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=-6.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no 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 C0236C433E1 for ; Thu, 25 Mar 2021 20:37:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 81EB161A43 for ; Thu, 25 Mar 2021 20:37:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230321AbhCYUhW (ORCPT ); Thu, 25 Mar 2021 16:37:22 -0400 Received: from mail.kernel.org ([198.145.29.99]:46500 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229930AbhCYUg4 (ORCPT ); Thu, 25 Mar 2021 16:36:56 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 2CA8B61A14; Thu, 25 Mar 2021 20:36:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1616704616; bh=VSbFA7ucpE6JJRiKfn6zhywfXOSQMvdyf+Ys4VxCeHM=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=I5o3QjeDIfNOu3ZASK82Au3m3EFFXX+3l8Zp1KviboLMKRvN+RPL1QUl76VxFELp1 /eh6XGCVeNz3CS8N7k+nCqcyVYKSuu+HaCUqy6PowqOCKF0ybv5JxzOKRBx4kRtfud TTyRt32P1x/1PyT835qza80lgrv/6bJgYwEKu03Tmp9Vz3h8rPY21lFb4PaQPMeRnP rMMAQ51e0QIUpeWanp/tbBoUvcGZe2b2XBFriDqPqBOTbb38MeDwSGhmHZZjvNOq/Q 7kntmGH0HbgItmg0Li3m2GHg/PmsLyVavYFjHprcJwrOUenGDmLO1ucLVBKy7SrEz2 n9fHSo63xOLZg== Date: Thu, 25 Mar 2021 16:36:55 -0400 From: Sasha Levin To: Borislav Petkov Cc: stable , Hugh Dickins , Babu Moger , Paolo Bonzini , Jim Mattson , Vitaly Kuznetsov , Wanpeng Li , kvm list , Joerg Roedel , the arch/x86 maintainers , LKML , Ingo Molnar , "H . Peter Anvin" , Thomas Gleixner , Makarand Sonare , Sean Christopherson , carnil@debian.org, ben@decadent.org.uk Subject: Re: [PATCH] x86/tlb: Flush global mappings when KAISER is disabled Message-ID: References: <4a72f780-3797-229e-a938-6dc5b14bec8d@amd.com> <20210311235215.GI5829@zn.tnic> <20210324212139.GN5010@zn.tnic> <20210325095619.GC31322@zn.tnic> <20210325102959.GD31322@zn.tnic> <20210325200942.GJ31322@zn.tnic> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: <20210325200942.GJ31322@zn.tnic> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Mar 25, 2021 at 09:09:42PM +0100, Borislav Petkov wrote: >Hi stable folks, > >the patch below fixes kernels 4.4 and 4.9 booting on AMD platforms with >PCID support. It doesn't have an upstream counterpart because it patches >the KAISER code which didn't go upstream. It applies fine to both of the >aforementioned kernels - please pick it up. Queued up for 4.9 and 4.4, thanks! >Jim Mattson reported that Debian 9 guests using a 4.9-stable kernel >are exploding during alternatives patching: (Cc Ben & Salvatore) I'm not sure if 4.9 or Debian is still alive or not, but FYI... -- Thanks, Sasha