From nobody Mon Apr 6 17:08:06 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A97F2ECAAD5 for ; Mon, 5 Sep 2022 12:49:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236825AbiIEMtT (ORCPT ); Mon, 5 Sep 2022 08:49:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47260 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236358AbiIEMtM (ORCPT ); Mon, 5 Sep 2022 08:49:12 -0400 Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2E0B0E30; Mon, 5 Sep 2022 05:49:11 -0700 (PDT) Received: from canpemm500005.china.huawei.com (unknown [172.30.72.55]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4MLpDY3ytzznV2Z; Mon, 5 Sep 2022 20:46:37 +0800 (CST) Received: from ubuntu1804.huawei.com (10.67.174.63) by canpemm500005.china.huawei.com (7.192.104.229) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Mon, 5 Sep 2022 20:49:09 +0800 From: Zhao Gongyi To: , CC: , , , Zhao Gongyi Subject: [PATCH -next v2 1/5] selftests/cpu-hotplug: Correct log info Date: Mon, 5 Sep 2022 20:45:21 +0800 Message-ID: <20220905124525.130067-2-zhaogongyi@huawei.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220905124525.130067-1-zhaogongyi@huawei.com> References: <20220905124525.130067-1-zhaogongyi@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.67.174.63] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To canpemm500005.china.huawei.com (7.192.104.229) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Correct the log info to match the test. Signed-off-by: Zhao Gongyi --- tools/testing/selftests/cpu-hotplug/cpu-on-off-test.sh | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/cpu-hotplug/cpu-on-off-test.sh b/tools= /testing/selftests/cpu-hotplug/cpu-on-off-test.sh index 0d26b5e3f966..1169ef82b55e 100755 --- a/tools/testing/selftests/cpu-hotplug/cpu-on-off-test.sh +++ b/tools/testing/selftests/cpu-hotplug/cpu-on-off-test.sh @@ -196,7 +196,7 @@ if [ $allcpus -eq 0 ]; then online_cpu_expect_success $online_max if [[ $offline_cpus -gt 0 ]]; then - echo -e "\t offline to online to offline: cpu $present_max" + echo -e "\t online to offline to online: cpu $present_max" online_cpu_expect_success $present_max offline_cpu_expect_success $present_max online_cpu $present_max -- 2.17.1 From nobody Mon Apr 6 17:08:06 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D8F6BECAAD3 for ; Mon, 5 Sep 2022 12:49:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237440AbiIEMta (ORCPT ); Mon, 5 Sep 2022 08:49:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47634 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236988AbiIEMtV (ORCPT ); Mon, 5 Sep 2022 08:49:21 -0400 Received: from szxga03-in.huawei.com (szxga03-in.huawei.com [45.249.212.189]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A79E4D55; Mon, 5 Sep 2022 05:49:16 -0700 (PDT) Received: from canpemm500005.china.huawei.com (unknown [172.30.72.54]) by szxga03-in.huawei.com (SkyGuard) with ESMTP id 4MLpFQ2D3qzrS9N; Mon, 5 Sep 2022 20:47:22 +0800 (CST) Received: from ubuntu1804.huawei.com (10.67.174.63) by canpemm500005.china.huawei.com (7.192.104.229) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Mon, 5 Sep 2022 20:49:14 +0800 From: Zhao Gongyi To: , CC: , , , Zhao Gongyi Subject: [PATCH -next v2 2/5] selftests/cpu-hotplug: Use return instead of exit Date: Mon, 5 Sep 2022 20:45:22 +0800 Message-ID: <20220905124525.130067-3-zhaogongyi@huawei.