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=-2.3 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT autolearn=unavailable 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 A2717C10F11 for ; Wed, 24 Apr 2019 13:52:23 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (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 D11DD218D2 for ; Wed, 24 Apr 2019 13:52:22 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="Szi7IsHZ" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D11DD218D2 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linuxfoundation.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 44q1w43l4pzDqVf for ; Wed, 24 Apr 2019 23:52:20 +1000 (AEST) Received: from ozlabs.org (bilbo.ozlabs.org [IPv6:2401:3900:2:1::2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 44q1qb34sVzDqTZ for ; Wed, 24 Apr 2019 23:48:27 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=linuxfoundation.org Authentication-Results: lists.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.b="Szi7IsHZ"; dkim-atps=neutral Received: from ozlabs.org (bilbo.ozlabs.org [IPv6:2401:3900:2:1::2]) by bilbo.ozlabs.org (Postfix) with ESMTP id 44q1qY4Jyvz8tPk for ; Wed, 24 Apr 2019 23:48:25 +1000 (AEST) Received: by ozlabs.org (Postfix) id 44q1qY1Ly6z9sB8; Wed, 24 Apr 2019 23:48:25 +1000 (AEST) Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=linuxfoundation.org (client-ip=198.145.29.99; helo=mail.kernel.org; envelope-from=gregkh@linuxfoundation.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=linuxfoundation.org Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.b="Szi7IsHZ"; dkim-atps=neutral Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 44q1qX47fmz9s9y for ; Wed, 24 Apr 2019 23:48:24 +1000 (AEST) Received: from localhost (62-193-50-229.as16211.net [62.193.50.229]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 052BC218D2; Wed, 24 Apr 2019 13:48:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1556113702; bh=K1VkIZg+mS+KoGtGl0g9YAG07pIdl7IBYY8oj+x7jCk=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Szi7IsHZ8YZdoH6ik5hXYaPlfncueiIk7rZ8UNlgdKgtURauXlE/+OuTpsWb+OisZ xxYoyY5P9U0Y3TC9KlVnU65aHm2EuP4BEp95roVEq+o3GB3JuTBMnP8kLKQFoJGNms +gF+SCyWilxOi5rBS++bdbI1mWfuLNk0Al48sNEY= Date: Wed, 24 Apr 2019 15:48:20 +0200 From: Greg KH To: Diana Madalina Craciun Subject: Re: [PATCH stable v4.4 00/52] powerpc spectre backports for 4.4 Message-ID: <20190424134820.GC20271@kroah.com> References: <20190421142037.21881-1-mpe@ellerman.id.au> <20190421163421.GA8449@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.11.4 (2019-03-13) X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "npiggin@gmail.com" , "linuxppc-dev@ozlabs.org" , "stable@vger.kernel.org" , "msuchanek@suse.de" Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Mon, Apr 22, 2019 at 03:27:56PM +0000, Diana Madalina Craciun wrote: > On 4/21/2019 7:34 PM, Greg KH wrote: > > On Mon, Apr 22, 2019 at 12:19:45AM +1000, Michael Ellerman wrote: > >> -----BEGIN PGP SIGNED MESSAGE----- > >> Hash: SHA1 > >> > >> Hi Greg/Sasha, > >> > >> Please queue up these powerpc patches for 4.4 if you have no objections. > > why? Do you, or someone else, really care about spectre issues in 4.4? > > Who is using ppc for 4.4 becides a specific enterprise distro (and they > > don't seem to be pulling in my stable updates anyway...)? > > We (NXP) received questions from customers regarding Spectre mitigations > on kernel 4.4. Not sure if they really need them as some systems are > enclosed embedded ones, but they asked for them. "Asking about", and "actually needing them" are two different things, as you state. It would be good to get confirmation from someone that these are "actually needed". thanks, greg k-h 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=-2.5 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, USER_AGENT_MUTT autolearn=ham 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 98696C10F11 for ; Wed, 24 Apr 2019 13:48:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 60A7B218DA for ; Wed, 24 Apr 2019 13:48:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1556113703; bh=K1VkIZg+mS+KoGtGl0g9YAG07pIdl7IBYY8oj+x7jCk=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=RxONKpe/1F4VZhSX+e1wL7eG1BGk9qhgTzBwf31Bq72QnBX44hKkJO5zuJPIfp5mj bn2YIK6ctoC9vMgWq2JYxdw7dN5U4uSUZr4STuUy+Yl6EMKQrdbdpr7mBUtVlNNOwp R91dvPli9BCnErsObFHVG2JUp+zo0nciRH1Ni64k= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726830AbfDXNsX (ORCPT ); Wed, 24 Apr 2019 09:48:23 -0400 Received: from mail.kernel.org ([198.145.29.99]:46516 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725978AbfDXNsW (ORCPT ); Wed, 24 Apr 2019 09:48:22 -0400 Received: from localhost (62-193-50-229.as16211.net [62.193.50.229]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 052BC218D2; Wed, 24 Apr 2019 13:48:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1556113702; bh=K1VkIZg+mS+KoGtGl0g9YAG07pIdl7IBYY8oj+x7jCk=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Szi7IsHZ8YZdoH6ik5hXYaPlfncueiIk7rZ8UNlgdKgtURauXlE/+OuTpsWb+OisZ xxYoyY5P9U0Y3TC9KlVnU65aHm2EuP4BEp95roVEq+o3GB3JuTBMnP8kLKQFoJGNms +gF+SCyWilxOi5rBS++bdbI1mWfuLNk0Al48sNEY= Date: Wed, 24 Apr 2019 15:48:20 +0200 From: Greg KH To: Diana Madalina Craciun Cc: Michael Ellerman , "stable@vger.kernel.org" , "linuxppc-dev@ozlabs.org" , "msuchanek@suse.de" , "npiggin@gmail.com" , "christophe.leroy@c-s.fr" Subject: Re: [PATCH stable v4.4 00/52] powerpc spectre backports for 4.4 Message-ID: <20190424134820.GC20271@kroah.com> References: <20190421142037.21881-1-mpe@ellerman.id.au> <20190421163421.GA8449@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.11.4 (2019-03-13) Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Mon, Apr 22, 2019 at 03:27:56PM +0000, Diana Madalina Craciun wrote: > On 4/21/2019 7:34 PM, Greg KH wrote: > > On Mon, Apr 22, 2019 at 12:19:45AM +1000, Michael Ellerman wrote: > >> -----BEGIN PGP SIGNED MESSAGE----- > >> Hash: SHA1 > >> > >> Hi Greg/Sasha, > >> > >> Please queue up these powerpc patches for 4.4 if you have no objections. > > why? Do you, or someone else, really care about spectre issues in 4.4? > > Who is using ppc for 4.4 becides a specific enterprise distro (and they > > don't seem to be pulling in my stable updates anyway...)? > > We (NXP) received questions from customers regarding Spectre mitigations > on kernel 4.4. Not sure if they really need them as some systems are > enclosed embedded ones, but they asked for them. "Asking about", and "actually needing them" are two different things, as you state. It would be good to get confirmation from someone that these are "actually needed". thanks, greg k-h