OrgACRN
/
acrn-hypervisor
mirror of https://github.com/projectacrn/acrn-hypervisor.git
1
0
Fork 0
Code Issues Releases Wiki Activity

HV: operate schedule lock on correct vcpu 

Lock should be on target vcpu in function pause_vcpu(), not current vcpu.

Signed-off-by: Victor Sun <victor.sun@intel.com>
Reviewed-by: Yin Fengwei <fengwei.yin@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Victor Sun 2018-05-16 15:59:16 +08:00 committed by lijinxia
parent 71e1ae17ce
commit a6780652f3
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
hypervisor/arch/x86/guest/vcpu.c
View File

@ -281,11 +281,11 @@ void pause_vcpu(struct vcpu *vcpu, enum vcpu_state new_state)
vcpu->prev_state = vcpu->state;
vcpu->state = new_state;
get_schedule_lock(pcpu_id);
get_schedule_lock(vcpu->pcpu_id);
if (atomic_load_acq_32(&vcpu->running) == 1) {
remove_vcpu_from_runqueue(vcpu);
make_reschedule_request(vcpu);
release_schedule_lock(pcpu_id);
release_schedule_lock(vcpu->pcpu_id);
if (vcpu->pcpu_id != pcpu_id) {
while (atomic_load_acq_32(&vcpu->running) == 1)
@ -293,7 +293,7 @@ void pause_vcpu(struct vcpu *vcpu, enum vcpu_state new_state)
}
} else {
remove_vcpu_from_runqueue(vcpu);
release_schedule_lock(pcpu_id);
release_schedule_lock(vcpu->pcpu_id);
}
}