From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750860AbdDBCs2 (ORCPT ); Sat, 1 Apr 2017 22:48:28 -0400 Received: from shadbolt.e.decadent.org.uk ([88.96.1.126]:39874 "EHLO shadbolt.e.decadent.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750770AbdDBCs1 (ORCPT ); Sat, 1 Apr 2017 22:48:27 -0400 Message-ID: <1491101290.12745.6.camel@decadent.org.uk> Subject: Re: [PATCH 3.16 00/19] 3.16.43-rc1 review From: Ben Hutchings To: Guenter Roeck , linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: torvalds@linux-foundation.org, akpm@linux-foundation.org Date: Sun, 02 Apr 2017 03:48:10 +0100 In-Reply-To: <1491086420.12745.3.camel@decadent.org.uk> References: <9c24421a-d010-38eb-ee1d-602642a3ee95@roeck-us.net> <1491086420.12745.3.camel@decadent.org.uk> Content-Type: multipart/signed; micalg="pgp-sha512"; protocol="application/pgp-signature"; boundary="=-FpAIZnlibpWUt1PjJIaY" X-Mailer: Evolution 3.22.6-1 Mime-Version: 1.0 X-SA-Exim-Connect-IP: 2a02:8011:400e:2:6f00:88c8:c921:d332 X-SA-Exim-Mail-From: ben@decadent.org.uk X-SA-Exim-Scanned: No (on shadbolt.decadent.org.uk); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --=-FpAIZnlibpWUt1PjJIaY Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Sat, 2017-04-01 at 23:40 +0100, Ben Hutchings wrote: > On Sat, 2017-04-01 at 10:43 -0700, Guenter Roeck wrote: > [snip list of MIPS failures] > > I tried to build mips:allnoconfig with the following binutils versions. > > They all fail with the same errors. > > 2.22 (from Poky version 1.3) > > 2.22 (kernel toolchain, gcc 4.6.3) > > 2.24 (kernel toolchain, gcc 4.9.0) > > 2.26.1 (buildroot toolchain, gcc 5.4.0) > >=20 > > Bisect points to commit c4cf8e3a3e8f as the culprit. > >=20 > > Details are available at http://kerneltests.org/builders. > >=20 > > Unfortunately, just reverting this one patch doesn't work. > > Reverting > >=20 > > f1ece3b9dd5e MIPS: Fix build with binutils 2.24.51+ > > f8547d2f97c8 MIPS: init upper 64b of vector registers when MSA is first= used > > c4cf8e3a3e8f MIPS: save/restore MSACSR register on context switch > >=20 > > fixes the problem, at least for an allnoconfig build with binutils 2.24= . >=20 > I've now tested with binutils 2.25 and 2.28 and added these: >=20 > 558155a0a731 MIPS: allow msa.h to be included in assembly files > 631afc65e8f4 MIPS: Push .set mips64r* into the functions needing it > f23ce3883a30 MIPS: assume at as source/dest of MSA copy/insert instructio= ns > a3a49810c55e MIPS: remove MSA macro recursion > e1bebbab1eae MIPS: wrap cfcmsa & ctcmsa accesses for toolchains with MSA = support >=20 > which resolve the build regressions for these versions at least. [...] Also added: 5e32033e14ca MIPS: mipsregs.h: Add write_32bit_cp1_register() d76e9b9fc5de MIPS: traps: Fix inline asm ctc1 missing .set hardfloat to address 3 remaining build failures on your build farm. Ben. --=20 Ben Hutchings It is impossible to make anything foolproof because fools are so ingenious. --=-FpAIZnlibpWUt1PjJIaY Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEErCspvTSmr92z9o8157/I7JWGEQkFAljgZmoACgkQ57/I7JWG EQmwIw/7BSml3sAmdE6JeZ8cVa4OAqQShP3zYIlfLPksxGOojZK3Yzk+z9ROYi4x cu6GrF0DtjMEg5tIrQLdMhn0Wqo+9QA/frGicEPbz6ug3HUZXTAN4weK6B6dwsVB NURt/ruF1CrIdDG/hVsDblzByUPd0CBXWjmclR+0UHZ9Rnd3y665XOik4DUhSeps c7HkmCbvqiRcSaIjq8vXCBKbEpmZpXjOjNp1vixD5lKpRTw7oVuzXDvhu0RHhv8c 0MnNThOXw9SoLLMnyL0Jw5+wwL+wxEeGnzRma+j6m2irRLqbcsSq+EmkP2KNxi0f l0zMNpnGls5nb+4zmeuG60oW8P25vkl91ED8XfjOnO/JuK5oQp5T8ul1nSZsNW9f YzppkyoD3Z3NL7mhZUx9ZowI2UNb6V/59QJbCXS0PfDo4U7GlSGk94XW5AtBdZSj OJMqFQdaiDTlID+jo1kaVQc4YyMYikw0Jr9M/fbHuZ/n0V/rYKy1Sj930qI2GMjd 5sYR81H+6zWwSurIYougeQyVUyjbIX9i5EUXf7CtgzRvxkjXBgqnDMwvpx6naXiW SHiJK4GsFb6xDK2uTpPn6fu6TOOM8hTgxqAObHqp1EKzCldM9xG3uu41KZxX0rba OctaJ/q+jDgd7QPtFwXaUB8acRSamkRbOQS7i/zzQ5QD7wXnhhM= =kJqi -----END PGP SIGNATURE----- --=-FpAIZnlibpWUt1PjJIaY--