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 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 7C423CD4F54 for ; Tue, 19 May 2026 06:54:46 +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-Type:MIME-Version: Message-ID:Date:References:In-Reply-To:Subject:Cc:To:From:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=WmVobqqEallvm7lE3zTMCUvYcTmJzyMk52MpJZx8aRc=; b=Kcp6VgxXAYjX/lB0jXn52hVAHq 9byr6pDprLyLccZ4UoJzBlEIaHlZpNwEqpT4I/af5AUWTkVmq0ewWYk10BUuDxhI6IKeApDCbkS7U JV8ZxbkbFS3dIS8Q5roqa/l+KkMvhqVhWO+3m0eVWYXcG27KNvSp2fW/KaOLdyDmuUHZZMykMH8s1 dkbvVe46PcZyf8GDUWioiE4fzi75O5KdPHJqx7ZobkFVmodg4v033xomO0pYA/AQNRbvePykAkHAs MUrr0ijx4++6MpMuFFBSDkKe9iBOS/bqvGhGXUW1FFXr6ukbjQBovHb9lEul9k337D+UTTLx8GyFO ZKn9bfAA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wPELf-00000000Pvi-1Z3Y; Tue, 19 May 2026 06:54:39 +0000 Received: from tor.source.kernel.org ([2600:3c04:e001:324:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wPELd-00000000PvJ-1pc0 for linux-arm-kernel@lists.infradead.org; Tue, 19 May 2026 06:54:37 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 8C83560208; Tue, 19 May 2026 06:54:36 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id CB720C2BCB3; Tue, 19 May 2026 06:54:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1779173676; bh=WTulWk0fdJsYN4VDWBS3LAugunVY3PrhUqz2mvZt/Fw=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=uSxdtMhTYbo8vA/rS1evCTJW7BFfc4cZ9/tQPleeIUwcXo8myxlf78qlAuxCzWtkD tBmy+pTVVxODiJBiq+9FY3caN9vYALV+porHWp7dOLbCJjY5UEDay1YYCDJ4MQbYn/ G/8RbcTGCJJOFWMqQItxyghbiZnq96UF4EtzAlX/zCJw08HF0nVw8f5dRAzFZGYq33 2p0Q9V1/0Gccpqoczx/1RxlVbo3hsU9rpmPz86x/IQgTUqiDp7ahzb9jKSgSLbMV3R 94v7n1MO5uWG0MYhQHkZfWJTpmaEKBUb60y46Nwb1JIGCszsqEbE8jQRv/QExHo0p5 GfjyRqyPPl4Aw== X-Mailer: emacs 30.2 (via feedmail 11-beta-1 I) From: Aneesh Kumar K.V To: Steven Price , kvm@vger.kernel.org, kvmarm@lists.linux.dev Cc: Steven Price , 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 , Gavin Shan , Shanker Donthineni , Alper Gun , Emi Kisanuki , Vishal Annapurve , WeiLin.Chang@arm.com, Lorenzo.Pieralisi2@arm.com Subject: Re: [PATCH v14 17/44] arm64: RMI: RTT tear down In-Reply-To: <20260513131757.116630-18-steven.price@arm.com> References: <20260513131757.116630-1-steven.price@arm.com> <20260513131757.116630-18-steven.price@arm.com> Date: Tue, 19 May 2026 12:24:26 +0530 Message-ID: MIME-Version: 1.0 Content-Type: text/plain X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Steven Price writes: > +static void kvm_realm_uninit_stage2(struct kvm_s2_mmu *mmu) > +{ > + struct kvm *kvm = kvm_s2_mmu_to_kvm(mmu); > + struct realm *realm = &kvm->arch.realm; > + > + if (kvm_realm_state(kvm) != REALM_STATE_ACTIVE) > + return; > + > + write_lock(&kvm->mmu_lock); > + kvm_stage2_unmap_range(mmu, 0, BIT(realm->ia_bits - 1), true); > + write_unlock(&kvm->mmu_lock); > + kvm_realm_destroy_rtts(kvm); > +} > + We also call kvm_stage2_unmap_range in kvm_destroy_realm() void kvm_destroy_realm(struct kvm *kvm) { ... write_lock(&kvm->mmu_lock); kvm_stage2_unmap_range(&kvm->arch.mmu, 0, BIT(realm->ia_bits - 1), true); write_unlock(&kvm->mmu_lock); -aneesh