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Message-ID: <f61ef14b-9a51-48c5-b88e-518461c988cb@redhat.com>
Date: Thu, 1 May 2025 13:42:46 +1000
From: Gavin Shan <gshan@...hat.com>
To: Steven Price <steven.price@....com>, kvm@...r.kernel.org,
kvmarm@...ts.linux.dev
Cc: Jean-Philippe Brucker <jean-philippe@...aro.org>,
Catalin Marinas <catalin.marinas@....com>, Marc Zyngier <maz@...nel.org>,
Will Deacon <will@...nel.org>, James Morse <james.morse@....com>,
Oliver Upton <oliver.upton@...ux.dev>,
Suzuki K Poulose <suzuki.poulose@....com>, Zenghui Yu
<yuzenghui@...wei.com>, linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org, Joey Gouly <joey.gouly@....com>,
Alexandru Elisei <alexandru.elisei@....com>,
Christoffer Dall <christoffer.dall@....com>, Fuad Tabba <tabba@...gle.com>,
linux-coco@...ts.linux.dev,
Ganapatrao Kulkarni <gankulkarni@...amperecomputing.com>,
Shanker Donthineni <sdonthineni@...dia.com>, Alper Gun
<alpergun@...gle.com>, "Aneesh Kumar K . V" <aneesh.kumar@...nel.org>
Subject: Re: [PATCH v8 36/43] arm64: RME: Initialize PMCR.N with number
counter supported by RMM
On 4/16/25 11:41 PM, Steven Price wrote:
> From: Jean-Philippe Brucker <jean-philippe@...aro.org>
>
> Provide an accurate number of available PMU counters to userspace when
> setting up a Realm.
>
> Signed-off-by: Jean-Philippe Brucker <jean-philippe@...aro.org>
> Signed-off-by: Steven Price <steven.price@....com>
> ---
> arch/arm64/include/asm/kvm_rme.h | 1 +
> arch/arm64/kvm/pmu-emul.c | 3 +++
> arch/arm64/kvm/rme.c | 5 +++++
> 3 files changed, 9 insertions(+)
>
Reviewed-by: Gavin Shan <gshan@...hat.com>
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