test_and_set_thread_flag
if (test_and_set_thread_flag (TIF_DIE_IF_KERNEL)) {
if (test_and_set_thread_flag (TIF_DIE_IF_KERNEL)) {
if (test_and_set_thread_flag(TIF_SVE))
if (test_and_set_thread_flag(TIF_SME))
WARN_ON_ONCE(!test_and_set_thread_flag(TIF_SVE));
prior_msa = test_and_set_thread_flag(TIF_MSA_CTX_LIVE);
if (!test_and_set_thread_flag(TIF_NOTSC))
if (!test_and_set_thread_flag(TIF_NOCPUID)) {