From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C7F59C4338F for ; Wed, 25 Aug 2021 16:17:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AECE461181 for ; Wed, 25 Aug 2021 16:17:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240609AbhHYQSd (ORCPT ); Wed, 25 Aug 2021 12:18:33 -0400 Received: from foss.arm.com ([217.140.110.172]:54726 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240429AbhHYQSP (ORCPT ); Wed, 25 Aug 2021 12:18:15 -0400 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 D42CB113E; Wed, 25 Aug 2021 09:17:29 -0700 (PDT) Received: from monolith.cable.virginm.net (unknown [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 838793F66F; Wed, 25 Aug 2021 09:17:28 -0700 (PDT) From: Alexandru Elisei To: maz@kernel.org, james.morse@arm.com, suzuki.poulose@arm.com, linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, will@kernel.org, linux-kernel@vger.kernel.org Subject: [RFC PATCH v4 11/39] KVM: arm64: Allow userspace to lock and unlock memslots Date: Wed, 25 Aug 2021 17:17:47 +0100 Message-Id: <20210825161815.266051-12-alexandru.elisei@arm.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20210825161815.266051-1-alexandru.elisei@arm.com> References: <20210825161815.266051-1-alexandru.elisei@arm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The ioctls have been implemented, allow the userspace to lock and unlock memslots. Signed-off-by: Alexandru Elisei --- arch/arm64/kvm/arm.c | 9 +-------- 1 file changed, 1 insertion(+), 8 deletions(-) diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c index c47e96ae4f7c..4bd4b8b082a4 100644 --- a/arch/arm64/kvm/arm.c +++ b/arch/arm64/kvm/arm.c @@ -80,11 +80,6 @@ int kvm_arch_check_processor_compat(void *opaque) return 0; } -static int kvm_arm_lock_memslot_supported(void) -{ - return 0; -} - static int kvm_lock_user_memory_region_ioctl(struct kvm *kvm, struct kvm_enable_cap *cap) { @@ -127,8 +122,6 @@ int kvm_vm_ioctl_enable_cap(struct kvm *kvm, kvm->arch.mte_enabled = true; break; case KVM_CAP_ARM_LOCK_USER_MEMORY_REGION: - if (!kvm_arm_lock_memslot_supported()) - return -EINVAL; r = kvm_lock_user_memory_region_ioctl(kvm, cap); break; default: @@ -306,7 +299,7 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext) r = system_has_full_ptr_auth(); break; case KVM_CAP_ARM_LOCK_USER_MEMORY_REGION: - r = kvm_arm_lock_memslot_supported(); + r = 1; break; default: r = 0; -- 2.33.0