linux-kernel - Re: [kvm-unit-tests patch v3 0/8] Fix pmu test errors on GNR/SRF/CWF

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <aR-WlHq5HKeLa6Pc@google.com>
Date: Thu, 20 Nov 2025 14:30:44 -0800
From: Sean Christopherson <seanjc@...gle.com>
To: Dapeng Mi <dapeng1.mi@...ux.intel.com>
Cc: Paolo Bonzini <pbonzini@...hat.com>, kvm@...r.kernel.org, linux-kernel@...r.kernel.org, 
	Jim Mattson <jmattson@...gle.com>, Mingwei Zhang <mizhang@...gle.com>, 
	Zide Chen <zide.chen@...el.com>, Das Sandipan <Sandipan.Das@....com>, 
	Shukla Manali <Manali.Shukla@....com>, Xiaoyao Li <xiaoyao.li@...el.com>, 
	Dapeng Mi <dapeng1.mi@...el.com>
Subject: Re: [kvm-unit-tests patch v3 0/8] Fix pmu test errors on GNR/SRF/CWF

On Wed, Sep 03, 2025, Dapeng Mi wrote:
> Dapeng Mi (3):
>   x86/pmu: Relax precise count check for emulated instructions tests
>   x86: pmu_pebs: Remove abundant data_cfg_match calculation
>   x86: pmu_pebs: Support to validate timed PEBS record on GNR/SRF
> 
> dongsheng (5):
>   x86/pmu: Add helper to detect Intel overcount issues
>   x86/pmu: Relax precise count validation for Intel overcounted
>     platforms
>   x86/pmu: Fix incorrect masking of fixed counters
>   x86/pmu: Handle instruction overcount issue in overflow test
>   x86/pmu: Expand "llc references" upper limit for broader compatibility
> 
>  lib/x86/pmu.h       |  6 +++
>  lib/x86/processor.h | 27 +++++++++++++
>  x86/pmu.c           | 95 ++++++++++++++++++++++++++++++++++++++-------
>  x86/pmu_pebs.c      |  9 +++--
>  4 files changed, 120 insertions(+), 17 deletions(-)

Some minor issues, but otherwise looks good.  I'll take care of all the issues
(though I'll still post a v4 so that there's a paper trail for what I'm applying).