rcutorture: Add per-version default Kconfig fragments and module parameters

Different Kconfig parameters apply to different kernel versions, as
do different rcutorture module parameters.  This commit allows the
rcutorture test scripts to adjust for different kernel versions.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Greg KH <gregkh@linuxfoundation.org>

1 files changed, 3 insertions, 4 deletions

diff --git a/tools/testing/selftests/rcutorture/bin/functions.sh b/tools/testing/selftests/rcutorture/bin/functions.sh
index db1c32acdcf6..d4c15f81cd27 100644
--- a/tools/testing/selftests/rcutorture/bin/functions.sh
+++ b/tools/testing/selftests/rcutorture/bin/functions.sh
@@ -32,11 +32,10 @@ bootparam_hotplug_cpu () {
 #
 # Returns 1 if the config fragment specifies hotplug CPU.
 configfrag_hotplug_cpu () {
-        cf=$1
-        if test ! -r $cf
+        if test ! -r "$1"
         then
-                echo Unreadable config fragment $cf 1>&2
+                echo Unreadable config fragment "$1" 1>&2
                 exit -1
         fi
-        grep -q '^CONFIG_HOTPLUG_CPU=y$' $cf
+        grep -q '^CONFIG_HOTPLUG_CPU=y$' "$1"
 }