diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-14 12:58:24 -0500 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-14 12:58:24 -0500 |
commit | d0316554d3586cbea60592a41391b5def2553d6f (patch) | |
tree | 5e7418f0bacbc68cec5dfd1541e03eb56870aa02 /arch/ia64/kernel | |
parent | fb0bbb92d42d5bd0ab224605444efdfed06d6934 (diff) | |
parent | 51e99be00ce2713cbb841cedc997cafa6e26c7f4 (diff) |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu: (34 commits)
m68k: rename global variable vmalloc_end to m68k_vmalloc_end
percpu: add missing per_cpu_ptr_to_phys() definition for UP
percpu: Fix kdump failure if booted with percpu_alloc=page
percpu: make misc percpu symbols unique
percpu: make percpu symbols in ia64 unique
percpu: make percpu symbols in powerpc unique
percpu: make percpu symbols in x86 unique
percpu: make percpu symbols in xen unique
percpu: make percpu symbols in cpufreq unique
percpu: make percpu symbols in oprofile unique
percpu: make percpu symbols in tracer unique
percpu: make percpu symbols under kernel/ and mm/ unique
percpu: remove some sparse warnings
percpu: make alloc_percpu() handle array types
vmalloc: fix use of non-existent percpu variable in put_cpu_var()
this_cpu: Use this_cpu_xx in trace_functions_graph.c
this_cpu: Use this_cpu_xx for ftrace
this_cpu: Use this_cpu_xx in nmi handling
this_cpu: Use this_cpu operations in RCU
this_cpu: Use this_cpu ops for VM statistics
...
Fix up trivial (famous last words) global per-cpu naming conflicts in
arch/x86/kvm/svm.c
mm/slab.c
Diffstat (limited to 'arch/ia64/kernel')
-rw-r--r-- | arch/ia64/kernel/acpi.c | 33 | ||||
-rw-r--r-- | arch/ia64/kernel/head.S | 4 | ||||
-rw-r--r-- | arch/ia64/kernel/ia64_ksyms.c | 2 | ||||
-rw-r--r-- | arch/ia64/kernel/mca_asm.S | 2 | ||||
-rw-r--r-- | arch/ia64/kernel/relocate_kernel.S | 2 | ||||
-rw-r--r-- | arch/ia64/kernel/setup.c | 27 | ||||
-rw-r--r-- | arch/ia64/kernel/vmlinux.lds.S | 11 |
7 files changed, 33 insertions, 48 deletions
diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c index baec6f00f7f3..40574ae11401 100644 --- a/arch/ia64/kernel/acpi.c +++ b/arch/ia64/kernel/acpi.c | |||
@@ -702,11 +702,23 @@ int __init early_acpi_boot_init(void) | |||
702 | printk(KERN_ERR PREFIX | 702 | printk(KERN_ERR PREFIX |
703 | "Error parsing MADT - no LAPIC entries\n"); | 703 | "Error parsing MADT - no LAPIC entries\n"); |
704 | 704 | ||
705 | #ifdef CONFIG_SMP | ||
706 | if (available_cpus == 0) { | ||
707 | printk(KERN_INFO "ACPI: Found 0 CPUS; assuming 1\n"); | ||
708 | printk(KERN_INFO "CPU 0 (0x%04x)", hard_smp_processor_id()); | ||
709 | smp_boot_data.cpu_phys_id[available_cpus] = | ||
710 | hard_smp_processor_id(); | ||
711 | available_cpus = 1; /* We've got at least one of these, no? */ | ||
712 | } | ||
713 | smp_boot_data.cpu_count = available_cpus; | ||
714 | #endif | ||
715 | /* Make boot-up look pretty */ | ||
716 | printk(KERN_INFO "%d CPUs available, %d CPUs total\n", available_cpus, | ||
717 | total_cpus); | ||
718 | |||
705 | return 0; | 719 | return 0; |
706 | } | 720 | } |
707 | 721 | ||
708 | |||
709 | |||
710 | int __init acpi_boot_init(void) | 722 | int __init acpi_boot_init(void) |
711 | { | 723 | { |
712 | 724 | ||
@@ -769,18 +781,8 @@ int __init acpi_boot_init(void) | |||
