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Re: [PATCH v2 tip/core/rcu 0/13] Miscellaneous fixes for 4.12

From "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Newsgroups linux.kernel
Subject Re: [PATCH v2 tip/core/rcu 0/13] Miscellaneous fixes for 4.12
Date 2017-04-19 17:20 +0200
Message-ID <txZyF-531-3@gated-at.bofh.it> (permalink)
References (3 earlier) <txWhr-2Xi-17@gated-at.bofh.it> <txWAN-3iG-17@gated-at.bofh.it> <txZ5E-4CC-13@gated-at.bofh.it> <txZfn-4Gn-93@gated-at.bofh.it> <txZp3-4Zt-93@gated-at.bofh.it>
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On Wed, Apr 19, 2017 at 05:03:09PM +0200, Peter Zijlstra wrote:
> On Wed, Apr 19, 2017 at 07:58:44AM -0700, Josh Triplett wrote:
> > 
> > Still something to hesitate a bit before using, but not something
> > checkpatch should warn about.
> 
> How else will you get people to hesitate?

The fact that checkpatch has been warning about it for quite some time
should suffice for the near future.  Longer term, there is no more reason
to complain about synchronize_rcu_expedited() than there is to complain
about smp_call_function().

							Thanx, Paul

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[PATCH tip/core/rcu 0/13] Miscellaneous fixes for 4.12 "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-12 19:00 +0200
  [PATCH tip/core/rcu 04/13] rcu: Make RCU_FANOUT_LEAF help text more explicit about skew_tick "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-12 19:00 +0200
    Re: [PATCH tip/core/rcu 04/13] rcu: Make RCU_FANOUT_LEAF help text  more explicit about skew_tick Peter Zijlstra <peterz@infradead.org> - 2017-04-13 11:20 +0200
      Re: [PATCH tip/core/rcu 04/13] rcu: Make RCU_FANOUT_LEAF help text  more explicit about skew_tick "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-13 18:10 +0200
        Re: [PATCH tip/core/rcu 04/13] rcu: Make RCU_FANOUT_LEAF help text  more explicit about skew_tick Peter Zijlstra <peterz@infradead.org> - 2017-04-13 18:30 +0200
          Re: [PATCH tip/core/rcu 04/13] rcu: Make RCU_FANOUT_LEAF help text  more explicit about skew_tick "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-13 19:00 +0200
            Re: [PATCH tip/core/rcu 04/13] rcu: Make RCU_FANOUT_LEAF help text  more explicit about skew_tick Peter Zijlstra <peterz@infradead.org> - 2017-04-13 19:10 +0200
              Re: [PATCH tip/core/rcu 04/13] rcu: Make RCU_FANOUT_LEAF help text  more explicit about skew_tick "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-13 19:40 +0200
                Re: [PATCH tip/core/rcu 04/13] rcu: Make RCU_FANOUT_LEAF help text  more explicit about skew_tick Peter Zijlstra <peterz@infradead.org> - 2017-04-13 19:50 +0200
                Re: [PATCH tip/core/rcu 04/13] rcu: Make RCU_FANOUT_LEAF help text  more explicit about skew_tick "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-13 20:20 +0200
                Re: [PATCH tip/core/rcu 04/13] rcu: Make RCU_FANOUT_LEAF help text  more explicit about skew_tick Peter Zijlstra <peterz@infradead.org> - 2017-04-13 20:30 +0200
                Re: [PATCH tip/core/rcu 04/13] rcu: Make RCU_FANOUT_LEAF help text  more explicit about skew_tick "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-13 20:50 +0200
                Re: [PATCH tip/core/rcu 04/13] rcu: Make RCU_FANOUT_LEAF help text  more explicit about skew_tick Peter Zijlstra <peterz@infradead.org> - 2017-04-19 15:30 +0200
                Re: [PATCH tip/core/rcu 04/13] rcu: Make RCU_FANOUT_LEAF help text  more explicit about skew_tick Peter Zijlstra <peterz@infradead.org> - 2017-04-19 15:50 +0200
