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kvm: use atomic_read/atomic_set to access cpu->exit_request 

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2017-02-15 15:36:11 +01:00
parent 18268b6016
commit c5c6679d37
1 changed files with 3 additions and 3 deletions
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6
kvm-all.c
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@ -1933,7 +1933,7 @@ int kvm_cpu_exec(CPUState *cpu)
DPRINTF("kvm_cpu_exec()\n");
if (kvm_arch_process_async_events(cpu)) {
cpu->exit_request = 0;
atomic_set(&cpu->exit_request, 0);
return EXCP_HLT;
}
@ -1948,7 +1948,7 @@ int kvm_cpu_exec(CPUState *cpu)
}
kvm_arch_pre_run(cpu, run);
if (cpu->exit_request) {
if (atomic_read(&cpu->exit_request)) {
DPRINTF("interrupt exit requested\n");
/*
* KVM requires us to reenter the kernel after IO exits to complete
@ -2069,7 +2069,7 @@ int kvm_cpu_exec(CPUState *cpu)
vm_stop(RUN_STATE_INTERNAL_ERROR);
}
cpu->exit_request = 0;
atomic_set(&cpu->exit_request, 0);
return ret;
}