769 | if (acpi_table_parse(ACPI_SIG_FADT, acpi_parse_fadt)) | 781 | if (acpi_table_parse(ACPI_SIG_FADT, acpi_parse_fadt)) |
770 | printk(KERN_ERR PREFIX "Can't find FADT\n"); | 782 | printk(KERN_ERR PREFIX "Can't find FADT\n"); |
771 | 783 | ||
784 | #ifdef CONFIG_ACPI_NUMA | ||
772 | #ifdef CONFIG_SMP | 785 | #ifdef CONFIG_SMP |
773 | if (available_cpus == 0) { | ||
774 | printk(KERN_INFO "ACPI: Found 0 CPUS; assuming 1\n"); | ||
775 | printk(KERN_INFO "CPU 0 (0x%04x)", hard_smp_processor_id()); | ||
776 | smp_boot_data.cpu_phys_id[available_cpus] = | ||
777 | hard_smp_processor_id(); | ||
778 | available_cpus = 1; /* We've got at least one of these, no? */ | ||
779 | } | ||
780 | smp_boot_data.cpu_count = available_cpus; | ||
781 | |||
782 | smp_build_cpu_map(); | ||
783 | # ifdef CONFIG_ACPI_NUMA | ||
784 | if (srat_num_cpus == 0) { | 786 | if (srat_num_cpus == 0) { |
785 | int cpu, i = 1; | 787 | int cpu, i = 1; |
786 | for (cpu = 0; cpu < smp_boot_data.cpu_count; cpu++) | 788 | for (cpu = 0; cpu < smp_boot_data.cpu_count; cpu++) |
@@ -789,14 +791,9 @@ int __init acpi_boot_init(void) | |||
789 | node_cpuid[i++].phys_id = | 791 | node_cpuid[i++].phys_id = |
790 | smp_boot_data.cpu_phys_id[cpu]; | 792 | smp_boot_data.cpu_phys_id[cpu]; |
791 | } | 793 | } |
792 | # endif | ||
793 | #endif | 794 | #endif |
794 | #ifdef CONFIG_ACPI_NUMA | ||
795 | build_cpu_to_node_map(); | 795 | build_cpu_to_node_map(); |
796 | #endif | 796 | #endif |
797 | /* Make boot-up look pretty */ | ||
798 | printk(KERN_INFO "%d CPUs available, %d CPUs total\n", available_cpus, | ||
799 | total_cpus); | ||
800 | return 0; | 797 | return 0; |
801 | } | 798 | } |
802 | 799 | ||
diff --git a/arch/ia64/kernel/head.S b/arch/ia64/kernel/head.S index 696eff28a0c4..17a9fba38930 100644 --- a/arch/ia64/kernel/head.S +++ b/arch/ia64/kernel/head.S | |||
@@ -1051,7 +1051,7 @@ END(ia64_delay_loop) | |||
1051 | * intermediate precision so that we can produce a full 64-bit result. | 1051 | * intermediate precision so that we can produce a full 64-bit result. |
1052 | */ | 1052 | */ |
1053 | GLOBAL_ENTRY(ia64_native_sched_clock) | 1053 | GLOBAL_ENTRY(ia64_native_sched_clock) |
1054 | addl r8=THIS_CPU(cpu_info) + IA64_CPUINFO_NSEC_PER_CYC_OFFSET,r0 | 1054 | addl r8=THIS_CPU(ia64_cpu_info) + IA64_CPUINFO_NSEC_PER_CYC_OFFSET,r0 |
1055 | mov.m r9=ar.itc // fetch cycle-counter (35 cyc) | 1055 | mov.m r9=ar.itc // fetch cycle-counter (35 cyc) |
1056 | ;; | 1056 | ;; |
1057 | ldf8 f8=[r8] | 1057 | ldf8 f8=[r8] |
@@ -1077,7 +1077,7 @@ sched_clock = ia64_native_sched_clock | |||
1077 | #ifdef CONFIG_VIRT_CPU_ACCOUNTING | 1077 | #ifdef CONFIG_VIRT_CPU_ACCOUNTING |
1078 | GLOBAL_ENTRY(cycle_to_cputime) | 1078 | GLOBAL_ENTRY(cycle_to_cputime) |
1079 | alloc r16=ar.pfs,1,0,0,0 | 1079 | alloc r16=ar.pfs,1,0,0,0 |
1080 | addl r8=THIS_CPU(cpu_info) + IA64_CPUINFO_NSEC_PER_CYC_OFFSET,r0 | 1080 | addl r8=THIS_CPU(ia64_cpu_info) + IA64_CPUINFO_NSEC_PER_CYC_OFFSET,r0 |
1081 | ;; | 1081 | ;; |
1082 | ldf8 f8=[r8] | 1082 | ldf8 f8=[r8] |
1083 | ;; | 1083 | ;; |
diff --git a/arch/ia64/kernel/ia64_ksyms.c b/arch/ia64/kernel/ia64_ksyms.c index 14d39e300627..461b99902bf6 100644 --- a/arch/ia64/kernel/ia64_ksyms.c +++ b/arch/ia64/kernel/ia64_ksyms.c | |||
