linux-kernel - Re: [PATCH tip/core/rcu 07/45] torture: Allow variations of "defconfig" to be specified

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Message-ID: <20140507212219.GC27924@cloud>
Date:	Wed, 7 May 2014 14:22:19 -0700
From:	josh@...htriplett.org
To:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Cc:	linux-kernel@...r.kernel.org, mingo@...nel.org,
	laijs@...fujitsu.com, dipankar@...ibm.com,
	akpm@...ux-foundation.org, mathieu.desnoyers@...icios.com,
	niv@...ibm.com, tglx@...utronix.de, peterz@...radead.org,
	rostedt@...dmis.org, dhowells@...hat.com, edumazet@...gle.com,
	darren@...art.com, fweisbec@...il.com, oleg@...hat.com, sbw@....edu
Subject: Re: [PATCH tip/core/rcu 07/45] torture: Allow variations of
 "defconfig" to be specified

On Mon, Apr 28, 2014 at 05:24:55PM -0700, Paul E. McKenney wrote:
> From: "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
> 
> Some environments require some variation on "make defconfig" to initialize
> the .config file.  This commit therefore adds a --defconfig argument to
> allow this to be specified.  The default value is of course "defconfig".
> 
> Signed-off-by: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>

<bikeshed color="blue">
"--defconfig randconfig" or "--defconfig allyesconfig" or similar seems
rather odd; how about calling it --kconfig or similar?
</bikeshed>

>  tools/testing/selftests/rcutorture/bin/configinit.sh | 2 +-
>  tools/testing/selftests/rcutorture/bin/kvm.sh        | 8 ++++++++
>  2 files changed, 9 insertions(+), 1 deletion(-)
> 
> diff --git a/tools/testing/selftests/rcutorture/bin/configinit.sh b/tools/testing/selftests/rcutorture/bin/configinit.sh
> index a1be6e62add1..9c3f3d39b934 100755
> --- a/tools/testing/selftests/rcutorture/bin/configinit.sh
> +++ b/tools/testing/selftests/rcutorture/bin/configinit.sh
> @@ -62,7 +62,7 @@ grep '^grep' < $T/u.sh > $T/upd.sh
>  echo "cat - $c" >> $T/upd.sh
>  make mrproper
>  make $buildloc distclean > $builddir/Make.distclean 2>&1
> -make $buildloc defconfig > $builddir/Make.defconfig.out 2>&1
> +make $buildloc $TORTURE_DEFCONFIG > $builddir/Make.defconfig.out 2>&1
>  mv $builddir/.config $builddir/.config.sav
>  sh $T/upd.sh < $builddir/.config.sav > $builddir/.config
>  cp $builddir/.config $builddir/.config.new
> diff --git a/tools/testing/selftests/rcutorture/bin/kvm.sh b/tools/testing/selftests/rcutorture/bin/kvm.sh
> index a52a077ee258..59945b7793d9 100644
> --- a/tools/testing/selftests/rcutorture/bin/kvm.sh
> +++ b/tools/testing/selftests/rcutorture/bin/kvm.sh
> @@ -38,6 +38,7 @@ dur=30
>  dryrun=""
>  KVM="`pwd`/tools/testing/selftests/rcutorture"; export KVM
>  PATH=${KVM}/bin:$PATH; export PATH
> +TORTURE_DEFCONFIG=defconfig
>  TORTURE_INITRD="$KVM/initrd"; export TORTURE_INITRD
>  RCU_KMAKE_ARG=""; export RCU_KMAKE_ARG
>  TORTURE_SUITE=rcu
> @@ -56,6 +57,7 @@ usage () {
>  	echo "       --configs \"config-file list\""
>  	echo "       --cpus N"
>  	echo "       --datestamp string"
> +	echo "       --defconfig string"
>  	echo "       --dryrun sched|script"
>  	echo "       --duration minutes"
>  	echo "       --interactive"
> @@ -96,6 +98,11 @@ do
>  		ds=$2
>  		shift
>  		;;
> +	--defconfig)
> +		checkarg --defconfig "defconfigtype" "$#" "$2" '^[^/][^/]*$' '^--'
> +		TORTURE_DEFCONFIG=$2
> +		shift
> +		;;
>  	--dryrun)
>  		checkarg --dryrun "sched|script" $# "$2" 'sched\|script' '^--'
>  		dryrun=$2
> @@ -259,6 +266,7 @@ END {
>  # Generate a script to execute the tests in appropriate batches.
>  cat << ___EOF___ > $T/script
>  TORTURE_SUITE="$TORTURE_SUITE"; export TORTURE_SUITE
> +TORTURE_DEFCONFIG="$TORTURE_DEFCONFIG"; export TORTURE_DEFCONFIG
>  ___EOF___
>  awk < $T/cfgcpu.pack \
>  	-v CONFIGDIR="$CONFIGFRAG/$kversion/" \
> -- 
> 1.8.1.5
> 
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