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Message-Id: <1384562141-32446-9-git-send-email-paulmck@linux.vnet.ibm.com> Date: Fri, 15 Nov 2013 16:35:22 -0800 From: "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com> To: linux-kernel@...r.kernel.org Cc: mingo@...nel.org, laijs@...fujitsu.com, dipankar@...ibm.com, akpm@...ux-foundation.org, mathieu.desnoyers@...icios.com, josh@...htriplett.org, niv@...ibm.com, tglx@...utronix.de, peterz@...radead.org, rostedt@...dmis.org, dhowells@...hat.com, edumazet@...gle.com, darren@...art.com, fweisbec@...il.com, sbw@....edu, "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>, Greg KH <gregkh@...uxfoundation.org> Subject: [PATCH tip/core/rcu 09/28] rcutorture: Refactor TINY_RCU test cases From: "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com> The TINY_RCU test cases were first put in place many years ago, and have been incrementally modified rather than being reworked. This commit therefore completes a long-overdue reworking of the TINY_RCU test cases. Signed-off-by: Paul E. McKenney <paulmck@...ux.vnet.ibm.com> Cc: Greg KH <gregkh@...uxfoundation.org> --- tools/testing/selftests/rcutorture/configs/CFLIST | 4 +-- tools/testing/selftests/rcutorture/configs/NT1-nh | 23 ------------- tools/testing/selftests/rcutorture/configs/NT3-NH | 20 ----------- tools/testing/selftests/rcutorture/configs/PT1-nh | 23 ------------- tools/testing/selftests/rcutorture/configs/PT2-NH | 22 ------------ tools/testing/selftests/rcutorture/configs/TINY01 | 13 +++++++ tools/testing/selftests/rcutorture/configs/TINY02 | 13 +++++++ .../testing/selftests/rcutorture/doc/TINY_RCU.txt | 40 ++++++++++++++++++++++ 8 files changed, 68 insertions(+), 90 deletions(-) delete mode 100644 tools/testing/selftests/rcutorture/configs/NT1-nh delete mode 100644 tools/testing/selftests/rcutorture/configs/NT3-NH delete mode 100644 tools/testing/selftests/rcutorture/configs/PT1-nh delete mode 100644 tools/testing/selftests/rcutorture/configs/PT2-NH create mode 100644 tools/testing/selftests/rcutorture/configs/TINY01 create mode 100644 tools/testing/selftests/rcutorture/configs/TINY02 create mode 100644 tools/testing/selftests/rcutorture/doc/TINY_RCU.txt diff --git a/tools/testing/selftests/rcutorture/configs/CFLIST b/tools/testing/selftests/rcutorture/configs/CFLIST index 884491b25c19..cd3d29cb0a47 100644 --- a/tools/testing/selftests/rcutorture/configs/CFLIST +++ b/tools/testing/selftests/rcutorture/configs/CFLIST @@ -9,5 +9,5 @@ TREE08 TREE09 SRCU-N SRCU-P -NT1-nh -NT3-NH +TINY01 +TINY02 diff --git a/tools/testing/selftests/rcutorture/configs/NT1-nh b/tools/testing/selftests/rcutorture/configs/NT1-nh deleted file mode 100644 index 023f312a931c..000000000000 --- a/tools/testing/selftests/rcutorture/configs/NT1-nh +++ /dev/null @@ -1,23 +0,0 @@ -#CHECK#CONFIG_TINY_RCU=y -CONFIG_RCU_TRACE=y -CONFIG_RCU_TORTURE_TEST=m -CONFIG_MODULE_UNLOAD=y -CONFIG_SUSPEND=n -CONFIG_HIBERNATION=n -# -CONFIG_SMP=n -# -CONFIG_HOTPLUG_CPU=n -# -CONFIG_NO_HZ=n -# -CONFIG_PREEMPT_NONE=y -CONFIG_PREEMPT_VOLUNTARY=n -CONFIG_PREEMPT=n -CONFIG_PROVE_LOCKING=y -CONFIG_PROVE_RCU=y -CONFIG_SYSFS_DEPRECATED_V2=y -CONFIG_IKCONFIG=y -CONFIG_IKCONFIG_PROC=y -CONFIG_PRINTK_TIME=y - diff --git a/tools/testing/selftests/rcutorture/configs/NT3-NH b/tools/testing/selftests/rcutorture/configs/NT3-NH deleted file mode 100644 index 6fd0235dae73..000000000000 --- a/tools/testing/selftests/rcutorture/configs/NT3-NH +++ /dev/null @@ -1,20 +0,0 @@ -#CHECK#CONFIG_TINY_RCU=y -CONFIG_RCU_TORTURE_TEST=m -CONFIG_MODULE_UNLOAD=y -CONFIG_SUSPEND=n -CONFIG_HIBERNATION=n -# -CONFIG_SMP=n -# -CONFIG_HOTPLUG_CPU=n -# -CONFIG_NO_HZ=y -# -CONFIG_PREEMPT_NONE=y -CONFIG_PREEMPT_VOLUNTARY=n -CONFIG_PREEMPT=n -CONFIG_SYSFS_DEPRECATED_V2=y -CONFIG_IKCONFIG=y -CONFIG_IKCONFIG_PROC=y -CONFIG_PRINTK_TIME=y - diff --git a/tools/testing/selftests/rcutorture/configs/PT1-nh b/tools/testing/selftests/rcutorture/configs/PT1-nh deleted file mode 100644 index e3361c3894a1..000000000000 --- a/tools/testing/selftests/rcutorture/configs/PT1-nh +++ /dev/null @@ -1,23 +0,0 @@ -CONFIG_TINY_PREEMPT_RCU=y -CONFIG_RCU_BOOST=y -CONFIG_RCU_BOOST_PRIO=2 -CONFIG_RCU_TRACE=y -CONFIG_RCU_TORTURE_TEST=m -CONFIG_MODULE_UNLOAD=y -CONFIG_SUSPEND=n -CONFIG_HIBERNATION=n -# -CONFIG_SMP=n -# -CONFIG_HOTPLUG_CPU=n -# -CONFIG_NO_HZ=n -# -CONFIG_PREEMPT_NONE=n -CONFIG_PREEMPT_VOLUNTARY=n -CONFIG_PREEMPT=y -CONFIG_SYSFS_DEPRECATED_V2=y -CONFIG_IKCONFIG=y -CONFIG_IKCONFIG_PROC=y -CONFIG_PRINTK_TIME=y - diff --git a/tools/testing/selftests/rcutorture/configs/PT2-NH b/tools/testing/selftests/rcutorture/configs/PT2-NH deleted file mode 100644 index 64abfc3b4d94..000000000000 --- a/tools/testing/selftests/rcutorture/configs/PT2-NH +++ /dev/null @@ -1,22 +0,0 @@ -CONFIG_TINY_PREEMPT_RCU=y -CONFIG_RCU_TORTURE_TEST=m -CONFIG_MODULE_UNLOAD=y -CONFIG_SUSPEND=n -CONFIG_HIBERNATION=n -# -CONFIG_SMP=n -# -CONFIG_HOTPLUG_CPU=n -# -CONFIG_NO_HZ=y -# -CONFIG_PREEMPT_NONE=n -CONFIG_PREEMPT_VOLUNTARY=n -CONFIG_PREEMPT=y -CONFIG_PROVE_LOCKING=y -CONFIG_PROVE_RCU=y -CONFIG_SYSFS_DEPRECATED_V2=y -CONFIG_IKCONFIG=y -CONFIG_IKCONFIG_PROC=y -CONFIG_PRINTK_TIME=y - diff --git a/tools/testing/selftests/rcutorture/configs/TINY01 b/tools/testing/selftests/rcutorture/configs/TINY01 new file mode 100644 index 000000000000..0c2823f21712 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/TINY01 @@ -0,0 +1,13 @@ +CONFIG_SMP=n +CONFIG_PREEMPT_NONE=y +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=n +#CHECK#CONFIG_TINY_RCU=y +CONFIG_HZ_PERIODIC=n +CONFIG_NO_HZ_IDLE=y +CONFIG_NO_HZ_FULL=n +CONFIG_RCU_TRACE=n +CONFIG_DEBUG_LOCK_ALLOC=n +CONFIG_DEBUG_OBJECTS_RCU_HEAD=n +CONFIG_PREEMPT_COUNT=n +CONFIG_PRINTK_TIME=y diff --git a/tools/testing/selftests/rcutorture/configs/TINY02 b/tools/testing/selftests/rcutorture/configs/TINY02 new file mode 100644 index 000000000000..e5072d7528b6 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/TINY02 @@ -0,0 +1,13 @@ +CONFIG_SMP=n +CONFIG_PREEMPT_NONE=y +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=n +#CHECK#CONFIG_TINY_RCU=y +CONFIG_HZ_PERIODIC=y +CONFIG_NO_HZ_IDLE=n +CONFIG_NO_HZ_FULL=n +CONFIG_RCU_TRACE=y +CONFIG_DEBUG_LOCK_ALLOC=y +CONFIG_DEBUG_OBJECTS_RCU_HEAD=n +CONFIG_PREEMPT_COUNT=y +CONFIG_PRINTK_TIME=y diff --git a/tools/testing/selftests/rcutorture/doc/TINY_RCU.txt b/tools/testing/selftests/rcutorture/doc/TINY_RCU.txt new file mode 100644 index 000000000000..28db67b54e55 --- /dev/null +++ b/tools/testing/selftests/rcutorture/doc/TINY_RCU.txt @@ -0,0 +1,40 @@ +This document gives a brief rationale for the TINY_RCU test cases. + + +Kconfig Parameters: + +CONFIG_DEBUG_LOCK_ALLOC -- Do all three and none of the three. +CONFIG_PREEMPT_COUNT +CONFIG_RCU_TRACE + +The theory here is that randconfig testing will hit the other six possible +combinations of these parameters. + + +Kconfig Parameters Ignored: + +CONFIG_DEBUG_OBJECTS_RCU_HEAD +CONFIG_PROVE_RCU + + In common code tested by TREE_RCU test cases. + +CONFIG_NO_HZ_FULL_SYSIDLE +CONFIG_RCU_NOCB_CPU +CONFIG_RCU_USER_QS + + Meaningless for TINY_RCU. + +CONFIG_RCU_STALL_COMMON +CONFIG_RCU_TORTURE_TEST + + Redundant with CONFIG_RCU_TRACE. + +CONFIG_HOTPLUG_CPU +CONFIG_PREEMPT +CONFIG_PREEMPT_RCU +CONFIG_SMP +CONFIG_TINY_RCU +CONFIG_TREE_PREEMPT_RCU +CONFIG_TREE_RCU + + All forced by CONFIG_TINY_RCU. -- 1.8.1.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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