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3e9f4b958d
Now, need_reschedule will test_and_clear the bit NEED_RESCHEDULE in schedule context, then call schedule. It is not a exact match with the name. This patch move the flag clearing into scheudle, and need_reschedule just check and return. Tracked-On: #1821 Signed-off-by: Shuo A Liu <shuo.a.liu@intel.com> Reviewed-by: Yin Fengwei <fengwei.yin@intel.com>
44 lines
993 B
C
44 lines
993 B
C
/*
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* Copyright (C) 2018 Intel Corporation. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef SCHEDULE_H
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#define SCHEDULE_H
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#define NEED_RESCHEDULE (1U)
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#define NEED_OFFLINE (2U)
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struct sched_context {
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spinlock_t runqueue_lock;
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struct list_head runqueue;
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uint64_t flags;
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struct acrn_vcpu *curr_vcpu;
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spinlock_t scheduler_lock;
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};
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void init_scheduler(void);
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void get_schedule_lock(uint16_t pcpu_id);
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void release_schedule_lock(uint16_t pcpu_id);
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void set_pcpu_used(uint16_t pcpu_id);
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uint16_t allocate_pcpu(void);
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void free_pcpu(uint16_t pcpu_id);
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void add_vcpu_to_runqueue(struct acrn_vcpu *vcpu);
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void remove_vcpu_from_runqueue(struct acrn_vcpu *vcpu);
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void default_idle(void);
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void make_reschedule_request(const struct acrn_vcpu *vcpu);
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bool need_reschedule(uint16_t pcpu_id);
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void make_pcpu_offline(uint16_t pcpu_id);
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int32_t need_offline(uint16_t pcpu_id);
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void schedule(void);
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void vcpu_thread(struct acrn_vcpu *vcpu);
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#endif /* SCHEDULE_H */
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