From: Sean Christopherson <seanjc@google.com>
To: Like Xu <like.xu.linux@gmail.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>,
kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
Jinrong Liang <cloudliang@tencent.com>,
Aaron Lewis <aaronlewis@google.com>
Subject: Re: [PATCH] KVM: x86/pmu: Apply event filter mechanism to emulated instructions
Date: Wed, 22 Feb 2023 11:28:16 -0800 [thread overview]
Message-ID: <Y/Zs0M48SnI1WMCr@google.com> (raw)
In-Reply-To: <20230222082002.97570-1-likexu@tencent.com>
On Wed, Feb 22, 2023, Like Xu wrote:
> From: Like Xu <likexu@tencent.com>
>
> The check_pmu_event_filter() prevents the perf_event from being created
> and stops the associated counters from increasing, the same check should
> also be applied to counter increases caused by emulated instructions.
> Otherwise this filter mechanism cannot be considered to be in effect.
>
> Reported-by: Jinrong Liang <cloudliang@tencent.com>
Already posted by Aaron[*], but I don't think there's been a follow-up. Aaron?
[*] https://lore.kernel.org/all/20221209194957.2774423-2-aaronlewis@google.com
next prev parent reply other threads:[~2023-02-22 19:28 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-02-22 8:20 [PATCH] KVM: x86/pmu: Apply event filter mechanism to emulated instructions Like Xu
2023-02-22 19:28 ` Sean Christopherson [this message]
2023-02-22 20:38 ` Aaron Lewis
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