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Re: [PATCH tip/core/rcu 21/48] remove all rcu head initializations, except on_stack initializations

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From: Matt Mackall
Subject: Re: [PATCH tip/core/rcu 21/48] remove all rcu head initializations, except on_stack initializations
Date: Tuesday, May 4, 2010 - 1:27 pm

On Tue, 2010-05-04 at 13:19 -0700, Paul E. McKenney wrote:

Please document that distinction at the definition of INIT_RCU_HEADS,
otherwise we're sure to see creep.

-- 
Mathematics is the supreme nostalgia of our time.


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[PATCH tip/core/rcu 01/48] rcu: optionally leave lockdep e ..., Paul E. McKenney, (Tue May 4, 1:19 pm)
[PATCH tip/core/rcu 02/48] rcu: substitute set_need_resche ..., Paul E. McKenney, (Tue May 4, 1:19 pm)
[PATCH tip/core/rcu 03/48] rcu: make dead code really dead, Paul E. McKenney, (Tue May 4, 1:19 pm)
[PATCH tip/core/rcu 04/48] rcu: move some code from macro ..., Paul E. McKenney, (Tue May 4, 1:19 pm)
[PATCH tip/core/rcu 05/48] rcu: ignore offline CPUs in las ..., Paul E. McKenney, (Tue May 4, 1:19 pm)
[PATCH tip/core/rcu 06/48] rcu: Fix bogus CONFIG_PROVE_LOC ..., Paul E. McKenney, (Tue May 4, 1:19 pm)
[PATCH tip/core/rcu 07/48] rcu: fix now-bogus rcu_schedule ..., Paul E. McKenney, (Tue May 4, 1:19 pm)
[PATCH tip/core/rcu 08/48] rcu: shrink rcutiny by making s ..., Paul E. McKenney, (Tue May 4, 1:19 pm)
[PATCH tip/core/rcu 09/48] rcu: rename rcutiny rcu_ctrlblk ..., Paul E. McKenney, (Tue May 4, 1:19 pm)
[PATCH tip/core/rcu 10/48] rcu: refactor RCU's context-swi ..., Paul E. McKenney, (Tue May 4, 1:19 pm)
[PATCH tip/core/rcu 11/48] rcu: slim down rcutiny by remov ..., Paul E. McKenney, (Tue May 4, 1:19 pm)
[PATCH tip/core/rcu 12/48] rcu: enable CPU_STALL_VERBOSE b ..., Paul E. McKenney, (Tue May 4, 1:19 pm)
[PATCH tip/core/rcu 13/48] rcu: disable CPU stall warnings ..., Paul E. McKenney, (Tue May 4, 1:19 pm)
[PATCH tip/core/rcu 14/48] rcu: print boot-time console me ..., Paul E. McKenney, (Tue May 4, 1:19 pm)
[PATCH tip/core/rcu 15/48] rcu: improve RCU CPU stall-warn ..., Paul E. McKenney, (Tue May 4, 1:19 pm)
[PATCH tip/core/rcu 16/48] rcu: permit discontiguous cpu_p ..., Paul E. McKenney, (Tue May 4, 1:19 pm)
[PATCH tip/core/rcu 17/48] rcu: v2: reduce the number of s ..., Paul E. McKenney, (Tue May 4, 1:19 pm)
[PATCH tip/core/rcu 18/48] rcu: improve the RCU CPU-stall ..., Paul E. McKenney, (Tue May 4, 1:19 pm)
[PATCH tip/core/rcu 19/48] Debugobjects transition check, Paul E. McKenney, (Tue May 4, 1:19 pm)
[PATCH tip/core/rcu 20/48] rcu head introduce rcu head ini ..., Paul E. McKenney, (Tue May 4, 1:19 pm)
