From: Glauber de Oliveira Costa Date: Wed, 19 Mar 2008 17:25:44 +0000 (-0300) Subject: x86: get rid of commenced mask. X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=ddd10ecfa231c88382fc2f10a3120d2ad8e92381;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git x86: get rid of commenced mask. As we now boot cpus from cpu_up, we don't need it. Signed-off-by: Glauber Costa Signed-off-by: Ingo Molnar --- diff --git a/arch/x86/kernel/smpboot_32.c b/arch/x86/kernel/smpboot_32.c index 978e13708ddb..c30abed08923 100644 --- a/arch/x86/kernel/smpboot_32.c +++ b/arch/x86/kernel/smpboot_32.c @@ -59,8 +59,6 @@ #include #include -static cpumask_t smp_commenced_mask; - /* which logical CPU number maps to which CPU (physical APIC ID) */ u16 x86_cpu_to_apicid_init[NR_CPUS] __initdata = { [0 ... NR_CPUS-1] = BAD_APICID }; @@ -180,8 +178,6 @@ static void __cpuinit start_secondary(void *unused) cpu_init(); preempt_disable(); smp_callin(); - while (!cpu_isset(smp_processor_id(), smp_commenced_mask)) - cpu_relax(); /* otherwise gcc will move up smp_processor_id before the cpu_init */ barrier(); @@ -667,7 +663,6 @@ void cpu_exit_clear(void) cpu_clear(cpu, cpu_callout_map); cpu_clear(cpu, cpu_callin_map); - cpu_clear(cpu, smp_commenced_mask); unmap_cpu_to_logical_apicid(cpu); } #endif @@ -827,7 +822,6 @@ static void __init smp_boot_cpus(unsigned int max_cpus) void __init native_smp_prepare_cpus(unsigned int max_cpus) { nmi_watchdog_default(); - smp_commenced_mask = cpumask_of_cpu(0); cpu_callin_map = cpumask_of_cpu(0); mb(); smp_boot_cpus(max_cpus); @@ -869,8 +863,6 @@ int __cpuinit native_cpu_up(unsigned int cpu) return -EIO; } - /* Unleash the CPU! */ - cpu_set(cpu, smp_commenced_mask); /* * Check TSC synchronization with the AP (keep irqs disabled