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@@ -15,37 +15,39 @@
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DEFINE_STATIC_KEY_FALSE(housekeeping_overriden);
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EXPORT_SYMBOL_GPL(housekeeping_overriden);
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static cpumask_var_t housekeeping_mask;
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+static unsigned int housekeeping_flags;
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-int housekeeping_any_cpu(void)
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+int housekeeping_any_cpu(enum hk_flags flags)
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{
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if (static_branch_unlikely(&housekeeping_overriden))
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- return cpumask_any_and(housekeeping_mask, cpu_online_mask);
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-
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+ if (housekeeping_flags & flags)
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+ return cpumask_any_and(housekeeping_mask, cpu_online_mask);
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return smp_processor_id();
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}
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EXPORT_SYMBOL_GPL(housekeeping_any_cpu);
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-const struct cpumask *housekeeping_cpumask(void)
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+const struct cpumask *housekeeping_cpumask(enum hk_flags flags)
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{
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if (static_branch_unlikely(&housekeeping_overriden))
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- return housekeeping_mask;
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-
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+ if (housekeeping_flags & flags)
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+ return housekeeping_mask;
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return cpu_possible_mask;
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}
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EXPORT_SYMBOL_GPL(housekeeping_cpumask);
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-void housekeeping_affine(struct task_struct *t)
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+void housekeeping_affine(struct task_struct *t, enum hk_flags flags)
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{
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if (static_branch_unlikely(&housekeeping_overriden))
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- set_cpus_allowed_ptr(t, housekeeping_mask);
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+ if (housekeeping_flags & flags)
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+ set_cpus_allowed_ptr(t, housekeeping_mask);
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}
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EXPORT_SYMBOL_GPL(housekeeping_affine);
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-bool housekeeping_test_cpu(int cpu)
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+bool housekeeping_test_cpu(int cpu, enum hk_flags flags)
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{
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if (static_branch_unlikely(&housekeeping_overriden))
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- return cpumask_test_cpu(cpu, housekeeping_mask);
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-
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+ if (housekeeping_flags & flags)
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+ return cpumask_test_cpu(cpu, housekeeping_mask);
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return true;
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}
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EXPORT_SYMBOL_GPL(housekeeping_test_cpu);
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@@ -65,6 +67,8 @@ void __init housekeeping_init(void)
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cpumask_andnot(housekeeping_mask,
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cpu_possible_mask, tick_nohz_full_mask);
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+ housekeeping_flags = HK_FLAG_TIMER | HK_FLAG_RCU | HK_FLAG_MISC;
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+
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static_branch_enable(&housekeeping_overriden);
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/* We need at least one CPU to handle housekeeping work */
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