| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-ID: <20121203052902.GA27014@gmail.com> Date: Mon, 3 Dec 2012 06:29:02 +0100 From: Ingo Molnar <mingo@...nel.org> To: "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com> Cc: mingo@...e.hu, linux-kernel@...r.kernel.org, dhaval.giani@...il.com, keescook@...omium.org, edumazet@...gle.com, laijs@...fujitsu.com, wangyun@...ux.vnet.ibm.com, fweisbec@...il.com, ananaza@....fi, paul.gortmaker@...aro.org Subject: Re: [GIT PULL rcu/next] RCU commits for 3.8 * Paul E. McKenney <paulmck@...ux.vnet.ibm.com> wrote: > Hello, Ingo, > > The major features of this series are: > > 1. A first version of no-callbacks CPUs. This version prohibits > offlining CPU 0, but only when enabled via CONFIG_RCU_NOCB_CPU=y. > Relaxing this constraint is in progress, but not yet ready > for prime time. These commits were posted to LKML at > https://lkml.org/lkml/2012/10/30/724, and are at branch rcu/nocb. > > 2. Changes to SRCU that allows statically initialized srcu_struct > structures. These commits were posted to LKML at > https://lkml.org/lkml/2012/10/30/296, and are at branch rcu/srcu. > > 3. Restructuring of RCU's debugfs output. These commits were posted > to LKML at https://lkml.org/lkml/2012/10/30/341, and are at > branch rcu/tracing. > > 4. Additional CPU-hotplug/RCU improvements, posted to LKML at > https://lkml.org/lkml/2012/10/30/327, and are at branch rcu/hotplug. > Note that the commit eliminating __stop_machine() was judged to > be too-high of risk, so is deferred to 3.9. > > 5. Changes to RCU's idle interface, most notably a new module > parameter that redirects normal grace-period operations to > their expedited equivalents. These were posted to LKML at > https://lkml.org/lkml/2012/10/30/739, and are at branch rcu/idle. > > 6. Additional diagnostics for RCU's CPU stall warning facility, > posted to LKML at https://lkml.org/lkml/2012/10/30/315, and > are at branch rcu/stall. The most notable change reduces the > default RCU CPU stall-warning time from 60 seconds to 21 seconds, > so that it once again happens sooner than the softlockup timeout. > > 7. Documentation updates, which were posted to LKML at > https://lkml.org/lkml/2012/10/30/280, and are at branch rcu/doc. > A couple of late-breaking changes were posted at > https://lkml.org/lkml/2012/11/16/634 and > https://lkml.org/lkml/2012/11/16/547. > > 8. Miscellaneous fixes, which were posted to LKML at > https://lkml.org/lkml/2012/10/30/309, along with a late-breaking > change posted at Fri, 16 Nov 2012 11:26:25 -0800 with message-ID > <20121116192625.GA447@...ux.vnet.ibm.com>, but which lkml.org > seems to have missed. These are at branch rcu/fixes. > > 9. Finally, a fix for an lockdep-RCU splat was posted to LKML > at https://lkml.org/lkml/2012/11/7/486. This is at rcu/next. > > All executable code in these commits have been subject to -next testing. > (Fixes to trailing whitespace problems in one of the Documentation files > has not yet been, but as far as I know -next testing does not do anything > with Documentation files -- and testing will happen as soon as -next testing > restarts.) > > These changes are available in the git repository at: > git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git rcu/next > > Thanx, Paul > > ------------------> > Antti P Miettinen (1): > rcu: Add a module parameter to force use of expedited RCU primitives > > Dhaval Giani (1): > rcu: Correct the name of a reference in list of RCU papers > > Eric Dumazet (1): > rcu: Fix batch-limit size problem > > Frederic Weisbecker (2): > rcu: Remove rcu_switch() > rcu: Fix unrecovered RCU user mode in syscall_trace_leave() > > Kees Cook (1): > rcu: Update docs to include kfree_rcu() > > Lai Jiangshan (4): > srcu: Credit Lai