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Merge branch 'tj-percpu' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/misc into core/percpu

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Conflicts:
	arch/x86/kernel/setup_percpu.c

Semantic conflict:

	arch/x86/kernel/cpu/common.c

Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Ingo Molnar
2009-01-27 12:03:24 +01:00
parent 3ddeb51d9c cf3997f507
commit 4369f1fb7c
13 changed files with 326 additions and 386 deletions
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24
arch/x86/kernel/cpu/common.c
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@ -52,6 +52,15 @@ cpumask_var_t cpu_initialized_mask;
/* representing cpus for which sibling maps can be computed */
cpumask_var_t cpu_sibling_setup_mask;
/* correctly size the local cpu masks */
void __init setup_cpu_local_masks(void)
{
alloc_bootmem_cpumask_var(&cpu_initialized_mask);
alloc_bootmem_cpumask_var(&cpu_callin_mask);
alloc_bootmem_cpumask_var(&cpu_callout_mask);
alloc_bootmem_cpumask_var(&cpu_sibling_setup_mask);
}
#else /* CONFIG_X86_32 */
cpumask_t cpu_callin_map;
@ -249,12 +258,17 @@ __u32 cleared_cpu_caps[NCAPINTS] __cpuinitdata;
void switch_to_new_gdt(void)
{
struct desc_ptr gdt_descr;
int cpu = smp_processor_id();
gdt_descr.address = (long)get_cpu_gdt_table(smp_processor_id());
gdt_descr.address = (long)get_cpu_gdt_table(cpu);
gdt_descr.size = GDT_SIZE - 1;
load_gdt(&gdt_descr);
/* Reload the per-cpu base */
#ifdef CONFIG_X86_32
asm("mov %0, %%fs" : : "r" (__KERNEL_PERCPU) : "memory");
loadsegment(fs, __KERNEL_PERCPU);
#else
loadsegment(gs, 0);
wrmsrl(MSR_GS_BASE, (unsigned long)per_cpu(irq_stack_union.gs_base, cpu));
#endif
}
@ -959,10 +973,6 @@ void __cpuinit cpu_init(void)
struct task_struct *me;
int i;
loadsegment(fs, 0);
loadsegment(gs, 0);
load_gs_base(cpu);
#ifdef CONFIG_NUMA
if (cpu != 0 && percpu_read(node_number) == 0 &&
cpu_to_node(cpu) != NUMA_NO_NODE)
@ -984,6 +994,8 @@ void __cpuinit cpu_init(void)
*/
switch_to_new_gdt();
loadsegment(fs, 0);
load_idt((const struct desc_ptr *)&idt_descr);
memset(me->thread.tls_array, 0, GDT_ENTRY_TLS_ENTRIES * 8);