[PATCH RFC v2 14/15] hazptrtorture: add 128- and 256-CPU configs

[Kunwu Chan]

Add CPU128 and CPU256 configs for hazptr-stack torture testing.

These configs exercise the shared-scan path at larger CPU counts.

Signed-off-by: Kunwu Chan <kunwu.chan@xxxxxxxxx>
---
 .../selftests/rcutorture/configs/hazptr/CFLIST   |  2 ++
 .../selftests/rcutorture/configs/hazptr/CPU128   | 16 ++++++++++++++++
 .../rcutorture/configs/hazptr/CPU128.boot        |  1 +
 .../selftests/rcutorture/configs/hazptr/CPU256   | 16 ++++++++++++++++
 .../rcutorture/configs/hazptr/CPU256.boot        |  1 +
 5 files changed, 36 insertions(+)
 create mode 100644 tools/testing/selftests/rcutorture/configs/hazptr/CPU128
 create mode 100644 tools/testing/selftests/rcutorture/configs/hazptr/CPU128.boot
 create mode 100644 tools/testing/selftests/rcutorture/configs/hazptr/CPU256
 create mode 100644 tools/testing/selftests/rcutorture/configs/hazptr/CPU256.boot

diff --git a/tools/testing/selftests/rcutorture/configs/hazptr/CFLIST b/tools/testing/selftests/rcutorture/configs/hazptr/CFLIST
index 1826be30c066..90ef09b0e654 100644
--- a/tools/testing/selftests/rcutorture/configs/hazptr/CFLIST
+++ b/tools/testing/selftests/rcutorture/configs/hazptr/CFLIST
@@ -4,3 +4,5 @@ READERS0
 READERS4
 SLOWPATH
 LOCKDEP
+CPU128
+CPU256
diff --git a/tools/testing/selftests/rcutorture/configs/hazptr/CPU128 b/tools/testing/selftests/rcutorture/configs/hazptr/CPU128
new file mode 100644
index 000000000000..079b463607e8
--- /dev/null
+++ b/tools/testing/selftests/rcutorture/configs/hazptr/CPU128
@@ -0,0 +1,16 @@
+CONFIG_SMP=y
+CONFIG_NR_CPUS=128
+CONFIG_PREEMPT_NONE=n
+CONFIG_PREEMPT_VOLUNTARY=n
+CONFIG_PREEMPT=y
+CONFIG_HZ_PERIODIC=n
+CONFIG_NO_HZ_IDLE=y
+CONFIG_NO_HZ_FULL=n
+CONFIG_HOTPLUG_CPU=y
+CONFIG_SUSPEND=n
+CONFIG_HIBERNATION=n
+CONFIG_DEBUG_LOCK_ALLOC=n
+CONFIG_PROVE_LOCKING=n
+CONFIG_DEBUG_OBJECTS_RCU_HEAD=n
+CONFIG_DEBUG_KERNEL=y
+CONFIG_HAZPTR_DEBUG=y
diff --git a/tools/testing/selftests/rcutorture/configs/hazptr/CPU128.boot b/tools/testing/selftests/rcutorture/configs/hazptr/CPU128.boot
new file mode 100644
index 000000000000..1d09a6446080
--- /dev/null
+++ b/tools/testing/selftests/rcutorture/configs/hazptr/CPU128.boot
@@ -0,0 +1 @@
+hazptrtorture.torture_type=hazptr-stack
diff --git a/tools/testing/selftests/rcutorture/configs/hazptr/CPU256 b/tools/testing/selftests/rcutorture/configs/hazptr/CPU256
new file mode 100644
index 000000000000..b00a984977f3
--- /dev/null
+++ b/tools/testing/selftests/rcutorture/configs/hazptr/CPU256
@@ -0,0 +1,16 @@
+CONFIG_SMP=y
+CONFIG_NR_CPUS=256
+CONFIG_PREEMPT_NONE=n
+CONFIG_PREEMPT_VOLUNTARY=n
+CONFIG_PREEMPT=y
+CONFIG_HZ_PERIODIC=n
+CONFIG_NO_HZ_IDLE=y
+CONFIG_NO_HZ_FULL=n
+CONFIG_HOTPLUG_CPU=y
+CONFIG_SUSPEND=n
+CONFIG_HIBERNATION=n
+CONFIG_DEBUG_LOCK_ALLOC=n
+CONFIG_PROVE_LOCKING=n
+CONFIG_DEBUG_OBJECTS_RCU_HEAD=n
+CONFIG_DEBUG_KERNEL=y
+CONFIG_HAZPTR_DEBUG=y
diff --git a/tools/testing/selftests/rcutorture/configs/hazptr/CPU256.boot b/tools/testing/selftests/rcutorture/configs/hazptr/CPU256.boot
new file mode 100644
index 000000000000..1d09a6446080
--- /dev/null
+++ b/tools/testing/selftests/rcutorture/configs/hazptr/CPU256.boot
@@ -0,0 +1 @@
+hazptrtorture.torture_type=hazptr-stack
-- 
2.43.0