{"id":804995,"url":"http://patchwork.ozlabs.org/api/1.2/patches/804995/?format=json","web_url":"http://patchwork.ozlabs.org/project/linuxppc-dev/patch/1503496584-21970-2-git-send-email-mpe@ellerman.id.au/","project":{"id":2,"url":"http://patchwork.ozlabs.org/api/1.2/projects/2/?format=json","name":"Linux PPC development","link_name":"linuxppc-dev","list_id":"linuxppc-dev.lists.ozlabs.org","list_email":"linuxppc-dev@lists.ozlabs.org","web_url":"https://github.com/linuxppc/wiki/wiki","scm_url":"https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git","webscm_url":"https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/","list_archive_url":"https://lore.kernel.org/linuxppc-dev/","list_archive_url_format":"https://lore.kernel.org/linuxppc-dev/{}/","commit_url_format":"https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?id={}"},"msgid":"<1503496584-21970-2-git-send-email-mpe@ellerman.id.au>","list_archive_url":"https://lore.kernel.org/linuxppc-dev/1503496584-21970-2-git-send-email-mpe@ellerman.id.au/","date":"2017-08-23T13:56:21","name":"[2/5] powerpc/oops: Print the kernel's endian in the oops","commit_ref":"2e82ca3c3978d441ab272a7a964d03c6d2ee2bf3","pull_url":null,"state":"accepted","archived":false,"hash":"caa3fb980b63e7a494cf04ea2e9493ca081e62fe","submitter":{"id":46580,"url":"http://patchwork.ozlabs.org/api/1.2/people/46580/?format=json","name":"Michael Ellerman","email":"mpe@ellerman.id.au"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linuxppc-dev/patch/1503496584-21970-2-git-send-email-mpe@ellerman.id.au/mbox/","series":[],"comments":"http://patchwork.ozlabs.org/api/patches/804995/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/804995/checks/","tags":{},"related":[],"headers":{"Return-Path":"","X-Original-To":["patchwork-incoming@ozlabs.org","linuxppc-dev@lists.ozlabs.org"],"Delivered-To":["patchwork-incoming@ozlabs.org","linuxppc-dev@lists.ozlabs.org","linuxppc-dev@ozlabs.org"],"Received":["from lists.ozlabs.org (lists.ozlabs.org [103.22.144.68])\n\t(using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3xcptz14K9z9s8P\n\tfor ;\n\tWed, 23 Aug 2017 23:59:07 +1000 (AEST)","from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3])\n\tby lists.ozlabs.org (Postfix) with ESMTP id 3xcpty6NnNzDrLj\n\tfor ;\n\tWed, 23 Aug 2017 23:59:06 +1000 (AEST)","from ozlabs.org (bilbo.ozlabs.org [103.22.144.67])\n\t(using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby lists.ozlabs.org (Postfix) with ESMTPS id 3xcpr26yJGzDqZr\n\tfor ;\n\tWed, 23 Aug 2017 23:56:34 +1000 (AEST)","by ozlabs.org (Postfix)\n\tid 3xcpr26Dgcz9s82; Wed, 23 Aug 2017 23:56:34 +1000 (AEST)","by ozlabs.org (Postfix, from userid 1034)\n\tid 3xcpr25cXpz9s9Y; Wed, 23 Aug 2017 23:56:34 +1000 (AEST)"],"From":"Michael Ellerman ","To":"linuxppc-dev@ozlabs.org","Subject":"[PATCH 2/5] powerpc/oops: Print the kernel's endian in the oops","Date":"Wed, 23 Aug 2017 23:56:21 +1000","Message-Id":"<1503496584-21970-2-git-send-email-mpe@ellerman.id.au>","X-Mailer":"git-send-email 2.7.4","In-Reply-To":"<1503496584-21970-1-git-send-email-mpe@ellerman.id.au>","References":"<1503496584-21970-1-git-send-email-mpe@ellerman.id.au>","X-BeenThere":"linuxppc-dev@lists.ozlabs.org","X-Mailman-Version":"2.1.23","Precedence":"list","List-Id":"Linux on PowerPC Developers Mail List\n\t","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Errors-To":"linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org","Sender":"\"Linuxppc-dev\"\n\t"},"content":"Although the MSR tells you what endian you're in it's possible that\nisn't the same endian the kernel was built for, and if that happens\nyou're usually having a very bad day. So print a marker to make\nit 100% clear which endian the kernel was built for.\n\nSigned-off-by: Michael Ellerman \n---\n arch/powerpc/kernel/traps.c | 6 ++++++\n 1 file changed, 6 insertions(+)","diff":"diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c\nindex 82d0ce236f9d..5a54a6f54f70 100644\n--- a/arch/powerpc/kernel/traps.c\n+++ b/arch/powerpc/kernel/traps.c\n@@ -202,6 +202,12 @@ NOKPROBE_SYMBOL(oops_end);\n static int __die(const char *str, struct pt_regs *regs, long err)\n {\n \tprintk(\"Oops: %s, sig: %ld [#%d]\\n\", str, err, ++die_counter);\n+\n+\tif (IS_ENABLED(CONFIG_CPU_LITTLE_ENDIAN))\n+\t\tprintk(\"LE \");\n+\telse\n+\t\tprintk(\"BE \");\n+\n #ifdef CONFIG_PREEMPT\n \tpr_cont(\"PREEMPT \");\n #endif\n","prefixes":["2/5"]}