As of v7.0-rc1, architectures that support preemption, including x86 and
arm64, no longer support CONFIG_PREEMPT_NONE or CONFIG_PREEMPT_VOLUNTARY.
Attempting to build kernels with these two Kconfig options results in
.config errors. This commit therefore switches such rcutorture scenarios
to CONFIG_PREEMPT_LAZY.
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Reviewed-by: Joel Fernandes <joelagnelf@nvidia.com>
Signed-off-by: Boqun Feng <boqun@kernel.org>
Link: https://patch.msgid.link/bfe89f6c-3b63-40c6-aa6d-5f523e3e9a31@paulmck-laptop
12 files changed:
CONFIG_SMP=y
CONFIG_NR_CPUS=4
CONFIG_HOTPLUG_CPU=y
-CONFIG_PREEMPT_NONE=y
+CONFIG_PREEMPT_DYNAMIC=n
+CONFIG_PREEMPT_LAZY=y
+CONFIG_PREEMPT_NONE=n
CONFIG_PREEMPT_VOLUNTARY=n
CONFIG_PREEMPT=n
#CHECK#CONFIG_RCU_EXPERT=n
CONFIG_SMP=n
-CONFIG_PREEMPT_NONE=y
+CONFIG_PREEMPT_LAZY=y
+CONFIG_PREEMPT_NONE=n
CONFIG_PREEMPT_VOLUNTARY=n
CONFIG_PREEMPT=n
CONFIG_PREEMPT_DYNAMIC=n
CONFIG_SMP=n
-CONFIG_PREEMPT_NONE=y
+CONFIG_PREEMPT_LAZY=y
+CONFIG_PREEMPT_NONE=n
CONFIG_PREEMPT_VOLUNTARY=n
CONFIG_PREEMPT=n
CONFIG_PREEMPT_DYNAMIC=n
CONFIG_RCU_TRACE=n
CONFIG_DEBUG_LOCK_ALLOC=n
CONFIG_DEBUG_OBJECTS_RCU_HEAD=n
-CONFIG_PREEMPT_COUNT=n
CONFIG_SMP=n
-CONFIG_PREEMPT_NONE=y
+CONFIG_PREEMPT_LAZY=y
+CONFIG_PREEMPT_NONE=n
CONFIG_PREEMPT_VOLUNTARY=n
CONFIG_PREEMPT=n
CONFIG_PREEMPT_DYNAMIC=n
CONFIG_SMP=n
-CONFIG_PREEMPT_NONE=y
+CONFIG_PREEMPT_LAZY=y
+CONFIG_PREEMPT_NONE=n
CONFIG_PREEMPT_VOLUNTARY=n
CONFIG_PREEMPT=n
CONFIG_PREEMPT_DYNAMIC=n
#CHECK#CONFIG_RCU_STALL_COMMON=n
CONFIG_DEBUG_LOCK_ALLOC=n
CONFIG_DEBUG_OBJECTS_RCU_HEAD=n
-CONFIG_PREEMPT_COUNT=n
CONFIG_SMP=n
-CONFIG_PREEMPT_NONE=y
+CONFIG_PREEMPT_LAZY=y
+CONFIG_PREEMPT_NONE=n
CONFIG_PREEMPT_VOLUNTARY=n
CONFIG_PREEMPT=n
CONFIG_PREEMPT_DYNAMIC=n
CONFIG_SMP=y
CONFIG_NR_CPUS=5
CONFIG_HOTPLUG_CPU=y
-CONFIG_PREEMPT_NONE=y
+CONFIG_PREEMPT_LAZY=y
+CONFIG_PREEMPT_NONE=n
CONFIG_PREEMPT_VOLUNTARY=n
CONFIG_PREEMPT=n
CONFIG_PREEMPT_DYNAMIC=n
CONFIG_SMP=y
CONFIG_NR_CPUS=8
+CONFIG_PREEMPT_LAZY=y
CONFIG_PREEMPT_NONE=n
-CONFIG_PREEMPT_VOLUNTARY=y
+CONFIG_PREEMPT_VOLUNTARY=n
CONFIG_PREEMPT=n
CONFIG_PREEMPT_DYNAMIC=n
#CHECK#CONFIG_TREE_RCU=y
+#CHECK#CONFIG_PREEMPT_RCU=n
CONFIG_HZ_PERIODIC=n
CONFIG_NO_HZ_IDLE=n
CONFIG_NO_HZ_FULL=y
CONFIG_SMP=y
CONFIG_NR_CPUS=8
-CONFIG_PREEMPT_NONE=y
+CONFIG_PREEMPT_DYNAMIC=n
+CONFIG_PREEMPT_LAZY=y
+CONFIG_PREEMPT_NONE=n
CONFIG_PREEMPT_VOLUNTARY=n
CONFIG_PREEMPT=n
#CHECK#CONFIG_TREE_RCU=y
CONFIG_SMP=y
CONFIG_NR_CPUS=8
-CONFIG_PREEMPT_NONE=y
+CONFIG_PREEMPT_DYNAMIC=n
+CONFIG_PREEMPT_LAZY=y
+CONFIG_PREEMPT_NONE=n
CONFIG_PREEMPT_VOLUNTARY=n
CONFIG_PREEMPT=n
#CHECK#CONFIG_TREE_RCU=y
+#CHECK#CONFIG_PREEMPT_RCU=n
CONFIG_HZ_PERIODIC=n
CONFIG_NO_HZ_IDLE=y
CONFIG_NO_HZ_FULL=n
CONFIG_PREEMPT=n
CONFIG_PREEMPT_DYNAMIC=n
#CHECK#CONFIG_TREE_RCU=y
+CONFIG_PREEMPT_RCU=n
CONFIG_HZ_PERIODIC=n
CONFIG_NO_HZ_IDLE=y
CONFIG_NO_HZ_FULL=n
CONFIG_SMP=y
CONFIG_NR_CPUS=8
-CONFIG_PREEMPT_NONE=y
+CONFIG_PREEMPT_DYNAMIC=n
+CONFIG_PREEMPT_LAZY=y
+CONFIG_PREEMPT_NONE=n
CONFIG_PREEMPT_VOLUNTARY=n
CONFIG_PREEMPT=n
CONFIG_HZ_PERIODIC=n