call */
+
+#ifndef __ASSEMBLY__
+extern void mcount(void);
+#endif
+
+#endif /* CONFIG_FTRACE */
+
+#endif /* _ASM_X86_FTRACE */
diff --git a/include/asm-x86/genapic_32.h b/include/asm-x86/genapic_32.h
index 33a73f5ed222..b02ea6e17de8 100644
--- a/include/asm-x86/genapic_32.h
+++ b/include/asm-x86/genapic_32.h
@@ -119,10 +119,5 @@ enum uv_system_type {UV_NONE, UV_LEGACY_APIC, UV_X2APIC, UV_NON_UNIQUE_APIC};
 #define is_uv_system()			0
 #define uv_wakeup_secondary(a, b)	1
 
-#ifdef CONFIG_X86_IO_APIC
-extern void force_mask_ioapic_irq_2(void);
-#else
-static inline void force_mask_ioapic_irq_2(void) { }
-#endif
 
 #endif
diff --git a/include/asm-x86/genapic_64.h b/include/asm-x86/genapic_64.h
index 8ff2589da93b..2871b3fccb21 100644
--- a/include/asm-x86/genapic_64.h
+++ b/include/asm-x86/genapic_64.h
@@ -53,10 +53,4 @@ extern int uv_wakeup_secondary(int phys_apicid, unsigned int start_rip);
 
 extern void setup_apic_routing(void);
 
-#ifdef CONFIG_X86_IO_APIC
-extern void force_mask_ioapic_irq_2(void);
-#else
-static inline void force_mask_ioapic_irq_2(void) { }
-#endif
-
 #endif
diff --git a/include/asm-x86/hw_irq.h b/include/asm-x86/hw_irq.h
index 2ae47e7c1063..ef7a995ee81f 100644
--- a/include/asm-x86/hw_irq.h
+++ b/include/asm-x86/hw_irq.h
@@ -48,6 +48,7 @@ extern void irq_move_cleanup_interrupt(void);
 extern void threshold_interrupt(void);
 
 extern void call_function_interrupt(void);
+extern void call_function_single_interrupt(void);
 
 /* PIC specific functions */
 extern void disable_8259A_irq(unsigned int irq);
diff --git a/include/asm-x86/irq_vectors.h b/include/asm-x86/irq_vectors.h
index 0ac864ef3cd4..90b1d1f12f08 100644
--- a/include/asm-x86/irq_vectors.h
+++ b/include/asm-x86/irq_vectors.h
@@ -64,6 +64,7 @@
 # define INVALIDATE_TLB_VECTOR		0xfd
 # define RESCHEDULE_VECTOR		0xfc
 # define CALL_FUNCTION_VECTOR		0xfb
+# define CALL_FUNCTION_SINGLE_VECTOR	0xfa
 # define THERMAL_APIC_VECTOR		0xf0
 
 #else
@@ -72,6 +73,7 @@
 #define ERROR_APIC_VECTOR		0xfe
 #define RESCHEDULE_VECTOR		0xfd
 #define CALL_FUNCTION_VECTOR		0xfc
+#define CALL_FUNCTION_SINGLE_VECTOR	0xfb
 #define THERMAL_APIC_VECTOR		0xfa
 #define THRESHOLD_APIC_VECTOR		0xf9
 #define INVALIDATE_TLB_VECTOR_END	0xf7
@@ -143,6 +145,7 @@
 #define VIC_RESCHEDULE_CPI		4
 #define VIC_ENABLE_IRQ_CPI		5
 #define VIC_CALL_FUNCTION_CPI		6
+#define VIC_CALL_FUNCTION_SINGLE_CPI	7
 
 /* Now the QIC CPIs:  Since we don't need the two initial levels,
  * these are 2 less than the VIC CPIs */
@@ -152,9 +155,10 @@
 #define QIC_RESCHEDULE_CPI		(VIC_RESCHEDULE_CPI - QIC_CPI_OFFSET)
 #define QIC_ENABLE_IRQ_CPI		(VIC_ENABLE_IRQ_CPI - QIC_CPI_OFFSET)
 #define QIC_CALL_FUNCTION_CPI		(VIC_CALL_FUNCTION_CPI - QIC_CPI_OFFSET)
+#define QIC_CALL_FUNCTION_SINGLE_CPI	(VIC_CALL_FUNCTION_SINGLE_CPI - QIC_CPI_OFFSET)
 
 #define VIC_START_FAKE_CPI		VIC_TIMER_CPI
-#define VIC_END_FAKE_CPI		VIC_CALL_FUNCTION_CPI
+#define VIC_END_FAKE_CPI		VIC_CALL_FUNCTION_SINGLE_CPI
 
