| From | Glauber de Oliveira Costa <> | Subject | [PATCH 25/79] [PATCH] initialize map pointers in setup_32.c | Date | Wed, 19 Mar 2008 14:25:20 -0300 |
| |
From: Glauber Costa <gcosta@redhat.com>
this will serve as a reference as to whether or not to use the per_cpu variables in mpparse. Done the same way as x86_64
Signed-off-by: Glauber Costa <gcosta@redhat.com> --- arch/x86/kernel/setup_32.c | 24 ++++++++++++++++++++++++ 1 files changed, 24 insertions(+), 0 deletions(-)
diff --git a/arch/x86/kernel/setup_32.c b/arch/x86/kernel/setup_32.c index db9d585..599ce01 100644 --- a/arch/x86/kernel/setup_32.c +++ b/arch/x86/kernel/setup_32.c @@ -724,6 +724,18 @@ char * __init __attribute__((weak)) memory_setup(void) return machine_specific_memory_setup(); } +#ifdef CONFIG_NUMA +/* + * In the golden day, when everything among i386 and x86_64 will be + * integrated, this will not live here + */ +void *x86_cpu_to_node_map_early_ptr; +int x86_cpu_to_node_map_init[NR_CPUS] = { + [0 ... NR_CPUS-1] = NUMA_NO_NODE +}; +DEFINE_PER_CPU(int, x86_cpu_to_node_map) = NUMA_NO_NODE; +#endif + /* * Determine if we were loaded by an EFI loader. If so, then we have also been * passed the efi memmap, systab, etc., so we should use these data structures @@ -856,6 +868,18 @@ void __init setup_arch(char **cmdline_p) io_delay_init(); +#ifdef CONFIG_X86_SMP + /* + * setup to use the early static init tables during kernel startup + * X86_SMP will exclude sub-arches that don't deal well with it. + */ + x86_cpu_to_apicid_early_ptr = (void *)x86_cpu_to_apicid_init; + x86_bios_cpu_apicid_early_ptr = (void *)x86_bios_cpu_apicid_init; +#ifdef CONFIG_NUMA + x86_cpu_to_node_map_early_ptr = (void *)x86_cpu_to_node_map_init; +#endif +#endif + #ifdef CONFIG_X86_GENERICARCH generic_apic_probe(); #endif -- 1.5.0.6
|