Messages in this thread | | | Date | Thu, 22 May 2014 11:37:16 +0200 | From | Ingo Molnar <> | Subject | Re: [GIT PULL rcu/next] RCU commits for 3.16 |
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* Paul E. McKenney <paulmck@linux.vnet.ibm.com> wrote:
> Hello, Ingo, > > The changes in this series include: > > 1. Update RCU documentation. These were posted to LKML at > https://lkml.org/lkml/2014/4/28/634. > > 2. Miscellaneous fixes. These were posted to LKML at > https://lkml.org/lkml/2014/4/28/645. > > 3. Torture-test changes. These were posted to LKML at > https://lkml.org/lkml/2014/4/28/667. > > 4. Variable-name renaming cleanup, sent separately due to conflicts. > This was posted to LKML at https://lkml.org/lkml/2014/5/13/854. > > 5. Patch to suppress RCU stall warnings while sysrq requests are > being processed. This patch is the RCU portions of the patch > that Rik posted to LKML at https://lkml.org/lkml/2014/4/29/457. > The reason for pushing this patch ahead instead of waiting until > 3.17 is that the NMI-based stack traces are messing up sysrq > output, and in some cases also messing up the system as well. > > All of these have been exposed to -next testing. > These changes are available in the git repository at: > > git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git rcu/next > > for you to fetch changes up to 61f38db3e3c0e4c3be0858750e2cabeadaecac0c: > > rcu: Provide API to suppress stall warnings while sysrc runs (2014-05-19 10:52:04 -0700) > > Thanx, Paul > > ---------------------------------------------------------------- > Andreea-Cristina Bernat (3): > rcu: Add event tracing to dyntick_save_progress_counter(). > rcu: Consolidate kfree_call_rcu() to use rcu_state pointer > rcu: Merge rcu_sched_force_quiescent_state() with rcu_force_quiescent_state() > > Christoph Lameter (1): > rcu: Replace __this_cpu_ptr() uses with raw_cpu_ptr() > > Eric Dumazet (1): > softirq: A single rcu_bh_qs() call per softirq set is enough > > Himangi Saraogi (2): > rcu: Protect uses of ->jiffies_stall with ACCESS_ONCE() > rcu: Replace NR_CPUS with nr_cpu_ids > > Iulia Manda (4): > rcu: Remove unused rcu_data structure field > rcu: Protect uses of jiffies_stall field with ACCESS_ONCE() > rcu: Remove "extern" from function declaration in include/linux/rcupdate.h > torture: Notice if an all-zero cpumask is passed inside a critical section > > Liu Ping Fan (1): > rcu: Fix incorrect notes for code > > Paul E. McKenney (50): > documentation: Update sysfs path for rcu_cpu_stall_suppress > documentation: Record rcu_dereference() value mishandling > documentation: Update API documentation > rcu: Protect ->gp_flags accesses with ACCESS_ONCE() > rcu: Print negatives for stall-warning counter wraparound > rcu: Update cpu_needs_another_gp() for futures from non-NOCB CPUs > rcu: Make callers awaken grace-period kthread > rcu: Document RCU_INIT_POINTER()'s lack of ordering guarantees > rcu: Bind RCU grace-period kthreads if NO_HZ_FULL > rcu: Make large and small sysidle systems use same state machine > rcutorture: Add forward-progress checking for writer > torture: Remove obsolete builddir options > torture: Add batch headers "--dryrun sched" > torture: Make parse-rcutorture.sh less RCU-specific > torture: Rename RCU_INITRD to TORTURE_INITRD > torture: Intensify locking test > torture: Allow variations of "defconfig" to be specified > torture: Rename RCU_KMAKE_ARG to TORTURE_KMAKE_ARG > torture: Rename RCU_BOOTARGS to TORTURE_BOOTARGS > torture: Rename RCU_BUILDONLY to TORTURE_BUILDONLY > torture: Rename RCU_QEMU_INTERACTIVE to TORTURE_QEMU_INTERACTIVE > torture: Rename RCU_QEMU_MAC to TORTURE_QEMU_MAC > torture: Rename RCU_QEMU_ARG to TORTURE_QEMU_ARG > torture: Rename RCU_QEMU_CMD to TORTURE_QEMU_CMD > torture: Make config-fragment filtering