linux-kernel - [PATCH V3] rcutorture: Add CFcommon.arch for the various arch's need

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Date: Wed, 12 Jun 2024 01:35:27 +0000
From: Zhouyi Zhou <zhouzhouyi@...il.com>
To: paulmck@...nel.org,
	linux-kernel@...r.kernel.org,
	rcu@...r.kernel.org,
	linux-kselftest@...r.kernel.org,
	lance@...osl.org
Cc: Zhouyi Zhou <zhouzhouyi@...il.com>
Subject: [PATCH V3] rcutorture: Add CFcommon.arch for the various arch's need

Add CFcommon.arch for the various arch's need for rcutorture.

According to [1] and [2], this patch
Fixes: a6fda6dab93c ("rcutorture: Tweak kvm options") by moving
x86 specific kernel option CONFIG_HYPERVISOR_GUEST to CFcommon.arch

The patch has been revised and improved under
Paul E. McKenney's guidance [3].

[1] https://lore.kernel.org/all/20240427005626.1365935-1-zhouzhouyi@gmail.com/
[2] https://lore.kernel.org/all/059d36ce-6453-42be-a31e-895abd35d590@paulmck-laptop/
[3] https://lore.kernel.org/lkml/cd3709dc-2c08-4ac2-a19b-d8edb66195e3@paulmck-laptop/T/

Tested in x86_64 and PPC VM of Open Source Lab of Oregon State University.

Signed-off-by: Zhouyi Zhou <zhouzhouyi@...il.com>
---
 tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh       | 2 ++
 tools/testing/selftests/rcutorture/configs/rcu/CFcommon        | 1 -
 tools/testing/selftests/rcutorture/configs/rcu/CFcommon.i686   | 1 +
 tools/testing/selftests/rcutorture/configs/rcu/CFcommon.x86_64 | 1 +
 4 files changed, 4 insertions(+), 1 deletion(-)
 create mode 100644 tools/testing/selftests/rcutorture/configs/rcu/CFcommon.i686
 create mode 100644 tools/testing/selftests/rcutorture/configs/rcu/CFcommon.x86_64

diff --git a/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh b/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh
index b33cd8753689..ad79784e552d 100755
--- a/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh
+++ b/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh
@@ -68,6 +68,8 @@ config_override_param "--gdb options" KcList "$TORTURE_KCONFIG_GDB_ARG"
 config_override_param "--kasan options" KcList "$TORTURE_KCONFIG_KASAN_ARG"
 config_override_param "--kcsan options" KcList "$TORTURE_KCONFIG_KCSAN_ARG"
 config_override_param "--kconfig argument" KcList "$TORTURE_KCONFIG_ARG"
+config_override_param "$config_dir/CFcommon.$(uname -m)" KcList \
+		      "`cat $config_dir/CFcommon.$(uname -m) 2> /dev/null`"
 cp $T/KcList $resdir/ConfigFragment
 
 base_resdir=`echo $resdir | sed -e 's/\.[0-9]\+$//'`
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/CFcommon b/tools/testing/selftests/rcutorture/configs/rcu/CFcommon
index 0e92d85313aa..cf0387ae5358 100644
--- a/tools/testing/selftests/rcutorture/configs/rcu/CFcommon
+++ b/tools/testing/selftests/rcutorture/configs/rcu/CFcommon
@@ -1,6 +1,5 @@
 CONFIG_RCU_TORTURE_TEST=y
 CONFIG_PRINTK_TIME=y
-CONFIG_HYPERVISOR_GUEST=y
 CONFIG_PARAVIRT=y
 CONFIG_KVM_GUEST=y
 CONFIG_KCSAN_ASSUME_PLAIN_WRITES_ATOMIC=n
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/CFcommon.i686 b/tools/testing/selftests/rcutorture/configs/rcu/CFcommon.i686
new file mode 100644
index 000000000000..2770560d56a0
--- /dev/null
+++ b/tools/testing/selftests/rcutorture/configs/rcu/CFcommon.i686
@@ -0,0 +1 @@
+CONFIG_HYPERVISOR_GUEST=y
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/CFcommon.x86_64 b/tools/testing/selftests/rcutorture/configs/rcu/CFcommon.x86_64
new file mode 100644
index 000000000000..2770560d56a0
--- /dev/null
+++ b/tools/testing/selftests/rcutorture/configs/rcu/CFcommon.x86_64
@@ -0,0 +1 @@
+CONFIG_HYPERVISOR_GUEST=y
-- 
2.25.1