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=-2.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT autolearn=ham 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 8A854C43441 for ; Sun, 18 Nov 2018 23:58:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 55FC120869 for ; Sun, 18 Nov 2018 23:58:40 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 55FC120869 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728183AbeKSKUS (ORCPT ); Mon, 19 Nov 2018 05:20:18 -0500 Received: from mga05.intel.com ([192.55.52.43]:47221 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726950AbeKSKUS (ORCPT ); Mon, 19 Nov 2018 05:20:18 -0500 X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN X-Amp-File-Uploaded: False Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga105.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 18 Nov 2018 15:58:33 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.56,250,1539673200"; d="scan'208";a="87445254" Received: from tassilo.jf.intel.com (HELO tassilo.localdomain) ([10.7.201.126]) by fmsmga008.fm.intel.com with ESMTP; 18 Nov 2018 15:58:32 -0800 Received: by tassilo.localdomain (Postfix, from userid 1000) id C6115301015; Sun, 18 Nov 2018 15:58:32 -0800 (PST) Date: Sun, 18 Nov 2018 15:58:32 -0800 From: Andi Kleen To: Tim Chen Cc: Jiri Kosina , Linus Torvalds , Thomas Gleixner , Peter Zijlstra , Josh Poimboeuf , Andrea Arcangeli , David Woodhouse , Casey Schaufler , Linux List Kernel Mailing , the arch/x86 maintainers , stable@vger.kernel.org Subject: Re: STIBP by default.. Revert? Message-ID: <20181118235832.GA13936@tassilo.jf.intel.com> References: <32d00fb2-7187-ed6f-ab1e-287151e82b3a@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <32d00fb2-7187-ed6f-ab1e-287151e82b3a@linux.intel.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > So my patchset and Jiri's patchset should probably be merged together, so the > users have a choice of the behavior. ... or delay Jiri's patchkit until the scheduler can actually check properly for the cases when it is really needed. -Andi