                Re: [PATCH tip/core/rcu 04/13] rcu: Make RCU_FANOUT_LEAF help text  more explicit about skew_tick "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-19 17:10 +0200
                Re: [PATCH tip/core/rcu 04/13] rcu: Make RCU_FANOUT_LEAF help text  more explicit about skew_tick Peter Zijlstra <peterz@infradead.org> - 2017-04-19 17:50 +0200
                Re: [PATCH tip/core/rcu 04/13] rcu: Make RCU_FANOUT_LEAF help text  more explicit about skew_tick "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-19 18:20 +0200
                Re: [PATCH tip/core/rcu 04/13] rcu: Make RCU_FANOUT_LEAF help text  more explicit about skew_tick "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-19 17:00 +0200
                Re: [PATCH tip/core/rcu 04/13] rcu: Make RCU_FANOUT_LEAF help text  more explicit about skew_tick Peter Zijlstra <peterz@infradead.org> - 2017-04-13 20:40 +0200
                Re: [PATCH tip/core/rcu 04/13] rcu: Make RCU_FANOUT_LEAF help text  more explicit about skew_tick "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-13 21:50 +0200
  [PATCH tip/core/rcu 13/13] rcu: Fix typo in PER_RCU_NODE_PERIOD header comment "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-12 19:00 +0200
  [PATCH tip/core/rcu 09/13] mm: Use static initialization for "srcu" "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-12 19:00 +0200
  [PATCH tip/core/rcu 12/13] rcu: Use true/false in assignment to bool "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-12 19:00 +0200
  [PATCH tip/core/rcu 05/13] rcu: Remove obsolete comment from rcu_future_gp_cleanup() header "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-12 19:00 +0200
  [PATCH tip/core/rcu 03/13] types: Update obsolete callback_head comment "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-12 19:00 +0200
  [PATCH tip/core/rcu 11/13] rcu: Use bool value directly "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-12 19:00 +0200
  [PATCH tip/core/rcu 10/13] torture: Use correct path for Kconfig fragment for duplicates "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-12 19:00 +0200
  [PATCH tip/core/rcu 02/13] lockdep: Use "WARNING" tag on lockdep splats "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-12 19:00 +0200
    Re: [PATCH tip/core/rcu 02/13] lockdep: Use "WARNING" tag on lockdep  splats Peter Zijlstra <peterz@infradead.org> - 2017-04-13 11:20 +0200
      Re: [PATCH tip/core/rcu 02/13] lockdep: Use "WARNING" tag on lockdep  splats "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-13 18:10 +0200
  [PATCH tip/core/rcu 06/13] hlist_add_tail_rcu disable sparse warning "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-12 19:00 +0200
  [PATCH tip/core/rcu 01/13] mm: Rename SLAB_DESTROY_BY_RCU to SLAB_TYPESAFE_BY_RCU "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-12 19:10 +0200
    Re: [PATCH tip/core/rcu 01/13] mm: Rename SLAB_DESTROY_BY_RCU to  SLAB_TYPESAFE_BY_RCU Peter Zijlstra <peterz@infradead.org> - 2017-04-13 11:20 +0200
      Re: [PATCH tip/core/rcu 01/13] mm: Rename SLAB_DESTROY_BY_RCU to  SLAB_TYPESAFE_BY_RCU Vlastimil Babka <vbabka@suse.cz> - 2017-04-13 13:10 +0200
        Re: [PATCH tip/core/rcu 01/13] mm: Rename SLAB_DESTROY_BY_RCU to  SLAB_TYPESAFE_BY_RCU "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-13 18:10 +0200
        Re: [PATCH tip/core/rcu 01/13] mm: Rename SLAB_DESTROY_BY_RCU to  SLAB_TYPESAFE_BY_RCU Peter Zijlstra <peterz@infradead.org> - 2017-04-13 18:20 +0200
          Re: [PATCH tip/core/rcu 01/13] mm: Rename SLAB_DESTROY_BY_RCU to  SLAB_TYPESAFE_BY_RCU "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-13 19:30 +0200