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220905124525.130067-1-zhaogongyi@huawei.com> References: <20220905124525.130067-1-zhaogongyi@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.67.174.63] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To canpemm500005.china.huawei.com (7.192.104.229) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Some cpus will be left in offline state when online function exits in some error conditions. Use return instead of exit to fix it. Signed-off-by: Zhao Gongyi --- .../selftests/cpu-hotplug/cpu-on-off-test.sh | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) diff --git a/tools/testing/selftests/cpu-hotplug/cpu-on-off-test.sh b/tools= /testing/selftests/cpu-hotplug/cpu-on-off-test.sh index 1169ef82b55e..bd2e791fe887 100755 --- a/tools/testing/selftests/cpu-hotplug/cpu-on-off-test.sh +++ b/tools/testing/selftests/cpu-hotplug/cpu-on-off-test.sh @@ -4,6 +4,7 @@ SYSFS=3D # Kselftest framework requirement - SKIP code is 4. ksft_skip=3D4 +retval=3D0 prerequisite() { @@ -102,10 +103,10 @@ online_cpu_expect_success() if ! online_cpu $cpu; then echo $FUNCNAME $cpu: unexpected fail >&2 - exit 1 + retval=3D1 elif ! cpu_is_online $cpu; then echo $FUNCNAME $cpu: unexpected offline >&2 - exit 1 + retval=3D1 fi } @@ -128,10 +129,10 @@ offline_cpu_expect_success() if ! offline_cpu $cpu; then echo $FUNCNAME $cpu: unexpected fail >&2 - exit 1 + retval=3D1 elif ! cpu_is_offline $cpu; then echo $FUNCNAME $cpu: unexpected offline >&2 - exit 1 + retval=3D1 fi } @@ -201,7 +202,7 @@ if [ $allcpus -eq 0 ]; then offline_cpu_expect_success $present_max online_cpu $present_max fi - exit 0 + exit $retval else echo "Full scope test: all hotplug cpus" echo -e "\t online all offline cpus" @@ -291,3 +292,5 @@ done echo 0 > $NOTIFIER_ERR_INJECT_DIR/actions/CPU_DOWN_PREPARE/error /sbin/modprobe -q -r cpu-notifier-error-inject + +exit $retval -- 2.17.1 From nobody Mon Apr 6 17:08:06 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 35D16ECAAD5 for ; Mon, 5 Sep 2022 12:49:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237574AbiIEMtm (ORCPT ); Mon, 5 Sep 2022 08:49:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47668 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237022AbiIEMtW (ORCPT ); Mon, 5 Sep 2022 08:49:22 -0400 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E25716354; Mon, 5 Sep 2022 05:49:17 -0700 (PDT) Received: from canpemm500005.china.huawei.com (unknown [172.30.72.54]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4MLpCX0cfKzjXbd; Mon, 5 Sep 2022 20:45:44 +0800 (CST) Received: from ubuntu1804.huawei.com (10.67.174.63) by canpemm500005.china.huawei.com (7.192.104.229) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Mon, 5 Sep 2022 20:49:15 +0800 From: Zhao Gongyi To: , CC: , , , Zhao Gongyi Subject: [PATCH -next v2 3/5] selftests/cpu-hotplug: Delete fault injection related code Date: Mon, 5 Sep 2022 20:45:23 +0800 Message-ID: <20220905124525.130067-4-zhaogongyi@huawei.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220905124525.130067-1-zhaogongyi@huawei.com> References: <20220905124525.130067-1-zhaogongyi@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.67.174.63] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To canpemm500005.china.huawei.com (7.192.104.229) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Delete fault injection related code since the module has been deleted. Signed-off-by: Zhao Gongyi --- .../selftests/cpu-hotplug/cpu-on-off-test.sh | 87 ++----------------- 1 file changed, 6 insertions(+), 81 deletions(-) diff --git a/tools/testing/selftests/cpu-hotplug/cpu-on-off-test.sh b/tools= /testing/selftests/cpu-hotplug/cpu-on-off-test.sh index bd2e791fe887..184156763ccb 100755 --- a/tools/testing/selftests/cpu-hotplug/cpu-on-off-test.sh +++ b/tools/testing/selftests/cpu-hotplug/cpu-on-off-test.sh @@ -116,10 +116,10 @@ online_cpu_expect_fail() if online_cpu $cpu 2> /dev/null; then echo $FUNCNAME $cpu: unexpected success >&2 - exit 1 + retval=3D1 elif ! cpu_is_offline $cpu; then echo $FUNCNAME $cpu: unexpected online >&2 - exit 1 + retval=3D1 fi } @@ -142,16 +142,14 @@ offline_cpu_expect_fail() if offline_cpu $cpu 2> /dev/null; then echo $FUNCNAME $cpu: unexpected success >&2 - exit 1 + retval=3D1 elif ! cpu_is_online $cpu; then