From: Dapeng Mi <dapeng1.mi@linux.intel.com>
To: Sean Christopherson <seanjc@google.com>,
Paolo Bonzini <pbonzini@redhat.com>
Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
Jim Mattson <jmattson@google.com>,
Mingwei Zhang <mizhang@google.com>,
Zide Chen <zide.chen@intel.com>,
Das Sandipan <Sandipan.Das@amd.com>,
Shukla Manali <Manali.Shukla@amd.com>,
Xiaoyao Li <xiaoyao.li@intel.com>,
Dapeng Mi <dapeng1.mi@intel.com>,
Dapeng Mi <dapeng1.mi@linux.intel.com>,
Yi Lai <yi1.lai@intel.com>
Subject: [kvm-unit-tests patch v3 7/8] x86: pmu_pebs: Remove abundant data_cfg_match calculation
Date: Wed, 3 Sep 2025 14:46:00 +0800 [thread overview]
Message-ID: <20250903064601.32131-8-dapeng1.mi@linux.intel.com> (raw)
In-Reply-To: <20250903064601.32131-1-dapeng1.mi@linux.intel.com>
Remove abundant data_cfg_match calculation.
Signed-off-by: Dapeng Mi <dapeng1.mi@linux.intel.com>
Tested-by: Yi Lai <yi1.lai@intel.com>
---
x86/pmu_pebs.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/x86/pmu_pebs.c b/x86/pmu_pebs.c
index 6e73fc34..2848cc1e 100644
--- a/x86/pmu_pebs.c
+++ b/x86/pmu_pebs.c
@@ -296,7 +296,6 @@ static void check_pebs_records(u64 bitmask, u64 pebs_data_cfg, bool use_adaptive
pebs_record_size = pebs_rec->format_size >> RECORD_SIZE_OFFSET;
pebs_idx_match = pebs_rec->applicable_counters & bitmask;
pebs_size_match = pebs_record_size == get_pebs_record_size(pebs_data_cfg, use_adaptive);
- data_cfg_match = (pebs_rec->format_size & GENMASK_ULL(47, 0)) == pebs_data_cfg;
data_cfg_match = (pebs_rec->format_size & GENMASK_ULL(47, 0)) ==
(use_adaptive ? pebs_data_cfg : 0);
expected = pebs_idx_match && pebs_size_match && data_cfg_match;
--
2.34.1
next prev parent reply other threads:[~2025-09-03 6:47 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-03 6:45 [kvm-unit-tests patch v3 0/8] Fix pmu test errors on GNR/SRF/CWF Dapeng Mi
2025-09-03 6:45 ` [kvm-unit-tests patch v3 1/8] x86/pmu: Add helper to detect Intel overcount issues Dapeng Mi
2025-11-20 22:27 ` Sean Christopherson
2025-11-21 1:18 ` Mi, Dapeng
2025-09-03 6:45 ` [kvm-unit-tests patch v3 2/8] x86/pmu: Relax precise count validation for Intel overcounted platforms Dapeng Mi
2025-09-03 6:45 ` [kvm-unit-tests patch v3 3/8] x86/pmu: Fix incorrect masking of fixed counters Dapeng Mi
2025-11-20 22:28 ` Sean Christopherson
2025-11-21 1:25 ` Mi, Dapeng
2025-09-03 6:45 ` [kvm-unit-tests patch v3 4/8] x86/pmu: Handle instruction overcount issue in overflow test Dapeng Mi
2025-09-03 6:45 ` [kvm-unit-tests patch v3 5/8] x86/pmu: Relax precise count check for emulated instructions tests Dapeng Mi
2025-11-20 22:29 ` Sean Christopherson
2025-11-21 0:53 ` Mi, Dapeng
2025-09-03 6:45 ` [kvm-unit-tests patch v3 6/8] x86/pmu: Expand "llc references" upper limit for broader compatibility Dapeng Mi
2025-09-03 6:46 ` Dapeng Mi [this message]
2025-09-03 6:46 ` [kvm-unit-tests patch v3 8/8] x86: pmu_pebs: Support to validate timed PEBS record on GNR/SRF Dapeng Mi
2025-11-20 22:30 ` [kvm-unit-tests patch v3 0/8] Fix pmu test errors on GNR/SRF/CWF Sean Christopherson
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