Re: [PATCH 1/3] kernel/sched: introduce vcpu preempted check interface
From: Peter Zijlstra <peterz@infradead.org>
Date: 2016-06-27 14:01:10
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On Mon, Jun 27, 2016 at 01:41:28PM -0400, Pan Xinhui wrote:
quoted hunk ↗ jump to hunk
+++ b/include/linux/sched.h@@ -3293,6 +3293,15 @@ static inline void set_task_cpu(struct task_struct *p, unsigned int cpu) #endif /* CONFIG_SMP */ +#ifdef arch_vcpu_is_preempted +static inline bool vcpu_is_preempted(int cpu) +{ + return arch_vcpu_is_preempted(cpu); +} +#else +#define vcpu_is_preempted(cpu) false +#endif
#ifndef vcpu_is_preempted #define vcpu_is_preempted(cpu) (false) #endif Is so much simpler... Also, please Cc the virt list so that other interested parties can comment, and maybe also the s390 folks.