@@ -30,7 +30,7 @@ EXPORT_SYMBOL(max_low_pfn); /* defined by bootmem.c, but not exported by generic | |||
30 | #endif | 30 | #endif |
31 | 31 | ||
32 | #include <asm/processor.h> | 32 | #include <asm/processor.h> |
33 | EXPORT_SYMBOL(per_cpu__cpu_info); | 33 | EXPORT_SYMBOL(per_cpu__ia64_cpu_info); |
34 | #ifdef CONFIG_SMP | 34 | #ifdef CONFIG_SMP |
35 | EXPORT_SYMBOL(per_cpu__local_per_cpu_offset); | 35 | EXPORT_SYMBOL(per_cpu__local_per_cpu_offset); |
36 | #endif | 36 | #endif |
diff --git a/arch/ia64/kernel/mca_asm.S b/arch/ia64/kernel/mca_asm.S index 7461d2573d41..d5bdf9de36b6 100644 --- a/arch/ia64/kernel/mca_asm.S +++ b/arch/ia64/kernel/mca_asm.S | |||
@@ -59,7 +59,7 @@ | |||
59 | ia64_do_tlb_purge: | 59 | ia64_do_tlb_purge: |
60 | #define O(member) IA64_CPUINFO_##member##_OFFSET | 60 | #define O(member) IA64_CPUINFO_##member##_OFFSET |
61 | 61 | ||
62 | GET_THIS_PADDR(r2, cpu_info) // load phys addr of cpu_info into r2 | 62 | GET_THIS_PADDR(r2, ia64_cpu_info) // load phys addr of cpu_info into r2 |
63 | ;; | 63 | ;; |
64 | addl r17=O(PTCE_STRIDE),r2 | 64 | addl r17=O(PTCE_STRIDE),r2 |
65 | addl r2=O(PTCE_BASE),r2 | 65 | addl r2=O(PTCE_BASE),r2 |
diff --git a/arch/ia64/kernel/relocate_kernel.S b/arch/ia64/kernel/relocate_kernel.S index 32f6fc131fbe..c370e02f0061 100644 --- a/arch/ia64/kernel/relocate_kernel.S +++ b/arch/ia64/kernel/relocate_kernel.S | |||
@@ -61,7 +61,7 @@ GLOBAL_ENTRY(relocate_new_kernel) | |||
61 | 61 | ||
62 | // purge all TC entries | 62 | // purge all TC entries |
63 | #define O(member) IA64_CPUINFO_##member##_OFFSET | 63 | #define O(member) IA64_CPUINFO_##member##_OFFSET |
64 | GET_THIS_PADDR(r2, cpu_info) // load phys addr of cpu_info into r2 | 64 | GET_THIS_PADDR(r2, ia64_cpu_info) // load phys addr of cpu_info into r2 |
65 | ;; | 65 | ;; |
66 | addl r17=O(PTCE_STRIDE),r2 | 66 | addl r17=O(PTCE_STRIDE),r2 |
67 | addl r2=O(PTCE_BASE),r2 | 67 | addl r2=O(PTCE_BASE),r2 |
diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c index 1de86c96801d..a1ea87919777 100644 --- a/arch/ia64/kernel/setup.c +++ b/arch/ia64/kernel/setup.c | |||
@@ -74,7 +74,7 @@ unsigned long __per_cpu_offset[NR_CPUS]; | |||
74 | EXPORT_SYMBOL(__per_cpu_offset); | 74 | EXPORT_SYMBOL(__per_cpu_offset); |
75 | #endif | 75 | #endif |
76 | 76 | ||
77 | DEFINE_PER_CPU(struct cpuinfo_ia64, cpu_info); | 77 | DEFINE_PER_CPU(struct cpuinfo_ia64, ia64_cpu_info); |
78 | DEFINE_PER_CPU(unsigned long, local_per_cpu_offset); | 78 | DEFINE_PER_CPU(unsigned long, local_per_cpu_offset); |
79 | unsigned long ia64_cycles_per_usec; | 79 | unsigned long ia64_cycles_per_usec; |
80 | struct ia64_boot_param *ia64_boot_param; | 80 | struct ia64_boot_param *ia64_boot_param; |
@@ -566,19 +566,18 @@ setup_arch (char **cmdline_p) | |||
566 | early_acpi_boot_init(); | 566 | early_acpi_boot_init(); |
567 | # ifdef CONFIG_ACPI_NUMA | 567 | # ifdef CONFIG_ACPI_NUMA |
568 | acpi_numa_init(); | 568 | acpi_numa_init(); |
569 | #ifdef CONFIG_ACPI_HOTPLUG_CPU | 569 | # ifdef CONFIG_ACPI_HOTPLUG_CPU |
570 | prefill_possible_map(); | 570 | prefill_possible_map(); |
571 | #endif | 571 | # endif |
572 | per_cpu_scan_finalize((cpus_weight(early_cpu_possible_map) == 0 ? | 572 | per_cpu_scan_finalize((cpus_weight(early_cpu_possible_map) == 0 ? |
573 | 32 : cpus_weight(early_cpu_possible_map)), | 573 | 32 : cpus_weight(early_cpu_possible_map)), |
574 | additional_cpus > 0 ? additional_cpus : 0); | 574 | additional_cpus > 0 ? additional_cpus : 0); |
575 | # endif | 575 | # endif |
576 | #else | ||
577 | # ifdef CONFIG_SMP | ||
578 | smp_build_cpu_map(); /* happens, e.g., with the Ski simulator */ | ||
579 | # endif | ||
580 | #endif /* CONFIG_APCI_BOOT */ | 576 | #endif /* CONFIG_APCI_BOOT */ |
581 | 577 | ||
578 | #ifdef CONFIG_SMP | ||
579 | smp_build_cpu_map(); | ||
580 | #endif | ||
582 | find_memory(); | 581 | find_memory(); |
583 | 582 | ||
584 | /* process SAL system table: */ | 583 | /* process SAL system table: */ |
@@ -856,18 +855,6 @@ identify_cpu (struct cpuinfo_ia64 *c) | |||
856 | } | 855 | } |
857 | 856 | ||
858 | /* | 857 | /* |
859 | * In UP configuration, setup_per_cpu_areas() is defined in | ||
860 | * include/linux/percpu.h | ||
861 | */ | ||
862 | #ifdef CONFIG_SMP | ||
863 | void __init | ||
864 | setup_per_cpu_areas (void) | ||
865 | { | ||
866 | /* start_kernel() requires this... */ | ||
867 | } | ||
868 | #endif | ||
869 | |||
870 | /* | ||
871 | * Do the following calculations: | 858 | * Do the following calculations: |
872 | * | 859 | * |
873 | * 1. the max. cache line size. | 860 | * 1. the max. cache line size. |
@@ -980,7 +967,7 @@ cpu_init (void) | |||
980 | * depends on the data returned by identify_cpu(). We break the dependency by | 967 | * depends on the data returned by identify_cpu(). We break the dependency by |
981 | * accessing cpu_data() through the canonical per-CPU address. | 968 | * accessing cpu_data() through the canonical per-CPU address. |
982 | */ | 969 | */ |
983 | cpu_info = cpu_data + ((char *) &__ia64_per_cpu_var(cpu_info) - __per_cpu_start); | 970 | cpu_info = cpu_data + ((char *) &__ia64_per_cpu_var(ia64_cpu_info) - __per_cpu_start); |
984 | identify_cpu(cpu_info); | 971 | identify_cpu(cpu_info); |
985 | 972 | ||
986 | #ifdef CONFIG_MCKINLEY | 973 | #ifdef CONFIG_MCKINLEY |
diff --git a/arch/ia64/kernel/vmlinux.lds.S b/arch/ia64/kernel/vmlinux.lds.S index 0a0c77b2c988..1295ba327f6f 100644 --- a/arch/ia64/kernel/vmlinux.lds.S +++ b/arch/ia64/kernel/vmlinux.lds.S | |||
@@ -166,6 +166,12 @@ SECTIONS | |||
166 | } | 166 | } |
167 | #endif | 167 | #endif |
168 | 168 | ||
169 | #ifdef CONFIG_SMP | ||
170 | . = ALIGN(PERCPU_PAGE_SIZE); | ||
171 | __cpu0_per_cpu = .; | ||
172 | . = . + PERCPU_PAGE_SIZE; /* cpu0 per-cpu space */ | ||
173 | #endif | ||
174 | |||
169 | . = ALIGN(PAGE_SIZE); | 175 | . = ALIGN(PAGE_SIZE); |
170 | __init_end = .; | 176 | __init_end = .; |
171 | 177 | ||
@@ -198,11 +204,6 @@ SECTIONS | |||
198 | data : { } :data | 204 | data : { } :data |
199 | .data : AT(ADDR(.data) - LOAD_OFFSET) | 205 | .data : AT(ADDR(.data) - LOAD_OFFSET) |
200 | { | 206 | { |
201 | #ifdef CONFIG_SMP | ||
202 | . = ALIGN(PERCPU_PAGE_SIZE); | ||
203 | __cpu0_per_cpu = .; | ||
204 | . = . + PERCPU_PAGE_SIZE; /* cpu0 per-cpu space */ | ||
205 | #endif | ||
206 | INIT_TASK_DATA(PAGE_SIZE) | 207 | INIT_TASK_DATA(PAGE_SIZE) |
207 | CACHELINE_ALIGNED_DATA(SMP_CACHE_BYTES) | 208 | CACHELINE_ALIGNED_DATA(SMP_CACHE_BYTES) |
208 | READ_MOSTLY_DATA(SMP_CACHE_BYTES) | 209 | READ_MOSTLY_DATA(SMP_CACHE_BYTES) |