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=-2.4 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,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 A0785C47404 for ; Wed, 9 Oct 2019 08:04:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 79DAD206B6 for ; Wed, 9 Oct 2019 08:04:53 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=kroah.com header.i=@kroah.com header.b="reEgUqkj"; dkim=pass (2048-bit key) header.d=messagingengine.com header.i=@messagingengine.com header.b="Tn6f6UDU" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725914AbfJIIEx (ORCPT ); Wed, 9 Oct 2019 04:04:53 -0400 Received: from out2-smtp.messagingengine.com ([66.111.4.26]:36147 "EHLO out2-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725879AbfJIIEx (ORCPT ); Wed, 9 Oct 2019 04:04:53 -0400 Received: from compute6.internal (compute6.nyi.internal [10.202.2.46]) by mailout.nyi.internal (Postfix) with ESMTP id AAB4F220CF; Wed, 9 Oct 2019 04:04:51 -0400 (EDT) Received: from mailfrontend2 ([10.202.2.163]) by compute6.internal (MEProxy); Wed, 09 Oct 2019 04:04:51 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kroah.com; h= date:from:to:cc:subject:message-id:references:mime-version :content-type:in-reply-to; s=fm2; bh=hQ193SL2uijxMsSZZN+E7UbjF6F qcanbIfpsn0ebGWk=; b=reEgUqkjVszHJSqYZVXaDviBOS/Ex3LRnfmaWJAASa8 ypReR8lktEClOuhJR1ocG1V4ZZ6Al2tFdetTQzTDFVMIaXmMjsvD4Cx2ye4OaGGf DONdOOMYDenqA27KzTOxsopJ+BouSBOHg5JugvmwNfsMNiS2/0PSAJoVz0g40K+P hY7xl7Fd5GF/SNbBSyeDxNElCooUaYN4mviMNUvFnfyPCsNEYJrsOE9I1rApidFK 8F0DlgwwZnJb1xSRrm48AH0LlbYxL63Sg1iQOltoTdhBeb2W1svO2yjxYbeqL1Ap CbuTMqGNLys5IEILpEysd0QTwqFA5N6LrXsV4CEwIfQ== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to:x-me-proxy :x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s=fm1; bh=hQ193S L2uijxMsSZZN+E7UbjF6FqcanbIfpsn0ebGWk=; b=Tn6f6UDUEcdux6cDwIfvvo ecmpqJ0Ry3UQ5Ez5FCpqvGqNj5lgl4wQ4++ghvad5F/0hM9+DtOiK9S2ylzGw9Fq 0nDHboysLF7RgLaKBXiHwyJkAIg+78xgCLA4povEW+z8n4fNVriXwJouMsx4hF2P ywd038mK7s6Kv75UldGI73v7JAePv4IHmlKTy6dp9LqNTjSUtMYf4sQXfzjUKjmR QqoCEeQsG7xAe/OzmAM5ZlLcQg3NdOxWvgiAJCIs7ozZFvsrSr64DiuyZKdfqDr6 hk6xRWXf81KJparCSLaZr7uZOTbmDIhREYQ29Ret2Xn1UokKsFTbopNbATVfnilQ == X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedufedriedtgdduvdekucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhepfffhvffukfhfgggtuggjfgesthdtredttdervdenucfhrhhomhepifhrvghg ucfmjfcuoehgrhgvgheskhhrohgrhhdrtghomheqnecukfhppeekfedrkeeirdekledrud dtjeenucfrrghrrghmpehmrghilhhfrhhomhepghhrvghgsehkrhhorghhrdgtohhmnecu vehluhhsthgvrhfuihiivgeptd X-ME-Proxy: Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) by mail.messagingengine.com (Postfix) with ESMTPA id 2B0F7D60057; Wed, 9 Oct 2019 04:04:51 -0400 (EDT) Date: Wed, 9 Oct 2019 10:04:22 +0200 From: Greg KH To: Ard Biesheuvel Cc: linux-arm-kernel@lists.infradead.org, stable@vger.kernel.org, Will Deacon , Catalin Marinas , Marc Zyngier , Mark Rutland , Suzuki K Poulose , Jeremy Linton , Andre Przywara Subject: Re: [PATCH for-stable-v4.19 00/16] arm64 spec mitigation backports Message-ID: <20191009080422.GA3881278@kroah.com> References: <20191008153930.15386-1-ard.biesheuvel@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20191008153930.15386-1-ard.biesheuvel@linaro.org> User-Agent: Mutt/1.12.2 (2019-09-21) Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Tue, Oct 08, 2019 at 05:39:14PM +0200, Ard Biesheuvel wrote: > This is a backport to v4.19 of the arm64 patches that exists in mainline > to support CPUs that implement the SSBS capability, which gives the OS > and user space control over whether Speculative Store Bypass is > permitted in certain contexts. This gives a substantial performance > boost on hardware that implements it. > > At the same time, this series backports arm64 support for reporting > of vulnerabilities via syfs. This is covered by the same series since > it produces a much cleaner backport, where none of the patches required > any changes beyond some manual mangling of the context to make them apply. > > Build tested using a fair number of randconfig builds. Boot tested > under KVM and on ThunderX2. All now queued up, thanks. greg k-h