From: Glauber Costa Date: Wed, 4 Jun 2008 18:35:03 +0000 (-0300) Subject: x86: move cpu_exit_clear to process_32.c X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=1481a3dd42c21ac4a8b9497cb9f5df816d6b064f;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git x86: move cpu_exit_clear to process_32.c Take it out of smpboot.c, and move it to process_32.c, closer to its only user. Signed-off-by: Glauber Costa Signed-off-by: Ingo Molnar --- diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c index c2a11d77b1b5..9a139f6c9df3 100644 --- a/arch/x86/kernel/process_32.c +++ b/arch/x86/kernel/process_32.c @@ -74,6 +74,22 @@ unsigned long thread_saved_pc(struct task_struct *tsk) #ifdef CONFIG_HOTPLUG_CPU #include + +static void cpu_exit_clear(void) +{ + int cpu = raw_smp_processor_id(); + + idle_task_exit(); + + cpu_uninit(); + irq_ctx_exit(cpu); + + cpu_clear(cpu, cpu_callout_map); + cpu_clear(cpu, cpu_callin_map); + + numa_remove_cpu(cpu); +} + /* We don't actually take CPU down, just spin without interrupts. */ static inline void play_dead(void) { diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index 820c23dbe761..67af727f733a 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -181,7 +181,7 @@ static void map_cpu_to_logical_apicid(void) map_cpu_to_node(cpu, node); } -static void numa_remove_cpu(int cpu) +void numa_remove_cpu(int cpu) { cpu_2_logical_apicid[cpu] = BAD_APICID; unmap_cpu_to_node(cpu); @@ -1227,23 +1227,6 @@ void __init native_smp_cpus_done(unsigned int max_cpus) #ifdef CONFIG_HOTPLUG_CPU -# ifdef CONFIG_X86_32 -void cpu_exit_clear(void) -{ - int cpu = raw_smp_processor_id(); - - idle_task_exit(); - - cpu_uninit(); - irq_ctx_exit(cpu); - - cpu_clear(cpu, cpu_callout_map); - cpu_clear(cpu, cpu_callin_map); - - numa_remove_cpu(cpu); -} -# endif /* CONFIG_X86_32 */ - static void remove_siblinginfo(int cpu) { int sibling; diff --git a/include/asm-x86/numa_32.h b/include/asm-x86/numa_32.h index a02674f64869..ed6c88eac848 100644 --- a/include/asm-x86/numa_32.h +++ b/include/asm-x86/numa_32.h @@ -2,6 +2,7 @@ #define _ASM_X86_32_NUMA_H 1 extern int pxm_to_nid(int pxm); +extern void numa_remove_cpu(int cpu); #ifdef CONFIG_NUMA extern void __init remap_numa_kva(void); diff --git a/include/asm-x86/smp.h b/include/asm-x86/smp.h index fc1007321ef6..fad45f6a193f 100644 --- a/include/asm-x86/smp.h +++ b/include/asm-x86/smp.h @@ -188,7 +188,6 @@ static inline int hard_smp_processor_id(void) #endif /* CONFIG_X86_LOCAL_APIC */ #ifdef CONFIG_HOTPLUG_CPU -extern void cpu_exit_clear(void); extern void cpu_uninit(void); #endif