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([2601:188:c100:5710:627d:9ff:fe85:9ade]) by smtp.gmail.com with ESMTPSA id d75a77b69052e-471fa44e494sm17504291cf.48.2025.02.18.12.44.48 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 18 Feb 2025 12:44:49 -0800 (PST) From: Waiman Long X-Google-Original-From: Waiman Long Message-ID: Date: Tue, 18 Feb 2025 15:44:47 -0500 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] selftests: make shell scripts POSIX-compliant To: Aditya Dutt , Shuah Khan , Tejun Heo , Madhavan Srinivasan , "David S . Miller" Cc: Shuah Khan , linux-kernel-mentees@lists.linuxfoundation.org, cgroups@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org References: <20250216120225.324468-1-duttaditya18@gmail.com> Content-Language: en-US In-Reply-To: <20250216120225.324468-1-duttaditya18@gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 2/16/25 7:02 AM, Aditya Dutt wrote: > Changes include: > - Replaced [[ ... ]] with [ ... ] > - Replaced == with = > - Replaced printf -v with cur=$(printf ...). > - Replaced echo -e with printf "%b\n" ... > > The above mentioned are Bash/GNU extensions and are not part of POSIX. > Using shells like dash or non-GNU coreutils may produce errors. > They have been replaced with POSIX-compatible alternatives. > > Signed-off-by: Aditya Dutt > --- > > I have made sure to only change the files that specifically have the > /bin/sh shebang. > I have referred to https://mywiki.wooledge.org/Bashism for information > on what is and what isn't POSIX-compliant. > > tools/testing/selftests/cgroup/test_cpuset_v1_hp.sh | 10 +++++----- > tools/testing/selftests/kexec/kexec_common_lib.sh | 2 +- > tools/testing/selftests/kexec/test_kexec_file_load.sh | 2 +- > tools/testing/selftests/net/veth.sh | 10 +++++----- > tools/testing/selftests/powerpc/eeh/eeh-vf-aware.sh | 2 +- > tools/testing/selftests/zram/zram_lib.sh | 2 +- > 6 files changed, 14 insertions(+), 14 deletions(-) > > diff --git a/tools/testing/selftests/cgroup/test_cpuset_v1_hp.sh b/tools/testing/selftests/cgroup/test_cpuset_v1_hp.sh > index 3f45512fb512..00416248670f 100755 > --- a/tools/testing/selftests/cgroup/test_cpuset_v1_hp.sh > +++ b/tools/testing/selftests/cgroup/test_cpuset_v1_hp.sh > @@ -11,24 +11,24 @@ skip_test() { > exit 4 # ksft_skip > } > > -[[ $(id -u) -eq 0 ]] || skip_test "Test must be run as root!" > +[ $(id -u) -eq 0 ] || skip_test "Test must be run as root!" > > # Find cpuset v1 mount point > CPUSET=$(mount -t cgroup | grep cpuset | head -1 | awk -e '{print $3}') > -[[ -n "$CPUSET" ]] || skip_test "cpuset v1 mount point not found!" > +[ -n "$CPUSET" ] || skip_test "cpuset v1 mount point not found!" > > # > # Create a test cpuset, put a CPU and a task there and offline that CPU > # > TDIR=test$$ > -[[ -d $CPUSET/$TDIR ]] || mkdir $CPUSET/$TDIR > +[ -d $CPUSET/$TDIR ] || mkdir $CPUSET/$TDIR > echo 1 > $CPUSET/$TDIR/cpuset.cpus > echo 0 > $CPUSET/$TDIR/cpuset.mems > sleep 10& > TASK=$! > echo $TASK > $CPUSET/$TDIR/tasks > NEWCS=$(cat /proc/$TASK/cpuset) > -[[ $NEWCS != "/$TDIR" ]] && { > +[ $NEWCS != "/$TDIR" ] && { > echo "Unexpected cpuset $NEWCS, test FAILED!" > exit 1 > } > @@ -38,7 +38,7 @@ sleep 0.5 > echo 1 > /sys/devices/system/cpu/cpu1/online > NEWCS=$(cat /proc/$TASK/cpuset) > rmdir $CPUSET/$TDIR > -[[ $NEWCS != "/" ]] && { > +[ $NEWCS != "/" ] && { > echo "cpuset $NEWCS, test FAILED!" > exit 1 > } test_cpuset_v1_hp.sh had been changed to use /bin/bash in v6.14 by commit fd079124112c ("selftests/cgroup: use bash in test_cpuset_v1_hp.sh"). Cheers, Longman