From: Reiji Watanabe <reijiw@google.com>
To: Marc Zyngier <maz@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org,
kvmarm@lists.cs.columbia.edu, kvmarm@lists.linux.dev,
kvm@vger.kernel.org, James Morse <james.morse@arm.com>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
Alexandru Elisei <alexandru.elisei@arm.com>,
Oliver Upton <oliver.upton@linux.dev>,
Ricardo Koller <ricarkol@google.com>
Subject: Re: [PATCH v4 11/16] KVM: arm64: PMU: Allow ID_AA64DFR0_EL1.PMUver to be set from userspace
Date: Fri, 18 Nov 2022 21:31:12 -0800 [thread overview]
Message-ID: <CAAeT=Fzn2znqPRTH6TE_NbgD+OF8oLcFX5uooZ3Svn-OgBa7Gw@mail.gmail.com> (raw)
In-Reply-To: <20221113163832.3154370-12-maz@kernel.org>
On Sun, Nov 13, 2022 at 8:46 AM Marc Zyngier <maz@kernel.org> wrote:
>
> Allow userspace to write ID_AA64DFR0_EL1, on the condition that only
> the PMUver field can be altered and be at most the one that was
> initially computed for the guest.
>
> Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Reiji Watanabe <reijiw@google.com>
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next prev parent reply other threads:[~2022-11-19 5:32 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-13 16:38 [PATCH v4 00/16] KVM: arm64: PMU: Fixing chained events, and PMUv3p5 support Marc Zyngier
2022-11-13 16:38 ` [PATCH v4 01/16] arm64: Add ID_DFR0_EL1.PerfMon values for PMUv3p7 and IMP_DEF Marc Zyngier
2022-11-13 16:38 ` [PATCH v4 02/16] KVM: arm64: PMU: Align chained counter implementation with architecture pseudocode Marc Zyngier
2022-11-16 7:15 ` Reiji Watanabe
2022-11-13 16:38 ` [PATCH v4 03/16] KVM: arm64: PMU: Always advertise the CHAIN event Marc Zyngier
2022-11-13 16:38 ` [PATCH v4 04/16] KVM: arm64: PMU: Distinguish between 64bit counter and 64bit overflow Marc Zyngier
2022-12-01 16:47 ` Ricardo Koller
2022-12-01 16:51 ` Ricardo Koller
2022-12-05 12:05 ` Marc Zyngier
2022-12-05 18:50 ` Ricardo Koller
2022-11-13 16:38 ` [PATCH v4 05/16] KVM: arm64: PMU: Narrow the overflow checking when required Marc Zyngier
2022-11-17 6:50 ` Reiji Watanabe
2022-11-13 16:38 ` [PATCH v4 06/16] KVM: arm64: PMU: Only narrow counters that are not 64bit wide Marc Zyngier
2022-11-17 6:54 ` Reiji Watanabe
2022-11-13 16:38 ` [PATCH v4 07/16] KVM: arm64: PMU: Add counter_index_to_*reg() helpers Marc Zyngier
2022-11-18 6:16 ` Reiji Watanabe
2022-11-13 16:38 ` [PATCH v4 08/16] KVM: arm64: PMU: Simplify setting a counter to a specific value Marc Zyngier
2022-11-13 16:38 ` [PATCH v4 09/16] KVM: arm64: PMU: Do not let AArch32 change the counters' top 32 bits Marc Zyngier
2022-11-18 7:45 ` Reiji Watanabe
2022-11-19 12:32 ` Marc Zyngier
2022-11-13 16:38 ` [PATCH v4 10/16] KVM: arm64: PMU: Move the ID_AA64DFR0_EL1.PMUver limit to VM creation Marc Zyngier
2022-11-13 16:38 ` [PATCH v4 11/16] KVM: arm64: PMU: Allow ID_AA64DFR0_EL1.PMUver to be set from userspace Marc Zyngier
2022-11-19 5:31 ` Reiji Watanabe [this message]
2022-11-13 16:38 ` [PATCH v4 12/16] KVM: arm64: PMU: Allow ID_DFR0_EL1.PerfMon " Marc Zyngier
2022-11-19 5:52 ` Reiji Watanabe
2022-11-19 12:54 ` Marc Zyngier
2022-11-13 16:38 ` [PATCH v4 13/16] KVM: arm64: PMU: Implement PMUv3p5 long counter support Marc Zyngier
2022-11-23 5:58 ` Reiji Watanabe
2022-11-23 11:11 ` Marc Zyngier
2022-11-23 17:11 ` Reiji Watanabe
2022-11-24 10:17 ` Marc Zyngier
2022-11-29 3:03 ` Reiji Watanabe
2022-11-13 16:38 ` [PATCH v4 14/16] KVM: arm64: PMU: Allow PMUv3p5 to be exposed to the guest Marc Zyngier
2022-11-23 6:07 ` Reiji Watanabe
2022-11-13 16:38 ` [PATCH v4 15/16] KVM: arm64: PMU: Simplify vcpu computation on perf overflow notification Marc Zyngier
2022-11-23 6:27 ` Reiji Watanabe
2022-11-13 16:38 ` [PATCH v4 16/16] KVM: arm64: PMU: Make kvm_pmc the main data structure Marc Zyngier
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