[PATCH tip/core/rcu 21/48] remove all rcu head initializat ..., Paul E. McKenney, (Tue May 4, 1:19 pm)
[PATCH tip/core/rcu 22/48] rcu head remove init, Paul E. McKenney, (Tue May 4, 1:19 pm)
[PATCH tip/core/rcu 23/48] tree/tiny rcu: Add debug RCU he ..., Paul E. McKenney, (Tue May 4, 1:19 pm)
[PATCH tip/core/rcu 24/48] rcu: make SRCU usable in modules, Paul E. McKenney, (Tue May 4, 1:19 pm)
[PATCH tip/core/rcu 0/48] v4 patches queued for 2.6.35, Paul E. McKenney, (Tue May 4, 1:19 pm)
[PATCH tip/core/rcu 25/48] rcu: fix debugobjects rcu head ..., Paul E. McKenney, (Tue May 4, 1:19 pm)
[PATCH tip/core/rcu 26/48] rcu: RCU_FAST_NO_HZ must check ..., Paul E. McKenney, (Tue May 4, 1:19 pm)
[PATCH tip/core/rcu 27/48] vfs: add fs.h to define struct file, Paul E. McKenney, (Tue May 4, 1:19 pm)
[PATCH tip/core/rcu 28/48] net: Make accesses to ->br_port ..., Paul E. McKenney, (Tue May 4, 1:19 pm)
[PATCH tip/core/rcu 29/48] rcu: add an rcu_dereference_ind ..., Paul E. McKenney, (Tue May 4, 1:19 pm)
[PATCH tip/core/rcu 30/48] mce: convert to rcu_dereference ..., Paul E. McKenney, (Tue May 4, 1:19 pm)
[PATCH tip/core/rcu 31/48] rcu: define __rcu address space ..., Paul E. McKenney, (Tue May 4, 1:19 pm)
[PATCH tip/core/rcu 32/48] rculist: avoid __rcu annotations, Paul E. McKenney, (Tue May 4, 1:19 pm)
[PATCH tip/core/rcu 33/48] cgroups: __rcu annotations, Paul E. McKenney, (Tue May 4, 1:19 pm)
[PATCH tip/core/rcu 34/48] credentials: rcu annotation, Paul E. McKenney, (Tue May 4, 1:19 pm)
[PATCH tip/core/rcu 35/48] keys: __rcu annotations, Paul E. McKenney, (Tue May 4, 1:19 pm)
[PATCH tip/core/rcu 36/48] nfs: __rcu annotations, Paul E. McKenney, (Tue May 4, 1:19 pm)
[PATCH tip/core/rcu 37/48] net: __rcu annotations for drivers, Paul E. McKenney, (Tue May 4, 1:19 pm)
[PATCH tip/core/rcu 38/48] perf_event: __rcu annotations, Paul E. McKenney, (Tue May 4, 1:19 pm)
[PATCH tip/core/rcu 39/48] notifiers: __rcu annotations, Paul E. McKenney, (Tue May 4, 1:19 pm)
[PATCH tip/core/rcu 40/48] radix-tree: __rcu annotations, Paul E. McKenney, (Tue May 4, 1:19 pm)
[PATCH tip/core/rcu 41/48] idr: __rcu annotations, Paul E. McKenney, (Tue May 4, 1:19 pm)
[PATCH tip/core/rcu 42/48] input: __rcu annotations, Paul E. McKenney, (Tue May 4, 1:19 pm)
[PATCH tip/core/rcu 43/48] vhost: add __rcu annotations, Paul E. McKenney, (Tue May 4, 1:19 pm)
[PATCH tip/core/rcu 44/48] net/netfilter: __rcu annotations, Paul E. McKenney, (Tue May 4, 1:19 pm)
[PATCH tip/core/rcu 45/48] kvm: add __rcu annotations, Paul E. McKenney, (Tue May 4, 1:19 pm)
[PATCH tip/core/rcu 46/48] kernel: __rcu annotations, Paul E. McKenney, (Tue May 4, 1:19 pm)
[PATCH tip/core/rcu 47/48] net: __rcu annotations, Paul E. McKenney, (Tue May 4, 1:19 pm)
