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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 27CFBC433EF for ; Tue, 5 Oct 2021 09:02:07 +0000 (UTC) Received: from mm01.cs.columbia.edu (mm01.cs.columbia.edu [128.59.11.253]) by mail.kernel.org (Postfix) with ESMTP id 8E39861159 for ; Tue, 5 Oct 2021 09:02:06 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 8E39861159 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 1CC664B2B9; Tue, 5 Oct 2021 05:02:06 -0400 (EDT) X-Virus-Scanned: at lists.cs.columbia.edu Authentication-Results: mm01.cs.columbia.edu (amavisd-new); dkim=softfail (fail, body 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 dLrfD46zgmYb; Tue, 5 Oct 2021 05:02:05 -0400 (EDT) Received: from mm01.cs.columbia.edu (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 200C84B2D2; Tue, 5 Oct 2021 05:02:05 -0400 (EDT) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id E2F224B2A7 for ; Tue, 5 Oct 2021 05:02:03 -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 XG2J9by3fua1 for ; Tue, 5 Oct 2021 05:02:02 -0400 (EDT) Received: from mail-qv1-f73.google.com (mail-qv1-f73.google.com [209.85.219.73]) by mm01.cs.columbia.edu (Postfix) with ESMTPS id D627D4B270 for ; Tue, 5 Oct 2021 05:02:02 -0400 (EDT) Received: by mail-qv1-f73.google.com with SMTP id u13-20020ad45aad000000b003829b9760b8so13309910qvg.18 for ; Tue, 05 Oct 2021 02:02:02 -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=YjTsD/0+blx8dzSzzvYPEmIwxWymL2rSsPmT9WrblMQ=; b=Oni8vTpzdoAguLL9g/0bTNlxG6eqPKNXR7hlH2QVhmPG/MSICPVMmjIkLRMVoFZsak qu7HwsUXwfWdDGja/pJ6rr0gubuHFEcEDOhT1sEUrKFT0YEeebrwEK01Eukybn0GEJ7t Un/N37PDtmLGAevXkQx9RIeDEMjoS/Rb6BKBU4YVPFU/ad/YLq/KXkFDoCP+IObdA6h4 kfqOcbJ1Axh78XlOffdWVzqd2+p5AV42WHmazyMlMQLbiNF3gOWDEbO9ZaI5Y5tsmZct qU/XyCEcLAj+ar44gtcChNSpXGDU2wR5b0HWyYCQDMIYY+/le0bK+7smskmSqoCjAFra 8DDQ== 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=YjTsD/0+blx8dzSzzvYPEmIwxWymL2rSsPmT9WrblMQ=; b=SOnEMAz1cMDJvLqq+HoI9Vf2T7dWPLa+vtTvk/EwrYBDHBhxtyUG205pyVNbieO/cT 3TeUsgkUmMPOFZfXlv9q38gv/chVPLdwRB1z9rFzRQ5GF0puazckDm/cQrEqYzQH0Tep l61L0yEf8/qYpK3v/n/6PunQ8+npKEzePl9+xva34KkWVb/5z4kvVWoxog0mZoRsN89b Ki75CP5WOxE4ulRNkA7w3tWTKQMgvrfk372I/j4WalevKTh7iJnB3kYF87J7RMnZ1Xwa DRJ18gQOOOiVFsJx9Gef4gWQgJCAVmj7aDaXqcWrNwtRA/aWChIFM9WrftGU+gfgZmCi 1/fA== X-Gm-Message-State: AOAM532wcggG1cZqOlPWQfNWgI1FifUo9EyGs0QP7lEs69zIRmLAWZi1 5ca1QCBAoufGVU67NEGdlTorb2sOX5Xe X-Google-Smtp-Source: ABdhPJzdJwotAoaBB3EtyGIAZNxFrytEsAJXsOE9DPlOSjQixLdLb9VSyUZ6rGK2FOH7gAKnzLzBgNvtbGus X-Received: from luke.lon.corp.google.com ([2a00:79e0:d:210:5700:9128:3106:b389]) (user=qperret job=sendgmr) by 2002:ad4:4629:: with SMTP id x9mr26087544qvv.58.1633424522389; Tue, 05 Oct 2021 02:02:02 -0700 (PDT) Date: Tue, 5 Oct 2021 10:01:37 +0100 Message-Id: <20211005090155.734578-1-qperret@google.com> Mime-Version: 1.0 X-Mailer: git-send-email 2.33.0.800.g4c38ced690-goog Subject: [PATCH 0/2] A couple of EL2 refcounts fixes From: Quentin Perret To: Marc Zyngier , James Morse , Alexandru Elisei , Suzuki K Poulose , Catalin Marinas , Will Deacon , Quentin Perret , Fuad Tabba , David Brazdil , linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, linux-kernel@vger.kernel.org Cc: kernel-team@android.com 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 Hi all, This addresses a couple of issues Will has found with the refcounting of page-tables at EL2. Patch 01 fixes a nasty bug, and probably wants to go in -stable. Patch 02 fixes a small inconsistency which made it harder to find refcount-related bugs at EL2. Feedback welcome ! Thanks, Quentin Quentin Perret (2): KVM: arm64: Fix host stage-2 PGD refcount KVM: arm64: Report corrupted refcount at EL2 arch/arm64/kvm/hyp/include/nvhe/gfp.h | 1 + arch/arm64/kvm/hyp/nvhe/mem_protect.c | 6 +++++- arch/arm64/kvm/hyp/nvhe/page_alloc.c | 15 +++++++++++++++ 3 files changed, 21 insertions(+), 1 deletion(-) -- 2.33.0.800.g4c38ced690-goog _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm