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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu

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* '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
This commit is contained in:
Linus Torvalds
2009-12-14 09:58:24 -08:00
parent fb0bbb92d4 51e99be00c
commit d0316554d3
79 changed files with 1222 additions and 978 deletions
Download Patch File Download Diff File Expand all files Collapse all files

33
arch/ia64/kernel/acpi.c
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@@ -702,11 +702,23 @@ int __init early_acpi_boot_init(void)
printk(KERN_ERR PREFIX
"Error parsing MADT - no LAPIC entries\n");
#ifdef CONFIG_SMP
if (available_cpus == 0) {
printk(KERN_INFO "ACPI: Found 0 CPUS; assuming 1\n");
printk(KERN_INFO "CPU 0 (0x%04x)", hard_smp_processor_id());
smp_boot_data.cpu_phys_id[available_cpus] =
hard_smp_processor_id();
available_cpus = 1; /* We've got at least one of these, no? */
}
smp_boot_data.cpu_count = available_cpus;
#endif
/* Make boot-up look pretty */
printk(KERN_INFO "%d CPUs available, %d CPUs total\n", available_cpus,
total_cpus);
return 0;
}
int __init acpi_boot_init(void)
{
@@ -769,18 +781,8 @@ int __init acpi_boot_init(void)
if (acpi_table_parse(ACPI_SIG_FADT, acpi_parse_fadt))
printk(KERN_ERR PREFIX "Can't find FADT\n");
#ifdef CONFIG_ACPI_NUMA
#ifdef CONFIG_SMP
if (available_cpus == 0) {
printk(KERN_INFO "ACPI: Found 0 CPUS; assuming 1\n");
printk(KERN_INFO "CPU 0 (0x%04x)", hard_smp_processor_id());
smp_boot_data.cpu_phys_id[available_cpus] =
hard_smp_processor_id();
available_cpus = 1; /* We've got at least one of these, no? */
}
smp_boot_data.cpu_count = available_cpus;
smp_build_cpu_map();
# ifdef CONFIG_ACPI_NUMA
if (srat_num_cpus == 0) {
int cpu, i = 1;
for (cpu = 0; cpu < smp_boot_data.cpu_count; cpu++)
@@ -789,14 +791,9 @@ int __init acpi_boot_init(void)
node_cpuid[i++].phys_id =
smp_boot_data.cpu_phys_id[cpu];
}
# endif
#endif
#ifdef CONFIG_ACPI_NUMA
build_cpu_to_node_map();
#endif
/* Make boot-up look pretty */
printk(KERN_INFO "%d CPUs available, %d CPUs total\n", available_cpus,
total_cpus);
return 0;
}

4
arch/ia64/kernel/head.S
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@@ -1051,7 +1051,7 @@ END(ia64_delay_loop)
* intermediate precision so that we can produce a full 64-bit result.
*/
GLOBAL_ENTRY(ia64_native_sched_clock)
addl r8=THIS_CPU(cpu_info) + IA64_CPUINFO_NSEC_PER_CYC_OFFSET,r0
addl r8=THIS_CPU(ia64_cpu_info) + IA64_CPUINFO_NSEC_PER_CYC_OFFSET,r0
mov.m r9=ar.itc // fetch cycle-counter (35 cyc)
;;
ldf8 f8=[r8]
@@ -1077,7 +1077,7 @@ sched_clock = ia64_native_sched_clock
#ifdef CONFIG_VIRT_CPU_ACCOUNTING
GLOBAL_ENTRY(cycle_to_cputime)
alloc r16=ar.pfs,1,0,0,0
addl r8=THIS_CPU(cpu_info) + IA64_CPUINFO_NSEC_PER_CYC_OFFSET,r0
addl r8=THIS_CPU(ia64_cpu_info) + IA64_CPUINFO_NSEC_PER_CYC_OFFSET,r0
;;
ldf8 f8=[r8]
;;

2
arch/ia64/kernel/ia64_ksyms.c
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@@ -30,7 +30,7 @@ EXPORT_SYMBOL(max_low_pfn); /* defined by bootmem.c, but not exported by generic
#endif
#include <asm/processor.h>
EXPORT_SYMBOL(per_cpu__cpu_info);
EXPORT_SYMBOL(per_cpu__ia64_cpu_info);
#ifdef CONFIG_SMP
EXPORT_SYMBOL(per_cpu__local_per_cpu_offset);
#endif