 /* this is the SYS_INT CPI. */
 #define VIC_SYS_INT			8
diff --git a/include/asm-x86/irqflags.h b/include/asm-x86/irqflags.h
index 17e7a1701c97..424acb48cd61 100644
--- a/include/asm-x86/irqflags.h
+++ b/include/asm-x86/irqflags.h
@@ -190,8 +190,6 @@ static inline void trace_hardirqs_fixup(void)
 #else
 
 #ifdef CONFIG_X86_64
-#define ARCH_TRACE_IRQS_ON		call trace_hardirqs_on_thunk
-#define ARCH_TRACE_IRQS_OFF		call trace_hardirqs_off_thunk
 #define ARCH_LOCKDEP_SYS_EXIT		call lockdep_sys_exit_thunk
 #define ARCH_LOCKDEP_SYS_EXIT_IRQ	\
 	TRACE_IRQS_ON; \
@@ -203,24 +201,6 @@ static inline void trace_hardirqs_fixup(void)
 	TRACE_IRQS_OFF;
 
 #else
-#define ARCH_TRACE_IRQS_ON			\
-	pushl %eax;				\
-	pushl %ecx;				\
-	pushl %edx;				\
-	call trace_hardirqs_on;			\
-	popl %edx;				\
-	popl %ecx;				\
-	popl %eax;
-
-#define ARCH_TRACE_IRQS_OFF			\
-	pushl %eax;				\
-	pushl %ecx;				\
-	pushl %edx;				\
-	call trace_hardirqs_off;		\
-	popl %edx;				\
-	popl %ecx;				\
-	popl %eax;
-
 #define ARCH_LOCKDEP_SYS_EXIT			\
 	pushl %eax;				\
 	pushl %ecx;				\
@@ -234,8 +214,8 @@ static inline void trace_hardirqs_fixup(void)
 #endif
 
 #ifdef CONFIG_TRACE_IRQFLAGS
-#  define TRACE_IRQS_ON		ARCH_TRACE_IRQS_ON
-#  define TRACE_IRQS_OFF	ARCH_TRACE_IRQS_OFF
+#  define TRACE_IRQS_ON		call trace_hardirqs_on_thunk;
+#  define TRACE_IRQS_OFF	call trace_hardirqs_off_thunk;
 #else
 #  define TRACE_IRQS_ON
 #  define TRACE_IRQS_OFF
diff --git a/include/asm-x86/mach-default/entry_arch.h b/include/asm-x86/mach-default/entry_arch.h
index bc861469bdba..9283b60a1dd2 100644
--- a/include/asm-x86/mach-default/entry_arch.h
+++ b/include/asm-x86/mach-default/entry_arch.h
@@ -13,6 +13,7 @@
 BUILD_INTERRUPT(reschedule_interrupt,RESCHEDULE_VECTOR)
 BUILD_INTERRUPT(invalidate_interrupt,INVALIDATE_TLB_VECTOR)
 BUILD_INTERRUPT(call_function_interrupt,CALL_FUNCTION_VECTOR)
+BUILD_INTERRUPT(call_function_single_interrupt,CALL_FUNCTION_SINGLE_VECTOR)
 #endif
 
 /*
diff --git a/include/asm-x86/mach-visws/entry_arch.h b/include/asm-x86/mach-visws/entry_arch.h
index b183fa6d83d9..86be554342d4 100644
--- a/include/asm-x86/mach-visws/entry_arch.h
+++ b/include/asm-x86/mach-visws/entry_arch.h
@@ -1,23 +1,5 @@
 /*
- * The following vectors are part of the Linux architecture, there
- * is no hardware IRQ pin equivalent for them, they are triggered
- * through the ICC by us (IPIs)
+ * VISWS uses the standard Linux entry points:
  */
-#ifdef CONFIG_X86_SMP
-BUILD_INTERRUPT(reschedule_interrupt,RESCHEDULE_VECTOR)
-BUILD_INTERRUPT(invalidate_interrupt,INVALIDATE_TLB_VECTOR)
-BUILD_INTERRUPT(call_function_interrupt,CALL_FUNCTION_VECTOR)
-#endif
 
