From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from out3-smtp.messagingengine.com ([66.111.4.27]:48293 "EHLO out3-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752743AbeDQMPc (ORCPT ); Tue, 17 Apr 2018 08:15:32 -0400 Date: Tue, 17 Apr 2018 14:15:23 +0200 From: Greg KH To: Mark Rutland Cc: stable@vger.kernel.org, mark.brown@linaro.org, ard.biesheuvel@linaro.org, marc.zyngier@arm.com, will.deacon@arm.com, catalin.marinas@arm.com, ghackmann@google.com, shankerd@codeaurora.org Subject: Re: [PATCH v4.9.y 00/42] arm64 spectre patches Message-ID: <20180417121523.GA16437@kroah.com> References: <20180412111138.40990-1-mark.rutland@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180412111138.40990-1-mark.rutland@arm.com> Sender: stable-owner@vger.kernel.org List-ID: On Thu, Apr 12, 2018 at 12:10:56PM +0100, Mark Rutland wrote: > Hi Greg, > > These patches backport arm64 spectre mitigations to v4.9.y (based on 4.9.93). > > I've done this backport from scratch, following the patches in the arm64 kpti > branch [1] (which contrary to its name, also has spectre patches intended for > backporting). > > To the best of my understanding the code is correct, in the context of the > v4.9.y kernel, and I've tested the series on arm64 hardware available to me, > using firmware with SMCCC 1.1 and branch predictor mitigations. > > I've Cc'd the usual suspects for testing. For anyone willing to test this, I've > pushed this out to the stable/4.9.y/spectre branch of my kernel.org repo [2]. > > Note that I've left off the Qualcomm Falkor patches, as it was pointed out that > necessary errata workarounds for Falkor were never backported, and thus I > assume that no-one is using v4.9.y on Falkor parts. Shanker, do you have any > idea whether people are using v4.9.y on Falkor? I've taken all of these now except the futex patch which did not apply. thanks, greg k-h