On 08.01.2020 14:26, Jürgen Groß wrote: > On 08.01.20 14:20, Jan Beulich wrote: >> On 08.01.2020 12:01, Juergen Gross wrote: >>> --- a/xen/arch/x86/smpboot.c >>> +++ b/xen/arch/x86/smpboot.c >>> @@ -945,6 +945,8 @@ static void cpu_smpboot_free(unsigned int cpu, bool >>> remove) >>> (per_cpu(stubs.addr, cpu) | ~PAGE_MASK) + 1); >>> if ( i == STUBS_PER_PAGE ) >>> free_domheap_page(mfn_to_page(mfn)); >>> + per_cpu(stubs.addr, cpu) = 0; >>> + per_cpu(stubs.mfn, cpu) = 0; >>> } >> >> Afaict this was a regression from the introduction of CPU parking: >> Prior to that, per-CPU data would have been zeroed in all cases >> before a new CPU was unleashed. I think it would be helpful it >> this was mentioned in the description (possibly by way of a Fixes: >> tag). > > Okay, will do. Just to be sure - you are thinking of commit 2e6c8f182?
Yes, this looks to be the one. Jan _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel
