torture: Allow variations of "defconfig" to be specified

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@linux.vnet.ibm.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>

2 files changed, 9 insertions, 1 deletions

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/" \