-/*
- * every pentium local APIC has two 'local interrupts', with a
- * soft-definable vector attached to both interrupts, one of
- * which is a timer interrupt, the other one is error counter
- * overflow. Linux uses the local APIC timer interrupt to get
- * a much simpler SMP time architecture:
- */
-#ifdef CONFIG_X86_LOCAL_APIC
-BUILD_INTERRUPT(apic_timer_interrupt,LOCAL_TIMER_VECTOR)
-BUILD_INTERRUPT(error_interrupt,ERROR_APIC_VECTOR)
-BUILD_INTERRUPT(spurious_interrupt,SPURIOUS_APIC_VECTOR)
-#endif
+#include "../mach-default/entry_arch.h"
diff --git a/include/asm-x86/mach-voyager/entry_arch.h b/include/asm-x86/mach-voyager/entry_arch.h
index 4a1e1e8c10b6..ae52624b5937 100644
--- a/include/asm-x86/mach-voyager/entry_arch.h
+++ b/include/asm-x86/mach-voyager/entry_arch.h
@@ -23,4 +23,4 @@ BUILD_INTERRUPT(qic_invalidate_interrupt, QIC_INVALIDATE_CPI);
 BUILD_INTERRUPT(qic_reschedule_interrupt, QIC_RESCHEDULE_CPI);
 BUILD_INTERRUPT(qic_enable_irq_interrupt, QIC_ENABLE_IRQ_CPI);
 BUILD_INTERRUPT(qic_call_function_interrupt, QIC_CALL_FUNCTION_CPI);
-
+BUILD_INTERRUPT(qic_call_function_single_interrupt, QIC_CALL_FUNCTION_SINGLE_CPI);
diff --git a/include/asm-x86/numaq.h b/include/asm-x86/numaq.h
index ef068d2465d6..34b92d581fa3 100644
--- a/include/asm-x86/numaq.h
+++ b/include/asm-x86/numaq.h
@@ -157,6 +157,8 @@ struct sys_cfg_data {
 	struct		eachquadmem eq[MAX_NUMNODES];	/* indexed by quad id */
 };
 
+void numaq_tsc_disable(void);
+
 #else
 static inline int get_memcfg_numaq(void)
 {
diff --git a/include/asm-x86/pci-direct.h b/include/asm-x86/pci-direct.h
index 5b21485be573..80c775d9fe20 100644
--- a/include/asm-x86/pci-direct.h
+++ b/include/asm-x86/pci-direct.h
@@ -11,7 +11,11 @@ extern u8 read_pci_config_byte(u8 bus, u8 slot, u8 func, u8 offset);
 extern u16 read_pci_config_16(u8 bus, u8 slot, u8 func, u8 offset);
 extern void write_pci_config(u8 bus, u8 slot, u8 func, u8 offset, u32 val);
 extern void write_pci_config_byte(u8 bus, u8 slot, u8 func, u8 offset, u8 val);
+extern void write_pci_config_16(u8 bus, u8 slot, u8 func, u8 offset, u16 val);
 
 extern int early_pci_allowed(void);
 
+extern unsigned int pci_early_dump_regs;
+extern void early_dump_pci_device(u8 bus, u8 slot, u8 func);
+extern void early_dump_pci_devices(void);
 #endif
diff --git a/include/asm-x86/processor.h b/include/asm-x86/processor.h
index 7f7382704592..55402d2ab938 100644
--- a/include/asm-x86/processor.h
+++ b/include/asm-x86/processor.h
@@ -727,6 +727,8 @@ extern int			force_mwait;
 extern void select_idle_routine(const struct cpuinfo_x86 *c);
 
 extern unsigned long		boot_option_idle_override;
+extern unsigned long		idle_halt;
+extern unsigned long		idle_nomwait;
 
 extern void enable_sep_cpu(void);
 extern int sysenter_setup(void);
diff --git a/include/asm-x86/smp.h b/include/asm-x86/smp.h
index 3b43ca202c3b..1896cdb0076a 100644
--- a/include/asm-x86/smp.h
+++ b/include/asm-x86/smp.h
@@ -50,9 +50,9 @@ struct smp_ops {
 
 	void (*smp_send_stop)(void);
 	void (*smp_send_reschedule)(int cpu);
-	int (*smp_call_function_mask)(cpumask_t mask,
-				      void (*func)(void *info), void *info,
-				      int wait);
+
+	void (*send_call_func_ipi)(cpumask_t mask);
+	void (*send_call_func_single_ipi)(int cpu);
 };
 
 /* Globals due to paravirt */
@@ -94,17 +94,22 @@ static inline void smp_send_reschedule(int cpu)
 	smp_ops.smp_send_reschedule(cpu);
 }
 