2
arch/ia64/kernel/mca_asm.S
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@@ -59,7 +59,7 @@
ia64_do_tlb_purge:
#define O(member) IA64_CPUINFO_##member##_OFFSET
GET_THIS_PADDR(r2, cpu_info) // load phys addr of cpu_info into r2
GET_THIS_PADDR(r2, ia64_cpu_info) // load phys addr of cpu_info into r2
;;
addl r17=O(PTCE_STRIDE),r2
addl r2=O(PTCE_BASE),r2

2
arch/ia64/kernel/relocate_kernel.S
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@@ -61,7 +61,7 @@ GLOBAL_ENTRY(relocate_new_kernel)
// purge all TC entries
#define O(member) IA64_CPUINFO_##member##_OFFSET
GET_THIS_PADDR(r2, cpu_info) // load phys addr of cpu_info into r2
GET_THIS_PADDR(r2, ia64_cpu_info) // load phys addr of cpu_info into r2
;;
addl r17=O(PTCE_STRIDE),r2
addl r2=O(PTCE_BASE),r2

27
arch/ia64/kernel/setup.c
View File

@@ -74,7 +74,7 @@ unsigned long __per_cpu_offset[NR_CPUS];
EXPORT_SYMBOL(__per_cpu_offset);
#endif
DEFINE_PER_CPU(struct cpuinfo_ia64, cpu_info);
DEFINE_PER_CPU(struct cpuinfo_ia64, ia64_cpu_info);
DEFINE_PER_CPU(unsigned long, local_per_cpu_offset);
unsigned long ia64_cycles_per_usec;
struct ia64_boot_param *ia64_boot_param;
@@ -566,19 +566,18 @@ setup_arch (char **cmdline_p)
early_acpi_boot_init();
# ifdef CONFIG_ACPI_NUMA
acpi_numa_init();
#ifdef CONFIG_ACPI_HOTPLUG_CPU
# ifdef CONFIG_ACPI_HOTPLUG_CPU
prefill_possible_map();
#endif
# endif
per_cpu_scan_finalize((cpus_weight(early_cpu_possible_map) == 0 ?
32 : cpus_weight(early_cpu_possible_map)),
additional_cpus > 0 ? additional_cpus : 0);
# endif
#else
# ifdef CONFIG_SMP
smp_build_cpu_map(); /* happens, e.g., with the Ski simulator */
# endif
#endif /* CONFIG_APCI_BOOT */
#ifdef CONFIG_SMP
smp_build_cpu_map();
#endif
find_memory();
/* process SAL system table: */
@@ -855,18 +854,6 @@ identify_cpu (struct cpuinfo_ia64 *c)
c->unimpl_pa_mask = ~((1L<<63) | ((1L << phys_addr_size) - 1));
}
/*
* In UP configuration, setup_per_cpu_areas() is defined in
* include/linux/percpu.h
*/
#ifdef CONFIG_SMP
void __init
setup_per_cpu_areas (void)
{
/* start_kernel() requires this... */
}
#endif
/*
* Do the following calculations:
*
@@ -980,7 +967,7 @@ cpu_init (void)
* depends on the data returned by identify_cpu(). We break the dependency by
* accessing cpu_data() through the canonical per-CPU address.
*/
cpu_info = cpu_data + ((char *) &__ia64_per_cpu_var(cpu_info) - __per_cpu_start);
cpu_info = cpu_data + ((char *) &__ia64_per_cpu_var(ia64_cpu_info) - __per_cpu_start);
identify_cpu(cpu_info);
#ifdef CONFIG_MCKINLEY

11
arch/ia64/kernel/vmlinux.lds.S
View File

@@ -166,6 +166,12 @@ SECTIONS
}
#endif
#ifdef CONFIG_SMP
. = ALIGN(PERCPU_PAGE_SIZE);
__cpu0_per_cpu = .;
. = . + PERCPU_PAGE_SIZE; /* cpu0 per-cpu space */
#endif
. = ALIGN(PAGE_SIZE);
__init_end = .;
@@ -198,11 +204,6 @@ SECTIONS
data : { } :data
.data : AT(ADDR(.data) - LOAD_OFFSET)
{
#ifdef CONFIG_SMP
. = ALIGN(PERCPU_PAGE_SIZE);
__cpu0_per_cpu = .;
. = . + PERCPU_PAGE_SIZE; /* cpu0 per-cpu space */
#endif
INIT_TASK_DATA(PAGE_SIZE)
CACHELINE_ALIGNED_DATA(SMP_CACHE_BYTES)
READ_MOSTLY_DATA(SMP_CACHE_BYTES)