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=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 EF209CA9EC0 for ; Mon, 28 Oct 2019 11:06:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BEB06208C0 for ; Mon, 28 Oct 2019 11:06:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388446AbfJ1LGh (ORCPT ); Mon, 28 Oct 2019 07:06:37 -0400 Received: from foss.arm.com ([217.140.110.172]:38648 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728227AbfJ1LGg (ORCPT ); Mon, 28 Oct 2019 07:06:36 -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 30E501F1; Mon, 28 Oct 2019 04:06:36 -0700 (PDT) Received: from arrakis.emea.arm.com (arrakis.cambridge.arm.com [10.1.197.42]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id EB70C3F71E; Mon, 28 Oct 2019 04:06:34 -0700 (PDT) Date: Mon, 28 Oct 2019 11:06:32 +0000 From: Catalin Marinas To: Marc Zyngier Cc: James Morse , Will Deacon , linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org, Mark Rutland , Suzuki K Poulose , Julien Thierry Subject: Re: [PATCH v2 4/5] arm64: KVM: Prevent speculative S1 PTW when restoring vcpu context Message-ID: <20191028110632.GC16739@arrakis.emea.arm.com> References: <20191019095521.31722-1-maz@kernel.org> <20191019095521.31722-5-maz@kernel.org> <151fc868-6709-3017-e34d-649ec0e1812c@arm.com> <8636ffzu30.wl-maz@kernel.org> <20191028103217.GB16739@arrakis.emea.arm.com> <86zhhlxhz2.wl-maz@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <86zhhlxhz2.wl-maz@kernel.org> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On Mon, Oct 28, 2019 at 10:49:37AM +0000, Marc Zyngier wrote: > On Mon, 28 Oct 2019 10:32:17 +0000, > Catalin Marinas wrote: > > On Sat, Oct 26, 2019 at 11:20:35AM +0100, Marc Zyngier wrote: > > > Catalin, Will: given that this series conflicts with the workaround for > > > erratum 1542419, do you mind taking it via the arm64 tree? [...] > > I don't mind merging it but if you want to queue it, we already have > > a stable for-next/neoverse-n1-stale-instr branch with 1542419 (I'll > > push a fixup on top soon for a clang warning). The other issue is > > that we get a conflict with mainline due to the tx2 erratum. If it > > gets too complicated, I'll also merge for-next/fixes into > > for-next/core. > > OK, let me have another look at providing a resolution that includes > all of the above. Worse case, you'll be able to pull the branch > directly. Don't worry about the resolution, I'll fix it up myself when merging into for-next/core. The latter is not a stable branch, just an octopus merge of various for-next/* topic branches. -- Catalin 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=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 462C9CA9EC0 for ; Mon, 28 Oct 2019 11:06:41 +0000 (UTC) Received: from mm01.cs.columbia.edu (mm01.cs.columbia.edu [128.59.11.253]) by mail.kernel.org (Postfix) with ESMTP id C5FCE208C0 for ; Mon, 28 Oct 2019 11:06:40 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C5FCE208C0 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com 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 446594A522; Mon, 28 Oct 2019 07:06:40 -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 5J22UMSfWb4o; Mon, 28 Oct 2019 07:06:39 -0400 (EDT) Received: from mm01.cs.columbia.edu (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 3710E4A52B; Mon, 28 Oct 2019 07:06:39 -0400 (EDT) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 96D0F4A522 for ; Mon, 28 Oct 2019 07:06:37 -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 ySvXg40T1H8X for ; Mon, 28 Oct 2019 07:06:36 -0400 (EDT) Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 8A2674A483 for ; Mon, 28 Oct 2019 07:06:36 -0400 (EDT) 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 30E501F1; Mon, 28 Oct 2019 04:06:36 -0700 (PDT) Received: from arrakis.emea.arm.com (arrakis.cambridge.arm.com [10.1.197.42]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id EB70C3F71E; Mon, 28 Oct 2019 04:06:34 -0700 (PDT) Date: Mon, 28 Oct 2019 11:06:32 +0000 From: Catalin Marinas To: Marc Zyngier Subject: Re: [PATCH v2 4/5] arm64: KVM: Prevent speculative S1 PTW when restoring vcpu context Message-ID: <20191028110632.GC16739@arrakis.emea.arm.com> References: <20191019095521.31722-1-maz@kernel.org> <20191019095521.31722-5-maz@kernel.org> <151fc868-6709-3017-e34d-649ec0e1812c@arm.com> <8636ffzu30.wl-maz@kernel.org> <20191028103217.GB16739@arrakis.emea.arm.com> <86zhhlxhz2.wl-maz@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <86zhhlxhz2.wl-maz@kernel.org> User-Agent: