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Message-ID: <cf646450-c908-519b-f07a-b51c3946ad7f@loongson.cn>
Date: Mon, 21 Nov 2022 11:02:07 +0800
From: Tiezhu Yang <yangtiezhu@...ngson.cn>
To: Akira Yokosawa <akiyks@...il.com>,
"Paul E. McKenney" <paulmck@...nel.org>
Cc: linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org,
Alan Stern <stern@...land.harvard.edu>,
Andrea Parri <parri.andrea@...il.com>,
Will Deacon <will@...nel.org>,
Peter Zijlstra <peterz@...radead.org>,
Boqun Feng <boqun.feng@...il.com>,
Nicholas Piggin <npiggin@...il.com>,
David Howells <dhowells@...hat.com>,
Jade Alglave <j.alglave@....ac.uk>,
Luc Maranget <luc.maranget@...ia.fr>,
Daniel Lustig <dlustig@...dia.com>,
Joel Fernandes <joel@...lfernandes.org>
Subject: Re: [PATCH] tools/memory-model: Use "grep -E" instead of "egrep"
On 11/20/2022 07:19 PM, Akira Yokosawa wrote:
> On Sat, 19 Nov 2022 10:13:18 +0800, Tiezhu Yang wrote:
>> The latest version of grep claims the egrep is now obsolete so the build
>> now contains warnings that look like:
>> egrep: warning: egrep is obsolescent; using grep -E
>> fix this up by moving the related file to use "grep -E" instead.
>>
>> sed -i "s/egrep/grep -E/g" `grep egrep -rwl tools/memory-model`
>>
>> Here are the steps to install the latest grep:
>>
>> wget http://ftp.gnu.org/gnu/grep/grep-3.8.tar.gz
>> tar xf grep-3.8.tar.gz
>> cd grep-3.8 && ./configure && make
>> sudo make install
>> export PATH=/usr/local/bin:$PATH
>>
>> Signed-off-by: Tiezhu Yang <yangtiezhu@...ngson.cn>
>> ---
>> tools/memory-model/scripts/checkghlitmus.sh | 4 ++--
>> 1 file changed, 2 insertions(+), 2 deletions(-)
>>
>> diff --git a/tools/memory-model/scripts/checkghlitmus.sh b/tools/memory-model/scripts/checkghlitmus.sh
>> index 6589fbb..f72816a 100755
>> --- a/tools/memory-model/scripts/checkghlitmus.sh
>> +++ b/tools/memory-model/scripts/checkghlitmus.sh
>> @@ -35,13 +35,13 @@ fi
>> # Create a list of the C-language litmus tests previously run.
>> ( cd $LKMM_DESTDIR; find litmus -name '*.litmus.out' -print ) |
>> sed -e 's/\.out$//' |
>> - xargs -r egrep -l '^ \* Result: (Never|Sometimes|Always|DEADLOCK)' |
>> + xargs -r grep -E -l '^ \* Result: (Never|Sometimes|Always|DEADLOCK)' |
>> xargs -r grep -L "^P${LKMM_PROCS}"> $T/list-C-already
>>
>> # Create a list of C-language litmus tests with "Result:" commands and
>> # no more than the specified number of processes.
>> find litmus -name '*.litmus' -exec grep -l -m 1 "^C " {} \; > $T/list-C
>> -xargs < $T/list-C -r egrep -l '^ \* Result: (Never|Sometimes|Always|DEADLOCK)' > $T/list-C-result
>> +xargs < $T/list-C -r grep -E -l '^ \* Result: (Never|Sometimes|Always|DEADLOCK)' > $T/list-C-result
>> xargs < $T/list-C-result -r grep -L "^P${LKMM_PROCS}" > $T/list-C-result-short
>>
>> # Form list of tests without corresponding .litmus.out files
>
> Looks good to me.
>
> Reviewed-by: Akira Yokosawa <akiyks@...il.com>
>
> Paul, JFYI, this patch doesn't apply cleanly on -rcu dev due to
> a couple of changes in the lkmm-dev.2022.10.18c branch.
>
> Thanks, Akira
>
Hi Akira,
Thanks for your review, sorry for that, let me rebase on
linux-rcu.git dev and send v2 later.
Thanks,
Tiezhu
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