From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linutronix.de (146.0.238.70:993) by crypto-ml.lab.linutronix.de with IMAP4-SSL for ; 14 Jul 2018 19:09:11 -0000 Received: from mail.linuxfoundation.org ([140.211.169.12]) by Galois.linutronix.de with esmtps (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1fePun-0006UC-OS for speck@linutronix.de; Sat, 14 Jul 2018 21:09:10 +0200 Date: Sat, 14 Jul 2018 21:08:58 +0200 From: Greg KH Subject: [MODERATED] Re: L!TF Bulletin #4: The state of the horrors Message-ID: <20180714190858.GA10249@kroah.com> References: <20180713155608.GA11304@char.US.ORACLE.com> MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit To: speck@linutronix.de List-ID: On Sat, Jul 14, 2018 at 02:57:00PM +0200, speck for Thomas Gleixner wrote: > On Fri, 13 Jul 2018, speck for Konrad Rzeszutek Wilk wrote: > > On Fri, Jul 13, 2018 at 05:08:35PM +0200, speck for Thomas Gleixner wrote: > > > Hi! > > > > > > The repository has been updated with the following changes since bulletin #3: > > > > > > - Online sibling threads when SMT control is switched from off to on > > > > > > - Expose the VMX mitigation state properly in the l1tf vulnerability file > > > > > > - Fix EPT off handling > > > > > > - Make the kvm L1D flush parameter runtime controllable > > > > > > - Add the 'l1tf' kernel command line option > > > > > > - Add documentation about the whole mess > > > > > > The master branch is still based on 4.18-rc1 and merges almost cleanly into > > > 4.18-rc4+ with a very trivial conflict. It's not going to be rebased > > > because the commit SHA1s are used in the stable branches and are also > > > already used in distro backports. > > > > > > The stable branches linux-4.14.y, linux-4.16.y and linux-4.17.y have been > > > rebased to the latest stable versions. David Woodhouse said he's looking > > > into updating the linux-4.9.y stable branch in the next days. > > > > > > Git bundle against v4.18-rc1 is attached. > > > > > > Thanks everyone involved for patches, testing, review and entertaining > > > discussions! > > > > You may also want to backport > > > > git cherry-pick 84676c1f21e8 > > git cherry-pick adbe552349f2d > > > > As in the stable trees. The reason being that with 'nosmt' the megasas controller > > goes bonky and stops working. > > I'd prefer to route them directly to stable as the stuff is already broken > with maxcpus=N. Greg? Good idea, I'll queue these up directly, thanks. greg k-h