Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/tools/memory-model/scripts/parseargs.sh b/tools/memory-model/scripts/parseargs.sh
new file mode 100755
index 0000000..40f5208
--- /dev/null
+++ b/tools/memory-model/scripts/parseargs.sh
@@ -0,0 +1,136 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0+
+#
+# the corresponding .litmus.out file, and does not judge the result.
+#
+# . scripts/parseargs.sh
+#
+# Include into other Linux kernel tools/memory-model scripts.
+#
+# Copyright IBM Corporation, 2018
+#
+# Author: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
+
+T=/tmp/parseargs.sh.$$
+mkdir $T
+
+# Initialize one parameter: initparam name default
+initparam () {
+ echo if test -z '"$'$1'"' > $T/s
+ echo then >> $T/s
+ echo $1='"'$2'"' >> $T/s
+ echo export $1 >> $T/s
+ echo fi >> $T/s
+ echo $1_DEF='$'$1 >> $T/s
+ . $T/s
+}
+
+initparam LKMM_DESTDIR "."
+initparam LKMM_HERD_OPTIONS "-conf linux-kernel.cfg"
+initparam LKMM_JOBS `getconf _NPROCESSORS_ONLN`
+initparam LKMM_PROCS "3"
+initparam LKMM_TIMEOUT "1m"
+
+scriptname=$0
+
+usagehelp () {
+ echo "Usage $scriptname [ arguments ]"
+ echo " --destdir path (place for .litmus.out, default by .litmus)"
+ echo " --herdopts -conf linux-kernel.cfg ..."
+ echo " --jobs N (number of jobs, default one per CPU)"
+ echo " --procs N (litmus tests with at most this many processes)"
+ echo " --timeout N (herd7 timeout (e.g., 10s, 1m, 2hr, 1d, '')"
+ echo "Defaults: --destdir '$LKMM_DESTDIR_DEF' --herdopts '$LKMM_HERD_OPTIONS_DEF' --jobs '$LKMM_JOBS_DEF' --procs '$LKMM_PROCS_DEF' --timeout '$LKMM_TIMEOUT_DEF'"
+ exit 1
+}
+
+usage () {
+ usagehelp 1>&2
+}
+
+# checkarg --argname argtype $# arg mustmatch cannotmatch
+checkarg () {
+ if test $3 -le 1
+ then
+ echo $1 needs argument $2 matching \"$5\"
+ usage
+ fi
+ if echo "$4" | grep -q -e "$5"
+ then
+ :
+ else
+ echo $1 $2 \"$4\" must match \"$5\"
+ usage
+ fi
+ if echo "$4" | grep -q -e "$6"
+ then
+ echo $1 $2 \"$4\" must not match \"$6\"
+ usage
+ fi
+}
+
+while test $# -gt 0
+do
+ case "$1" in
+ --destdir)
+ checkarg --destdir "(path to directory)" "$#" "$2" '.\+' '^--'
+ LKMM_DESTDIR="$2"
+ mkdir $LKMM_DESTDIR > /dev/null 2>&1
+ if ! test -e "$LKMM_DESTDIR"
+ then
+ echo "Cannot create directory --destdir '$LKMM_DESTDIR'"
+ usage
+ fi
+ if test -d "$LKMM_DESTDIR" -a -w "$LKMM_DESTDIR" -a -x "$LKMM_DESTDIR"
+ then
+ :
+ else
+ echo "Directory --destdir '$LKMM_DESTDIR' insufficient permissions to create files"
+ usage
+ fi
+ shift
+ ;;
+ --herdopts|--herdopt)
+ checkarg --destdir "(herd7 options)" "$#" "$2" '.*' '^--'
+ LKMM_HERD_OPTIONS="$2"
+ shift
+ ;;
+ -j[1-9]*)
+ njobs="`echo $1 | sed -e 's/^-j//'`"
+ trailchars="`echo $njobs | sed -e 's/[0-9]\+\(.*\)$/\1/'`"
+ if test -n "$trailchars"
+ then
+ echo $1 trailing characters "'$trailchars'"
+ usagehelp
+ fi
+ LKMM_JOBS="`echo $njobs | sed -e 's/^\([0-9]\+\).*$/\1/'`"
+ ;;
+ --jobs|--job|-j)
+ checkarg --jobs "(number)" "$#" "$2" '^[1-9][0-9]\+$' '^--'
+ LKMM_JOBS="$2"
+ shift
+ ;;
+ --procs|--proc)
+ checkarg --procs "(number)" "$#" "$2" '^[0-9]\+$' '^--'
+ LKMM_PROCS="$2"
+ shift
+ ;;
+ --timeout)
+ checkarg --timeout "(timeout spec)" "$#" "$2" '^\([0-9]\+[smhd]\?\|\)$' '^--'
+ LKMM_TIMEOUT="$2"
+ shift
+ ;;
+ *)
+ echo Unknown argument $1
+ usage
+ ;;
+ esac
+ shift
+done
+if test -z "$LKMM_TIMEOUT"
+then
+ LKMM_TIMEOUT_CMD=""; export LKMM_TIMEOUT_CMD
+else
+ LKMM_TIMEOUT_CMD="timeout $LKMM_TIMEOUT"; export LKMM_TIMEOUT_CMD
+fi
+rm -rf $T