[PATCH tip/core/rcu 48/48] kvm: more __rcu annotations, Paul E. McKenney, (Tue May 4, 1:19 pm)
Re: [PATCH tip/core/rcu 21/48] remove all rcu head initial ..., Matt Mackall, (Tue May 4, 1:27 pm)
Re: [PATCH tip/core/rcu 21/48] remove all rcu head initial ..., Paul E. McKenney, (Tue May 4, 1:36 pm)
Re: [PATCH tip/core/rcu 33/48] cgroups: __rcu annotations, Paul Menage, (Tue May 4, 1:48 pm)
Re: [PATCH tip/core/rcu 31/48] rcu: define __rcu address s ..., Arnd Bergmann, (Tue May 4, 1:58 pm)
Re: [PATCH tip/core/rcu 28/48] net: Make accesses to ->br_ ..., Stephen Hemminger, (Tue May 4, 2:26 pm)
Re: [PATCH tip/core/rcu 43/48] vhost: add __rcu annotations, Michael S. Tsirkin, (Tue May 4, 2:39 pm)
Re: [PATCH tip/core/rcu 28/48] net: Make accesses to ->br_ ..., Arnd Bergmann, (Tue May 4, 2:41 pm)
Re: [PATCH tip/core/rcu 31/48] rcu: define __rcu address s ..., Paul E. McKenney, (Tue May 4, 4:07 pm)
Re: [PATCH tip/core/rcu 21/48] remove all rcu head initial ..., James Morris, (Tue May 4, 4:44 pm)
Re: [PATCH tip/core/rcu 43/48] vhost: add __rcu annotations, Paul E. McKenney, (Tue May 4, 4:57 pm)
Re: [PATCH tip/core/rcu 43/48] vhost: add __rcu annotations, Michael S. Tsirkin, (Tue May 4, 4:59 pm)
Re: [PATCH tip/core/rcu 21/48] remove all rcu head initial ..., Paul E. McKenney, (Tue May 4, 5:03 pm)
Re: [PATCH tip/core/rcu 33/48] cgroups: __rcu annotations, Paul E. McKenney, (Tue May 4, 5:04 pm)
Re: [PATCH tip/core/rcu 43/48] vhost: add __rcu annotations, Paul E. McKenney, (Tue May 4, 5:39 pm)
Re: [PATCH tip/core/rcu 36/48] nfs: __rcu annotations, David Howells, (Wed May 5, 3:14 am)
Re: [PATCH tip/core/rcu 36/48] nfs: __rcu annotations, Trond Myklebust, (Wed May 5, 5:44 am)
Re: [PATCH tip/core/rcu 36/48] nfs: __rcu annotations, Paul E. McKenney, (Wed May 5, 2:01 pm)
Re: [PATCH tip/core/rcu 28/48] net: Make accesses to ->br_ ..., Paul E. McKenney, (Wed May 5, 3:03 pm)
Re: [PATCH tip/core/rcu 01/48] rcu: optionally leave lockd ..., Mathieu Desnoyers, (Wed May 5, 3:46 pm)
Re: [PATCH tip/core/rcu 01/48] rcu: optionally leave lockd ..., Paul E. McKenney, (Wed May 5, 4:05 pm)
Re: [PATCH tip/core/rcu 01/48] rcu: optionally leave lockd ..., Mathieu Desnoyers, (Wed May 5, 4:24 pm)
Re: [PATCH tip/core/rcu 01/48] rcu: optionally leave lockd ..., Paul E. McKenney, (Wed May 5, 4:36 pm)
Re: [PATCH tip/core/rcu 01/48] rcu: optionally leave lockd ..., Mathieu Desnoyers, (Wed May 5, 7:05 pm)
Re: [PATCH tip/core/rcu 28/48] net: Make accesses to ->br_ ..., Arnd Bergmann, (Thu May 6, 7:09 am)
Re: [PATCH tip/core/rcu 01/48] rcu: optionally leave lockd ..., Paul E. McKenney, (Thu May 6, 4:09 pm)
Re: [PATCH tip/core/rcu 28/48] net: Make accesses to ->br_ ..., Paul E. McKenney, (Thu May 6, 4:12 pm)