From: Sean Christopherson <seanjc@google.com>
To: Manali Shukla <manali.shukla@amd.com>
Cc: kvm@vger.kernel.org, linux-kselftest@vger.kernel.org,
pbonzini@redhat.com, shuah@kernel.org, nikunj@amd.com,
thomas.lendacky@amd.com
Subject: Re: [PATCH] KVM: selftest: Add family and model check for zen4 in PMU filter test
Date: Wed, 1 May 2024 15:32:21 +0000 [thread overview]
Message-ID: <ZjJghQ25H-ttaV4b@google.com> (raw)
In-Reply-To: <20240501152451.4458-1-manali.shukla@amd.com>
On Wed, May 01, 2024, Manali Shukla wrote:
> PMU event filter test fails on zen4 architecture because of
> unavailability of family and model check for zen4 in use_amd_pmu().
> So, add family and model check for zen4 architecture in use_amd_pmu().
Is there a less ugly way to detect that 0xc2,0 == "branch instructions retired"?
E.g. can we instead check for v2 PMU support, or are there no guarantees going
forward? Pivoting on FMS is so painful :-(
prev parent reply other threads:[~2024-05-01 15:32 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-01 15:24 [PATCH] KVM: selftest: Add family and model check for zen4 in PMU filter test Manali Shukla
2024-05-01 15:32 ` Sean Christopherson [this message]
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