From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-3808880-1520443926-2-18347979323452449411 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 0.25, 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='CN', 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=1520443925; b=QK8G/lZivqudezkYiDb9/WJmx4qHf/BRjdIZe05I5tyZTzH ugWz/q6dgmqC+rwM4jJ8Zg+QnavFKiSMdea+jMwk05QJh1RiLd3eajlSMb1O73x+ dQjyhBPQHmQbgPXb5OIMvFnnvpn6A4WoT02xk/RB+1djdfyGIu4l7CZ0up/mQ82U UMnFGu8hT3PPeAE/fCtuZsRjEYBb/kJHeR7CRJajN8N7vQYHDk3VBekWlNOoqaCa 4FoQv+t7OoyW0T6+Gblagk1eBU4up6tZou/KShmbjrdb+7Ci1WzEloxtHu27dqlA qGWzAA4QrG0VryOl6HKhz2HymOMiaBrMO9szoQQ== 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=1520443925; bh=Yebcrs7jpKEtDwR/nopgPiiB0v g2b7g8bl876nxFk0M=; b=iP3Yob0c8e8LfEy/ScjN7J4plXe7Pphd///aLeXoed WMwe094OlSvRgVnGHrtpC8gt0zQJajGHvVXLc/CvqcALnrgY7vtNQf5yGLDavPI1 UnycNtXrxDleA/80HeMvmDmH5MB84n4QHUXSjy+ayPnnp8kRkL36VLRVAaKD7Nn+ Wum1snc9k4LHvyYmZUDRfSXsM87nj6rVs0EsxILt+4fEKRXYofgFNN5nt90yNHZE VMVcNOKSPbMoBiwxPU5Z2YIDW4aBDwDgRj4bVXYrDMqIiB6W95STeiTHv/uPvnSo xkConK6O1+JINPGDt2dPm1r8k1FQou58SqCXIX0IIFPg== ARC-Authentication-Results: i=1; mx1.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-category=clean score=-100 state=0; 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: mx1.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-category=clean score=-100 state=0; 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 S933173AbeCGRcD (ORCPT ); Wed, 7 Mar 2018 12:32:03 -0500 Received: from mail.linuxfoundation.org ([140.211.169.12]:42652 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933412AbeCGRcC (ORCPT ); Wed, 7 Mar 2018 12:32:02 -0500 Date: Wed, 7 Mar 2018 09:32:02 -0800 From: Greg Kroah-Hartman To: Tim Chen Cc: stable@vger.kernel.org, Andy Lutomirski , Nadav Amit , Thomas Gleixner , Andrew Morton , Arjan van de Ven , Borislav Petkov , Dave Hansen , Linus Torvalds , Mel Gorman , Peter Zijlstra , Rik van Riel , Ingo Molnar , David Woodhouse , ak@linux.intel.com, karahmed@amazon.de, pbonzini@redhat.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 0/2] Backport IBPB on context switch to non-dumpable process Message-ID: <20180307173202.GK7097@kroah.com> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.9.4 (2018-02-28) 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 Fri, Mar 02, 2018 at 01:32:08PM -0800, Tim Chen wrote: > Greg, > > I will like to propose backporting "x86/speculation: Use Indirect Branch > Prediction Barrier on context switch" from commit 18bf3c3e in upstream > to 4.9 and 4.4 stable. The patch has already been ported to 4.14 and > 4.15 stable. The patch needs mm context id that Andy added in commit > f39681ed. I have lifted the mm context id change from Andy's upstream > patch and included it here. Applied to 4.9.y, but I need a separate set of patches for 4.4.y in order for them to work there. Can you provide that? thanks, greg k-h