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Wed, 30 Apr 2025 20:04:49 -0700 (PDT) X-Google-Smtp-Source: AGHT+IG1HYZaymy6EVaTH4wKRIzEm7W7NnVNI2iwuZwa7SP72F5l7R9CUpKQ6EYxkWw1HKHA9Whnjg== X-Received: by 2002:a17:902:ecc3:b0:224:76f:9e59 with SMTP id d9443c01a7336-22e040b0136mr23366505ad.10.1746068688970; Wed, 30 Apr 2025 20:04:48 -0700 (PDT) Received: from [192.168.68.51] ([180.233.125.65]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-30a244bd4e2sm3593226a91.0.2025.04.30.20.04.41 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 30 Apr 2025 20:04:48 -0700 (PDT) Message-ID: Date: Thu, 1 May 2025 13:04:39 +1000 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v8 42/43] KVM: arm64: Expose KVM_ARM_VCPU_REC to user space To: Steven Price , kvm@vger.kernel.org, kvmarm@lists.linux.dev Cc: Catalin Marinas , Marc Zyngier , Will Deacon , James Morse , Oliver Upton , Suzuki K Poulose , Zenghui Yu , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Joey Gouly , Alexandru Elisei , Christoffer Dall , Fuad Tabba , linux-coco@lists.linux.dev, Ganapatrao Kulkarni , Shanker Donthineni , Alper Gun , "Aneesh Kumar K . V" References: <20250416134208.383984-1-steven.price@arm.com> <20250416134208.383984-43-steven.price@arm.com> Content-Language: en-US From: Gavin Shan In-Reply-To: <20250416134208.383984-43-steven.price@arm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 4/16/25 11:42 PM, Steven Price wrote: > Increment KVM_VCPU_MAX_FEATURES to expose the new capability to user > space. > > Signed-off-by: Steven Price > --- > *NOTE*: This also exposes KVM_ARM_VCPU_HAS_EL2/KVM_ARM_VCPU_HAS_EL2_E2H0 > (as they are both less than KVM_ARM_VCPU_REC) - so this currently > depends on nested virt being 'finished' before merging. > > So this should be merged after: "KVM: arm64: Allow userspace to request > KVM_ARM_VCPU_EL2*": > https://lore.kernel.org/r/20250408105225.4002637-17-maz%40kernel.org > --- > arch/arm64/include/asm/kvm_host.h | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > Reviewed-by: Gavin Shan