[moderation/CI] Re: KVM: x86/pmu: Add hardware Topdown metrics support

syzbot ci <[email protected]> Tue, 28 Jul 2026 11:21:14 -0700
Newsgroups dev.linux.lists.syzbot
Message-ID <[email protected]>
syzbot ci has tested the following series

[v7] KVM: x86/pmu: Add hardware Topdown metrics support
https://lore.kernel.org/all/[email protected]
* [PATCH v7 1/9] KVM: x86/pmu: Do not map fixed counters >= 3 to generic perf events
* [PATCH v7 2/9] KVM: x86/pmu: Support Intel fixed counter 3 on mediated vPMU
* [PATCH v7 3/9] KVM: x86/pmu: Rename and move vcpu_get_perf_capabilities() to pmu.h
* [PATCH v7 4/9] KVM: x86/pmu: Snapshot host IA32_PERF_CAPABILITIES in kvm_host
* [PATCH v7 5/9] KVM: x86/pmu: Support PERF_METRICS MSR in mediated vPMU
* [PATCH v7 6/9] KVM: x86/pmu: Move RDPMC emulation into per-vendor callbacks
* [PATCH v7 7/9] KVM: x86/pmu: Restrict RDPMC passthrough to known CPUs
* [PATCH v7 8/9] KVM: x86/pmu: Emulate RDPMC on performance metrics
* [PATCH v7 9/9] KVM: selftests: Add PERF_METRICS and fixed counter 3 tests

and found the following issue:
kernel build error

Full report is available here:
https://ci.syzbot.org/series/a13c8555-bb2f-4a56-8e6e-44118c51c80c

***

kernel build error

tree:      kvm-next
URL:       https://kernel.googlesource.com/pub/scm/virt/kvm/kvm/
base:      a204badd8432f93b7e862e7dac6db0fe3d65f370
arch:      amd64
compiler:  Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
config:    https://ci.syzbot.org/builds/3201c48d-2519-42bd-9cfd-04d5c26c628e/config

arch/x86/kvm/pmu.c:90:16: error: use of undeclared identifier 'INTEL_PANTHERLAKE_R'

***

If these findings have caused you to resend the series or submit a
separate fix, please add the following tag to your commit message:
  Tested-by: [email protected]

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