From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.3 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS, URIBL_BLOCKED,USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 467F0C43441 for ; Tue, 13 Nov 2018 16:54:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0C10B2245E for ; Tue, 13 Nov 2018 16:54:53 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="rMgT6DiV" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0C10B2245E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731470AbeKNCxq (ORCPT ); Tue, 13 Nov 2018 21:53:46 -0500 Received: from mail-wm1-f68.google.com ([209.85.128.68]:51736 "EHLO mail-wm1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726517AbeKNCxq (ORCPT ); Tue, 13 Nov 2018 21:53:46 -0500 Received: by mail-wm1-f68.google.com with SMTP id w7-v6so12661814wmc.1; Tue, 13 Nov 2018 08:54:50 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=hbhl4siY9JkEirGFQPRa5NX0OSFRMB8BIebI/HoFUX0=; b=rMgT6DiVfd7P554qGFlXcKB4+iZf5qmMLcPSIEIywkxZbfEKqxHnvKJuP1ODzelUAZ 57uyv7J8vc/rRrg8bhMbEpWEd8YNI+M0NSgQ9CqeJ8cBEGVEvXDbjUWxtLBhLRtUcb/W yQqWZ1QE3H8BxAVyAE+kEA/0d3Hvc0ivY5MVFAclcfbXbg6mJfcGNx8dPc7f6JRSerPP S2m6jdp083sAOIgGrvDhNyEPDhRadNQYwoRRPP8SzCRHk43OKTvjHbXiGTrgQJeRh1C4 caEMtL+bHKjBMwGoZEA/ZdXYu3qFp4LFEv9GjoZm7H6wjfHJFqSKi8ZzY07ZYf5liAVG cKdQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=hbhl4siY9JkEirGFQPRa5NX0OSFRMB8BIebI/HoFUX0=; b=WqCSF/f3S04Tj1ljDEYPV29OMRYxI6DDMNcAQwkEMMPx6cykNNMkFi/17xdJ3j9MnG g5V8yfVA8+viAC9Gek/5VcldIzqq53nqRGbMdEgE2SYtazrfKq5snzEmf+6hShpsjt1f aoBHaax+BYNfRGJnrEKrDliqH7TQhQSBY3//tqaYSKyogSh5pOTbo0uNC5UlX+0TlDpb 0pZtvgJannUa11rgcDFSsK2UjEE26ys+ySITLs0VPdh1TiPbl3F1MMmIB4y+Qy89170d ZxchrRAhgtLZ1ilbi4+FEeY9jtT5A0/npsRZL+sjchknCp57LygGxDrW6KTI335T+HUS Rnbw== X-Gm-Message-State: AGRZ1gJo56PgMQMpGZTLgqcGacoKRn7cyKb0i6YsW7NUD9AEYVa0eXO9 JDoVE+GNwpI4CdwegDr6Xw== X-Google-Smtp-Source: AJdET5f7ano9rBOThf+3gfLJVAAz1beZNW5CA92/lKKasb3NIjNykIE3DhC7OINCh3iZt47TtK2pvg== X-Received: by 2002:a1c:9690:: with SMTP id y138-v6mr3788196wmd.67.1542128089847; Tue, 13 Nov 2018 08:54:49 -0800 (PST) Received: from avx2 (nat5-minsk-pool-46-53-217-92.telecom.by. [46.53.217.92]) by smtp.gmail.com with ESMTPSA id n131-v6sm22141432wmd.7.2018.11.13.08.54.48 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 13 Nov 2018 08:54:49 -0800 (PST) Date: Tue, 13 Nov 2018 19:54:46 +0300 From: Alexey Dobriyan To: akpm@linux-foundation.org Cc: Cyrill Gorcunov , linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, shuah@kernel.org, Rafael David Tinoco Subject: [PATCH v2] proc: fixup map_files test on arm Message-ID: <20181113165446.GA28157@avx2> References: <20181110184920.GA18252@avx2> <1541904527.857883.1572718104.2AE8D0DA@webmail.messagingengine.com> <20181112141456.GA15690@avx2> <20181112155559.GV13195@uranus.lan> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org https://bugs.linaro.org/show_bug.cgi?id=3782 Turns out arm doesn't allow to map address 0, so try minimum virtual address instead. Reported-by: Rafael David Tinoco Tested-by: Rafael David Tinoco Signed-off-by: Alexey Dobriyan --- tools/testing/selftests/proc/proc-self-map-files-002.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) --- a/tools/testing/selftests/proc/proc-self-map-files-002.c +++ b/tools/testing/selftests/proc/proc-self-map-files-002.c @@ -13,7 +13,7 @@ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ -/* Test readlink /proc/self/map_files/... with address 0. */ +/* Test readlink /proc/self/map_files/... with minimum address. */ #include #include #include @@ -47,6 +47,11 @@ static void fail(const char *fmt, unsigned long a, unsigned long b) int main(void) { const unsigned int PAGE_SIZE = sysconf(_SC_PAGESIZE); +#ifdef __arm__ + unsigned long va = 2 * PAGE_SIZE; +#else + unsigned long va = 0; +#endif void *p; int fd; unsigned long a, b; @@ -55,7 +60,7 @@ int main(void) if (fd == -1) return 1; - p = mmap(NULL, PAGE_SIZE, PROT_NONE, MAP_PRIVATE|MAP_FILE|MAP_FIXED, fd, 0); + p = mmap((void *)va, PAGE_SIZE, PROT_NONE, MAP_PRIVATE|MAP_FILE|MAP_FIXED, fd, 0); if (p == MAP_FAILED) { if (errno == EPERM) return 2; From mboxrd@z Thu Jan 1 00:00:00 1970 From: adobriyan at gmail.com (Alexey Dobriyan) Date: Tue, 13 Nov 2018 19:54:46 +0300 Subject: [PATCH v2] proc: fixup map_files test on arm In-Reply-To: References: <20181110184920.GA18252@avx2> <1541904527.857883.1572718104.2AE8D0DA@webmail.messagingengine.com> <20181112141456.GA15690@avx2> <20181112155559.GV13195@uranus.lan> Message-ID: <20181113165446.GA28157@avx2> https://bugs.linaro.org/show_bug.cgi?id=3782 Turns out arm doesn't allow to map address 0, so try minimum virtual address instead. Reported-by: Rafael David Tinoco Tested-by: Rafael David Tinoco Signed-off-by: Alexey Dobriyan --- tools/testing/selftests/proc/proc-self-map-files-002.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) --- a/tools/testing/selftests/proc/proc-self-map-files-002.c +++ b/tools/testing/selftests/proc/proc-self-map-files-002.c @@ -13,7 +13,7 @@ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ -/* Test readlink /proc/self/map_files/... with address 0. */ +/* Test readlink /proc/self/map_files/... with minimum address. */ #include #include #include @@ -47,6 +47,11 @@ static void fail(const char *fmt, unsigned long a, unsigned long b) int main(void) { const unsigned int PAGE_SIZE = sysconf(_SC_PAGESIZE); +#ifdef __arm__ + unsigned long va = 2 * PAGE_SIZE; +#else + unsigned long va = 0; +#endif void *p; int fd; unsigned long a, b; @@ -55,7 +60,7 @@ int main(void) if (fd == -1) return 1; - p = mmap(NULL, PAGE_SIZE, PROT_NONE, MAP_PRIVATE|MAP_FILE|MAP_FIXED, fd, 0); + p = mmap((void *)va, PAGE_SIZE, PROT_NONE, MAP_PRIVATE|MAP_FILE|MAP_FIXED, fd, 0); if (p == MAP_FAILED) { if (errno == EPERM) return 2; From mboxrd@z Thu Jan 1 00:00:00 1970 From: adobriyan@gmail.com (Alexey Dobriyan) Date: Tue, 13 Nov 2018 19:54:46 +0300 Subject: [PATCH v2] proc: fixup map_files test on arm In-Reply-To: References: <20181110184920.GA18252@avx2> <1541904527.857883.1572718104.2AE8D0DA@webmail.messagingengine.com> <20181112141456.GA15690@avx2> <20181112155559.GV13195@uranus.lan> Message-ID: <20181113165446.GA28157@avx2> Content-Type: text/plain; charset="UTF-8" Message-ID: <20181113165446.zSa_iFcH6doWBVAc6zVRFVDIGku48qcTwAMK1jXv_B8@z> https://bugs.linaro.org/show_bug.cgi?id=3782 Turns out arm doesn't allow to map address 0, so try minimum virtual address instead. Reported-by: Rafael David Tinoco Tested-by: Rafael David Tinoco Signed-off-by: Alexey Dobriyan --- tools/testing/selftests/proc/proc-self-map-files-002.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) --- a/tools/testing/selftests/proc/proc-self-map-files-002.c +++ b/tools/testing/selftests/proc/proc-self-map-files-002.c @@ -13,7 +13,7 @@ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ -/* Test readlink /proc/self/map_files/... with address 0. */ +/* Test readlink /proc/self/map_files/... with minimum address. */ #include #include #include @@ -47,6 +47,11 @@ static void fail(const char *fmt, unsigned long a, unsigned long b) int main(void) { const unsigned int PAGE_SIZE = sysconf(_SC_PAGESIZE); +#ifdef __arm__ + unsigned long va = 2 * PAGE_SIZE; +#else + unsigned long va = 0; +#endif void *p; int fd; unsigned long a, b; @@ -55,7 +60,7 @@ int main(void) if (fd == -1) return 1; - p = mmap(NULL, PAGE_SIZE, PROT_NONE, MAP_PRIVATE|MAP_FILE|MAP_FIXED, fd, 0); + p = mmap((void *)va, PAGE_SIZE, PROT_NONE, MAP_PRIVATE|MAP_FILE|MAP_FIXED, fd, 0); if (p == MAP_FAILED) { if (errno == EPERM) return 2;