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SubjectRe: [RFC 0/8] Move locking primitives into kernel/locking/
On Tue, Nov 05, 2013 at 01:10:44PM +0100, Peter Zijlstra wrote:
> Hi all,
>
> During Kernel Summit Dave mentioned that there wasn't a clear maintainer for
> locking bits.
>
> To remedy this Ingo suggested gathering all the various locking primitives and
> lockdep into a single place: kernel/locking/.
>
> I would further like to propose a MAINTAINERS entry like:
>
> LOCKING
> M: Ingo Molnar <mingo@redhat.com>
> M: Peter Zijlstra <peterz@infradead.org>
> M: Oleg Nesterov <oleg@redhat.com>
> M: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
> M: Linus Torvalds <torvalds@linux-foundation.org>
> T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git locking/core
> S: Maintained
> F: kernel/locking/
>
> Because for most 'fun' locking discussions we usually end up with at least
> those people anyway :-)
>
> Comments?

OK, I am in.

How are we organizing this? I could imagine divvying up the various
types of locks, having a minimum number of reviews or acks coupled
with a maximum review time, or just requiring the full set of reviews
and acks given the criticality of locking code. Other approaches?

Thanx, Paul

> ---
> kernel/lglock.c | 89
> kernel/lockdep.c | 4257 -----------------------------------
> kernel/lockdep_internals.h | 170 -
> kernel/lockdep_proc.c | 683 -----
> kernel/lockdep_states.h | 9
> kernel/mutex-debug.c | 110
> kernel/mutex-debug.h | 55
> kernel/mutex.c | 960 -------
> kernel/mutex.h | 48
> kernel/rtmutex-debug.c | 187 -
> kernel/rtmutex-debug.h | 33
> kernel/rtmutex-tester.c | 420 ---
> kernel/rtmutex.c | 1060 --------
> kernel/rtmutex.h | 26
> kernel/rtmutex_common.h | 126 -
> kernel/rwsem.c | 157 -
> kernel/semaphore.c | 263 --
> kernel/spinlock.c | 399 ---
> lib/percpu-rwsem.c | 165 -
> lib/rwsem-spinlock.c | 296 --
> lib/rwsem.c | 293 --
> lib/spinlock_debug.c | 302 --
> kernel/locking/Makefile | 25
> kernel/locking/lglock.c | 89
> kernel/locking/lockdep.c | 4257 +++++++++++++++++++++++++++++++++++
> kernel/locking/lockdep_internals.h | 170 +
> kernel/locking/lockdep_proc.c | 683 +++++
> kernel/locking/lockdep_states.h | 9
> kernel/locking/mutex-debug.c | 110
> kernel/locking/mutex-debug.h | 55
> kernel/locking/mutex.c | 960 +++++++
> kernel/locking/mutex.h | 48
> kernel/locking/percpu-rwsem.c | 165 +
> kernel/locking/rtmutex-debug.c | 187 +
> kernel/locking/rtmutex-debug.h | 33
> kernel/locking/rtmutex-tester.c | 420 +++
> kernel/locking/rtmutex.c | 1060 ++++++++
> kernel/locking/rtmutex.h | 26
> kernel/locking/rtmutex_common.h | 126 +
> kernel/locking/rwsem-spinlock.c | 296 ++
> kernel/locking/rwsem-xadd.c | 293 ++
> kernel/locking/rwsem.c | 157 +
> kernel/locking/semaphore.c | 263 ++
> kernel/locking/spinlock.c | 399 +++
> kernel/locking/spinlock_debug.c | 302 ++
> kernel/Makefile | 22
> kernel/futex.c | 2
> lib/Makefile | 4
> 48 files changed, 10138 insertions(+), 10131 deletions(-)
>
>
>



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