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| author | Brian Gerst <brgerst@gmail.com> | 2009-01-27 12:56:48 +0900 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2009-01-27 12:56:48 +0900 |
| commit | 89c9c4c58ee86e6e8802597271f23679e0c46647 (patch) | |
| tree | eb22bb5577e84f2f1fdcc90d0f293f66673c8910 | |
| parent | 34019be1cd2941128b5de6d7c0fbdb51f967d268 (diff) | |
| download | linux-3.10-89c9c4c58ee86e6e8802597271f23679e0c46647.tar.gz linux-3.10-89c9c4c58ee86e6e8802597271f23679e0c46647.tar.bz2 linux-3.10-89c9c4c58ee86e6e8802597271f23679e0c46647.zip | |
x86: make Voyager use x86 per-cpu setup.
Impact: standardize all x86 platforms on same setup code
With the preceding changes, Voyager can use the same per-cpu setup
code as all the other x86 platforms.
Signed-off-by: Brian Gerst <brgerst@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
| -rw-r--r-- | arch/x86/Kconfig | 2 | ||||
| -rw-r--r-- | arch/x86/kernel/setup_percpu.c | 5 | ||||
| -rw-r--r-- | arch/x86/mach-voyager/voyager_smp.c | 3 |
3 files changed, 1 insertions, 9 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 5a29b792cb8..d6218e6c982 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -133,7 +133,7 @@ config ARCH_HAS_CACHE_LINE_SIZE def_bool y config HAVE_SETUP_PER_CPU_AREA - def_bool X86_64_SMP || (X86_SMP && !X86_VOYAGER) + def_bool y config HAVE_CPUMASK_OF_CPU_MAP def_bool X86_64_SMP diff --git a/arch/x86/kernel/setup_percpu.c b/arch/x86/kernel/setup_percpu.c index be77f1a1231..599dc1cc1da 100644 --- a/arch/x86/kernel/setup_percpu.c +++ b/arch/x86/kernel/setup_percpu.c @@ -35,8 +35,6 @@ EXPORT_PER_CPU_SYMBOL(cpu_number); DEFINE_PER_CPU(unsigned long, this_cpu_off) = BOOT_PERCPU_OFFSET; EXPORT_PER_CPU_SYMBOL(this_cpu_off); -#ifdef CONFIG_HAVE_SETUP_PER_CPU_AREA - unsigned long __per_cpu_offset[NR_CPUS] __read_mostly = { [0 ... NR_CPUS-1] = BOOT_PERCPU_OFFSET, }; @@ -125,6 +123,3 @@ void __init setup_per_cpu_areas(void) /* Setup cpu initialized, callin, callout masks */ setup_cpu_local_masks(); } - -#endif - diff --git a/arch/x86/mach-voyager/voyager_smp.c b/arch/x86/mach-voyager/voyager_smp.c index 96f15b09a4c..dd82f2052f3 100644 --- a/arch/x86/mach-voyager/voyager_smp.c +++ b/arch/x86/mach-voyager/voyager_smp.c @@ -531,7 +531,6 @@ static void __init do_boot_cpu(__u8 cpu) stack_start.sp = (void *)idle->thread.sp; init_gdt(cpu); - per_cpu(this_cpu_off, cpu) = __per_cpu_offset[cpu]; per_cpu(current_task, cpu) = idle; early_gdt_descr.address = (unsigned long)get_cpu_gdt_table(cpu); irq_ctx_init(cpu); @@ -1749,7 +1748,6 @@ static void __init voyager_smp_prepare_cpus(unsigned int max_cpus) static void __cpuinit voyager_smp_prepare_boot_cpu(void) { init_gdt(smp_processor_id()); - per_cpu(this_cpu_off, cpu) = __per_cpu_offset[cpu]; switch_to_new_gdt(); cpu_set(smp_processor_id(), cpu_online_map); @@ -1782,7 +1780,6 @@ static void __init voyager_smp_cpus_done(unsigned int max_cpus) void __init smp_setup_processor_id(void) { current_thread_info()->cpu = hard_smp_processor_id(); - percpu_write(cpu_number, hard_smp_processor_id()); } static void voyager_send_call_func(cpumask_t callmask) |