From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-2576399-1519123225-2-8826833310563759581 X-Sieve: CMU Sieve 3.0 X-Spam-known-sender: no X-Spam-score: 0.0 X-Spam-hits: BAYES_00 -1.9, HEADER_FROM_DIFFERENT_DOMAINS 0.001, ME_NOAUTH 0.01, RCVD_IN_DNSWL_HI -5, T_RP_MATCHES_RCVD -0.01, LANGUAGES en, BAYES_USED global, SA_VERSION 3.4.0 X-Spam-source: IP='209.132.180.67', Host='vger.kernel.org', Country='US', FromHeader='org', MailFrom='org' X-Spam-charsets: plain='us-ascii' X-Resolved-to: greg@kroah.com X-Delivered-to: greg@kroah.com X-Mail-from: stable-owner@vger.kernel.org ARC-Seal: i=1; a=rsa-sha256; cv=none; d=messagingengine.com; s=arctest; t=1519123224; b=OP2ueMuxIhD8fSgAFHjQKD9G31V8iQQnlWtifj8Qmn/Q4HM DciT0pKpdYbtAwKJvwSk8ofO9Url/4QfIwwY2o6vNMpMx5FI+0oExPXyLefBnt1b AVJAT7HunRpcV1gP+GTu0j+4Fu9CqB1feUlFaLwKL9UM3v+m5rXzs8rmq99yQon8 8TVfmkABVW/wKVWkP/+yp3ddrMXQxJ0Y17LsYP7reaaGMVk4Lp7zcTvnPIf9SsWR 0387Zim3KPAgtsKJHK0FKRJwKjs7JgdENMEOSeGhHSSDD6BIJQ+Jail/5Xd59Fru 2WwFwPJQvtKP53actB4u1VnDoyRg7zEkBVRPHqg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=date:from:to:cc:subject:message-id :references:mime-version:content-type:in-reply-to:sender :list-id; s=arctest; t=1519123224; bh=U2I6upcrf92qhwV+5e37Jp8V7e wW+ku8DCUsDCEh8AE=; b=oAgtDpfv7Fy+bcbDTo9p3uOpYs5qj6G9BRoUQEiC3/ a2b+n5HWqMZfHGaXzq94/2XAhizCtYRgeKX+v32gQy6PUqBUlY6synvPbJaVIRFR EjM5Ov0fnHpsLHJoNwEFZtseHvQUXuQ7mshMhtV2FsUeSsJQsUjnV7Hu0pi7QNBz mi+1aWTuNWZfYKqibDNxStc9UzN1ilVb7HwDDTfv+eHutp3CGgAuxphZ2mg5J+5Q td35+wb9HhBSDNAJRgBwYt7LzjZ5YsTyFXAd7oL/eJ6RVlxQqbuTMX2Zi4y7/9Dy ua2V+PjDZKB+ttzZcRQq7rVNackM/1T5Erbn6qyihUKg== ARC-Authentication-Results: i=1; mx6.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=linuxfoundation.org; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=linuxfoundation.org header.result=pass header_is_org_domain=yes Authentication-Results: mx6.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=linuxfoundation.org; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=linuxfoundation.org header.result=pass header_is_org_domain=yes Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751401AbeBTKkX (ORCPT ); Tue, 20 Feb 2018 05:40:23 -0500 Received: from mail.linuxfoundation.org ([140.211.169.12]:34988 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751336AbeBTKkW (ORCPT ); Tue, 20 Feb 2018 05:40:22 -0500 Date: Tue, 20 Feb 2018 11:40:25 +0100 From: Greg Kroah-Hartman To: Guenter Roeck Cc: Yves-Alexis Perez , linux-kernel@vger.kernel.org, torvalds@linux-foundation.org, akpm@linux-foundation.org, shuahkh@osg.samsung.com, patches@kernelci.org, ben.hutchings@codethink.co.uk, lkft-triage@lists.linaro.org, stable@vger.kernel.org Subject: Re: [PATCH 4.9 00/92] 4.9.81-stable review Message-ID: <20180220104025.GA9589@kroah.com> References: <20180209133931.211869118@linuxfoundation.org> <556ea00b-e265-7f14-395c-c5e6629bf194@roeck-us.net> <20180213093651.GA29675@kroah.com> <7c1ed8b1-bd9c-4b9f-051b-f9f19591cdbb@roeck-us.net> <20180213152907.GA29190@kroah.com> <1518874313.9465.1.camel@debian.org> <20180217134556.GC28145@kroah.com> <3075ec06-df9e-3532-82fa-cb2ca227c86b@roeck-us.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3075ec06-df9e-3532-82fa-cb2ca227c86b@roeck-us.net> User-Agent: Mutt/1.9.3 (2018-01-21) Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: On Sat, Feb 17, 2018 at 09:35:59AM -0800, Guenter Roeck wrote: > On 02/17/2018 05:45 AM, Greg Kroah-Hartman wrote: > > On Sat, Feb 17, 2018 at 02:31:53PM +0100, Yves-Alexis Perez wrote: > > > On Tue, 2018-02-13 at 16:29 +0100, Greg Kroah-Hartman wrote: > > > > > arch/powerpc/kernel/entry_64.S: Assembler messages: > > > > > arch/powerpc/kernel/entry_64.S:260: Error: unrecognized opcode: `rfi_to_user' > > > > > arch/powerpc/kernel/entry_64.S:270: Error: unrecognized opcode: `rfi_to_kernel' > > > > > arch/powerpc/kernel/entry_64.S:885: Error: unrecognized opcode: `rfi_to_user' > > > > > arch/powerpc/kernel/entry_64.S:900: Error: unrecognized opcode: `rfi_to_kernel' > > > > > > > > > > Looks like 222f20f140623 ("powerpc/64s: Simple RFI macro conversions") is missing, > > > > > or at least part of it. Unfortunately it doesn't apply cleanly. > > > > > > > > Ugh. Let's see if the ppc developers care about this or not :) > > > > > > Hi, > > > > > > in Debian we extracted the following hunk from 222f20f140623 to fix build on > > > powerpc/ppc64el. Only compile tested against Debian builds though. > > > > > > diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S > > > index 3320bcac7192..e68faa4d1b13 100644 > > > --- a/arch/powerpc/kernel/entry_64.S > > > +++ b/arch/powerpc/kernel/entry_64.S > > > @@ -37,6 +37,11 @@ > > > #include > > > #include > > > #include > > > +#ifdef CONFIG_PPC_BOOK3S > > > +#include > > > +#else > > > +#include > > > +#endif > > > > Ah, thanks! I've now queued up this portion of the patch. > > > > Hmm, that chunk really doesn't do what the original patch is supposed to do, > meaning it won't provide the vulnerability protection it is supposed to provide > (AFAICS that is Meltdown). Just a note in case anyone is concerned about > actually providing that protection. Good point, I've renamed this patch now to make it more obvious what is going on. thanks, greg k-h