From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751503AbeBTWB1 (ORCPT ); Tue, 20 Feb 2018 17:01:27 -0500 Received: from mout.kundenserver.de ([217.72.192.73]:34563 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751233AbeBTWAU (ORCPT ); Tue, 20 Feb 2018 17:00:20 -0500 From: Arnd Bergmann To: Nicolas Pitre Cc: Andi Kleen , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Arnd Bergmann Subject: [PATCH 1/7] ARM: disallow combining XIP and LTO Date: Tue, 20 Feb 2018 22:59:48 +0100 Message-Id: <20180220215954.4092811-2-arnd@arndb.de> X-Mailer: git-send-email 2.9.0 In-Reply-To: <20180220215954.4092811-1-arnd@arndb.de> References: <20180220215954.4092811-1-arnd@arndb.de> X-Provags-ID: V03:K0:68CP8D5zJQFwnlFrJ/irQ54USuaEt6O5wK4lDMNIAyakOc7alQ2 eQ/4aC76leERsEA1T/DOpfDW3K4PVo1T2mnzXFqPQcRtehbPZ7cWo+lyDWD5TrH/jpHm+Al O6rfVaM83JPtqeAt8Y1P20vq4NwFY3JVBIAMLaLrP9sKNDGE4tUB89fgY/kzu4Uojy46pnm NXE7vMpvOdbTDISlPrJpg== X-UI-Out-Filterresults: notjunk:1;V01:K0:rR8Kc8pDCKk=:ndfU5F6i9ZigA1mfZqMVBF Q38QVPhjLkB5CoVuApUGOAk8hNVq0HX3eZQ4eXGL85WY2OT4Q6gw8hBfSzdUDhYy/sCtb7qMn A0K4SkY5VbnEmYfmKklZUeQraieZ4JSysqCxIVSf3WyPAtWRTMvbTQBY47fIxU1iQ4TfUbHyH 3juU7cLJ6mufH6oO0RYg1CwNGeE5l0tsLR2vOwBEHWlnEwqTWGC06u7OqlQrWXg9Iqp7mFC4o CZRqfG2SIYwgzrk108RSK0vdTvID7/eVM0Vaqcw47y6gTVN9WyXraD6ljkT0pHh5RfYxSsHDV ZsTHCXDKOFRhX4nMatMPgVVwQPfhQ9R7hh1B+kXDsuRf5tRvnmq6KGzfhZHhsD4aRyKS1xg33 p6wz2dKp6K/mL1ettGP13zC7VGN5fO/yD/qKPswkW6pXxjGGKCG7WeBxBNZk7Y9XSxlyo/6AU 0ej7nm9URsuhYBW0zXfV0J1FSSmQ/8e4VNSOIAY4jcpJbZT0nVXaCOsp2UJegvcndGsUXY3CK N5j1PLqE1XOE7njy+UDgyOgPtPHb5oJMZMNMhVPKY3myyqIrBx9w4+HTcbngUeOET7UbcbPbC d436lrCgQ5N9Q25jMRcihWbaZZGVG0rmgF2cu0ykrTrvaVZbUGt+KQo1Tuj6QP62AfuUwtDtg oRxmud2e67XgFnW+RJ1TsUyJ3NBfqroVPyYzV0AoXSoUVSLB6nvLjg9w1PowK9MWxrR7HpJYn CXjbSqmozplKYfGX3crpAsbom6YEhMt+p8yX/w== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This fails during deflate_xip_data.sh /home/arnd/cross-gcc/bin/arm-linux-gnueabi-objcopy -O binary -R .comment -S vmlinux arch/arm/boot/xipImage && /bin/bash -c '/git/arm-soc/arch/arm/boot/deflate_xip_data.sh vmlinux arch/arm/boot/xipImage || { rm -f arch/arm/boot/xipImage; false; }' make -f /git/arm-soc/scripts/Makefile.modpost + sym_val __data_loc + sed -n / __data_loc$/{s/ .*$//p;q} + /home/arnd/cross-gcc/bin/arm-linux-gnueabi-gcc-nm vmlinux /home/arnd/cross-gcc/lib/gcc/arm-linux-gnueabi/8.0.1/../../../../arm-linux-gnueabi/bin/nm terminated with signal 13 [Broken pipe] + local val=ac74c0f4 + [ ac74c0f4 ] + echo 2893332724 + __data_loc=2893332724 + sym_val _edata_loc + /home/arnd/cross-gcc/bin/arm-linux-gnueabi-gcc-nm vmlinux + sed -n / _edata_loc$/{s/ .*$//p;q} /home/arnd/cross-gcc/lib/gcc/arm-linux-gnueabi/8.0.1/../../../../arm-linux-gnueabi/bin/nm terminated with signal 13 [Broken pipe] + local val=ac7b8744 + [ ac7b8744 ] + echo 2893776708 + _edata_loc=2893776708 + sym_val _xiprom + sed -n / _xiprom$/{s/ .*$//p;q} + /home/arnd/cross-gcc/bin/arm-linux-gnueabi-gcc-nm vmlinux /home/arnd/cross-gcc/lib/gcc/arm-linux-gnueabi/8.0.1/../../../../arm-linux-gnueabi/bin/nm terminated with signal 13 [Broken pipe] Obviously we want to make the combination work, no idea why it doesn't. Signed-off-by: Arnd Bergmann --- arch/arm/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 823e397ee0f3..8ed0f664f86f 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -1976,6 +1976,7 @@ endchoice config XIP_KERNEL bool "Kernel Execute-In-Place from ROM" depends on !ARM_LPAE && !ARCH_MULTIPLATFORM + depends on !LTO help Execute-In-Place allows the kernel to run from non-volatile storage directly addressable by the CPU, such as NOR flash. This saves RAM -- 2.9.0