-static inline int smp_call_function_mask(cpumask_t mask,
-					 void (*func) (void *info), void *info,
-					 int wait)
+static inline void arch_send_call_function_single_ipi(int cpu)
+{
+	smp_ops.send_call_func_single_ipi(cpu);
+}
+
+static inline void arch_send_call_function_ipi(cpumask_t mask)
 {
-	return smp_ops.smp_call_function_mask(mask, func, info, wait);
+	smp_ops.send_call_func_ipi(mask);
 }
 
 void native_smp_prepare_boot_cpu(void);
 void native_smp_prepare_cpus(unsigned int max_cpus);
 void native_smp_cpus_done(unsigned int max_cpus);
 int native_cpu_up(unsigned int cpunum);
+void native_send_call_func_ipi(cpumask_t mask);
+void native_send_call_func_single_ipi(int cpu);
 
 extern int __cpu_disable(void);
 extern void __cpu_die(unsigned int cpu);
@@ -200,7 +205,5 @@ static inline int hard_smp_processor_id(void)
 extern void cpu_uninit(void);
 #endif
 
-extern void lock_ipi_call_lock(void);
-extern void unlock_ipi_call_lock(void);
 #endif /* __ASSEMBLY__ */
 #endif
diff --git a/include/asm-x86/topology.h b/include/asm-x86/topology.h
index 98e5f17ea856..90ac7718469a 100644
--- a/include/asm-x86/topology.h
+++ b/include/asm-x86/topology.h
@@ -82,7 +82,7 @@ DECLARE_EARLY_PER_CPU(int, x86_cpu_to_node_map);
 #ifdef CONFIG_DEBUG_PER_CPU_MAPS
 extern int cpu_to_node(int cpu);
 extern int early_cpu_to_node(int cpu);
-extern cpumask_t *_node_to_cpumask_ptr(int node);
+extern const cpumask_t *_node_to_cpumask_ptr(int node);
 extern cpumask_t node_to_cpumask(int node);
 
 #else	/* !CONFIG_DEBUG_PER_CPU_MAPS */
@@ -103,7 +103,7 @@ static inline int early_cpu_to_node(int cpu)
 }
 
 /* Returns a pointer to the cpumask of CPUs on Node 'node'. */
-static inline cpumask_t *_node_to_cpumask_ptr(int node)
+static inline const cpumask_t *_node_to_cpumask_ptr(int node)
 {
 	return &node_to_cpumask_map[node];
 }
@@ -118,7 +118,7 @@ static inline cpumask_t node_to_cpumask(int node)
 
 /* Replace default node_to_cpumask_ptr with optimized version */
 #define node_to_cpumask_ptr(v, node)		\
-		cpumask_t *v = _node_to_cpumask_ptr(node)
+		const cpumask_t *v = _node_to_cpumask_ptr(node)
 
 #define node_to_cpumask_ptr_next(v, node)	\
 			   v = _node_to_cpumask_ptr(node)
@@ -186,7 +186,7 @@ extern int __node_distance(int, int);
 #define	cpu_to_node(cpu)	0
 #define	early_cpu_to_node(cpu)	0
 
-static inline cpumask_t *_node_to_cpumask_ptr(int node)
+static inline const cpumask_t *_node_to_cpumask_ptr(int node)
 {
 	return &cpu_online_map;
 }
@@ -201,7 +201,7 @@ static inline int node_to_first_cpu(int node)
 
 /* Replace default node_to_cpumask_ptr with optimized version */
 #define node_to_cpumask_ptr(v, node)		\
-		cpumask_t *v = _node_to_cpumask_ptr(node)
+		const cpumask_t *v = _node_to_cpumask_ptr(node)
 
 #define node_to_cpumask_ptr_next(v, node)	\
 			   v = _node_to_cpumask_ptr(node)
diff --git a/include/asm-x86/vsyscall.h b/include/asm-x86/vsyscall.h
index 17b3700949bf..6b66ff905af0 100644
--- a/include/asm-x86/vsyscall.h
+++ b/include/asm-x86/vsyscall.h
@@ -24,7 +24,8 @@ enum vsyscall_num {
 	((unused, __section__ (".vsyscall_gtod_data"),aligned(16)))
 #define __section_vsyscall_clock __attribute__ \
 	((unused, __section__ (".vsyscall_clock"),aligned(16)))
-#define __vsyscall_fn __attribute__ ((unused,__section__(".vsyscall_fn")))
+#define __vsyscall_fn \
+	__attribute__ ((unused, __section__(".vsyscall_fn"))) notrace
 
 #define VGETCPU_RDTSCP	1
 #define VGETCPU_LSL	2
diff --git a/include/asm-x86/xen/events.h b/include/asm-x86/xen/events.h
index 596312a7bfc9..f8d57ea1f05f 100644
--- a/include/asm-x86/xen/events.h
+++ b/include/asm-x86/xen/events.h
@@ -4,6 +4,7 @@
 enum ipi_vector {
 	XEN_RESCHEDULE_VECTOR,
 	XEN_CALL_FUNCTION_VECTOR,
+	XEN_CALL_FUNCTION_SINGLE_VECTOR,
 
 	XEN_NR_IPIS,
 };