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=-4.0 required=3.0 tests=MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=no 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 764DEC433DF for ; Wed, 1 Jul 2020 21:53:15 +0000 (UTC) Received: from mm01.cs.columbia.edu (mm01.cs.columbia.edu [128.59.11.253]) by mail.kernel.org (Postfix) with ESMTP id 049AE2082F for ; Wed, 1 Jul 2020 21:53:14 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 049AE2082F Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kvmarm-bounces@lists.cs.columbia.edu Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 4064E4B3C3; Wed, 1 Jul 2020 17:53:14 -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 Alq+UpTBvLHo; Wed, 1 Jul 2020 17:53:13 -0400 (EDT) Received: from mm01.cs.columbia.edu (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 399FA4B4A5; Wed, 1 Jul 2020 17:53:13 -0400 (EDT) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 495764B4A3 for ; Wed, 1 Jul 2020 17:53:12 -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 IebDuGzXBnyg for ; Wed, 1 Jul 2020 17:53:11 -0400 (EDT) Received: from mail-il1-f193.google.com (mail-il1-f193.google.com [209.85.166.193]) by mm01.cs.columbia.edu (Postfix) with ESMTPS id 35C914B415 for ; Wed, 1 Jul 2020 17:53:11 -0400 (EDT) Received: by mail-il1-f193.google.com with SMTP id w73so10593777ila.11 for ; Wed, 01 Jul 2020 14:53:11 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=bODbxRcePa9WehuXTPgP2DRtOtKBdWrM4acPOrmDbTc=; b=l6EUF5eplb8Pg6j1bGk/xwqTvArkAPLEMGD0MD7/J2uddgoPWcEjMM5PWtxSkTijlW oU4ZJAtxSgh93lHUaKdmFLjGmluxp0jCxGrXa+wt2WOYQpic/5BqAyVFXk3a9QXjDXcT jMuh+NuHsN+qacFSROE0zHIepWhu9if8itfdxKFKzsPGRmihhl3OgwINoVWkfKsm8toO sZnoDiiPC3aNbIF67BoFXKV1/vHY0fPF8LMHnXb5ZeiE+5wYjAO+iy02ARO3HgmB64HB 4Eo0JLTF9Ob2ob+XHexfXnp+sNyTy6JzDUK8zfn10k2lSwKw7Hv1XaVw7sKijbgLIFWK ejng== X-Gm-Message-State: AOAM530gQba6FCf634rZRauc/PLdRVTn1C1EcgWFqyy4BBYowMIMCZq3 hLcrReExoHFPH5A/dkaHPw== X-Google-Smtp-Source: ABdhPJzC7o2GLfSuIgZlNB89IGuxuIca0R5MyxAdNvq9S+BM3ShHOWOl/UfeahrO1xqLEuatejtjbw== X-Received: by 2002:a92:8b10:: with SMTP id i16mr9724498ild.109.1593640390690; Wed, 01 Jul 2020 14:53:10 -0700 (PDT) Received: from xps15.herring.priv ([64.188.179.253]) by smtp.googlemail.com with ESMTPSA id g1sm3784707ilk.51.2020.07.01.14.53.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 01 Jul 2020 14:53:10 -0700 (PDT) From: Rob Herring To: Catalin Marinas , Will Deacon , Marc Zyngier Subject: [PATCH v2 0/3] Cortex-A77 erratum 1508412 work-around Date: Wed, 1 Jul 2020 15:53:05 -0600 Message-Id: <20200701215308.3715856-1-robh@kernel.org> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Cc: kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.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 This series implements the work-around for Cortex-A77 erratum 1508412. KVM guests which don't implement the work-around can still deadlock the system. This is also the case with the existing Cortex-A57 erratum 832075, so we add a warning message if an erratum can cause deadlock. Rob v1: https://lore.kernel.org/linux-arm-kernel/20200629213321.2953022-1-robh@kernel.org/ Rob Herring (3): KVM: arm64: Print warning when cpu erratum can cause guests to deadlock arm64: Add part number for Arm Cortex-A77 arm64: Add workaround for Arm Cortex-A77 erratum 1508412 Documentation/arm64/silicon-errata.rst | 2 ++ arch/arm64/Kconfig | 19 +++++++++++++++++++ arch/arm64/include/asm/cpucaps.h | 3 ++- arch/arm64/include/asm/cputype.h | 2 ++ arch/arm64/kernel/cpu_errata.c | 10 ++++++++++ arch/arm64/kvm/arm.c | 5 +++++ arch/arm64/mm/fault.c | 10 ++++++++++ 7 files changed, 50 insertions(+), 1 deletion(-) -- 2.25.1 _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm