From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: linux-kernel@vger.kernel.org, mingo@kernel.org,
jiangshanlai@gmail.com, dipankar@in.ibm.com,
akpm@linux-foundation.org, mathieu.desnoyers@efficios.com,
josh@joshtriplett.org, tglx@linutronix.de, peterz@infradead.org,
dhowells@redhat.com, edumazet@google.com, fweisbec@gmail.com,
oleg@redhat.com, joel@joelfernandes.org
Subject: Re: [PATCH tip/core/rcu 0/52] Remove rcu_state pointers for v4.20/v5.0
Date: Wed, 29 Aug 2018 20:22:16 -0700 [thread overview]
Message-ID: <20180830032216.GF4225@linux.vnet.ibm.com> (raw)
In-Reply-To: <20180829220026.3579e9a1@vmware.local.home>
On Wed, Aug 29, 2018 at 10:00:26PM -0400, Steven Rostedt wrote:
> On Wed, 29 Aug 2018 15:38:30 -0700
> "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> wrote:
>
> > Hello!
> >
> > This commit does RCU-consolidation cleanups that get rid of pointers to
> > the sole remaining rcu_state structure:
> >
> > 1-40: Remove the "rsp" parameter from numerous functions, given that
> > the corresponding argument will always be &rcu_state.
>
> Hmm, couldn't 1-40 have been made into a single patch?
They could. I separated them to make finding the inevitable typos easier.
But at this point, it is easy enough to squash them together, though.
Thanx, Paul
> -- Steve
>
> >
> > 41. Remove rcu_data structure's ->rsp field, now that it always
> > contains a pointer to rcu_state.
> >
> > 42. Remove non-flavor-traversal rsp local variable from tree_plugin.h.
> >
> > 43. Remove the for_each_rcu_flavor() flavor-traversal macro, given
> > that there is now only ever one flavor to traverse.
> >
> > 44. Simplify rcutorture_get_gp_data() based on there now being only
> > one rcu_state structure.
> >
> > 45. Restructure rcu_check_gp_kthread_starvation() based on there
> > now being only one rcu_state structure.
> >
> > 46. Restructure RCU CPU stall warnings based on there now being only
> > one rcu_state structure.
> >
> > 47. Restructure grace-period management code based on there now being
> > only one rcu_state structure.
> >
> > 48. Restructure callback registration/invocation code based on there
> > now being only one rcu_state structure.
> >
> > 49. Restructure quiescent-state and grace-period-nonstart code based
> > on there now being only one rcu_state structure.
> >
> > 50. Restructure rcu_barrier() based on there now being only one
> > rcu_state structure.
> >
> > 51. Restructure initialization code based on there now being only
> > one rcu_state structure.
> >
> > 52. Fix typo in force_qs_rnp()'s parameter's parameter, which was
> > located by searching for "rsp".
> >
> > Thanx, Paul
> >
> > ------------------------------------------------------------------------
> >
> > Documentation/RCU/Design/Data-Structures/Data-Structures.html | 23
> > kernel/rcu/rcu.h | 28
> > kernel/rcu/srcutree.c | 4
> > kernel/rcu/tree.c | 1261 ++++------
> > kernel/rcu/tree.h | 29
> > kernel/rcu/tree_exp.h | 209 -
> > kernel/rcu/tree_plugin.h | 203 -
> > 7 files changed, 784 insertions(+), 973 deletions(-)
>
next prev parent reply other threads:[~2018-08-30 3:22 UTC|newest]
Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-29 22:38 [PATCH tip/core/rcu 0/52] Remove rcu_state pointers for v4.20/v5.0 Paul E. McKenney
2018-08-29 22:38 ` [PATCH tip/core/rcu 01/52] rcu: Remove rsp parameter from rcu_report_qs_rnp() Paul E. McKenney
2018-08-29 22:38 ` [PATCH tip/core/rcu 02/52] rcu: Remove rsp parameter from rcu_report_qs_rsp() Paul E. McKenney
2018-08-29 22:38 ` [PATCH tip/core/rcu 03/52] rcu: Remove rsp parameter from rcu_report_unblock_qs_rnp() Paul E. McKenney
2018-08-29 22:38 ` [PATCH tip/core/rcu 04/52] rcu: Remove rsp parameter from rcu_report_qs_rdp() Paul E. McKenney
2018-08-29 22:38 ` [PATCH tip/core/rcu 05/52] rcu: Remove rsp parameter from rcu_gp_in_progress() Paul E. McKenney
2018-08-29 22:38 ` [PATCH tip/core/rcu 06/52] rcu: Remove rsp parameter from rcu_get_root() Paul E. McKenney
2018-08-29 22:38 ` [PATCH tip/core/rcu 07/52] rcu: Remove rsp parameter from record_gp_stall_check_time() Paul E. McKenney
2018-08-29 22:38 ` [PATCH tip/core/rcu 08/52] rcu: Remove rsp parameter from rcu_check_gp_kthread_starvation() Paul E. McKenney
2018-08-29 22:38 ` [PATCH tip/core/rcu 09/52] rcu: Remove rsp parameter from rcu_dump_cpu_stacks() Paul E. McKenney
2018-08-29 22:38 ` [PATCH tip/core/rcu 10/52] rcu: Remove rsp parameter from rcu_stall_kick_kthreads() Paul E. McKenney
2018-08-29 22:38 ` [PATCH tip/core/rcu 11/52] rcu: Remove rsp parameter from print_other_cpu_stall() Paul E. McKenney
2018-08-29 22:38 ` [PATCH tip/core/rcu 12/52] rcu: Remove rsp parameter from print_cpu_stall() Paul E. McKenney
2018-08-29 22:38 ` [PATCH tip/core/rcu 13/52] rcu: Remove rsp parameter from check_cpu_stall() Paul E. McKenney
2018-08-29 22:38 ` [PATCH tip/core/rcu 14/52] rcu: Remove rsp parameter from rcu_future_gp_cleanup() Paul E. McKenney
2018-08-29 22:38 ` [PATCH tip/core/rcu 15/52] rcu: Remove rsp parameter from rcu_gp_kthread_wake() Paul E. McKenney
2018-08-29 22:38 ` [PATCH tip/core/rcu 16/52] rcu: Remove rsp parameter from rcu_accelerate_cbs() Paul E. McKenney
2018-08-29 22:38 ` [PATCH tip/core/rcu 17/52] rcu: Remove rsp parameter from rcu_accelerate_cbs_unlocked() Paul E. McKenney
2018-08-29 22:38 ` [PATCH tip/core/rcu 18/52] rcu: Remove rsp parameter from rcu_advance_cbs() Paul E. McKenney
2018-08-29 22:38 ` [PATCH tip/core/rcu 19/52] rcu: Remove rsp parameter from __note_gp_changes() Paul E. McKenney
2018-08-29 22:38 ` [PATCH tip/core/rcu 20/52] rcu: Remove rsp parameter from note_gp_changes() Paul E. McKenney
2018-08-29 22:38 ` [PATCH tip/core/rcu 21/52] rcu: Remove rsp parameter from rcu_gp_slow() Paul E. McKenney
2018-08-29 22:38 ` [PATCH tip/core/rcu 22/52] rcu: Remove rsp parameter from rcu_gp_kthread() and friends Paul E. McKenney
2018-08-29 22:38 ` [PATCH tip/core/rcu 23/52] rcu: Remove rsp parameter from rcu_check_quiescent_state() Paul E. McKenney
2018-08-29 22:38 ` [PATCH tip/core/rcu 24/52] rcu: Remove rsp parameter from CPU hotplug functions Paul E. McKenney
2018-08-29 22:38 ` [PATCH tip/core/rcu 25/52] rcu: Remove rsp parameter from rcu_do_batch() Paul E. McKenney
2018-08-29 22:38 ` [PATCH tip/core/rcu 26/52] rcu: Remove rsp parameter from force-quiescent-state functions Paul E. McKenney
2018-08-29 22:38 ` [PATCH tip/core/rcu 27/52] rcu: Remove rsp parameter from rcu_check_gp_start_stall() Paul E. McKenney
2018-08-29 22:38 ` [PATCH tip/core/rcu 28/52] rcu: Remove rsp parameter from __rcu_process_callbacks() Paul E. McKenney
2018-08-29 22:38 ` [PATCH tip/core/rcu 29/52] rcu: Remove rsp parameter from __call_rcu() and friend Paul E. McKenney
2018-08-29 22:38 ` [PATCH tip/core/rcu 30/52] rcu: Remove rsp parameter from __rcu_pending() Paul E. McKenney
2018-08-29 22:38 ` [PATCH tip/core/rcu 31/52] rcu: Remove rsp parameter from _rcu_barrier() and friends Paul E. McKenney
2018-08-29 22:38 ` [PATCH tip/core/rcu 32/52] rcu: Remove rsp parameter from rcu_boot_init_percpu_data() " Paul E. McKenney
2018-08-29 22:38 ` [PATCH tip/core/rcu 33/52] rcu: Remove rsp parameter from rcu_init_one() " Paul E. McKenney
2018-08-29 22:38 ` [PATCH tip/core/rcu 34/52] rcu: Remove rsp parameter from rcu_print_detail_task_stall() Paul E. McKenney
2018-08-29 22:38 ` [PATCH tip/core/rcu 35/52] rcu: Remove rsp parameter from dump_blkd_tasks() and friend Paul E. McKenney
2018-08-29 22:38 ` [PATCH tip/core/rcu 36/52] rcu: Remove rsp parameter from rcu_spawn_one_boost_kthread() Paul E. McKenney
2018-08-29 22:38 ` [PATCH tip/core/rcu 37/52] rcu: Remove rsp parameter from print_cpu_stall_info() Paul E. McKenney
2018-08-29 22:38 ` [PATCH tip/core/rcu 38/52] rcu: Remove rsp parameter from no-CBs CPU functions Paul E. McKenney
2018-08-29 22:38 ` [PATCH tip/core/rcu 39/52] rcu: Remove rsp parameter from expedited grace-period functions Paul E. McKenney
2018-08-29 22:38 ` [PATCH tip/core/rcu 40/52] rcu: Remove rsp parameter from rcu_node tree accessor macros Paul E. McKenney
2018-08-29 22:38 ` [PATCH tip/core/rcu 41/52] rcu: Remove rcu_data structure's ->rsp field Paul E. McKenney
2018-08-29 22:38 ` [PATCH tip/core/rcu 42/52] rcu: Remove last non-flavor-traversal rsp local variable from tree_plugin.h Paul E. McKenney
2018-08-29 22:38 ` [PATCH tip/core/rcu 43/52] rcu: Remove for_each_rcu_flavor() flavor-traversal macro Paul E. McKenney
2018-08-29 22:38 ` [PATCH tip/core/rcu 44/52] rcu: Simplify rcutorture_get_gp_data() Paul E. McKenney
2018-08-29 22:38 ` [PATCH tip/core/rcu 45/52] rcu: Restructure rcu_check_gp_kthread_starvation() Paul E. McKenney
2018-08-29 22:38 ` [PATCH tip/core/rcu 46/52] rcu: Eliminate stall-warning use of rsp Paul E. McKenney
2018-08-29 22:38 ` [PATCH tip/core/rcu 47/52] rcu: Eliminate grace-period management code " Paul E. McKenney
2018-08-29 22:38 ` [PATCH tip/core/rcu 48/52] rcu: Eliminate callback-invocation/invocation " Paul E. McKenney
2018-08-29 22:38 ` [PATCH tip/core/rcu 49/52] rcu: Eliminate quiescent-state and grace-period-nonstart " Paul E. McKenney
2018-08-29 22:38 ` [PATCH tip/core/rcu 50/52] rcu: Eliminate RCU-barrier " Paul E. McKenney
2018-08-29 22:38 ` [PATCH tip/core/rcu 51/52] rcu: Eliminate initialization-time " Paul E. McKenney
2018-08-29 22:38 ` [PATCH tip/core/rcu 52/52] rcu: Fix typo in force_qs_rnp()'s parameter's parameter Paul E. McKenney
2018-08-30 2:00 ` [PATCH tip/core/rcu 0/52] Remove rcu_state pointers for v4.20/v5.0 Steven Rostedt
2018-08-30 3:22 ` Paul E. McKenney [this message]
2018-08-30 4:10 ` Paul E. McKenney
2018-08-30 4:20 ` Josh Triplett
2018-08-30 15:42 ` Steven Rostedt
2018-08-30 15:44 ` Steven Rostedt
2018-08-30 17:10 ` Paul E. McKenney
2018-08-30 17:40 ` Steven Rostedt
2018-08-30 18:26 ` Paul E. McKenney
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