Xiaoyao Li <xiaoyao.li@xxxxxxxxx> writes: > On 3/26/2020 7:10 PM, Thomas Gleixner wrote: > If the host has it disabled, !split_lock_detect_on() is true, it skips > following check due to || > > if (!boot_cpu_has(X86_FEATURE_SPLIT_LOCK)) { > inject #AC back to guest That'd be a regular #AC, right? > } else { > if (guest_alignment_check_enabled() || guest_sld_on()) > inject #AC back to guest Here is clearly an else path missing. > } Thanks, tglx