On 15.11.2019 18:13, George Dunlap wrote: > On 11/15/19 5:06 PM, Andreas Kinzler wrote: >> Hello All, >> >> I compared the CPUID listings from Ryzen 2700X (attached as tar.xz) to >> 3700X and found only very few differences. I added >> >> cpuid = [ "0x80000008:ecx=xxxxxxxxxxxxxxxx0100xxxxxxxxxxxx" ] >> >> to xl.cfg and then Windows runs great with 16 vCPUs. Cinebench R15 score >> is >2050 which is more or less the bare metal value. > > Awesome. Any idea what those bits do?
That's the apic_id_size field (using the naming of xen/include/xen/lib/x86/cpuid.h). Jan _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel