diff options
Diffstat (limited to 'Documentation/RCU/Design/Memory-Ordering')
5 files changed, 18 insertions, 18 deletions
diff --git a/Documentation/RCU/Design/Memory-Ordering/Tree-RCU-Memory-Ordering.rst b/Documentation/RCU/Design/Memory-Ordering/Tree-RCU-Memory-Ordering.rst index 728b1e690c64..1a5ff1a9f02e 100644 --- a/Documentation/RCU/Design/Memory-Ordering/Tree-RCU-Memory-Ordering.rst +++ b/Documentation/RCU/Design/Memory-Ordering/Tree-RCU-Memory-Ordering.rst @@ -147,10 +147,10 @@ RCU read-side critical sections preceding and following the current idle sojourn. This case is handled by calls to the strongly ordered ``atomic_add_return()`` read-modify-write atomic operation that -is invoked within ``rcu_dynticks_eqs_enter()`` at idle-entry -time and within ``rcu_dynticks_eqs_exit()`` at idle-exit time. -The grace-period kthread invokes first ``ct_dynticks_cpu_acquire()`` -(preceded by a full memory barrier) and ``rcu_dynticks_in_eqs_since()`` +is invoked within ``ct_kernel_exit_state()`` at idle-entry +time and within ``ct_kernel_enter_state()`` at idle-exit time. +The grace-period kthread invokes first ``ct_rcu_watching_cpu_acquire()`` +(preceded by a full memory barrier) and ``rcu_watching_snap_stopped_since()`` (both of which rely on acquire semantics) to detect idle CPUs. +-----------------------------------------------------------------------+ diff --git a/Documentation/RCU/Design/Memory-Ordering/TreeRCU-dyntick.svg b/Documentation/RCU/Design/Memory-Ordering/TreeRCU-dyntick.svg index 423df00c4df9..3fbc19c48a58 100644 --- a/Documentation/RCU/Design/Memory-Ordering/TreeRCU-dyntick.svg +++ b/Documentation/RCU/Design/Memory-Ordering/TreeRCU-dyntick.svg @@ -528,7 +528,7 @@ font-style="normal" y="-8652.5312" x="2466.7822" - xml:space="preserve">dyntick_save_progress_counter()</text> + xml:space="preserve">rcu_watching_snap_save()</text> <text style="font-size:192px;font-style:normal;font-weight:bold;text-anchor:start;fill:#000000;stroke-width:0.025in;font-family:Courier" id="text202-7-2-7-2-0" @@ -537,7 +537,7 @@ font-style="normal" y="-8368.1475" x="2463.3262" - xml:space="preserve">rcu_implicit_dynticks_qs()</text> + xml:space="preserve">rcu_watching_snap_recheck()</text> </g> <g id="g4504" @@ -607,7 +607,7 @@ font-weight="bold" font-size="192" id="text202-7-5-3-27-6" - style="font-size:192px;font-style:normal;font-weight:bold;text-anchor:start;fill:#000000;stroke-width:0.025in;font-family:Courier">rcu_dynticks_eqs_enter()</text> + style="font-size:192px;font-style:normal;font-weight:bold;text-anchor:start;fill:#000000;stroke-width:0.025in;font-family:Courier">ct_kernel_exit_state()</text> <text xml:space="preserve" x="3745.7725" @@ -638,7 +638,7 @@ font-weight="bold" font-size="192" id="text202-7-5-3-27-6-1" - style="font-size:192px;font-style:normal;font-weight:bold;text-anchor:start;fill:#000000;stroke-width:0.025in;font-family:Courier">rcu_dynticks_eqs_exit()</text> + style="font-size:192px;font-style:normal;font-weight:bold;text-anchor:start;fill:#000000;stroke-width:0.025in;font-family:Courier">ct_kernel_enter_state()</text> <text xml:space="preserve" x="3745.7725" diff --git a/Documentation/RCU/Design/Memory-Ordering/TreeRCU-gp-fqs.svg b/Documentation/RCU/Design/Memory-Ordering/TreeRCU-gp-fqs.svg index d82a77d03d8c..25c7acc8a4c2 100644 --- a/Documentation/RCU/Design/Memory-Ordering/TreeRCU-gp-fqs.svg +++ b/Documentation/RCU/Design/Memory-Ordering/TreeRCU-gp-fqs.svg @@ -844,7 +844,7 @@ font-style="normal" y="1547.8876" x="4417.6396" - xml:space="preserve">dyntick_save_progress_counter()</text> + xml:space="preserve">rcu_watching_snap_save()</text> <g style="fill:none;stroke-width:0.025in" transform="translate(6501.9719,-10685.904)" @@ -899,7 +899,7 @@ font-style="normal" y="1858.8729" x="4414.1836" - xml:space="preserve">rcu_implicit_dynticks_qs()</text> + xml:space="preserve">rcu_watching_snap_recheck()</text> <text xml:space="preserve" x="14659.87" @@ -977,7 +977,7 @@ font-weight="bold" font-size="192" id="text202-7-5-3-27-6" - style="font-size:192px;font-style:normal;font-weight:bold;text-anchor:start;fill:#000000;stroke-width:0.025in;font-family:Courier">rcu_dynticks_eqs_enter()</text> + style="font-size:192px;font-style:normal;font-weight:bold;text-anchor:start;fill:#000000;stroke-width:0.025in;font-family:Courier">ct_kernel_exit_state()</text> <text xml:space="preserve" x="3745.7725" @@ -1008,7 +1008,7 @@ font-weight="bold" font-size="192" id="text202-7-5-3-27-6-1" - style="font-size:192px;font-style:normal;font-weight:bold;text-anchor:start;fill:#000000;stroke-width:0.025in;font-family:Courier">rcu_dynticks_eqs_exit()</text> + style="font-size:192px;font-style:normal;font-weight:bold;text-anchor:start;fill:#000000;stroke-width:0.025in;font-family:Courier">ct_kernel_enter_state()</text> <text xml:space="preserve" x="3745.7725" diff --git a/Documentation/RCU/Design/Memory-Ordering/TreeRCU-gp.svg b/Documentation/RCU/Design/Memory-Ordering/TreeRCU-gp.svg index 53e0dc2a2c79..d05bc7b27edb 100644 --- a/Documentation/RCU/Design/Memory-Ordering/TreeRCU-gp.svg +++ b/Documentation/RCU/Design/Memory-Ordering/TreeRCU-gp.svg @@ -2974,7 +2974,7 @@ font-style="normal" y="38114.047" x="-334.33856" - xml:space="preserve">dyntick_save_progress_counter()</text> + xml:space="preserve">rcu_watching_snap_save()</text> <g style="fill:none;stroke-width:0.025in" transform="translate(1749.9916,25880.249)" @@ -3029,7 +3029,7 @@ font-style="normal" y="38425.035" x="-337.79462" - xml:space="preserve">rcu_implicit_dynticks_qs()</text> + xml:space="preserve">rcu_watching_snap_recheck()</text> <text xml:space="preserve" x="9907.8887" @@ -3107,7 +3107,7 @@ font-weight="bold" font-size="192" id="text202-7-5-3-27-6" - style="font-size:192px;font-style:normal;font-weight:bold;text-anchor:start;fill:#000000;stroke-width:0.025in;font-family:Courier">rcu_dynticks_eqs_enter()</text> + style="font-size:192px;font-style:normal;font-weight:bold;text-anchor:start;fill:#000000;stroke-width:0.025in;font-family:Courier">ct_kernel_exit_state()</text> <text xml:space="preserve" x="3745.7725" @@ -3138,7 +3138,7 @@ font-weight="bold" font-size="192" id="text202-7-5-3-27-6-1" - style="font-size:192px;font-style:normal;font-weight:bold;text-anchor:start;fill:#000000;stroke-width:0.025in;font-family:Courier">rcu_dynticks_eqs_exit()</text> + style="font-size:192px;font-style:normal;font-weight:bold;text-anchor:start;fill:#000000;stroke-width:0.025in;font-family:Courier">ct_kernel_enter_state()</text> <text xml:space="preserve" x="3745.7725" diff --git a/Documentation/RCU/Design/Memory-Ordering/TreeRCU-hotplug.svg b/Documentation/RCU/Design/Memory-Ordering/TreeRCU-hotplug.svg index 4fa7506082bf..a92356ce4011 100644 --- a/Documentation/RCU/Design/Memory-Ordering/TreeRCU-hotplug.svg +++ b/Documentation/RCU/Design/Memory-Ordering/TreeRCU-hotplug.svg @@ -516,7 +516,7 @@ font-style="normal" y="-8652.5312" x="2466.7822" - xml:space="preserve">dyntick_save_progress_counter()</text> + xml:space="preserve">rcu_watching_snap_save()</text> <text style="font-size:192px;font-style:normal;font-weight:bold;text-anchor:start;fill:#000000;stroke-width:0.025in;font-family:Courier" id="text202-7-2-7-2-0" @@ -525,7 +525,7 @@ font-style="normal" y="-8368.1475" x="2463.3262" - xml:space="preserve">rcu_implicit_dynticks_qs()</text> + xml:space="preserve">rcu_watching_snap_recheck()</text> <text sodipodi:linespacing="125%" style="font-size:192px;font-style:normal;font-weight:bold;line-height:125%;text-anchor:start;fill:#000000;stroke-width:0.025in;font-family:Courier" |
