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authorLinus Torvalds <torvalds@linux-foundation.org>2019-03-05 14:49:11 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2019-03-05 14:49:11 -0800
commit3717f613f48df0222311f974cf8a06c8a6c97bae (patch)
tree454a8b48db876805e27038486af71d16d2be98de /Documentation/RCU/Design/Memory-Ordering
parentb1b988a6a035212f5ea205155c49ce449beedee8 (diff)
parentcae45e1c6c541283a1bd155aa7b0a57e353b4df4 (diff)
Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull RCU updates from Ingo Molnar: "The main RCU related changes in this cycle were: - Additional cleanups after RCU flavor consolidation - Grace-period forward-progress cleanups and improvements - Documentation updates - Miscellaneous fixes - spin_is_locked() conversions to lockdep - SPDX changes to RCU source and header files - SRCU updates - Torture-test updates, including nolibc updates and moving nolibc to tools/include" * 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (71 commits) locking/locktorture: Convert to SPDX license identifier linux/torture: Convert to SPDX license identifier torture: Convert to SPDX license identifier linux/srcu: Convert to SPDX license identifier linux/rcutree: Convert to SPDX license identifier linux/rcutiny: Convert to SPDX license identifier linux/rcu_sync: Convert to SPDX license identifier linux/rcu_segcblist: Convert to SPDX license identifier linux/rcupdate: Convert to SPDX license identifier linux/rcu_node_tree: Convert to SPDX license identifier rcu/update: Convert to SPDX license identifier rcu/tree: Convert to SPDX license identifier rcu/tiny: Convert to SPDX license identifier rcu/sync: Convert to SPDX license identifier rcu/srcu: Convert to SPDX license identifier rcu/rcutorture: Convert to SPDX license identifier rcu/rcu_segcblist: Convert to SPDX license identifier rcu/rcuperf: Convert to SPDX license identifier rcu/rcu.h: Convert to SPDX license identifier RCU/torture.txt: Remove section MODULE PARAMETERS ...
Diffstat (limited to 'Documentation/RCU/Design/Memory-Ordering')
-rw-r--r--Documentation/RCU/Design/Memory-Ordering/Tree-RCU-Memory-Ordering.html6
-rw-r--r--Documentation/RCU/Design/Memory-Ordering/TreeRCU-callback-invocation.svg2
-rw-r--r--Documentation/RCU/Design/Memory-Ordering/TreeRCU-gp.svg8
-rw-r--r--Documentation/RCU/Design/Memory-Ordering/TreeRCU-qs.svg6
4 files changed, 11 insertions, 11 deletions
diff --git a/Documentation/RCU/Design/Memory-Ordering/Tree-RCU-Memory-Ordering.html b/Documentation/RCU/Design/Memory-Ordering/Tree-RCU-Memory-Ordering.html
index e4d94fba6c89..8d21af02b1f0 100644
--- a/Documentation/RCU/Design/Memory-Ordering/Tree-RCU-Memory-Ordering.html
+++ b/Documentation/RCU/Design/Memory-Ordering/Tree-RCU-Memory-Ordering.html
@@ -485,13 +485,13 @@ section that the grace period must wait on.
noted by <tt>rcu_node_context_switch()</tt> on the left.
On the other hand, if the CPU takes a scheduler-clock interrupt
while executing in usermode, a quiescent state will be noted by
-<tt>rcu_check_callbacks()</tt> on the right.
+<tt>rcu_sched_clock_irq()</tt> on the right.
Either way, the passage through a quiescent state will be noted
in a per-CPU variable.
<p>The next time an <tt>RCU_SOFTIRQ</tt> handler executes on
this CPU (for example, after the next scheduler-clock
-interrupt), <tt>__rcu_process_callbacks()</tt> will invoke
+interrupt), <tt>rcu_core()</tt> will invoke
<tt>rcu_check_quiescent_state()</tt>, which will notice the
recorded quiescent state, and invoke
<tt>rcu_report_qs_rdp()</tt>.
@@ -651,7 +651,7 @@ to end.
These callbacks are identified by <tt>rcu_advance_cbs()</tt>,
which is usually invoked by <tt>__note_gp_changes()</tt>.
