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=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED,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 42C71C1B0E3 for ; Wed, 11 Jul 2018 21:07:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DDCC92146E for ; Wed, 11 Jul 2018 21:07:10 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DDCC92146E Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ucw.cz 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 S2388905AbeGKVNU (ORCPT ); Wed, 11 Jul 2018 17:13:20 -0400 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:40757 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732522AbeGKVNU (ORCPT ); Wed, 11 Jul 2018 17:13:20 -0400 Received: by atrey.karlin.mff.cuni.cz (Postfix, from userid 512) id A0DA48048D; Wed, 11 Jul 2018 23:07:07 +0200 (CEST) Date: Wed, 11 Jul 2018 23:07:02 +0200 From: Pavel Machek To: Linus Torvalds Cc: Joerg Roedel , Thomas Gleixner , Ingo Molnar , Peter Anvin , the arch/x86 maintainers , Linux Kernel Mailing List , linux-mm , Andrew Lutomirski , Dave Hansen , Josh Poimboeuf , =?iso-8859-1?Q?J=FCrgen_Gro=DF?= , Peter Zijlstra , Borislav Petkov , Jiri Kosina , Boris Ostrovsky , Brian Gerst , David Laight , Denys Vlasenko , Eduardo Valentin , Greg Kroah-Hartman , Will Deacon , "Liguori, Anthony" , Daniel Gruss , Hugh Dickins , Kees Cook , Andrea Arcangeli , Waiman Long , "David H . Gutteridge" , Joerg Roedel Subject: Re: [PATCH 00/39 v7] PTI support for x86-32 Message-ID: <20180711210702.GA23921@amd> References: <1531308586-29340-1-git-send-email-joro@8bytes.org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="HcAYCG3uE/tztfnV" Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --HcAYCG3uE/tztfnV Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed 2018-07-11 09:28:39, Linus Torvalds wrote: > On Wed, Jul 11, 2018 at 4:30 AM Joerg Roedel wrote: > > > > I did the load-testing again with 'perf top', the ldt_gdt > > self-test and a kernel-compile running in a loop again. >=20 > So none of the patches looked scary to me, but then, neither did > earlier versions. >=20 > It's the testing that worries me most. Pretty much no developers run > 32-bit any more, and I'd be most worried about the odd interactions > that might be hw-specific. Some crazy EFI mapping setup or the similar > odd case that simply requires a particular configuration or setup. I tested previous version of the series, and I keep testing -next on thinkpad X60 every week or so. I try to test every major release on T40p. > But I guess those issues will never be found until we just spring this > all on the unsuspecting public. Sounds like a plan. Testing gets easier once patch reaches -next or mainline... Pavel --=20 (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blo= g.html --HcAYCG3uE/tztfnV Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iEYEARECAAYFAltGcXYACgkQMOfwapXb+vLyIgCgrLHSw4fI1oPd+6TIcFvflT7F 3ucAnAr3LZNxy7dELmcZ0Y5nmY8G1yI2 =IiwM -----END PGP SIGNATURE----- --HcAYCG3uE/tztfnV--