Jiangshan with SRCU rewrite > srcu: Export process_srcu() > srcu: Add DEFINE_SRCU() > rcutorture: Use DEFINE_STATIC_SRCU() > > Michael Wang (12): > rcu: Create directory for each flavor of rcu > rcu: Fundamental facility for 'CPU units sequence reading' > rcu: Optimize the 'rcudata' for RCU trace > rcu: Optimize the 'rcudata.csv' for RCU trace > rcu: Optimize the 'rcu_pending' for RCU trace > rcu: Replace the old interface with the new one > rcu: Remove the interface "rcudata.csv" > rcu: split 'rcubarrier' to each flavor > rcu: split 'rcuboost' to each flavor > rcu: split 'rcugp' to each flavor > rcu: split 'rcuhier' to each flavor > rcu: Remove old debugfs interfaces and also RCU flavor name > > Paul E. McKenney (27): > rcu: Accelerate callbacks for CPU initiating a grace period > Documentation: Fix memory-barriers.txt example > rcu: Fix comment about _rcu_barrier()/orphanage exclusion > rcu: Make rcutorture give diagnostics if CPU offline fails > rcu: Update RCU_FAST_NO_HZ help text > rcu: Fix precedence error in cpu_needs_another_gp() > rcu: Print remote CPU's stacks in stall warnings > rcu: Add grace-period information to RCU CPU stall warnings > rcu: Dump number of callbacks in stall warning messages > rcu: Document alternative RCU/reference-count algorithms > rcu: Rename ->onofflock to ->orphan_lock > rcu: Avoid counter wrap in synchronize_sched_expedited() > rcu: Move synchronize_sched_expedited() state to rcu_state > rcu: Instrument synchronize_rcu_expedited() for debugfs tracing > rcu: Fix tracing formatting > rcu: Add tracing for synchronize_sched_expedited() > rcu: Remove list_for_each_continue_rcu() > rcu: Add new rcutorture module parameters to start/end test messages > rcu: Clarify memory-ordering properties of grace-period primitives > rcu: Fix TINY_RCU rcu_is_cpu_rrupt_from_idle check > rcu: Reduce default RCU CPU stall warning timeout > rcu: Update documentation for TREE_RCU debugfs tracing > rcu: Add documentation for the new rcuexp debugfs trace file > Merge branches 'urgent.2012.10.27a', 'doc.2012.11.16a', 'fixes.2012.11.13a', 'srcu.2012.10.27a', 'stall.2012.11.13a', 'tracing.2012.11.08a' and 'idle.2012.10.24a' into HEAD > rcu: Add callback-free CPUs > rcu: Separate accounting of callbacks from callback-free CPUs > sched: Mark RCU reader in sched_show_task() > > Paul Gortmaker (1): > rcu: Wordsmith help text for RCU_USER_QS kernel parameter > > Documentation/RCU/RTFP.txt | 2 +- > Documentation/RCU/checklist.txt | 17 +- > Documentation/RCU/listRCU.txt | 2 +- > Documentation/RCU/rcuref.txt | 61 +++++- > Documentation/RCU/trace.txt | 396 ++++++++++++++++++--------------- > Documentation/RCU/whatisRCU.txt | 17 +- > Documentation/kernel-parameters.txt | 21 ++ > Documentation/memory-barriers.txt | 9 +- > arch/um/drivers/mconsole_kern.c | 2 +- > arch/x86/kernel/ptrace.c | 7 + > include/linux/rculist.h | 17 -- > include/linux/rcupdate.h | 27 +++ > include/linux/sched.h | 10 +- > include/linux/srcu.h | 34 +++ > include/trace/events/rcu.h | 1 + > init/Kconfig | 41 +++- > kernel/ksysfs.c | 18 ++ > kernel/rcu.h | 2 + > kernel/rcupdate.c | 3 + > kernel/rcutiny.c | 2 +- > kernel/rcutiny_plugin.h | 5 +- > kernel/rcutorture.c | 54 ++--- > kernel/rcutree.c | 283 ++++++++++++++++++------ > kernel/rcutree.h | 67 ++++++- > kernel/rcutree_plugin.h | 415 ++++++++++++++++++++++++++++++++++- > kernel/rcutree_trace.c | 330 ++++++++++++++-------------- > kernel/sched/core.c | 14 +- > kernel/srcu.c | 16 +- > lib/Kconfig.debug | 2 +- > 29 files changed, 1352 insertions(+), 523 deletions(-) Pulled into tip:core/rcu, thanks a lot Paul! There was a minor conflict in arch/x86/kernel/ptrace.c that I've resolved. Thanks, Ingo -- 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/
Powered by blists - more mailing lists