hwt_backend_disable_smp
.hwt_backend_disable_smp = pt_backend_disable_smp,
.hwt_backend_disable_smp = spe_backend_disable_smp,
ctx->hwt_backend->ops->hwt_backend_disable_smp(ctx);
int (*hwt_backend_disable_smp)(struct hwt_context *);
void hwt_backend_disable_smp(struct hwt_context *ctx);