From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id B65F728F2; Fri, 27 Jan 2023 11:40:03 +0000 (UTC) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 2471D1684; Fri, 27 Jan 2023 03:40:45 -0800 (PST) Received: from ewhatever.cambridge.arm.com (ewhatever.cambridge.arm.com [10.1.197.1]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 911713F64C; Fri, 27 Jan 2023 03:40:00 -0800 (PST) From: Suzuki K Poulose To: kvm@vger.kernel.org, kvmarm@lists.linux.dev Cc: suzuki.poulose@arm.com, Alexandru Elisei , Andrew Jones , Christoffer Dall , Fuad Tabba , Jean-Philippe Brucker , Joey Gouly , Marc Zyngier , Mark Rutland , Oliver Upton , Paolo Bonzini , Quentin Perret , Steven Price , Thomas Huth , Will Deacon , Zenghui Yu , linux-coco@lists.linux.dev, kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [RFC kvmtool 05/31] arm64: Check pvtime support against the KVM instance Date: Fri, 27 Jan 2023 11:39:06 +0000 Message-Id: <20230127113932.166089-6-suzuki.poulose@arm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230127113932.166089-1-suzuki.poulose@arm.com> References: <20230127112248.136810-1-suzuki.poulose@arm.com> <20230127113932.166089-1-suzuki.poulose@arm.com> Precedence: bulk X-Mailing-List: linux-coco@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit KVM_CAP_STEAL_TIME can be checked against a VM instance. To allow controlling the feature depending on the VM type, use the cap against the VM. Signed-off-by: Suzuki K Poulose --- arm/aarch64/pvtime.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arm/aarch64/pvtime.c b/arm/aarch64/pvtime.c index 2933ac7c..839aa8a7 100644 --- a/arm/aarch64/pvtime.c +++ b/arm/aarch64/pvtime.c @@ -58,8 +58,8 @@ int kvm_cpu__setup_pvtime(struct kvm_cpu *vcpu) if (kvm_cfg->no_pvtime) return 0; - has_stolen_time = kvm__supports_extension(vcpu->kvm, - KVM_CAP_STEAL_TIME); + has_stolen_time = kvm__supports_vm_extension(vcpu->kvm, + KVM_CAP_STEAL_TIME); if (!has_stolen_time) { kvm_cfg->no_pvtime = true; return 0; -- 2.34.1