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authorIngo Molnar <mingo@elte.hu>2009-03-26 16:39:17 -0400
committerIngo Molnar <mingo@elte.hu>2009-03-27 12:28:43 -0400
commit6e15cf04860074ad032e88c306bea656bbdd0f22 (patch)
treec346383bb7563e8d66b2f4a502f875b259c34870 /arch/x86/kernel/setup.c
parentbe0ea69674ed95e1e98cb3687a241badc756d228 (diff)
parent60db56422043aaa455ac7f858ce23c273220f9d9 (diff)
Merge branch 'core/percpu' into percpu-cpumask-x86-for-linus-2
Conflicts: arch/parisc/kernel/irq.c arch/x86/include/asm/fixmap_64.h arch/x86/include/asm/setup.h kernel/irq/handle.c Semantic merge: arch/x86/include/asm/fixmap.h Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/setup.c')
-rw-r--r--arch/x86/kernel/setup.c139
1 files changed, 112 insertions, 27 deletions
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 6a8811a69324..b746deb9ebc6 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -74,14 +74,15 @@
74#include <asm/e820.h> 74#include <asm/e820.h>
75#include <asm/mpspec.h> 75#include <asm/mpspec.h>
76#include <asm/setup.h> 76#include <asm/setup.h>
77#include <asm/arch_hooks.h>
78#include <asm/efi.h> 77#include <asm/efi.h>
78#include <asm/timer.h>
79#include <asm/i8259.h>
79#include <asm/sections.h> 80#include <asm/sections.h>
80#include <asm/dmi.h> 81#include <asm/dmi.h>
81#include <asm/io_apic.h> 82#include <asm/io_apic.h>
82#include <asm/ist.h> 83#include <asm/ist.h>
83#include <asm/vmi.h> 84#include <asm/vmi.h>
84#include <setup_arch.h> 85#include <asm/setup_arch.h>
85#include <asm/bios_ebda.h> 86#include <asm/bios_ebda.h>
86#include <asm/cacheflush.h> 87#include <asm/cacheflush.h>
87#include <asm/processor.h> 88#include <asm/processor.h>
@@ -89,7 +90,7 @@
89 90
90#include <asm/system.h> 91#include <asm/system.h>
91#include <asm/vsyscall.h> 92#include <asm/vsyscall.h>
92#include <asm/smp.h> 93#include <asm/cpu.h>
93#include <asm/desc.h> 94#include <asm/desc.h>
94#include <asm/dma.h> 95#include <asm/dma.h>
95#include <asm/iommu.h> 96#include <asm/iommu.h>
@@ -97,7 +98,6 @@
97#include <asm/mmu_context.h> 98#include <asm/mmu_context.h>
98#include <asm/proto.h> 99#include <asm/proto.h>
99 100
100#include <mach_apic.h>
101#include <asm/paravirt.h> 101#include <asm/paravirt.h>
102#include <asm/hypervisor.h> 102#include <asm/hypervisor.h>
103 103
@@ -112,6 +112,20 @@
112#define ARCH_SETUP 112#define ARCH_SETUP
113#endif 113#endif
114 114
115unsigned int boot_cpu_id __read_mostly;
116
117#ifdef CONFIG_X86_64
118int default_cpu_present_to_apicid(int mps_cpu)
119{
120 return __default_cpu_present_to_apicid(mps_cpu);
121}
122
123int default_check_phys_apicid_present(int boot_cpu_physical_apicid)
124{
125 return __default_check_phys_apicid_present(boot_cpu_physical_apicid);
126}
127#endif
128
115#ifndef CONFIG_DEBUG_BOOT_PARAMS 129#ifndef CONFIG_DEBUG_BOOT_PARAMS
116struct boot_params __initdata boot_params; 130struct boot_params __initdata boot_params;
117#else 131#else
@@ -586,20 +600,7 @@ static int __init setup_elfcorehdr(char *arg)
586early_param("elfcorehdr", setup_elfcorehdr); 600early_param("elfcorehdr", setup_elfcorehdr);
587#endif 601#endif
588 602
589static int __init default_update_genapic(void) 603static struct x86_quirks default_x86_quirks __initdata;
590{
591#ifdef CONFIG_X86_SMP
592# if defined(CONFIG_X86_GENERICARCH) || defined(CONFIG_X86_64)
593 genapic->wakeup_cpu = wakeup_secondary_cpu_via_init;
594# endif
595#endif
596
597 return 0;
598}
599
600static struct x86_quirks default_x86_quirks __initdata = {
601 .update_genapic = default_update_genapic,
602};
603 604
604struct x86_quirks *x86_quirks __initdata = &default_x86_quirks; 605struct x86_quirks *x86_quirks __initdata = &default_x86_quirks;
605 606
@@ -656,7 +657,6 @@ void __init setup_arch(char **cmdline_p)
656#ifdef CONFIG_X86_32 657#ifdef CONFIG_X86_32
657 memcpy(&boot_cpu_data, &new_cpu_data, sizeof(new_cpu_data)); 658 memcpy(&boot_cpu_data, &new_cpu_data, sizeof(new_cpu_data));
658 visws_early_detect(); 659 visws_early_detect();
659 pre_setup_arch_hook();
660#else 660#else
661 printk(KERN_INFO "Command line: %s\n", boot_command_line); 661 printk(KERN_INFO "Command line: %s\n", boot_command_line);
662#endif 662#endif
