On 7/24/2023 10:43 AM, Thomas Gleixner wrote: > The series is based on the APIC cleanup series: > > https://lore.kernel.org/lkml/20230724131206.500814398@xxxxxxxxxxxxx > > and also available on top of that from git: > > git://git.kernel.org/pub/scm/linux/kernel/git/tglx/devel.git topo-cpuid-v1 > The series boots fine on an old Sandy Bridge 2S system. There is a print from topology_update_die_map() which is missing from dmesg but it seems mostly harmless. > [ 0.085686] smpboot: x86: Booting SMP configuration:> [ 0.085690] .... node #0, CPUs: #1 #2 #3 #4 #5 #6 #7 #8 #9 > [ 0.089253] .... node #1, CPUs: #10 #11 #12 #13 #14 #15 #16 #17 #18 #19 > [ 0.000000] smpboot: CPU 10 Converting physical 0 to logical die 1 ^^ The "Converting physical..." line doesn't show up with the patches applied. > [ 0.134035] .... node #0, CPUs: #20 #21 #22 #23 #24 #25 #26 #27 #28 #29 > [ 0.140239] .... node #1, CPUs: #30 #31 #32 #33 #34 #35 #36 #37 #38 #39 Please let me know if you need more information. Tested-by: Sohil Mehta <sohil.mehta@xxxxxxxxx>