echo $FUNCNAME $cpu: unexpected offline >&2 - exit 1 + retval=3D1 fi } -error=3D-12 allcpus=3D0 -priority=3D0 online_cpus=3D0 online_max=3D0 offline_cpus=3D0 @@ -159,31 +157,20 @@ offline_max=3D0 present_cpus=3D0 present_max=3D0 -while getopts e:ahp: opt; do +while getopts ah opt; do case $opt in - e) - error=3D$OPTARG - ;; a) allcpus=3D1 ;; h) - echo "Usage $0 [ -a ] [ -e errno ] [ -p notifier-priority ]" + echo "Usage $0 [ -a ]" echo -e "\t default offline one cpu" echo -e "\t run with -a option to offline all cpus" exit ;; - p) - priority=3D$OPTARG - ;; esac done -if ! [ "$error" -ge -4095 -a "$error" -lt 0 ]; then - echo "error code must be -4095 <=3D errno < 0" >&2 - exit 1 -fi - prerequisite # @@ -231,66 +218,4 @@ for cpu in `hotplaggable_offline_cpus`; do online_cpu_expect_success $cpu done -# -# Test with cpu notifier error injection -# - -DEBUGFS=3D`mount -t debugfs | head -1 | awk '{ print $3 }'` -NOTIFIER_ERR_INJECT_DIR=3D$DEBUGFS/notifier-error-inject/cpu - -prerequisite_extra() -{ - msg=3D"skip extra tests:" - - /sbin/modprobe -q -r cpu-notifier-error-inject - /sbin/modprobe -q cpu-notifier-error-inject priority=3D$priority - - if [ ! -d "$DEBUGFS" ]; then - echo $msg debugfs is not mounted >&2 - exit $ksft_skip - fi - - if [ ! -d $NOTIFIER_ERR_INJECT_DIR ]; then - echo $msg cpu-notifier-error-inject module is not available >&2 - exit $ksft_skip - fi -} - -prerequisite_extra - -# -# Offline all hot-pluggable CPUs -# -echo 0 > $NOTIFIER_ERR_INJECT_DIR/actions/CPU_DOWN_PREPARE/error -for cpu in `hotpluggable_online_cpus`; do - offline_cpu_expect_success $cpu -done - -# -# Test CPU hot-add error handling (offline =3D> online) -# -echo $error > $NOTIFIER_ERR_INJECT_DIR/actions/CPU_UP_PREPARE/error -for cpu in `hotplaggable_offline_cpus`; do - online_cpu_expect_fail $cpu -done - -# -# Online all hot-pluggable CPUs -# -echo 0 > $NOTIFIER_ERR_INJECT_DIR/actions/CPU_UP_PREPARE/error -for cpu in `hotplaggable_offline_cpus`; do - online_cpu_expect_success $cpu -done - -# -# Test CPU hot-remove error handling (online =3D> offline) -# -echo $error > $NOTIFIER_ERR_INJECT_DIR/actions/CPU_DOWN_PREPARE/error -for cpu in `hotpluggable_online_cpus`; do - offline_cpu_expect_fail $cpu -done - -echo 0 > $NOTIFIER_ERR_INJECT_DIR/actions/CPU_DOWN_PREPARE/error -/sbin/modprobe -q -r cpu-notifier-error-inject - exit $retval -- 2.17.1 From nobody Mon Apr 6 17:08:06 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id ABD1DECAAD5 for ; Mon, 5 Sep 2022 12:49:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237926AbiIEMtz (ORCPT ); Mon, 5 Sep 2022 08:49:55 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47728 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237087AbiIEMtW (ORCPT ); Mon, 5 Sep 2022 08:49:22 -0400 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E646F6362; Mon, 5 Sep 2022 05:49:18 -0700 (PDT) Received: from canpemm500005.china.huawei.com (unknown [172.30.72.57]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4MLpCX67yjzjXbk; Mon, 5 Sep 2022 20:45:44 +0800 (CST) Received: from ubuntu1804.huawei.com (10.67.174.63) by canpemm500005.china.huawei.com (7.192.104.229) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Mon, 5 Sep 2022 20:49:16 +0800 From: Zhao Gongyi To: , CC: , , , Zhao Gongyi Subject: [PATCH -next v2 4/5] selftests/cpu-hotplug: Reserve one cpu online at least Date: Mon, 5 Sep 2022 20:45:24 +0800 Message-ID: <20220905124525.130067-5-zhaogongyi@huawei.