          Re: [PATCH tip/core/rcu 01/13] mm: Rename SLAB_DESTROY_BY_RCU to SLAB_TYPESAFE_BY_RCU Eric Dumazet <edumazet@google.com> - 2017-04-13 23:40 +0200
            Re: [PATCH tip/core/rcu 01/13] mm: Rename SLAB_DESTROY_BY_RCU to  SLAB_TYPESAFE_BY_RCU Peter Zijlstra <peterz@infradead.org> - 2017-04-14 10:50 +0200
              Re: [PATCH tip/core/rcu 01/13] mm: Rename SLAB_DESTROY_BY_RCU to  SLAB_TYPESAFE_BY_RCU "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-14 15:50 +0200
  [PATCH v2 tip/core/rcu 0/13] Miscellaneous fixes for 4.12 "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-18 01:30 +0200
    [PATCH v2 tip/core/rcu 11/11] rcu: Fix typo in PER_RCU_NODE_PERIOD header comment "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-18 01:30 +0200
    [PATCH v2 tip/core/rcu 03/11] types: Update obsolete callback_head comment "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-18 01:30 +0200
    [PATCH v2 tip/core/rcu 06/11] hlist_add_tail_rcu disable sparse warning "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-18 01:30 +0200
    [PATCH v2 tip/core/rcu 04/11] rcu: Make RCU_FANOUT_LEAF help text more explicit about skew_tick "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-18 01:40 +0200
      Re: [PATCH v2 tip/core/rcu 04/11] rcu: Make RCU_FANOUT_LEAF help  text more explicit about skew_tick Josh Triplett <josh@joshtriplett.org> - 2017-04-18 02:20 +0200
        Re: [PATCH v2 tip/core/rcu 04/11] rcu: Make RCU_FANOUT_LEAF help  text more explicit about skew_tick "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-18 20:50 +0200
    [PATCH v2 tip/core/rcu 05/11] rcu: Remove obsolete comment from rcu_future_gp_cleanup() header "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-18 01:40 +0200
    [PATCH v2 tip/core/rcu 08/11] torture: Use correct path for Kconfig fragment for duplicates "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-18 01:40 +0200
    [PATCH v2 tip/core/rcu 09/11] rcu: Use bool value directly "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-18 01:40 +0200
    [PATCH v2 tip/core/rcu 10/11] rcu: Use true/false in assignment to bool "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-18 01:40 +0200
    [PATCH v2 tip/core/rcu 01/11] mm: Rename SLAB_DESTROY_BY_RCU to SLAB_TYPESAFE_BY_RCU "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-18 01:40 +0200
      Re: [PATCH v2 tip/core/rcu 01/11] mm: Rename SLAB_DESTROY_BY_RCU to  SLAB_TYPESAFE_BY_RCU David Rientjes <rientjes@google.com> - 2017-04-18 02:20 +0200
    [PATCH v2 tip/core/rcu 02/11] lockdep: Use "WARNING" tag on lockdep splats "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-18 01:40 +0200
      Re: [PATCH v2 tip/core/rcu 02/11] lockdep: Use "WARNING" tag on  lockdep splats Josh Triplett <josh@joshtriplett.org> - 2017-04-19 17:10 +0200
        Re: [PATCH v2 tip/core/rcu 02/11] lockdep: Use "WARNING" tag on  lockdep splats "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-19 18:30 +0200
    [PATCH v2 tip/core/rcu 07/11] rcu: Improve comments for hotplug/suspend/hibernate functions "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-18 01:40 +0200
    Re: [PATCH v2 tip/core/rcu 0/13] Miscellaneous fixes for 4.12 Peter Zijlstra <peterz@infradead.org> - 2017-04-19 13:30 +0200
      Re: [PATCH v2 tip/core/rcu 0/13] Miscellaneous fixes for 4.12 Peter Zijlstra <peterz@infradead.org> - 2017-04-19 13:40 +0200
      Re: [PATCH v2 tip/core/rcu 0/13] Miscellaneous fixes for 4.12 Christian Borntraeger <borntraeger@de.ibm.com> - 2017-04-19 13:50 +0200
        Re: [PATCH v2 tip/core/rcu 0/13] Miscellaneous fixes for 4.12 Peter Zijlstra <peterz@infradead.org> - 2017-04-19 14:10 +0200