@@ -824,8 +824,7 @@ void __init setup_arch(char **cmdline_p)
824#else 824#else
825 num_physpages = max_pfn; 825 num_physpages = max_pfn;
826 826
827 if (cpu_has_x2apic) 827 check_x2apic();
828 check_x2apic();
829 828
830 /* How many end-of-memory variables you have, grandma! */ 829 /* How many end-of-memory variables you have, grandma! */
831 /* need this before calling reserve_initrd */ 830 /* need this before calling reserve_initrd */
@@ -865,9 +864,7 @@ void __init setup_arch(char **cmdline_p)
865 864
866 reserve_initrd(); 865 reserve_initrd();
867 866
868#ifdef CONFIG_X86_64
869 vsmp_init(); 867 vsmp_init();
870#endif
871 868
872 io_delay_init(); 869 io_delay_init();
873 870
@@ -893,12 +890,11 @@ void __init setup_arch(char **cmdline_p)
893 */ 890 */
894 acpi_reserve_bootmem(); 891 acpi_reserve_bootmem();
895#endif 892#endif
896#ifdef CONFIG_X86_FIND_SMP_CONFIG
897 /* 893 /*
898 * Find and reserve possible boot-time SMP configuration: 894 * Find and reserve possible boot-time SMP configuration:
899 */ 895 */
900 find_smp_config(); 896 find_smp_config();
901#endif 897
902 reserve_crashkernel(); 898 reserve_crashkernel();
903 899
904#ifdef CONFIG_X86_64 900#ifdef CONFIG_X86_64
@@ -925,9 +921,7 @@ void __init setup_arch(char **cmdline_p)
925 map_vsyscall(); 921 map_vsyscall();
926#endif 922#endif
927 923
928#ifdef CONFIG_X86_GENERICARCH
929 generic_apic_probe(); 924 generic_apic_probe();
930#endif
931 925
932 early_quirks(); 926 early_quirks();
933 927
@@ -978,4 +972,95 @@ void __init setup_arch(char **cmdline_p)
978#endif 972#endif
979} 973}
980 974
975#ifdef CONFIG_X86_32
981 976
977/**
978 * x86_quirk_pre_intr_init - initialisation prior to setting up interrupt vectors
979 *
980 * Description:
981 * Perform any necessary interrupt initialisation prior to setting up
982 * the "ordinary" interrupt call gates. For legacy reasons, the ISA
983 * interrupts should be initialised here if the machine emulates a PC
984 * in any way.
985 **/
986void __init x86_quirk_pre_intr_init(void)
987{
988 if (x86_quirks->arch_pre_intr_init) {
989 if (x86_quirks->arch_pre_intr_init())
990 return;
991 }
992 init_ISA_irqs();
993}
994
995/**
996 * x86_quirk_intr_init - post gate setup interrupt initialisation
997 *
998 * Description:
999 * Fill in any interrupts that may have been left out by the general
1000 * init_IRQ() routine. interrupts having to do with the machine rather
1001 * than the devices on the I/O bus (like APIC interrupts in intel MP
1002 * systems) are started here.
1003 **/
1004void __init x86_quirk_intr_init(void)
1005{
1006 if (x86_quirks->arch_intr_init) {
1007 if (x86_quirks->arch_intr_init())
1008 return;
1009 }
1010}
1011
1012/**
1013 * x86_quirk_trap_init - initialise system specific traps
1014 *
1015 * Description:
1016 * Called as the final act of trap_init(). Used in VISWS to initialise
1017 * the various board specific APIC traps.
1018 **/
1019void __init x86_quirk_trap_init(void)
1020{
1021 if (x86_quirks->arch_trap_init) {
1022 if (x86_quirks->arch_trap_init())
1023 return;
1024 }
1025}
1026
1027static struct irqaction irq0 = {
1028 .handler = timer_interrupt,
1029 .flags = IRQF_DISABLED | IRQF_NOBALANCING | IRQF_IRQPOLL | IRQF_TIMER,
1030 .mask = CPU_MASK_NONE,
1031 .name = "timer"
1032};
1033
1034/**
1035 * x86_quirk_pre_time_init - do any specific initialisations before.
1036 *
1037 **/
1038void __init x86_quirk_pre_time_init(void)
1039{
1040 if (x86_quirks->arch_pre_time_init)
1041 x86_quirks->arch_pre_time_init();
1042}
1043
1044/**
1045 * x86_quirk_time_init - do any specific initialisations for the system timer.
1046 *
1047 * Description:
1048 * Must plug the system timer interrupt source at HZ into the IRQ listed
1049 * in irq_vectors.h:TIMER_IRQ
1050 **/
1051void __init x86_quirk_time_init(void)
1052{
1053 if (x86_quirks->arch_time_init) {
1054 /*
1055 * A nonzero return code does not mean failure, it means
1056 * that the architecture quirk does not want any
1057 * generic (timer) setup to be performed after this:
1058 */
1059 if (x86_quirks->arch_time_init())
1060 return;
1061 }
1062
1063 irq0.mask = cpumask_of_cpu(0);
1064 setup_irq(0, &irq0);
1065}
1066#endif /* CONFIG_X86_32 */