From mboxrd@z Thu Jan 1 00:00:00 1970 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753211AbeAFWp2 (ORCPT + 1 other); Sat, 6 Jan 2018 17:45:28 -0500 Received: from mail-pg0-f68.google.com ([74.125.83.68]:33462 "EHLO mail-pg0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752249AbeAFWp0 (ORCPT ); Sat, 6 Jan 2018 17:45:26 -0500 X-Google-Smtp-Source: ACJfBos04/1Ider/UrepL4Zw4Hbnws3LdKN8NB0iZnlf9LSm7EEGIG3Vavgfe78FVyP++0EoHdDmRw== Date: Sat, 6 Jan 2018 14:45:23 -0800 From: Guenter Roeck To: David Howells Cc: linux-kernel@vger.kernel.org, Tony Luck , Will Deacon , Mikael Starvik , Jesper Nilsson , linux-cris-kernel@axis.com, Richard Kuo , linux-hexagon@vger.kernel.org Subject: Problems with 'Construct init thread stack in the linker script rather than by union' in -next Message-ID: <20180106224523.GA16811@roeck-us.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Return-Path: Hi, commit 7e7a20a2058dc ("Construct init thread stack in the linker script rather than by union") results in various build failures in -next. cris: arch/cris/kernel/vmlinux.lds:67: undefined symbol `THREAD_SIZE' referenced in expression crisv32: arch/cris/kernel/vmlinux.lds:72: undefined symbol `THREAD_SIZE' referenced in expression hexagon: arch/hexagon/kernel/vmlinux.lds:41: undefined symbol `THREAD_SIZE' referenced in expression openrisc: arch/openrisc/kernel/vmlinux.lds:26: undefined symbol `THREAD_SIZE' referenced in expression Bisect log (taken from cris) is attached. Guenter --- # bad: [990b6a07d18cb30a66db3d18ab7d953806237e6a] Add linux-next specific files for 20180105 # good: [30a7acd573899fd8b8ac39236eff6468b195ac7d] Linux 4.15-rc6 git bisect start 'HEAD' 'v4.15-rc6' # good: [4411e1d8bfc93afafc74548669d772750432e0b7] Merge remote-tracking branch 'crypto/master' git bisect good 4411e1d8bfc93afafc74548669d772750432e0b7 # good: [fcdad798ac60727fc0a90c36815d19b1629e45a4] Merge remote-tracking branch 'devicetree/for-next' git bisect good fcdad798ac60727fc0a90c36815d19b1629e45a4 # good: [fe14c29e6d6772e5fc7bb8dc7a7568ce6a887a8e] Merge remote-tracking branch 'staging/staging-next' git bisect good fe14c29e6d6772e5fc7bb8dc7a7568ce6a887a8e # good: [b8be2479df7dda35d0d73fafa3f1d9c95c6a89b6] Merge remote-tracking branch 'gpio/for-next' git bisect good b8be2479df7dda35d0d73fafa3f1d9c95c6a89b6 # good: [76248405844bf17c0620aea2f0e5bb751fc680b3] lib/stackdepot.c: use a non-instrumented version of memcmp() git bisect good 76248405844bf17c0620aea2f0e5bb751fc680b3 # good: [37dc312d369803397a260bedea016670d9fc827a] Merge remote-tracking branch 'ntb/ntb-next' git bisect good 37dc312d369803397a260bedea016670d9fc827a # bad: [c2f271a55e60b1b25bab01a9e5de5097bd038ab5] Merge remote-tracking branch 'init_task/init_task' git bisect bad c2f271a55e60b1b25bab01a9e5de5097bd038ab5 # good: [28e8fac00c1ccccc20fcde0573aef4318bd1e98c] ip: Define usercopy region in IP proto slab cache git bisect good 28e8fac00c1ccccc20fcde0573aef4318bd1e98c # good: [815cc87607f4b80e4d4449cc3355812af6bc6602] kvm: whitelist struct kvm_vcpu_arch git bisect good 815cc87607f4b80e4d4449cc3355812af6bc6602 # bad: [3a0b110aa454910188f216d47247dc0d523fd2c9] Expand INIT_STRUCT_PID and remove git bisect bad 3a0b110aa454910188f216d47247dc0d523fd2c9 # bad: [87732cfd2dfbcecdfb92ed13f238bb9ed8d6ea5f] Expand INIT_TASK() in init/init_task.c and remove git bisect bad 87732cfd2dfbcecdfb92ed13f238bb9ed8d6ea5f # bad: [7e7a20a2058dc8a5106593692cfb0876de028892] Construct init thread stack in the linker script rather than by union git bisect bad 7e7a20a2058dc8a5106593692cfb0876de028892 # first bad commit: [7e7a20a2058dc8a5106593692cfb0876de028892] Construct init thread stack in the linker script rather than by union