From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-io0-f175.google.com (mail-io0-f175.google.com [209.85.223.175]) by kanga.kvack.org (Postfix) with ESMTP id 9D70F6B025C for ; Tue, 8 Sep 2015 16:43:49 -0400 (EDT) Received: by iofb144 with SMTP id b144so133661557iof.1 for ; Tue, 08 Sep 2015 13:43:49 -0700 (PDT) Received: from mx1.redhat.com (mx1.redhat.com. [209.132.183.28]) by mx.google.com with ESMTPS id v11si7454221pdi.230.2015.09.08.13.43.37 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 08 Sep 2015 13:43:37 -0700 (PDT) From: Andrea Arcangeli Subject: [PATCH 05/12] userfaultfd: selftest: only warn if __NR_userfaultfd is undefined Date: Tue, 8 Sep 2015 22:43:23 +0200 Message-Id: <1441745010-14314-6-git-send-email-aarcange@redhat.com> In-Reply-To: <1441745010-14314-1-git-send-email-aarcange@redhat.com> References: <1441745010-14314-1-git-send-email-aarcange@redhat.com> Sender: owner-linux-mm@kvack.org List-ID: To: Andrew Morton , linux-mm@kvack.org Cc: Pavel Emelyanov , zhang.zhanghailiang@huawei.com, Dave Hansen , Rik van Riel , "Dr. David Alan Gilbert" , "Huangpeng (Peter)" , Michael Ellerman , Bamvor Zhang Jian , Bharata B Rao , Geert Uytterhoeven From: Michael Ellerman If __NR_userfaultfd is not yet defined by the arch, warn but still build and run the userfaultfd selftest successfully. Signed-off-by: Michael Ellerman Signed-off-by: Andrea Arcangeli --- tools/testing/selftests/vm/userfaultfd.c | 16 +++++++++++++--- 1 file changed, 13 insertions(+), 3 deletions(-) diff --git a/tools/testing/selftests/vm/userfaultfd.c b/tools/testing/selftests/vm/userfaultfd.c index 23ba5f2..0c7d66f 100644 --- a/tools/testing/selftests/vm/userfaultfd.c +++ b/tools/testing/selftests/vm/userfaultfd.c @@ -66,9 +66,7 @@ #include #include -#ifndef __NR_userfaultfd -#error "missing __NR_userfaultfd definition" -#endif +#ifdef __NR_userfaultfd static unsigned long nr_cpus, nr_pages, nr_pages_per_cpu, page_size; @@ -628,3 +626,15 @@ int main(int argc, char **argv) nr_pages, nr_pages_per_cpu); return userfaultfd_stress(); } + +#else /* __NR_userfaultfd */ + +#warning "missing __NR_userfaultfd definition" + +int main(void) +{ + printf("skip: Skipping userfaultfd test (missing __NR_userfaultfd)\n"); + return 0; +} + +#endif /* __NR_userfaultfd */ -- 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