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This aligns with the locking pattern used by other operations that modify vCPU state. Signed-off-by: Mykola Kvach --- xen/common/domctl.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/xen/common/domctl.c b/xen/common/domctl.c index f2a7caaf85..f7bf6f4534 100644 --- a/xen/common/domctl.c +++ b/xen/common/domctl.c @@ -392,7 +392,9 @@ long do_domctl(XEN_GUEST_HANDLE_PARAM(xen_domctl_t) u_d= omctl) if ( ret =3D=3D 0 ) { domain_pause(d); + domain_lock(d); ret =3D arch_set_info_guest(v, c); + domain_unlock(d); domain_unpause(d); =20 if ( ret =3D=3D -ERESTART ) --=20 2.48.1