As shown in the diagram below, this invocation can be triggered by
-the scheduling-clock interrupt (<tt>rcu_check_callbacks()</tt> on
+the scheduling-clock interrupt (<tt>rcu_sched_clock_irq()</tt> on
the left) or by idle entry (<tt>rcu_cleanup_after_idle()</tt> on
the right, but only for kernels build with
<tt>CONFIG_RCU_FAST_NO_HZ=y</tt>).
diff --git a/Documentation/RCU/Design/Memory-Ordering/TreeRCU-callback-invocation.svg b/Documentation/RCU/Design/Memory-Ordering/TreeRCU-callback-invocation.svg
index 832408313d93..3fcf0c17cef2 100644
--- a/Documentation/RCU/Design/Memory-Ordering/TreeRCU-callback-invocation.svg
+++ b/Documentation/RCU/Design/Memory-Ordering/TreeRCU-callback-invocation.svg
@@ -349,7 +349,7 @@
font-weight="bold"
font-size="192"
id="text202-7-5"
- style="font-size:192px;font-style:normal;font-weight:bold;text-anchor:start;fill:#000000;stroke-width:0.025in;font-family:Courier">rcu_check_callbacks()</text>
+ style="font-size:192px;font-style:normal;font-weight:bold;text-anchor:start;fill:#000000;stroke-width:0.025in;font-family:Courier">rcu_sched_clock_irq()</text>
<rect
x="7069.6187"
y="5087.4678"
diff --git a/Documentation/RCU/Design/Memory-Ordering/TreeRCU-gp.svg b/Documentation/RCU/Design/Memory-Ordering/TreeRCU-gp.svg
index acd73c7ad0f4..2bcd742d6e49 100644
--- a/Documentation/RCU/Design/Memory-Ordering/TreeRCU-gp.svg
+++ b/Documentation/RCU/Design/Memory-Ordering/TreeRCU-gp.svg
@@ -3902,7 +3902,7 @@
font-style="normal"
y="-4418.6582"
x="3745.7725"
- xml:space="preserve">rcu_check_callbacks()</text>
+ xml:space="preserve">rcu_sched_clock_irq()</text>
</g>
<g
transform="translate(-850.30204,55463.106)"
@@ -3924,7 +3924,7 @@
font-style="normal"
y="-4418.6582"
x="3745.7725"
- xml:space="preserve">rcu_process_callbacks()</text>
+ xml:space="preserve">rcu_core()</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="text202-7-5-3-27-0"
@@ -3933,7 +3933,7 @@
font-style="normal"
y="-4165.7954"
x="3745.7725"
- xml:space="preserve">rcu_check_quiescent_state())</text>
+ xml:space="preserve">rcu_check_quiescent_state()</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="text202-7-5-3-27-0-9"
@@ -4968,7 +4968,7 @@
font-weight="bold"
font-size="192"
id="text202-7-5-19"
- style="font-size:192px;font-style:normal;font-weight:bold;text-anchor:start;fill:#000000;stroke-width:0.025in;font-family:Courier">rcu_check_callbacks()</text>
+ style="font-size:192px;font-style:normal;font-weight:bold;text-anchor:start;fill:#000000;stroke-width:0.025in;font-family:Courier">rcu_sched_clock_irq()</text>
<rect
x="5314.2671"
y="82817.688"
diff --git a/Documentation/RCU/Design/Memory-Ordering/TreeRCU-qs.svg b/Documentation/RCU/Design/Memory-Ordering/TreeRCU-qs.svg
index 149bec2a4493..779c9ac31a52 100644
--- a/Documentation/RCU/Design/Memory-Ordering/TreeRCU-qs.svg
+++ b/Documentation/RCU/Design/Memory-Ordering/TreeRCU-qs.svg
@@ -775,7 +775,7 @@
font-style="normal"
y="-4418.6582"
x="3745.7725"
- xml:space="preserve">rcu_check_callbacks()</text>
+ xml:space="preserve">rcu_sched_clock_irq()</text>
</g>
<g
transform="translate(399.7744,828.86448)"
@@ -797,7 +797,7 @@
font-style="normal"
y="-4418.6582"
x="3745.7725"
- xml:space="preserve">rcu_process_callbacks()</text>
+ xml:space="preserve">rcu_core()</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="text202-7-5-3-27-0"
@@ -806,7 +806,7 @@
font-style="normal"
y="-4165.7954"
x="3745.7725"
- xml:space="preserve">rcu_check_quiescent_state())</text>
+ xml:space="preserve">rcu_check_quiescent_state()</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="text202-7-5-3-27-0-9"