          Re: [PATCH v2 tip/core/rcu 0/13] Miscellaneous fixes for 4.12 Marc Zyngier <marc.zyngier@arm.com> - 2017-04-19 15:00 +0200
          Re: [PATCH v2 tip/core/rcu 0/13] Miscellaneous fixes for 4.12 "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-19 16:50 +0200
            Re: [PATCH v2 tip/core/rcu 0/13] Miscellaneous fixes for 4.12 Josh Triplett <josh@joshtriplett.org> - 2017-04-19 17:00 +0200
              Re: [PATCH v2 tip/core/rcu 0/13] Miscellaneous fixes for 4.12 Peter Zijlstra <peterz@infradead.org> - 2017-04-19 17:10 +0200
                Re: [PATCH v2 tip/core/rcu 0/13] Miscellaneous fixes for 4.12 "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-19 17:20 +0200
            Re: [PATCH v2 tip/core/rcu 0/13] Miscellaneous fixes for 4.12 Peter Zijlstra <peterz@infradead.org> - 2017-04-19 17:00 +0200
              Re: [PATCH v2 tip/core/rcu 0/13] Miscellaneous fixes for 4.12 "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-19 17:20 +0200
        Re: [PATCH v2 tip/core/rcu 0/13] Miscellaneous fixes for 4.12 "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-19 15:30 +0200
          Re: [PATCH v2 tip/core/rcu 0/13] Miscellaneous fixes for 4.12 Christian Borntraeger <borntraeger@de.ibm.com> - 2017-04-19 15:30 +0200
      Re: [PATCH v2 tip/core/rcu 0/13] Miscellaneous fixes for 4.12 "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-19 15:10 +0200
        Re: [PATCH v2 tip/core/rcu 0/13] Miscellaneous fixes for 4.12 Peter Zijlstra <peterz@infradead.org> - 2017-04-19 15:20 +0200
          Re: [PATCH v2 tip/core/rcu 0/13] Miscellaneous fixes for 4.12 "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-19 17:40 +0200
            Re: [PATCH v2 tip/core/rcu 0/13] Miscellaneous fixes for 4.12 Peter Zijlstra <peterz@infradead.org> - 2017-04-19 17:50 +0200
              Re: [PATCH v2 tip/core/rcu 0/13] Miscellaneous fixes for 4.12 "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-19 18:20 +0200
    Re: [PATCH v2 tip/core/rcu 0/13] Miscellaneous fixes for 4.12 "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-19 18:50 +0200
      [PATCH v3 tip/core/rcu 06/11] hlist_add_tail_rcu disable sparse warning "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-19 18:50 +0200
      [PATCH v3 tip/core/rcu 11/11] rcu: Fix typo in PER_RCU_NODE_PERIOD header comment "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-19 18:50 +0200
      [PATCH v3 tip/core/rcu 05/11] rcu: Remove obsolete comment from rcu_future_gp_cleanup() header "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-19 18:50 +0200
      [PATCH v3 tip/core/rcu 08/11] torture: Use correct path for Kconfig fragment for duplicates "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-19 18:50 +0200
      [PATCH v3 tip/core/rcu 03/11] types: Update obsolete callback_head comment "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-19 18:50 +0200
      [PATCH v3 tip/core/rcu 10/11] rcu: Use true/false in assignment to bool "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-19 18:50 +0200
      [PATCH v3 tip/core/rcu 07/11] rcu: Improve comments for hotplug/suspend/hibernate functions "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-19 18:50 +0200
      [PATCH v3 tip/core/rcu 04/11] rcu: Make RCU_FANOUT_LEAF help text more explicit about skew_tick "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-19 19:00 +0200
      [PATCH v3 tip/core/rcu 01/11] mm: Rename SLAB_DESTROY_BY_RCU to SLAB_TYPESAFE_BY_RCU "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-19 19:00 +0200

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