linux-kernel - [PATCH tip/core/rcu 09/20] torture: Make kvm.sh arguments accumulate

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Message-Id: <20210106172607.22816-9-paulmck@kernel.org>
Date:   Wed,  6 Jan 2021 09:25:56 -0800
From:   paulmck@...nel.org
To:     rcu@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, kernel-team@...com, mingo@...nel.org,
        jiangshanlai@...il.com, akpm@...ux-foundation.org,
        mathieu.desnoyers@...icios.com, josh@...htriplett.org,
        tglx@...utronix.de, peterz@...radead.org, rostedt@...dmis.org,
        dhowells@...hat.com, edumazet@...gle.com, fweisbec@...il.com,
        oleg@...hat.com, joel@...lfernandes.org,
        "Paul E. McKenney" <paulmck@...nel.org>
Subject: [PATCH tip/core/rcu 09/20] torture: Make kvm.sh arguments accumulate

From: "Paul E. McKenney" <paulmck@...nel.org>

Given that kvm.sh in invoked from scripts, it is only natural for
different levels of scripting to provide their own Kconfig option values,
for example.  Unfortunately, right now, the last such argument on the
command line wins.

This commit therefore makes the --bootargs, --configs, --kconfigs,
--kmake-args, and --qemu-args argument values accumulate.  For example,
where "--configs TREE01 --configs TREE02" would previously have run only
scenario TREE02, now it will run both scenarios.

Signed-off-by: Paul E. McKenney <paulmck@...nel.org>
---
 tools/testing/selftests/rcutorture/bin/kvm.sh | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/tools/testing/selftests/rcutorture/bin/kvm.sh b/tools/testing/selftests/rcutorture/bin/kvm.sh
index c8356d5..6fd7ef7 100755
--- a/tools/testing/selftests/rcutorture/bin/kvm.sh
+++ b/tools/testing/selftests/rcutorture/bin/kvm.sh
@@ -85,7 +85,7 @@ do
 		;;
 	--bootargs|--bootarg)
 		checkarg --bootargs "(list of kernel boot arguments)" "$#" "$2" '.*' '^--'
-		TORTURE_BOOTARGS="$2"
+		TORTURE_BOOTARGS="$TORTURE_BOOTARGS $2"
 		shift
 		;;
 	--bootimage)
@@ -97,8 +97,8 @@ do
 		TORTURE_BUILDONLY=1
 		;;
 	--configs|--config)
-		checkarg --configs "(list of config files)" "$#" "$2" '^[^/]*$' '^--'
-		configs="$2"
+		checkarg --configs "(list of config files)" "$#" "$2" '^[^/]\+$' '^--'
+		configs="$configs $2"
 		shift
 		;;
 	--cpus)
@@ -162,7 +162,7 @@ do
 		;;
 	--kconfig|--kconfigs)
 		checkarg --kconfig "(Kconfig options)" $# "$2" '^CONFIG_[A-Z0-9_]\+=\([ynm]\|[0-9]\+\)\( CONFIG_[A-Z0-9_]\+=\([ynm]\|[0-9]\+\)\)*$' '^error$'
-		TORTURE_KCONFIG_ARG="$2"
+		TORTURE_KCONFIG_ARG="`echo "$TORTURE_KCONFIG_ARG $2" | sed -e 's/^ *//' -e 's/ *$//'`"
 		shift
 		;;
 	--kasan)
@@ -173,7 +173,7 @@ do
 		;;
 	--kmake-arg|--kmake-args)
 		checkarg --kmake-arg "(kernel make arguments)" $# "$2" '.*' '^error$'
-		TORTURE_KMAKE_ARG="$2"
+		TORTURE_KMAKE_ARG="`echo "$TORTURE_KMAKE_ARG $2" | sed -e 's/^ *//' -e 's/ *$//'`"
 		shift
 		;;
 	--mac)
@@ -191,7 +191,7 @@ do
 		;;
 	--qemu-args|--qemu-arg)
 		checkarg --qemu-args "(qemu arguments)" $# "$2" '^-' '^error'
-		TORTURE_QEMU_ARG="$2"
+		TORTURE_QEMU_ARG="`echo "$TORTURE_QEMU_ARG $2" | sed -e 's/^ *//' -e 's/ *$//'`"
 		shift
 		;;
 	--qemu-cmd)
-- 
2.9.5