On Fri, Oct 18, 2019 at 06:20:44PM +0800, Xiaoyao Li wrote: > We enable #AC on all cores/threads to detect split lock. > -If user space causes #AC, sending SIGBUS to it. > -If kernel causes #AC, we globally disable #AC on all cores/threads, > letting kernel go on working and WARN. (only disabling #AC on the thread > generates it just doesn't help, since the buggy kernel code is possible to > run on any threads and thus disabling #AC on all of them) > > As described above, either enabled globally or disabled globally, so whether > it's per-core or per-thread really doesn't matter Go back and read the friggin' thread already. A big clue: virt ruins it (like it tends to do).