RCU-independent > torture: Make "--dryrun script" output self-sufficient > torture: Make "--dryrun script" use same environment as normal run > rcutorture: Print negatives for SRCU counter wraparound > torture: Include "Stopping" string to torture_kthread_stopping() > torture: Report diagnostics from qemu > torture: Increase stutter-end intensity > torture: Permit multi-word qemu and boot arguments > torture: Choose bzImage location based on architecture > torture: Add tracing-enabled variant of TREE02 > torture: Dump ftrace buffer when the RCU grace period stalls > rcutorture: Export RCU grace-period kthread wait state to rcutorture > percpu: Fix raw_cpu_inc_return() > sched,rcu: Make cond_resched() report RCU quiescent states > rcutorture: Make rcu_torture_reader() use cond_resched() > torture: Better summary diagnostics for build failures > rcutorture: Check for rcu_torture_fqs creation errors > torture: Use elapsed time to detect hangs > rcutorture: Test RCU-sched primitives in TREE_PREEMPT_RCU kernels > rcutorture: Add tests for get_state_synchronize_rcu() > rcutorture: Explicitly test synchronous grace-period primitives > rcutorture: Note diffs from git commits > rcutorture: Run rcu_torture_writer at normal priority > locktorture: Remove reference to nonexistent Kconfig parameter > torture: Check for multiple concurrent torture tests > Merge branches 'doc.2014.04.29a', 'fixes.2014.04.29a' and 'torture.2014.05.14a' into HEAD > > Pranith Kumar (3): > rcu: Remove duplicate resched_cpu() declaration > torture: Remove __init from torture_init_begin/end > torture: Remove unused definition > > Rashika Kheria (1): > rcutorture: Mark function as static in kernel/rcu/torture.c > > Rik van Riel (1): > rcu: Provide API to suppress stall warnings while sysrc runs > > Thomas Gleixner (1): > rcutorture: Add missing destroy_timer_on_stack() > > Uma Sharma (1): > rcu: Variable name changed in tree_plugin.h and used in tree.c > > Documentation/RCU/00-INDEX | 2 + > Documentation/RCU/checklist.txt | 12 +- > Documentation/RCU/rcu_dereference.txt | 371 +++++++++++++++++++++ > Documentation/RCU/stallwarn.txt | 2 +- > Documentation/RCU/whatisRCU.txt | 55 ++- > include/linux/percpu.h | 2 +- > include/linux/rcupdate.h | 72 +++- > include/linux/rcutiny.h | 4 + > include/linux/rcutree.h | 1 + > include/linux/torture.h | 8 +- > kernel/locking/locktorture.c | 10 +- > kernel/rcu/rcutorture.c | 217 +++++++++--- > kernel/rcu/tiny_plugin.h | 8 +- > kernel/rcu/tree.c | 309 ++++++++++++----- > kernel/rcu/tree.h | 11 +- > kernel/rcu/tree_plugin.h | 136 ++------ > kernel/rcu/update.c | 30 ++ > kernel/sched/core.c | 7 +- > kernel/softirq.c | 4 +- > kernel/torture.c | 40 ++- > .../testing/selftests/rcutorture/bin/configinit.sh | 2 +- > .../testing/selftests/rcutorture/bin/functions.sh | 48 ++- > .../testing/selftests/rcutorture/bin/kvm-build.sh | 6 +- > .../selftests/rcutorture/bin/kvm-recheck-lock.sh | 2 +- > .../selftests/rcutorture/bin/kvm-recheck-rcu.sh | 2 +- > .../selftests/rcutorture/bin/kvm-recheck.sh | 24 +- > .../selftests/rcutorture/bin/kvm-test-1-run.sh | 47 ++- > tools/testing/selftests/rcutorture/bin/kvm.sh | 142 ++++---- > .../bin/{parse-rcutorture.sh => parse-torture.sh} | 22 +- > .../selftests/rcutorture/configs/rcu/TREE02-T | 25 ++ > .../selftests/rcutorture/configs/rcu/TREE08.boot | 1 + > 31 files changed, 1210 insertions(+), 412 deletions(-) > create mode 100644 Documentation/RCU/rcu_dereference.txt > rename tools/testing/selftests/rcutorture/bin/{parse-rcutorture.sh => parse-torture.sh} (79%) > create mode 100644 tools/testing/selftests/rcutorture/configs/rcu/TREE02-T > create mode 100644 tools/testing/selftests/rcutorture/configs/rcu/TREE08.boot
Pulled into tip:core/rcu, thanks a lot Paul!
Ingo
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