Xen project Mailing List

Re: XEN_SYSCTL_cpu_policy_hvm_default truncates leaf count

To: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

From: Olaf Hering <olaf@xxxxxxxxx>

Date: Thu, 1 Jul 2021 15:15:28 +0200

Authentication-results: strato.com; dkim=none

Delivery-date: Thu, 01 Jul 2021 13:15:44 +0000

List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

Am Thu, 1 Jul 2021 13:35:20 +0100 schrieb Andrew Cooper <andrew.cooper3@xxxxxxxxxx>: > Can you grab xen-cpuid -p from this system please? Two PowerEdge T320 with E5-2430L. Xen reports there are maximum 119 leaves and 2 MSRs Raw policy: 32 leaves, 2 MSRs CPUID: leaf subleaf -> eax ebx ecx edx 00000000:ffffffff -> 0000000d:756e6547:6c65746e:49656e69 00000001:ffffffff -> 000306e4:00200800:7fbee3ff:bfebfbff 00000002:ffffffff -> 76036301:00f0b2ff:00000000:00ca0000 00000004:00000000 -> 3c004121:01c0003f:0000003f:00000000 00000004:00000001 -> 3c004122:01c0003f:0000003f:00000000 00000004:00000002 -> 3c004143:01c0003f:000001ff:00000000 00000004:00000003 -> 3c07c163:04c0003f:00002fff:00000006 00000005:ffffffff -> 00000040:00000040:00000003:00001120 00000006:ffffffff -> 00000077:00000002:00000001:00000000 00000007:00000000 -> 00000000:00000281:00000000:9c000400 0000000a:ffffffff -> 07300403:00000000:00000000:00000603 0000000b:00000000 -> 00000001:00000002:00000100:00000000 0000000b:00000001 -> 00000005:0000000c:00000201:00000000 0000000d:00000000 -> 00000007:00000340:00000340:00000000 0000000d:00000001 -> 00000001:00000000:00000000:00000000 0000000d:00000002 -> 00000100:00000240:00000000:00000000 80000000:ffffffff -> 80000008:00000000:00000000:00000000 80000001:ffffffff -> 00000000:00000000:00000001:2c100800 80000002:ffffffff -> 20202020:746e4920:52286c65:65582029 80000003:ffffffff -> 52286e6f:50432029:35452055:3334322d 80000004:ffffffff -> 76204c30:20402032:30342e32:007a4847 80000006:ffffffff -> 00000000:00000000:01006040:00000000 80000007:ffffffff -> 00000000:00000000:00000000:00000100 80000008:ffffffff -> 0000302e:00000000:00000000:00000000 MSRs: index -> value 000000ce -> 0000000080000000 0000010a -> 0000000000000000 Host policy: 31 leaves, 2 MSRs CPUID: leaf subleaf -> eax ebx ecx edx 00000000:ffffffff -> 0000000d:756e6547:6c65746e:49656e69 00000001:ffffffff -> 000306e4:00200800:77bee3ff:bfebfbff 00000002:ffffffff -> 76036301:00f0b2ff:00000000:00ca0000 00000004:00000000 -> 3c004121:01c0003f:0000003f:00000000 00000004:00000001 -> 3c004122:01c0003f:0000003f:00000000 00000004:00000002 -> 3c004143:01c0003f:000001ff:00000000 00000004:00000003 -> 3c07c163:04c0003f:00002fff:00000006 00000007:00000000 -> 00000000:00000281:00000000:9c000400 0000000d:00000000 -> 00000007:00000000:00000340:00000000 0000000d:00000001 -> 00000001:00000000:00000000:00000000 0000000d:00000002 -> 00000100:00000240:00000000:00000000 80000000:ffffffff -> 80000008:00000000:00000000:00000000 80000001:ffffffff -> 00000000:00000000:00000001:2c100800 80000002:ffffffff -> 20202020:746e4920:52286c65:65582029 80000003:ffffffff -> 52286e6f:50432029:35452055:3334322d 80000004:ffffffff -> 76204c30:20402032:30342e32:007a4847 80000006:ffffffff -> 00000000:00000000:01006040:00000000 80000007:ffffffff -> 00000000:00000000:00000000:00000100 80000008:ffffffff -> 0000302e:00000000:00000000:00000000 MSRs: index -> value 000000ce -> 0000000080000000 0000010a -> 0000000000000000 PV Max policy: 31 leaves, 2 MSRs CPUID: leaf subleaf -> eax ebx ecx edx 00000000:ffffffff -> 0000000d:756e6547:6c65746e:49656e69 00000001:ffffffff -> 000306e4:00200800:f6b82203:1fc9cbf5 00000002:ffffffff -> 76036301:00f0b2ff:00000000:00ca0000 00000004:00000000 -> 3c004121:01c0003f:0000003f:00000000 00000004:00000001 -> 3c004122:01c0003f:0000003f:00000000 00000004:00000002 -> 3c004143:01c0003f:000001ff:00000000 00000004:00000003 -> 3c07c163:04c0003f:00002fff:00000006 00000007:00000000 -> 00000000:00000201:00000000:8c000400 0000000d:00000000 -> 00000007:00000000:00000340:00000000 0000000d:00000001 -> 00000001:00000000:00000000:00000000 0000000d:00000002 -> 00000100:00000240:00000000:00000000 80000000:ffffffff -> 80000008:00000000:00000000:00000000 80000001:ffffffff -> 00000000:00000000:00000001:28100800 80000002:ffffffff -> 20202020:746e4920:52286c65:65582029 80000003:ffffffff -> 52286e6f:50432029:35452055:3334322d 80000004:ffffffff -> 76204c30:20402032:30342e32:007a4847 80000006:ffffffff -> 00000000:00000000:01006040:00000000 80000007:ffffffff -> 00000000:00000000:00000000:00000100 80000008:ffffffff -> 0000302e:00001000:00000000:00000000 MSRs: index -> value 000000ce -> 0000000080000000 0000010a -> 0000000000000000 HVM Max policy: 31 leaves, 2 MSRs CPUID: leaf subleaf -> eax ebx ecx edx 00000000:ffffffff -> 0000000d:756e6547:6c65746e:49656e69 00000001:ffffffff -> 000306e4:00200800:f7ba2223:1fcbfbff 00000002:ffffffff -> 76036301:00f0b2ff:00000000:00ca0000 00000004:00000000 -> 3c004121:01c0003f:0000003f:00000000 00000004:00000001 -> 3c004122:01c0003f:0000003f:00000000 00000004:00000002 -> 3c004143:01c0003f:000001ff:00000000 00000004:00000003 -> 3c07c163:04c0003f:00002fff:00000006 00000007:00000000 -> 00000000:00000281:00000000:9c000400 0000000d:00000000 -> 00000007:00000000:00000340:00000000 0000000d:00000001 -> 00000001:00000000:00000000:00000000 0000000d:00000002 -> 00000100:00000240:00000000:00000000 80000000:ffffffff -> 80000008:00000000:00000000:00000000 80000001:ffffffff -> 00000000:00000000:00000001:2c100800 80000002:ffffffff -> 20202020:746e4920:52286c65:65582029 80000003:ffffffff -> 52286e6f:50432029:35452055:3334322d 80000004:ffffffff -> 76204c30:20402032:30342e32:007a4847 80000006:ffffffff -> 00000000:00000000:01006040:00000000 80000007:ffffffff -> 00000000:00000000:00000000:00000100 80000008:ffffffff -> 0000302e:00101000:00000000:00000000 MSRs: index -> value 000000ce -> 0000000080000000 0000010a -> 0000000000000000 PV Default policy: 31 leaves, 2 MSRs CPUID: leaf subleaf -> eax ebx ecx edx 00000000:ffffffff -> 0000000d:756e6547:6c65746e:49656e69 00000001:ffffffff -> 000306e4:00200800:f6b82203:1fc9cbf5 00000002:ffffffff -> 76036301:00f0b2ff:00000000:00ca0000 00000004:00000000 -> 3c004121:01c0003f:0000003f:00000000 00000004:00000001 -> 3c004122:01c0003f:0000003f:00000000 00000004:00000002 -> 3c004143:01c0003f:000001ff:00000000 00000004:00000003 -> 3c07c163:04c0003f:00002fff:00000006 00000007:00000000 -> 00000000:00000201:00000000:8c000400 0000000d:00000000 -> 00000007:00000000:00000340:00000000 0000000d:00000001 -> 00000001:00000000:00000000:00000000 0000000d:00000002 -> 00000100:00000240:00000000:00000000 80000000:ffffffff -> 80000008:00000000:00000000:00000000 80000001:ffffffff -> 00000000:00000000:00000001:28100800 80000002:ffffffff -> 20202020:746e4920:52286c65:65582029 80000003:ffffffff -> 52286e6f:50432029:35452055:3334322d 80000004:ffffffff -> 76204c30:20402032:30342e32:007a4847 80000006:ffffffff -> 00000000:00000000:01006040:00000000 80000008:ffffffff -> 0000302e:00001000:00000000:00000000 MSRs: index -> value 000000ce -> 0000000080000000 0000010a -> 0000000000000000 HVM Default policy: 31 leaves, 2 MSRs CPUID: leaf subleaf -> eax ebx ecx edx 00000000:ffffffff -> 0000000d:756e6547:6c65746e:49656e69 00000001:ffffffff -> 000306e4:00200800:f7ba2203:1fcbfbff 00000002:ffffffff -> 76036301:00f0b2ff:00000000:00ca0000 00000004:00000000 -> 3c004121:01c0003f:0000003f:00000000 00000004:00000001 -> 3c004122:01c0003f:0000003f:00000000 00000004:00000002 -> 3c004143:01c0003f:000001ff:00000000 00000004:00000003 -> 3c07c163:04c0003f:00002fff:00000006 00000007:00000000 -> 00000000:00000281:00000000:9c000400 0000000d:00000000 -> 00000007:00000000:00000340:00000000 0000000d:00000001 -> 00000001:00000000:00000000:00000000 0000000d:00000002 -> 00000100:00000240:00000000:00000000 80000000:ffffffff -> 80000008:00000000:00000000:00000000 80000001:ffffffff -> 00000000:00000000:00000001:2c100800 80000002:ffffffff -> 20202020:746e4920:52286c65:65582029 80000003:ffffffff -> 52286e6f:50432029:35452055:3334322d 80000004:ffffffff -> 76204c30:20402032:30342e32:007a4847 80000006:ffffffff -> 00000000:00000000:01006040:00000000 80000008:ffffffff -> 0000302e:00101000:00000000:00000000 MSRs: index -> value 000000ce -> 0000000080000000 0000010a -> 0000000000000000

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