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accel/kvm: Introduce kvm_create_and_park_vcpu() helper

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There are distinct helpers for creating and parking a KVM vCPU.
However, there can be cases where a platform needs to create and
immediately park the vCPU during early stages of vcpu init which
can later be reused when vcpu thread gets initialized. This would
help detect failures with kvm_create_vcpu at an early stage.

Suggested-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
This commit is contained in:
Harsh Prateek Bora 2024-06-18 13:53:52 +05:30 • committed by Nicholas Piggin
parent 785c8637f9
commit c6a3d7bc9e
2 changed files with 20 additions and 0 deletions
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12
accel/kvm/kvm-all.c
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@ -398,6 +398,18 @@ int kvm_create_vcpu(CPUState *cpu)
return 0;
}
int kvm_create_and_park_vcpu(CPUState *cpu)
{
int ret = 0;
ret = kvm_create_vcpu(cpu);
if (!ret) {
kvm_park_vcpu(cpu);
}
return ret;
}
static int do_kvm_destroy_vcpu(CPUState *cpu)
{
KVMState *s = kvm_state;