From: "Paul E. McKenney" <paul...@linux.vnet.ibm.com>
Some Kconfig fragments require rcutorture module parameters to
do optimal testing, for example, a configuration for SRCU would
need rcutorture.torture_type=srcu. This commit therefore adds a
per-Kconfig-fragment boot-parameter capability.
Signed-off-by: Paul E. McKenney <paul...@linux.vnet.ibm.com>
Cc: Greg KH <gre...@linuxfoundation.org>
---
tools/testing/selftests/rcutorture/bin/functions.sh | 12 ++++++++++++
tools/testing/selftests/rcutorture/bin/kvm-test-1-rcu.sh | 2 ++
2 files changed, 14 insertions(+)
diff --git a/tools/testing/selftests/rcutorture/bin/functions.sh
b/tools/testing/selftests/rcutorture/bin/functions.sh
index d4c15f81cd27..8f912419ed7f 100644
--- a/tools/testing/selftests/rcutorture/bin/functions.sh
+++ b/tools/testing/selftests/rcutorture/bin/functions.sh
@@ -28,6 +28,18 @@ bootparam_hotplug_cpu () {
echo "$1" | grep -q "rcutorture\.onoff_"
}
+# configfrag_boot_params bootparam-string config-fragment-file
+#
+# Adds boot parameters from the .boot file, if any.
+configfrag_boot_params () {
+ if test -r "$2.boot"
+ then
+ echo $1 `grep -v '^#' "$2.boot" | tr '\012' ' '`
+ else
+ echo $1
+ fi
+}
+
# configfrag_hotplug_cpu config-fragment-file
#
# Returns 1 if the config fragment specifies hotplug CPU.
diff --git a/tools/testing/selftests/rcutorture/bin/kvm-test-1-rcu.sh
b/tools/testing/selftests/rcutorture/bin/kvm-test-1-rcu.sh
index 0a3f037a8bb3..618aa4d766d3 100755
--- a/tools/testing/selftests/rcutorture/bin/kvm-test-1-rcu.sh
+++ b/tools/testing/selftests/rcutorture/bin/kvm-test-1-rcu.sh
@@ -137,6 +137,8 @@ fi
boot_args="`rcutorture_param_onoff "$boot_args" $builddir/.config`"
# Generate rcu_barrier() boot parameter
boot_args="`rcutorture_param_n_barrier_cbs "$boot_args"`"
+# Pull in Kconfig-fragment boot parameters
+boot_args="`configfrag_boot_params "$boot_args" "$config_template"`"
echo $QEMU -name rcu-test -serial file:$builddir/console.log $qemu_args -m 512
-kernel $builddir/arch/x86/boot/bzImage -append \"noapic selinux=0
console=ttyS0 initcall_debug debug rcutorture.stat_interval=15
rcutorture.shutdown_secs=$seconds rcutorture.rcutorture_runnable=1 $boot_args\"
> $resdir/qemu-cmd
$QEMU -name rcu-test -serial file:$builddir/console.log $qemu_args -m 512
-kernel $builddir/arch/x86/boot/bzImage -append "noapic selinux=0 console=ttyS0
initcall_debug debug rcutorture.stat_interval=15
rcutorture.shutdown_secs=$seconds rcutorture.rcutorture_runnable=1 $boot_args" &
--
1.8.1.5
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