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220905124525.130067-1-zhaogongyi@huawei.com> References: <20220905124525.130067-1-zhaogongyi@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.67.174.63] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To canpemm500005.china.huawei.com (7.192.104.229) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Considering that we can not offline all cpus in any cases, we need to reserve one cpu online when the test offline all hotpluggable online cpus, otherwise the test will fail forever. Fixes: d89dffa976bc ("fault-injection: add selftests for cpu and memory hotplug") Signed-off-by: Zhao Gongyi --- .../selftests/cpu-hotplug/cpu-on-off-test.sh | 40 ++++++++++--------- 1 file changed, 22 insertions(+), 18 deletions(-) diff --git a/tools/testing/selftests/cpu-hotplug/cpu-on-off-test.sh b/tools= /testing/selftests/cpu-hotplug/cpu-on-off-test.sh index 184156763ccb..d5dc7e0dc726 100755 --- a/tools/testing/selftests/cpu-hotplug/cpu-on-off-test.sh +++ b/tools/testing/selftests/cpu-hotplug/cpu-on-off-test.sh @@ -149,6 +149,25 @@ offline_cpu_expect_fail() fi } +online_all_hot_pluggable_cpus() +{ + for cpu in `hotplaggable_offline_cpus`; do + online_cpu_expect_success $cpu + done +} + +offline_all_hot_pluggable_cpus() +{ + local reserve_cpu=3D$online_max + for cpu in `hotpluggable_online_cpus`; do + # Reserve one cpu oneline at least. + if [ $cpu -eq $reserve_cpu ];then + continue + fi + offline_cpu_expect_success $cpu + done +} + allcpus=3D0 online_cpus=3D0 online_max=3D0 @@ -197,25 +216,10 @@ else echo -e "\t online all offline cpus" fi -# -# Online all hot-pluggable CPUs -# -for cpu in `hotplaggable_offline_cpus`; do - online_cpu_expect_success $cpu -done +online_all_hot_pluggable_cpus -# -# Offline all hot-pluggable CPUs -# -for cpu in `hotpluggable_online_cpus`; do - offline_cpu_expect_success $cpu -done +offline_all_hot_pluggable_cpus -# -# Online all hot-pluggable CPUs again -# -for cpu in `hotplaggable_offline_cpus`; do - online_cpu_expect_success $cpu -done +online_all_hot_pluggable_cpus exit $retval -- 2.17.1 From nobody Mon Apr 6 17:08:06 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C1DDDECAAD5 for ; Mon, 5 Sep 2022 12:49:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237796AbiIEMtt (ORCPT ); Mon, 5 Sep 2022 08:49:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47824 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235538AbiIEMt0 (ORCPT ); Mon, 5 Sep 2022 08:49:26 -0400 Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E125263E3; Mon, 5 Sep 2022 05:49:19 -0700 (PDT) Received: from canpemm500005.china.huawei.com (unknown [172.30.72.55]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4MLpDk06MkznTqH; Mon, 5 Sep 2022 20:46:46 +0800 (CST) Received: from ubuntu1804.huawei.com (10.67.174.63) by canpemm500005.china.huawei.com (7.192.104.229) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Mon, 5 Sep 2022 20:49:17 +0800 From: Zhao Gongyi To: , CC: , , , Zhao Gongyi Subject: [PATCH -next v2 5/5] selftests/cpu-hotplug: Add log info when test success Date: Mon, 5 Sep 2022 20:45:25 +0800 Message-ID: <20220905124525.130067-6-zhaogongyi@huawei.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220905124525.130067-1-zhaogongyi@huawei.com> References: <20220905124525.130067-1-zhaogongyi@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.67.174.63] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To canpemm500005.china.huawei.com (7.192.104.229) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add log information when run full test successfully. Signed-off-by: Zhao Gongyi --- tools/testing/selftests/cpu-hotplug/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/cpu-hotplug/Makefile b/tools/testing/s= elftests/cpu-hotplug/Makefile index d8be047ee5b6..8b66c4738344 100644 --- a/tools/testing/selftests/cpu-hotplug/Makefile +++ b/tools/testing/selftests/cpu-hotplug/Makefile @@ -6,6 +6,6 @@ TEST_PROGS :=3D cpu-on-off-test.sh include ../lib.mk run_full_test: - @/bin/bash ./cpu-on-off-test.sh -a || echo "cpu-hotplug selftests: [FAIL]" + @/bin/bash ./cpu-on-off-test.sh -a && echo "cpu-hotplug selftests: [PASS]= " || echo "cpu-hotplug selftests: [FAIL]" clean: -- 2.17.1