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=-11.5 required=3.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED,DKIM_INVALID,DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS, 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 9877AC433EF for ; Wed, 8 Sep 2021 21:03:27 +0000 (UTC) Received: from mm01.cs.columbia.edu (mm01.cs.columbia.edu [128.59.11.253]) by mail.kernel.org (Postfix) with ESMTP id F3D976115B for ; Wed, 8 Sep 2021 21:03:26 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org F3D976115B Authentication-Results: mail.kernel.org; dmarc=fail (p=reject dis=none) header.from=google.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=lists.cs.columbia.edu Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 717604B091; Wed, 8 Sep 2021 17:03:26 -0400 (EDT) X-Virus-Scanned: at lists.cs.columbia.edu Authentication-Results: mm01.cs.columbia.edu (amavisd-new); dkim=softfail (fail, message has been altered) header.i=@google.com Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id TPF-CWthlR3J; Wed, 8 Sep 2021 17:03:25 -0400 (EDT) Received: from mm01.cs.columbia.edu (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 6274F4B0ED; Wed, 8 Sep 2021 17:03:25 -0400 (EDT) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 095604B0C2 for ; Wed, 8 Sep 2021 17:03:25 -0400 (EDT) X-Virus-Scanned: at lists.cs.columbia.edu Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id YkMgo9-nkBeq for ; Wed, 8 Sep 2021 17:03:24 -0400 (EDT) Received: from mail-pf1-f201.google.com (mail-pf1-f201.google.com [209.85.210.201]) by mm01.cs.columbia.edu (Postfix) with ESMTPS id EE7EC4B091 for ; Wed, 8 Sep 2021 17:03:23 -0400 (EDT) Received: by mail-pf1-f201.google.com with SMTP id o130-20020a62cd88000000b004053c6c1765so2098664pfg.6 for ; Wed, 08 Sep 2021 14:03:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=date:message-id:mime-version:subject:from:to:cc; bh=JC16aUwWh6VH1dHIMo/8cnVTyU7yQibp113aKDOygMY=; b=OXtBrVZQuDsj1Xd11yEKs6/hnslMSZ5qwPiSLFnQtXEJzAEZDxdwJ0oylLEAJYnpAY N/uIjCw9BAaW9hztD862iMgGgd2iUeKJm0Io91e8UK+7beow+rrfR7qBsanX5C4OYBkB oxyblXxt0sc1T5zq775Psfnb4LGYHas68I0MtlJwO/tXadr+oh0mmJV5uJVzqpVCC1wg 6vtkOxb0K71cdgMcQ7CEjZzB7i77/VeUued+2jJ5yLu+5jwm1nOq4Xmy3QX8Kgaj3Kkk Ib6Jrsz/EkXMWQPxU0zFo3452qgS0gBFH1G8cG7+oNkg4JSxllrFBy1EHWljpHeD/2Bj dQRg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:message-id:mime-version:subject:from:to:cc; bh=JC16aUwWh6VH1dHIMo/8cnVTyU7yQibp113aKDOygMY=; b=tfLbxW7RSEK2oEOWVKDgbu55K0tn4HfgU6+7kD5jctBcZFL49CufmxPeVe9fOBPvcW rdL7q4FzSt9oI+zHHMCP/VLEgGCRyj/DqahvBgzNEqiq5kiltI2puuk8jjuhOR/7tBLQ Sd62WugY+z9JTTumoqyoUq9TTl94LKk+BKlzfWrT07KVrVhmiOkQb3Eh1UUPJkdrW7PZ tTXX4AAtJu517ZunGU1Js+OSo1A1OZAalC3N+QGDiXBE5QkOw60bDHreiNI6AhmLlDaA Ck4S2Kf5WCV+rTyr8aI9O3Cy2IgiToFw/U6tjYD+UFg1mRdtABXpxP64ZZRrba26/S5W 7SFA== X-Gm-Message-State: AOAM532tURiymhY9eiuDu6CYgUMrp1DYWPk1nLQ0S8PExXSXZlP6fCbK VyUb3g12U5lAvtO+oWR5Aa2EuSg5ZjviAw== X-Google-Smtp-Source: ABdhPJzla16tMBCgG9E0q1xwBqSq8LzrlZo3pCb2r/5jjfDudDDoT/FtwgmHXvdHMdSKQAJYM1AtIxoy9XZR+w== X-Received: from ricarkol2.c.googlers.com ([fda3:e722:ac3:cc00:24:72f4:c0a8:62fe]) (user=ricarkol job=sendgmr) by 2002:a17:90b:1e02:: with SMTP id pg2mr6190361pjb.35.1631135002966; Wed, 08 Sep 2021 14:03:22 -0700 (PDT) Date: Wed, 8 Sep 2021 14:03:18 -0700 Message-Id: <20210908210320.1182303-1-ricarkol@google.com> Mime-Version: 1.0 X-Mailer: git-send-email 2.33.0.153.gba50c8fa24-goog Subject: [PATCH 0/2] KVM: arm64: vgic-v3: Missing check for redist region above the VM IPA size From: Ricardo Koller To: kvm@vger.kernel.org, maz@kernel.org, kvmarm@lists.cs.columbia.edu, drjones@redhat.com, eric.auger@redhat.com, alexandru.elisei@arm.com Cc: pshier@google.com, Paolo Bonzini , shuah@kernel.org X-BeenThere: kvmarm@lists.cs.columbia.edu X-Mailman-Version: 2.1.14 Precedence: list List-Id: Where KVM/ARM decisions are made List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu KVM doesn't check for redist regions that extend partially above the VM-specified IPA (phys_size). This can happen when using the KVM_VGIC_V3_ADDR_TYPE_REDIST attribute to set a new region that extends partially above phys_size (with the base below phys_size). The issue is that vcpus can potentially run into a situation where some redistributors are addressable and others are not. Patch 1 adds the missing check, and patch 2 adds a test into aarch64/vgic_init. Ricardo Koller (2): KVM: arm64: vgic: check redist region is not above the VM IPA size KVM: arm64: selftests: test for vgic redist above the VM IPA size arch/arm64/kvm/vgic/vgic-v3.c | 4 ++ .../testing/selftests/kvm/aarch64/vgic_init.c | 44 +++++++++++++++++++ 2 files changed, 48 insertions(+) -- 2.33.0.153.gba50c8fa24-goog _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm