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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4FA5CC433EF for ; Thu, 31 Mar 2022 19:05:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239375AbiCaTHm (ORCPT ); Thu, 31 Mar 2022 15:07:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41620 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239361AbiCaTHj (ORCPT ); Thu, 31 Mar 2022 15:07:39 -0400 Received: from out5-smtp.messagingengine.com (out5-smtp.messagingengine.com [66.111.4.29]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C49D9221BA9; Thu, 31 Mar 2022 12:05:47 -0700 (PDT) Received: from compute4.internal (compute4.nyi.internal [10.202.2.44]) by mailout.nyi.internal (Postfix) with ESMTP id 5F26F5C0056; Thu, 31 Mar 2022 15:05:45 -0400 (EDT) Received: from mailfrontend1 ([10.202.2.162]) by compute4.internal (MEProxy); Thu, 31 Mar 2022 15:05:45 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kroah.com; h=cc :cc:content-type:date:date:from:from:in-reply-to:in-reply-to :message-id:mime-version:references:reply-to:sender:subject :subject:to:to; s=fm1; bh=I9YlzO5I0vEV6J/zDkVkNzj6DhVFaiBXvZQLOA 8ljxE=; b=SzeuCMiAO0FYiH1pEH+Mw45iOXsYNvqdEfo5va8kF/J4HSEyRGLLMk vBgpz0qk3cAMxH4oXqjGMn7bZJUnmqR48zPCvCZvc7/s0RZnBshPMFAs1Mz9AIkT SA824B9VZzWyPqrRQvCplC15xAB3jgCAnOYO4rgANK2TMrKQGbZoh2TYqqtkreqo 0cLdNDyz/RA2xqkBqZWymO3btR7aa2Ldzjz0VftmzkfaRF0qY+luv7TEADl/PGj1 ASj0MrFgJmzAOBF9CgUDrznRH49zhtfYeHGuwZJDiloR4llAmpFcaspic+fFuunL cM0HgpHeH5cfY3dIkNOFWToaczK3halg== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-type:date:date:from:from :in-reply-to:in-reply-to:message-id:mime-version:references :reply-to:sender:subject:subject:to:to:x-me-proxy:x-me-proxy :x-me-sender:x-me-sender:x-sasl-enc; s=fm3; bh=I9YlzO5I0vEV6J/zD kVkNzj6DhVFaiBXvZQLOA8ljxE=; b=LpwG/sSOnGfc6s7Whya/7kbn9IH5zMggK GJkzU+gkmb6OK8xbVccO7DB/e33Ajn7D1AxlpjQJcifGhpxPJqNQQdIfXLZDvO1U Ly4C6E6XdOJhpl+G9AblOa+eJM1OYVku2HxJ5HLE5zFZDWS0DOPCK8hCFjtJATt5 T1vOrNOXxJ4lErPKdMHryNrn+mMGrOt/1OWxPFmcRN1dOtVbA5gDIy4arzlTm1z+ F4Y3xRcnRXBgs0h1OPtt+yQWtsQhbgbgiq5bbpO0YfNxAw9aRhJNyQ+vKiRatpRR mZZbtXMTs65hJkC2BC1bIhW1Udxlr8VKAiW5O3PQptiK4xL0rqWyg== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvvddrudeigedgudefvdcutefuodetggdotefrod ftvfcurfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfgh necuuegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmd enucfjughrpeffhffvuffkfhggtggujgesthdtredttddtvdenucfhrhhomhepifhrvghg ucfmjfcuoehgrhgvgheskhhrohgrhhdrtghomheqnecuggftrfgrthhtvghrnhepueelle dtheekleethfeludduvdfhffeuvdffudevgeehkeegieffveehgeeftefgnecuffhomhgr ihhnpehkvghrnhgvlhdrohhrghenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmh epmhgrihhlfhhrohhmpehgrhgvgheskhhrohgrhhdrtghomh X-ME-Proxy: Received: by mail.messagingengine.com (Postfix) with ESMTPA; Thu, 31 Mar 2022 15:05:44 -0400 (EDT) Date: Thu, 31 Mar 2022 21:03:52 +0200 From: Greg KH To: James Morse Cc: stable@vger.kernel.org, linux-kernel@vger.kernel.org, catalin.marinas@arm.com Subject: Re: [stable:PATCH v4.14.274 00/27] arm64: Mitigate spectre style branch history side channels Message-ID: References: <20220331183400.73183-1-james.morse@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220331183400.73183-1-james.morse@arm.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Mar 31, 2022 at 07:33:33PM +0100, James Morse wrote: > Hello! > > This is the spectre-bhb backport for v4.14. > This comes with an A76 timer workaround. v4.14 doesn't have a compat > vdso, so doesn't need all the patches for that workaround. > In particular, it doesn't need Marc's series: > https://lore.kernel.org/linux-arm-kernel/20200715125614.3240269-1-maz@kernel.org/ > > I included the Kconfig change that restricts this to COMPAT, but not commit > 0f80cad3124f ("arm64: Restrict ARM64_ERRATUM_1188873 mitigation to AArch32"), > which is an invasive performance optimisation that wasn't marked as > being for stable. Thanks for these, all now queued up! greg k-h