From: Ingo Molnar <mingo@elte.hu>
Date: Fri, 13 Feb 2009 08:49:38 +0000 (+0100)
Subject: Merge branch 'x86/core' into perfcounters/core
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=b1864e9a1afef41709886072c6e6248def0386f4;p=linux-beck.git

Merge branch 'x86/core' into perfcounters/core

Conflicts:
	arch/x86/Kconfig
	arch/x86/kernel/apic.c
	arch/x86/kernel/setup_percpu.c
---

b1864e9a1afef41709886072c6e6248def0386f4
diff --cc arch/x86/Kconfig
index 97d3bd17b7df,1042d69b267d..f2d0d24c0b68
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@@ -691,8 -684,7 +684,8 @@@ config X86_UP_IOAPI
  
  config X86_LOCAL_APIC
  	def_bool y
- 	depends on X86_64 || (X86_32 && (X86_UP_APIC || (SMP && !X86_VOYAGER) || X86_GENERICARCH))
+ 	depends on X86_64 || SMP || X86_32_NON_STANDARD || X86_UP_APIC
 +	select HAVE_PERF_COUNTERS if (!M386 && !M486)
  
  config X86_IO_APIC
  	def_bool y
diff --cc arch/x86/include/asm/irq_vectors.h
index 0e2220bb3142,b07278c55e9e..b66b518ff000
--- a/arch/x86/include/asm/irq_vectors.h
+++ b/arch/x86/include/asm/irq_vectors.h
@@@ -86,13 -104,13 +104,18 @@@
   * to work around the 'lost local interrupt if more than 2 IRQ
   * sources per level' errata.
   */
- #define LOCAL_TIMER_VECTOR	0xef
+ #define LOCAL_TIMER_VECTOR		0xef
+ 
+ /*
+  * Performance monitoring interrupt vector:
+  */
+ #define LOCAL_PERF_VECTOR		0xee
  
 +/*
 + * Performance monitoring interrupt vector:
 + */
 +#define LOCAL_PERF_VECTOR	0xee
 +
  /*
   * First APIC vector available to drivers: (vectors 0x30-0xee) we
   * start at 0x31(0x41) to spread out vectors evenly between priority
diff --cc arch/x86/kernel/apic.c
index abfa0b641aea,cf2ca19e62da..c9aed4510585
--- a/arch/x86/kernel/apic.c
+++ b/arch/x86/kernel/apic.c
@@@ -14,52 -14,71 +14,72 @@@
   *	Mikael Pettersson	:	PM converted to driver model.
   */
  
- #include <linux/init.h>
- 
- #include <linux/mm.h>
- #include <linux/delay.h>
- #include <linux/bootmem.h>
- #include <linux/interrupt.h>
- #include <linux/mc146818rtc.h>
  #include <linux/kernel_stat.h>
- #include <linux/sysdev.h>
- #include <linux/ioport.h>
- #include <linux/cpu.h>
- #include <linux/clockchips.h>
+ #include <linux/mc146818rtc.h>
  #include <linux/acpi_pmtmr.h>
+ #include <linux/clockchips.h>
+ #include <linux/interrupt.h>
+ #include <linux/bootmem.h>
+ #include <linux/ftrace.h>
+ #include <linux/ioport.h>
  #include <linux/module.h>
- #include <linux/dmi.h>
+ #include <linux/sysdev.h>
+ #include <linux/delay.h>
+ #include <linux/timex.h>
  #include <linux/dmar.h>
- #include <linux/ftrace.h>
- #include <linux/smp.h>
+ #include <linux/init.h>
+ #include <linux/cpu.h>
+ #include <linux/dmi.h>
  #include <linux/nmi.h>
- #include <linux/timex.h>
+ #include <linux/smp.h>
+ #include <linux/mm.h>
  
 +#include <asm/perf_counter.h>
- #include <asm/atomic.h>
- #include <asm/mtrr.h>
- #include <asm/mpspec.h>
- #include <asm/desc.h>
  #include <asm/arch_hooks.h>
- #include <asm/hpet.h>
  #include <asm/pgalloc.h>
+ #include <asm/genapic.h>
+ #include <asm/atomic.h>
+ #include <asm/mpspec.h>
  #include <asm/i8253.h>
- #include <asm/idle.h>
+ #include <asm/i8259.h>
  #include <asm/proto.h>
  #include <asm/apic.h>
- #include <asm/i8259.h>
+ #include <asm/desc.h>
+ #include <asm/hpet.h>
+ #include <asm/idle.h>
+ #include <asm/mtrr.h>
  #include <asm/smp.h>
  
- #include <mach_apic.h>
- #include <mach_apicdef.h>
- #include <mach_ipi.h>
+ unsigned int num_processors;
+ 
+ unsigned disabled_cpus __cpuinitdata;
+ 
+ /* Processor that is doing the boot up */
+ unsigned int boot_cpu_physical_apicid = -1U;
  
  /*
-  * Sanity check
+  * The highest APIC ID seen during enumeration.
+  *
+  * This determines the messaging protocol we can use: if all APIC IDs
+  * are in the 0 ... 7 range, then we can use logical addressing which
+  * has some performance advantages (better broadcasting).
+  *
+  * If there's an APIC ID above 8, we use physical addressing.
   */
- #if ((SPURIOUS_APIC_VECTOR & 0x0F) != 0x0F)
- # error SPURIOUS_APIC_VECTOR definition error
- #endif
+ unsigned int max_physical_apicid;
+ 
+ /*
+  * Bitmask of physically existing CPUs:
+  */
+ physid_mask_t phys_cpu_present_map;
+ 
+ /*
+  * Map cpu index to physical APIC ID
+  */
+ DEFINE_EARLY_PER_CPU(u16, x86_cpu_to_apicid, BAD_APICID);
+ DEFINE_EARLY_PER_CPU(u16, x86_bios_cpu_apicid, BAD_APICID);
+ EXPORT_EARLY_PER_CPU_SYMBOL(x86_cpu_to_apicid);
+ EXPORT_EARLY_PER_CPU_SYMBOL(x86_bios_cpu_apicid);
  
  #ifdef CONFIG_X86_32
  /*
diff --cc arch/x86/kernel/irqinit_32.c
index f6ff71cdaba8,bf629cadec1a..520e6c1c5d22
--- a/arch/x86/kernel/irqinit_32.c
+++ b/arch/x86/kernel/irqinit_32.c
@@@ -154,41 -178,16 +163,44 @@@ static void __init apic_intr_init(void
  	/* IPI vectors for APIC spurious and error interrupts */
  	alloc_intr_gate(SPURIOUS_APIC_VECTOR, spurious_interrupt);
  	alloc_intr_gate(ERROR_APIC_VECTOR, error_interrupt);
 -#endif
 +# ifdef CONFIG_PERF_COUNTERS
 +	alloc_intr_gate(LOCAL_PERF_VECTOR, perf_counter_interrupt);
 +# endif
  
 -#if defined(CONFIG_X86_LOCAL_APIC) && defined(CONFIG_X86_MCE_P4THERMAL)
 +# ifdef CONFIG_X86_MCE_P4THERMAL
  	/* thermal monitor LVT interrupt */
  	alloc_intr_gate(THERMAL_APIC_VECTOR, thermal_interrupt);
 +# endif
  #endif
 +}
 +
 +/* Overridden in paravirt.c */
 +void init_IRQ(void) __attribute__((weak, alias("native_init_IRQ")));
 +
 +void __init native_init_IRQ(void)
 +{
 +	int i;
 +
 +	/* all the set up before the call gates are initialised */
 +	pre_intr_init_hook();
 +
 +	apic_intr_init();
 +
 +	/*
 +	 * Cover the whole vector space, no vector can escape
 +	 * us. (some of these will be overridden and become
 +	 * 'special' SMP interrupts)
 +	 */
 +	for (i = 0; i < (NR_VECTORS - FIRST_EXTERNAL_VECTOR); i++) {
 +		int vector = FIRST_EXTERNAL_VECTOR + i;
 +		/* SYSCALL_VECTOR was reserved in trap_init. */
 +		if (!test_bit(vector, used_vectors))
 +			set_intr_gate(vector, interrupt[i]);
 +	}
  
+ 	if (!acpi_ioapic)
+ 		setup_irq(2, &irq2);
+ 
  	/* setup after call gates are initialised (usually add in
  	 * the architecture specific gates)
  	 */