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From:   Oliver Upton <oliver.upton@linux.dev>
To:     kvmarm@lists.linux.dev
Cc:     kvm@vger.kernel.org, Marc Zyngier <maz@kernel.org>,
        James Morse <james.morse@arm.com>,
        Suzuki K Poulose <suzuki.poulose@arm.com>,
        Zenghui Yu <yuzenghui@huawei.com>
Subject: Re: [PATCH v2 2/2] KVM: arm64: Virtualise PMEVTYPER<n>_EL1.{NSU,NSK}
Message-ID: <ZSjcIpdOGpSEjpu8@linux.dev>
References: <20231013052901.170138-1-oliver.upton@linux.dev>
 <20231013052901.170138-3-oliver.upton@linux.dev>
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On Fri, Oct 13, 2023 at 05:29:01AM +0000, Oliver Upton wrote:
> Suzuki noticed that KVM's PMU emulation is oblivious to the NSU and NSK
> event filter bits. On systems that have EL3 these bits modify the
> filter behavior in non-secure EL0 and EL1, respectively. Even though the
> kernel doesn't use these bits, it is entirely possible some other guest
> OS does.
> 
> Implement the behavior of NSU and NSK as it appears in the pseudocode.
> 
> Reported-by: Suzuki K Poulose <suzuki.poulose@arm.com>
> Signed-off-by: Oliver Upton <oliver.upton@linux.dev>

This is obviously EL0, not EL1. Assuing there's no respin, I intend to
fix up the shortlog after applying the series.

-- 
Thanks,
Oliver