From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-io0-f200.google.com (mail-io0-f200.google.com [209.85.223.200]) by kanga.kvack.org (Postfix) with ESMTP id CAB1F6B007E for ; Mon, 16 May 2016 12:26:04 -0400 (EDT) Received: by mail-io0-f200.google.com with SMTP id d62so369694049iof.1 for ; Mon, 16 May 2016 09:26:04 -0700 (PDT) Received: from emea01-db3-obe.outbound.protection.outlook.com (mail-db3on0113.outbound.protection.outlook.com. [157.55.234.113]) by mx.google.com with ESMTPS id cl20si6033573obb.41.2016.05.16.09.26.03 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 16 May 2016 09:26:04 -0700 (PDT) Subject: Re: [PATCHv8 resend 2/2] selftest/x86: add mremap vdso test References: <1462886951-23376-1-git-send-email-dsafonov@virtuozzo.com> <1462886951-23376-2-git-send-email-dsafonov@virtuozzo.com> <20160516135442.GA14452@gmail.com> From: Dmitry Safonov Message-ID: <512f4c9c-7edc-0d12-df96-9708df5f498d@virtuozzo.com> Date: Mon, 16 May 2016 19:24:49 +0300 MIME-Version: 1.0 In-Reply-To: <20160516135442.GA14452@gmail.com> Content-Type: text/plain; charset="windows-1252"; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Ingo Molnar Cc: linux-kernel@vger.kernel.org, mingo@redhat.com, luto@amacapital.net, tglx@linutronix.de, hpa@zytor.com, x86@kernel.org, akpm@linux-foundation.org, linux-mm@kvack.org, 0x7f454c46@gmail.com, Shuah Khan , linux-kselftest@vger.kernel.org On 05/16/2016 04:54 PM, Ingo Molnar wrote: > > * Dmitry Safonov wrote: > >> Should print on success: >> [root@localhost ~]# ./test_mremap_vdso_32 >> AT_SYSINFO_EHDR is 0xf773f000 >> [NOTE] Moving vDSO: [f773f000, f7740000] -> [a000000, a001000] >> [OK] >> Or segfault if landing was bad (before patches): >> [root@localhost ~]# ./test_mremap_vdso_32 >> AT_SYSINFO_EHDR is 0xf774f000 >> [NOTE] Moving vDSO: [f774f000, f7750000] -> [a000000, a001000] >> Segmentation fault (core dumped) > > Can the segfault be caught and recovered from, to print a proper failure message? Will add segfault handler, thanks. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org