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=-1.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 B9D74CA9EBC for ; Mon, 28 Oct 2019 10:49:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8ABD120873 for ; Mon, 28 Oct 2019 10:49:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1572259786; bh=uXdZWYkCypWdTki5q/+Gkmcyld5XxXONPsTuwT1bf+s=; h=Date:From:To:Cc:Subject:In-Reply-To:References:List-ID:From; b=ig/1KkBawMCuN57Q6WwlW+7YChbedOcUzGmchCxc3OvdYIl49pr+ccjLUrrRMy1KK HFkfcTVJ7489Idz4+DqGhgcvrDjZ78Xott67/GHSvg5baBvZgOKOKyKyz6NjZdFFI8 6ekKMvJhMRRA0dEcGiVKkA9m1YfsLygSpvd+0h8g= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730945AbfJ1Ktp (ORCPT ); Mon, 28 Oct 2019 06:49:45 -0400 Received: from inca-roads.misterjones.org ([213.251.177.50]:45301 "EHLO inca-roads.misterjones.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728227AbfJ1Ktp (ORCPT ); Mon, 28 Oct 2019 06:49:45 -0400 Received: from [91.217.168.176] (helo=big-swifty.misterjones.org) by cheepnis.misterjones.org with esmtpsa (TLSv1.2:AES256-GCM-SHA384:256) (Exim 4.80) (envelope-from ) id 1iP2ag-00021u-H7; Mon, 28 Oct 2019 11:49:38 +0100 Date: Mon, 28 Oct 2019 10:49:37 +0000 Message-ID: <86zhhlxhz2.wl-maz@kernel.org> From: Marc Zyngier To: Catalin Marinas 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 In-Reply-To: <20191028103217.GB16739@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> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL/10.8 EasyPG/1.0.0 Emacs/26 (aarch64-unknown-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII X-SA-Exim-Connect-IP: 91.217.168.176 X-SA-Exim-Rcpt-To: catalin.marinas@arm.com, james.morse@arm.com, will@kernel.org, linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org, mark.rutland@arm.com, suzuki.poulose@arm.com, julien.thierry.kdev@gmail.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on cheepnis.misterjones.org); SAEximRunCond expanded to false Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On Mon, 28 Oct 2019 10:32:17 +0000, Catalin Marinas wrote: Hi Catalin, > 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 assume you target 5.5 with this workaround. Absolutely. I'm happy to look at backports once this is in. > 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. Thanks, M. -- Jazz is not dead, it just smells funny. 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=-1.0 required=3.0 tests=MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 041DCCA9EBE for ; Mon, 28 Oct 2019 10:49:48 +0000 (UTC) Received: from mm01.cs.columbia.edu (mm01.cs.columbia.edu [128.59.11.253]) by mail.kernel.org (Postfix) with ESMTP id 7DD9120873 for ; Mon, 28 Oct 2019 10:49:47 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7DD9120873 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 007A54A7FE; Mon, 28 Oct 2019 06:49:47 -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 2EC+SRYWZzFs; Mon, 28 Oct 2019 06:49:45 -0400 (EDT) Received: from mm01.cs.columbia.edu (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id D93144A5A3; Mon, 28 Oct 2019 06:49:45 -0400 (EDT) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id A1C7C4A59D for ; Mon, 28 Oct 2019 06:49:44 -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 OsmGYxOTMmx0 for ; Mon, 28 Oct 2019 06:49:43 -0400 (EDT) Received: from inca-roads.misterjones.org (inca-roads.misterjones.org [213.251.177.50]) by mm01.cs.columbia.edu (Postfix) with ESMTPS id 7E02C4A4FF for ; Mon, 28 Oct 2019 06:49:43 -0400 (EDT) Received: from [91.217.168.176] (helo=big-swifty.misterjones.org) by cheepnis.misterjones.org with esmtpsa (TLSv1.2:AES256-GCM-SHA384:256) (Exim 4.80) (envelope-from ) id 1iP2ag-00021u-H7; Mon, 28 Oct 2019 11:49:38 +0100 Date: Mon, 28 Oct 2019 10:49:37 +0000 Message-ID: <86zhhlxhz2.wl-maz@kernel.org> From: Marc Zyngier To: Catalin Marinas Subject: Re: [PATCH v2 4/5] arm64: KVM: Prevent speculative S1 PTW when restoring vcpu context In-Reply-To: <20191028103217.GB16739@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> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL/10.8 EasyPG/1.0.0 Emacs/26 (aarch64-unknown-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") X-SA-Exim-Connect-IP: 91.217.168.176 X-SA-Exim-Rcpt-To: catalin.marinas@arm.com, james.morse@arm.com, will@kernel.org, linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org, mark.rutland@arm.com, suzuki.poulose@arm.com, julien.thierry.kdev@gmail.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on cheepnis.misterjones.org); SAEximRunCond expanded to false 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, 28 Oct 2019 10:32:17 +0000, Catalin Marinas wrote: Hi Catalin, > 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 assume you target 5.5 with this workaround. Absolutely. I'm happy to look at backports once this is in. > 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. Thanks, M. -- Jazz is not dead, it just smells funny. _______________________________________________ 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=-1.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 16327CA9EBF for ; Mon, 28 Oct 2019 10:49:47 +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 D79C8214E0 for ; Mon, 28 Oct 2019 10:49:46 +0000 (UTC) Authentication-Results: mail.kernel.org; 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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 1iP2ao-00068a-Ah; Mon, 28 Oct 2019 10:49:46 +0000 Received: from inca-roads.misterjones.org ([213.251.177.50]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iP2al-00068D-0T for linux-arm-kernel@lists.infradead.org; Mon, 28 Oct 2019 10:49:44 +0000 Received: from [91.217.168.176] (helo=big-swifty.misterjones.org) by cheepnis.misterjones.org with esmtpsa (TLSv1.2:AES256-GCM-SHA384:256) (Exim 4.80) (envelope-from ) id 1iP2ag-00021u-H7; Mon, 28 Oct 2019 11:49:38 +0100 Date: Mon, 28 Oct 2019 10:49:37 +0000 Message-ID: <86zhhlxhz2.wl-maz@kernel.org> From: Marc Zyngier To: Catalin Marinas Subject: Re: [PATCH v2 4/5] arm64: KVM: Prevent speculative S1 PTW when restoring vcpu context In-Reply-To: <20191028103217.GB16739@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> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL/10.8 EasyPG/1.0.0 Emacs/26 (aarch64-unknown-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") X-SA-Exim-Connect-IP: 91.217.168.176 X-SA-Exim-Rcpt-To: catalin.marinas@arm.com, james.morse@arm.com, will@kernel.org, linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org, mark.rutland@arm.com, suzuki.poulose@arm.com, julien.thierry.kdev@gmail.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on cheepnis.misterjones.org); SAEximRunCond expanded to false X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191028_034943_200856_E958912C X-CRM114-Status: GOOD ( 13.60 ) 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, 28 Oct 2019 10:32:17 +0000, Catalin Marinas wrote: Hi Catalin, > 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 assume you target 5.5 with this workaround. Absolutely. I'm happy to look at backports once this is in. > 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. Thanks, M. -- Jazz is not dead, it just smells funny. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel