Message ID | 20241004152804.72508-35-steven.price@arm.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org> X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 1B426CF8840 for <linux-arm-kernel@archiver.kernel.org>; Fri, 4 Oct 2024 17:10:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=xEmoP1L0jVCgYsUq3tX/y8d9qrxWENtfItr1cJQl4NA=; b=eWzwoPAOpqJ3Fn5cQiFJ32pWer 10nLvC3HwYCHtT4PA1lTbiWodsz4xk9KYiwQ4LAE2HnQtBnPqnxPF3cNHNzO7MMi7yHX1auJNVSCM exJBV47fuYuv5RqZKuDEHY6O2rcwwtm2g/9flhCexCbXZ+oXeu/1FFhCgmGl8+ZjteNgBoTv6CIgL kCHH3JRmZ51E/5Ez1Csd2VuDo5asOwtpgc9aTFozgG4HcLQCy2mlJ6JGranLzkfAZcz1JUgmaO06C whn21HI5q/tSVTjq0fmaDEzf4HcKMmSsMn/jGYAJathWi2KGu6J/YCEwbCJQNoES5tKoFUFmsABJ0 7qSJt1+Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1swloT-0000000DQAb-1vaP; Fri, 04 Oct 2024 17:09:57 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1swkGc-0000000D0dK-0hbx for linux-arm-kernel@lists.infradead.org; Fri, 04 Oct 2024 15:30:55 +0000 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 387EC1063; Fri, 4 Oct 2024 08:31:23 -0700 (PDT) Received: from e122027.cambridge.arm.com (unknown [10.1.25.25]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 62B113F640; Fri, 4 Oct 2024 08:30:49 -0700 (PDT) From: Steven Price <steven.price@arm.com> To: kvm@vger.kernel.org, kvmarm@lists.linux.dev Cc: Steven Price <steven.price@arm.com>, Catalin Marinas <catalin.marinas@arm.com>, Marc Zyngier <maz@kernel.org>, Will Deacon <will@kernel.org>, James Morse <james.morse@arm.com>, Oliver Upton <oliver.upton@linux.dev>, Suzuki K Poulose <suzuki.poulose@arm.com>, Zenghui Yu <yuzenghui@huawei.com>, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Joey Gouly <joey.gouly@arm.com>, Alexandru Elisei <alexandru.elisei@arm.com>, Christoffer Dall <christoffer.dall@arm.com>, Fuad Tabba <tabba@google.com>, linux-coco@lists.linux.dev, Ganapatrao Kulkarni <gankulkarni@os.amperecomputing.com>, Gavin Shan <gshan@redhat.com>, Shanker Donthineni <sdonthineni@nvidia.com>, Alper Gun <alpergun@google.com>, "Aneesh Kumar K . V" <aneesh.kumar@kernel.org> Subject: [PATCH v5 34/43] kvm: rme: Hide KVM_CAP_READONLY_MEM for realm guests Date: Fri, 4 Oct 2024 16:27:55 +0100 Message-Id: <20241004152804.72508-35-steven.price@arm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241004152804.72508-1-steven.price@arm.com> References: <20241004152804.72508-1-steven.price@arm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241004_083054_269665_1F7683CB X-CRM114-Status: UNSURE ( 9.83 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: <linux-arm-kernel.lists.infradead.org> List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=unsubscribe> List-Archive: <http://lists.infradead.org/pipermail/linux-arm-kernel/> List-Post: <mailto:linux-arm-kernel@lists.infradead.org> List-Help: <mailto:linux-arm-kernel-request@lists.infradead.org?subject=help> List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=subscribe> Sender: "linux-arm-kernel" <linux-arm-kernel-bounces@lists.infradead.org> Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org |
Series |
arm64: Support for Arm CCA in KVM
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expand
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diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c index 01128413088a..75d1216cf9e5 100644 --- a/arch/arm64/kvm/arm.c +++ b/arch/arm64/kvm/arm.c @@ -378,7 +378,6 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext) case KVM_CAP_ONE_REG: case KVM_CAP_ARM_PSCI: case KVM_CAP_ARM_PSCI_0_2: - case KVM_CAP_READONLY_MEM: case KVM_CAP_MP_STATE: case KVM_CAP_IMMEDIATE_EXIT: case KVM_CAP_VCPU_EVENTS: @@ -392,6 +391,7 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext) case KVM_CAP_COUNTER_OFFSET: r = 1; break; + case KVM_CAP_READONLY_MEM: case KVM_CAP_SET_GUEST_DEBUG: r = !kvm_is_realm(kvm); break;
For protected memory read only isn't supported. While it may be possible to support read only for unprotected memory, this isn't supported at the present time. Signed-off-by: Steven Price <steven.price@arm.com> --- arch/arm64/kvm/arm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)