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author | Linus Torvalds <torvalds@linux-foundation.org> | 2020-03-30 15:52:00 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-03-30 15:52:00 -0700 |
commit | 7c4fa150714fb319d4e2bb2303ebbd7307b0fb6d (patch) | |
tree | 6bd36b1721ae89f410ecd002d9a80e048a76653d /tools/testing | |
parent | d937a6dfc9428f470c3ce4d459c390944ddef538 (diff) | |
parent | baf5fe761846815164753d1bd0638fd3696db8fd (diff) | |
download | linux-7c4fa150714fb319d4e2bb2303ebbd7307b0fb6d.tar.bz2 |
Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull RCU updates from Ingo Molnar:
"The main changes in this cycle were:
- Make kfree_rcu() use kfree_bulk() for added performance
- RCU updates
- Callback-overload handling updates
- Tasks-RCU KCSAN and sparse updates
- Locking torture test and RCU torture test updates
- Documentation updates
- Miscellaneous fixes"
* 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (74 commits)
rcu: Make rcu_barrier() account for offline no-CBs CPUs
rcu: Mark rcu_state.gp_seq to detect concurrent writes
Documentation/memory-barriers: Fix typos
doc: Add rcutorture scripting to torture.txt
doc/RCU/rcu: Use https instead of http if possible
doc/RCU/rcu: Use absolute paths for non-rst files
doc/RCU/rcu: Use ':ref:' for links to other docs
doc/RCU/listRCU: Update example function name
doc/RCU/listRCU: Fix typos in a example code snippets
doc/RCU/Design: Remove remaining HTML tags in ReST files
doc: Add some more RCU list patterns in the kernel
rcutorture: Set KCSAN Kconfig options to detect more data races
rcutorture: Manually clean up after rcu_barrier() failure
rcutorture: Make rcu_torture_barrier_cbs() post from corresponding CPU
rcuperf: Measure memory footprint during kfree_rcu() test
rcutorture: Annotation lockless accesses to rcu_torture_current
rcutorture: Add READ_ONCE() to rcu_torture_count and rcu_torture_batch
rcutorture: Fix stray access to rcu_fwd_cb_nodelay
rcutorture: Fix rcu_torture_one_read()/rcu_torture_writer() data race
rcutorture: Make kvm-find-errors.sh abort on bad directory
...
Diffstat (limited to 'tools/testing')
6 files changed, 40 insertions, 3 deletions
diff --git a/tools/testing/selftests/rcutorture/bin/functions.sh b/tools/testing/selftests/rcutorture/bin/functions.sh index c3a49fb4d6f6..12810229fddc 100644 --- a/tools/testing/selftests/rcutorture/bin/functions.sh +++ b/tools/testing/selftests/rcutorture/bin/functions.sh @@ -12,7 +12,7 @@ # Returns 1 if the specified boot-parameter string tells rcutorture to # test CPU-hotplug operations. bootparam_hotplug_cpu () { - echo "$1" | grep -q "rcutorture\.onoff_" + echo "$1" | grep -q "torture\.onoff_" } # checkarg --argname argtype $# arg mustmatch cannotmatch diff --git a/tools/testing/selftests/rcutorture/bin/kvm-find-errors.sh b/tools/testing/selftests/rcutorture/bin/kvm-find-errors.sh index 1871d00bccd7..6f50722f251f 100755 --- a/tools/testing/selftests/rcutorture/bin/kvm-find-errors.sh +++ b/tools/testing/selftests/rcutorture/bin/kvm-find-errors.sh @@ -20,7 +20,9 @@ rundir="${1}" if test -z "$rundir" -o ! -d "$rundir" then + echo Directory "$rundir" not found. echo Usage: $0 directory + exit 1 fi editor=${EDITOR-vi} diff --git a/tools/testing/selftests/rcutorture/bin/kvm-recheck.sh b/tools/testing/selftests/rcutorture/bin/kvm-recheck.sh index e5edd5198725..0326f4a5ff9c 100755 --- a/tools/testing/selftests/rcutorture/bin/kvm-recheck.sh +++ b/tools/testing/selftests/rcutorture/bin/kvm-recheck.sh @@ -13,6 +13,9 @@ # # Authors: Paul E. McKenney <paulmck@linux.ibm.com> +T=/tmp/kvm-recheck.sh.$$ +trap 'rm -f $T' 0 2 + PATH=`pwd`/tools/testing/selftests/rcutorture/bin:$PATH; export PATH . functions.sh for rd in "$@" @@ -68,4 +71,16 @@ do fi done done -EDITOR=echo kvm-find-errors.sh "${@: -1}" > /dev/null 2>&1 +EDITOR=echo kvm-find-errors.sh "${@: -1}" > $T 2>&1 +ret=$? +builderrors="`tr ' ' '\012' < $T | grep -c '/Make.out.diags'`" +if test "$builderrors" -gt 0 +then + echo $builderrors runs with build errors. +fi +runerrors="`tr ' ' '\012' < $T | grep -c '/console.log.diags'`" +if test "$runerrors" -gt 0 +then + echo $runerrors runs with runtime errors. +fi +exit $ret diff --git a/tools/testing/selftests/rcutorture/bin/kvm.sh b/tools/testing/selftests/rcutorture/bin/kvm.sh index 78d18ab8e954..2315e2ec12d6 100755 --- a/tools/testing/selftests/rcutorture/bin/kvm.sh +++ b/tools/testing/selftests/rcutorture/bin/kvm.sh @@ -39,7 +39,7 @@ TORTURE_TRUST_MAKE="" resdir="" configs="" cpus=0 -ds=`date +%Y.%m.%d-%H:%M:%S` +ds=`date +%Y.%m.%d-%H.%M.%S` jitter="-1" usage () { diff --git a/tools/testing/selftests/rcutorture/configs/rcu/CFcommon b/tools/testing/selftests/rcutorture/configs/rcu/CFcommon index e19a444a0684..0e92d85313aa 100644 --- a/tools/testing/selftests/rcutorture/configs/rcu/CFcommon +++ b/tools/testing/selftests/rcutorture/configs/rcu/CFcommon @@ -3,3 +3,5 @@ CONFIG_PRINTK_TIME=y CONFIG_HYPERVISOR_GUEST=y CONFIG_PARAVIRT=y CONFIG_KVM_GUEST=y +CONFIG_KCSAN_ASSUME_PLAIN_WRITES_ATOMIC=n +CONFIG_KCSAN_REPORT_VALUE_CHANGE_ONLY=n diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TREE10 b/tools/testing/selftests/rcutorture/configs/rcu/TREE10 new file mode 100644 index 000000000000..2debe7891aeb --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/TREE10 @@ -0,0 +1,18 @@ +CONFIG_SMP=y +CONFIG_NR_CPUS=100 +CONFIG_PREEMPT_NONE=y +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=n +#CHECK#CONFIG_TREE_RCU=y +CONFIG_HZ_PERIODIC=n +CONFIG_NO_HZ_IDLE=y +CONFIG_NO_HZ_FULL=n +CONFIG_RCU_FAST_NO_HZ=n +CONFIG_RCU_TRACE=n +CONFIG_RCU_NOCB_CPU=n +CONFIG_DEBUG_LOCK_ALLOC=n +CONFIG_PROVE_LOCKING=n +#CHECK#CONFIG_PROVE_RCU=n +CONFIG_DEBUG_OBJECTS=n +CONFIG_DEBUG_OBJECTS_RCU_HEAD=n +CONFIG_RCU_EXPERT=n |