Mutt/1.10.1 (2018-07-13) Cc: kvm@vger.kernel.org, Will Deacon , 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 On Mon, Oct 28, 2019 at 10:49:37AM +0000, Marc Zyngier wrote: > On Mon, 28 Oct 2019 10:32:17 +0000, > Catalin Marinas wrote: > > On Sat, Oct 26, 2019 at 11:20:35AM +0100, Marc Zyngier wrote: > > > Catalin, Will: given that this series conflicts with the workaround for > > > erratum 1542419, do you mind taking it via the arm64 tree? [...] > > I don't mind merging it but if you want to queue it, we already have > > a stable for-next/neoverse-n1-stale-instr branch with 1542419 (I'll > > push a fixup on top soon for a clang warning). The other issue is > > that we get a conflict with mainline due to the tx2 erratum. If it > > gets too complicated, I'll also merge for-next/fixes into > > for-next/core. > > OK, let me have another look at providing a resolution that includes > all of the above. Worse case, you'll be able to pull the branch > directly. Don't worry about the resolution, I'll fix it up myself when merging into for-next/core. The latter is not a stable branch, just an octopus merge of various for-next/* topic branches. -- Catalin _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm 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=-2.2 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 A9A8ECA9EC0 for ; Mon, 28 Oct 2019 11:06:46 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 7C67B208C0 for ; Mon, 28 Oct 2019 11:06:46 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="kEtJXvHz" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7C67B208C0 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=Y2YvCV0BabSBvx0uzNarUCXdS4xQ51vpCPUmcJcdf1U=; b=kEtJXvHzc2vl+6 zs3R7nIlKuAe2YOkklXyKcgl7lZ4nhpww+B5iKGNWCJJNZPpvpkrmmUKoTlqUv96YzxrpK7/uPxy9 2eYBzbqFvviK95oRPmJ1LKAegDTrpiKfwPT1WSVuDPa38kOAvhqPWM4YLZ4BVffqJiqC2oUAqDRQ1 c1rsop+ii6FSY9Ex0NVPggxwQDcmJ8hI/M3zK4kj8pLu24v+d0DoJmbyS+xPcBsELMQDsR/P86mYP MHVsti4wk6jUZXnooKX2kViZk70BlIA9dEw0RaJzBw0s88w1pBn7gTN8HeN+U8FvNdIDXSLxl3nf7 yZD3eQmgf1Id106C0qaw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iP2rA-0005NY-LA; Mon, 28 Oct 2019 11:06:40 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iP2r7-0005My-6F for linux-arm-kernel@lists.infradead.org; Mon, 28 Oct 2019 11:06:38 +0000 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 30E501F1; Mon, 28 Oct 2019 04:06:36 -0700 (PDT) Received: from arrakis.emea.arm.com (arrakis.cambridge.arm.com [10.1.197.42]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id EB70C3F71E; Mon, 28 Oct 2019 04:06:34 -0700 (PDT) Date: Mon, 28 Oct 2019 11:06:32 +0000 From: Catalin Marinas To: Marc Zyngier Subject: Re: [PATCH v2 4/5] arm64: KVM: Prevent speculative S1 PTW when restoring vcpu context Message-ID: <20191028110632.GC16739@arrakis.emea.arm.com> References: <20191019095521.31722-1-maz@kernel.org> <20191019095521.31722-5-maz@kernel.org> <151fc868-6709-3017-e34d-649ec0e1812c@arm.com> <8636ffzu30.wl-maz@kernel.org> <20191028103217.GB16739@arrakis.emea.arm.com> <86zhhlxhz2.wl-maz@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <86zhhlxhz2.wl-maz@kernel.org> User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191028_040637_275913_E0AA331E X-CRM114-Status: GOOD ( 15.24 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , kvm@vger.kernel.org, Suzuki K Poulose , James Morse , Julien Thierry , Will Deacon , kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, Oct 28, 2019 at 10:49:37AM +0000, Marc Zyngier wrote: > On Mon, 28 Oct 2019 10:32:17 +0000, > Catalin Marinas wrote: > > On Sat, Oct 26, 2019 at 11:20:35AM +0100, Marc Zyngier wrote: > > > Catalin, Will: given that this series conflicts with the workaround for > > > erratum 1542419, do you mind taking it via the arm64 tree? [...] > > I don't mind merging it but if you want to queue it, we already have > > a stable for-next/neoverse-n1-stale-instr branch with 1542419 (I'll > > push a fixup on top soon for a clang warning). The other issue is > > that we get a conflict with mainline due to the tx2 erratum. If it > > gets too complicated, I'll also merge for-next/fixes into > > for-next/core. > > OK, let me have another look at providing a resolution that includes > all of the above. Worse case, you'll be able to pull the branch > directly. Don't worry about the resolution, I'll fix it up myself when merging into for-next/core. The latter is not a stable branch, just an octopus merge of various for-next/* topic branches. -- Catalin _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel