From bb7e5ce7dde6f42e7793bd6cf4b1eb71a20145aa Mon Sep 17 00:00:00 2001
From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Date: Mon, 7 Aug 2017 17:23:20 -0700
Subject: documentation: RCU grace-period memory ordering guarantees

This commit provides text and diagrams showing how Tree RCU implements
its grace-period memory ordering guarantees.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
---
 .../RCU/Design/Memory-Ordering/TreeRCU-hotplug.svg | 775 +++++++++++++++++++++
 1 file changed, 775 insertions(+)
 create mode 100644 Documentation/RCU/Design/Memory-Ordering/TreeRCU-hotplug.svg

(limited to 'Documentation/RCU/Design/Memory-Ordering/TreeRCU-hotplug.svg')

diff --git a/Documentation/RCU/Design/Memory-Ordering/TreeRCU-hotplug.svg b/Documentation/RCU/Design/Memory-Ordering/TreeRCU-hotplug.svg
new file mode 100644
index 000000000000..2c9310ba29ba
--- /dev/null
+++ b/Documentation/RCU/Design/Memory-Ordering/TreeRCU-hotplug.svg
@@ -0,0 +1,775 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Creator: fig2dev Version 3.2 Patchlevel 5e -->
+
+<!-- CreationDate: Wed Dec  9 17:35:03 2015 -->
+
+<!-- Magnification: 2.000 -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="613.22784"
+   height="707.07056"
+   viewBox="-44 -44 8154.7829 9398.3736"
+   id="svg2"
+   version="1.1"
+   inkscape:version="0.48.4 r9939"
+   sodipodi:docname="TreeRCU-hotplug.svg">
+  <metadata
+     id="metadata212">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title />
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <defs
+     id="defs210">
+    <marker
+       inkscape:stockid="Arrow1Send"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow1Send"
+       style="overflow:visible">
+      <path
+         id="path3940"
+         d="M 0,0 5,-5 -12.5,0 5,5 0,0 z"
+         style="fill-rule:evenodd;stroke:#000000;stroke-width:1pt"
+         transform="matrix(-0.2,0,0,-0.2,-1.2,0)"
+         inkscape:connector-curvature="0" />
+    </marker>
+    <marker
+       inkscape:stockid="TriangleOutS"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="TriangleOutS"
+       style="overflow:visible">
+      <path
+         id="path4073"
+         d="m 5.77,0 -8.65,5 0,-10 8.65,5 z"
+         style="fill-rule:evenodd;stroke:#000000;stroke-width:1pt"
+         transform="scale(0.2,0.2)"
+         inkscape:connector-curvature="0" />
+    </marker>
+    <marker
+       inkscape:stockid="TriangleOutM"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="TriangleOutM"
+       style="overflow:visible">
+      <path
+         id="path4070"
+         d="m 5.77,0 -8.65,5 0,-10 8.65,5 z"
+         style="fill-rule:evenodd;stroke:#000000;stroke-width:1pt"
+         transform="scale(0.4,0.4)"
+         inkscape:connector-curvature="0" />
+    </marker>
+    <marker
+       inkscape:stockid="Arrow2Mend"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow2Mend"
+       style="overflow:visible">
+      <path
+         id="path3952"
+         style="fill-rule:evenodd;stroke-width:0.625;stroke-linejoin:round"
+         d="M 8.7185878,4.0337352 -2.2072895,0.01601326 8.7185884,-4.0017078 c -1.7454984,2.3720609 -1.7354408,5.6174519 -6e-7,8.035443 z"
+         transform="scale(-0.6,-0.6)"
+         inkscape:connector-curvature="0" />
+    </marker>
+    <marker
+       inkscape:stockid="Arrow2Lend"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow2Lend"
+       style="overflow:visible">
+      <path
+         id="path3946"
+         style="fill-rule:evenodd;stroke-width:0.625;stroke-linejoin:round"
+         d="M 8.7185878,4.0337352 -2.2072895,0.01601326 8.7185884,-4.0017078 c -1.7454984,2.3720609 -1.7354408,5.6174519 -6e-7,8.035443 z"
+         transform="matrix(-1.1,0,0,-1.1,-1.1,0)"
+         inkscape:connector-curvature="0" />
+    </marker>
+    <marker
+       inkscape:stockid="Arrow1Mend"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow1Mend"
+       style="overflow:visible">
+      <path
+         id="path3970"
+         d="M 0,0 5,-5 -12.5,0 5,5 0,0 z"
+         style="fill-rule:evenodd;stroke:#000000;stroke-width:1pt"
+         transform="matrix(-0.4,0,0,-0.4,-4,0)"
+         inkscape:connector-curvature="0" />
+    </marker>
+    <marker
+       inkscape:stockid="Arrow2Mend"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow2Mend-7"
+       style="overflow:visible">
+      <path
+         inkscape:connector-curvature="0"
+         id="path3952-0"
+         style="fill-rule:evenodd;stroke-width:0.625;stroke-linejoin:round"
+         d="M 8.7185878,4.0337352 -2.2072895,0.01601326 8.7185884,-4.0017078 c -1.7454984,2.3720609 -1.7354408,5.6174519 -6e-7,8.035443 z"
+         transform="scale(-0.6,-0.6)" />
+    </marker>
+    <marker
+       inkscape:stockid="Arrow1Send"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow1Send-3"
+       style="overflow:visible">
+      <path
+         inkscape:connector-curvature="0"
+         id="path3940-6"
+         d="M 0,0 5,-5 -12.5,0 5,5 0,0 z"
+         style="fill-rule:evenodd;stroke:#000000;stroke-width:1pt"
+         transform="matrix(-0.2,0,0,-0.2,-1.2,0)" />
+    </marker>
+    <marker
+       inkscape:stockid="Arrow1Send"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow1Send-1"
+       style="overflow:visible">
+      <path
+         inkscape:connector-curvature="0"
+         id="path3940-2"
+         d="M 0,0 5,-5 -12.5,0 5,5 0,0 z"
+         style="fill-rule:evenodd;stroke:#000000;stroke-width:1pt"
+         transform="matrix(-0.2,0,0,-0.2,-1.2,0)" />
+    </marker>
+    <marker
+       inkscape:stockid="Arrow1Send"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow1Send-0"
+       style="overflow:visible">
+      <path
+         inkscape:connector-curvature="0"
+         id="path3940-9"
+         d="M 0,0 5,-5 -12.5,0 5,5 0,0 z"
+         style="fill-rule:evenodd;stroke:#000000;stroke-width:1pt"
+         transform="matrix(-0.2,0,0,-0.2,-1.2,0)" />
+    </marker>
+    <marker
+       inkscape:stockid="Arrow2Lend"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow2Lend-3"
+       style="overflow:visible">
+      <path
+         id="path3946-1"
+         style="fill-rule:evenodd;stroke-width:0.625;stroke-linejoin:round"
+         d="M 8.7185878,4.0337352 -2.2072895,0.01601326 8.7185884,-4.0017078 c -1.7454984,2.3720609 -1.7354408,5.6174519 -6e-7,8.035443 z"
+         transform="matrix(-1.1,0,0,-1.1,-1.1,0)"
+         inkscape:connector-curvature="0" />
+    </marker>
+    <marker
+       inkscape:stockid="Arrow2Lend"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow2Lend-4"
+       style="overflow:visible">
+      <path
+         id="path3946-7"
+         style="fill-rule:evenodd;stroke-width:0.625;stroke-linejoin:round"
+         d="M 8.7185878,4.0337352 -2.2072895,0.01601326 8.7185884,-4.0017078 c -1.7454984,2.3720609 -1.7354408,5.6174519 -6e-7,8.035443 z"
+         transform="matrix(-1.1,0,0,-1.1,-1.1,0)"
+         inkscape:connector-curvature="0" />
+    </marker>
+    <marker
+       inkscape:stockid="Arrow2Lend"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="marker4880"
+       style="overflow:visible">
+      <path
+         id="path4882"
+         style="fill-rule:evenodd;stroke-width:0.625;stroke-linejoin:round"
+         d="M 8.7185878,4.0337352 -2.2072895,0.01601326 8.7185884,-4.0017078 c -1.7454984,2.3720609 -1.7354408,5.6174519 -6e-7,8.035443 z"
+         transform="matrix(-1.1,0,0,-1.1,-1.1,0)"
+         inkscape:connector-curvature="0" />
+    </marker>
+    <marker
+       inkscape:stockid="Arrow2Lend"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow2Lend-5"
+       style="overflow:visible">
+      <path
+         id="path3946-0"
+         style="fill-rule:evenodd;stroke-width:0.625;stroke-linejoin:round"
+         d="M 8.7185878,4.0337352 -2.2072895,0.01601326 8.7185884,-4.0017078 c -1.7454984,2.3720609 -1.7354408,5.6174519 -6e-7,8.035443 z"
+         transform="matrix(-1.1,0,0,-1.1,-1.1,0)"
+         inkscape:connector-curvature="0" />
+    </marker>
+    <marker
+       inkscape:stockid="Arrow2Lend"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow2Lend-6"
+       style="overflow:visible">
+      <path
+         id="path3946-10"
+         style="fill-rule:evenodd;stroke-width:0.625;stroke-linejoin:round"
+         d="M 8.7185878,4.0337352 -2.2072895,0.01601326 8.7185884,-4.0017078 c -1.7454984,2.3720609 -1.7354408,5.6174519 -6e-7,8.035443 z"
+         transform="matrix(-1.1,0,0,-1.1,-1.1,0)"
+         inkscape:connector-curvature="0" />
+    </marker>
+    <marker
+       inkscape:stockid="Arrow1Send"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow1Send-36"
+       style="overflow:visible">
+      <path
+         id="path3940-0"
+         d="M 0,0 5,-5 -12.5,0 5,5 0,0 z"
+         style="fill-rule:evenodd;stroke:#000000;stroke-width:1pt"
+         transform="matrix(-0.2,0,0,-0.2,-1.2,0)"
+         inkscape:connector-curvature="0" />
+    </marker>
+    <marker
+       inkscape:stockid="Arrow1Send"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow1Send-6"
+       style="overflow:visible">
+      <path
+         id="path3940-26"
+         d="M 0,0 5,-5 -12.5,0 5,5 0,0 z"
+         style="fill-rule:evenodd;stroke:#000000;stroke-width:1pt"
+         transform="matrix(-0.2,0,0,-0.2,-1.2,0)"
+         inkscape:connector-curvature="0" />
+    </marker>
+    <marker
+       inkscape:stockid="Arrow1Send"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow1Send-8"
+       style="overflow:visible">
+      <path
+         id="path3940-7"
+         d="M 0,0 5,-5 -12.5,0 5,5 0,0 z"
+         style="fill-rule:evenodd;stroke:#000000;stroke-width:1pt"
+         transform="matrix(-0.2,0,0,-0.2,-1.2,0)"
+         inkscape:connector-curvature="0" />
+    </marker>
+    <marker
+       inkscape:stockid="Arrow1Send"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow1Send-367"
+       style="overflow:visible">
+      <path
+         id="path3940-5"
+         d="M 0,0 5,-5 -12.5,0 5,5 0,0 z"
+         style="fill-rule:evenodd;stroke:#000000;stroke-width:1pt"
+         transform="matrix(-0.2,0,0,-0.2,-1.2,0)"
+         inkscape:connector-curvature="0" />
+    </marker>
+    <marker
+       inkscape:stockid="Arrow2Lend"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow2Lend-56"
+       style="overflow:visible">
+      <path
+         id="path3946-2"
+         style="fill-rule:evenodd;stroke-width:0.625;stroke-linejoin:round"
+         d="M 8.7185878,4.0337352 -2.2072895,0.01601326 8.7185884,-4.0017078 c -1.7454984,2.3720609 -1.7354408,5.6174519 -6e-7,8.035443 z"
+         transform="matrix(-1.1,0,0,-1.1,-1.1,0)"
+         inkscape:connector-curvature="0" />
+    </marker>
+    <marker
+       inkscape:stockid="Arrow2Lend"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="marker3081"
+       style="overflow:visible">
+      <path
+         id="path3083"
+         style="fill-rule:evenodd;stroke-width:0.625;stroke-linejoin:round"
+         d="M 8.7185878,4.0337352 -2.2072895,0.01601326 8.7185884,-4.0017078 c -1.7454984,2.3720609 -1.7354408,5.6174519 -6e-7,8.035443 z"
+         transform="matrix(-1.1,0,0,-1.1,-1.1,0)"
+         inkscape:connector-curvature="0" />
+    </marker>
+    <marker
+       inkscape:stockid="Arrow2Lend"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="marker3085"
+       style="overflow:visible">
+      <path
+         id="path3087"
+         style="fill-rule:evenodd;stroke-width:0.625;stroke-linejoin:round"
+         d="M 8.7185878,4.0337352 -2.2072895,0.01601326 8.7185884,-4.0017078 c -1.7454984,2.3720609 -1.7354408,5.6174519 -6e-7,8.035443 z"
+         transform="matrix(-1.1,0,0,-1.1,-1.1,0)"
+         inkscape:connector-curvature="0" />
+    </marker>
+    <marker
+       inkscape:stockid="Arrow2Lend"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="marker3089"
+       style="overflow:visible">
+      <path
+         id="path3091"
+         style="fill-rule:evenodd;stroke-width:0.625;stroke-linejoin:round"
+         d="M 8.7185878,4.0337352 -2.2072895,0.01601326 8.7185884,-4.0017078 c -1.7454984,2.3720609 -1.7354408,5.6174519 -6e-7,8.035443 z"
+         transform="matrix(-1.1,0,0,-1.1,-1.1,0)"
+         inkscape:connector-curvature="0" />
+    </marker>
+    <marker
+       inkscape:stockid="Arrow2Lend"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="marker3093"
+       style="overflow:visible">
+      <path
+         id="path3095"
+         style="fill-rule:evenodd;stroke-width:0.625;stroke-linejoin:round"
+         d="M 8.7185878,4.0337352 -2.2072895,0.01601326 8.7185884,-4.0017078 c -1.7454984,2.3720609 -1.7354408,5.6174519 -6e-7,8.035443 z"
+         transform="matrix(-1.1,0,0,-1.1,-1.1,0)"
+         inkscape:connector-curvature="0" />
+    </marker>
+    <marker
+       inkscape:stockid="Arrow2Lend"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="marker3097"
+       style="overflow:visible">
+      <path
+         id="path3099"
+         style="fill-rule:evenodd;stroke-width:0.625;stroke-linejoin:round"
+         d="M 8.7185878,4.0337352 -2.2072895,0.01601326 8.7185884,-4.0017078 c -1.7454984,2.3720609 -1.7354408,5.6174519 -6e-7,8.035443 z"
+         transform="matrix(-1.1,0,0,-1.1,-1.1,0)"
+         inkscape:connector-curvature="0" />
+    </marker>
+    <marker
+       inkscape:stockid="Arrow1Send"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow1Send-9"
+       style="overflow:visible">
+      <path
+         id="path3940-1"
+         d="M 0,0 5,-5 -12.5,0 5,5 0,0 z"
+         style="fill-rule:evenodd;stroke:#000000;stroke-width:1pt"
+         transform="matrix(-0.2,0,0,-0.2,-1.2,0)"
+         inkscape:connector-curvature="0" />
+    </marker>
+    <marker
+       inkscape:stockid="Arrow1Send"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow1Send-3675"
+       style="overflow:visible">
+      <path
+         id="path3940-3"
+         d="M 0,0 5,-5 -12.5,0 5,5 0,0 z"
+         style="fill-rule:evenodd;stroke:#000000;stroke-width:1pt"
+         transform="matrix(-0.2,0,0,-0.2,-1.2,0)"
+         inkscape:connector-curvature="0" />
+    </marker>
+  </defs>
+  <sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="1087"
+     inkscape:window-height="1148"
+     id="namedview208"
+     showgrid="true"
+     inkscape:zoom="1.4142136"
+     inkscape:cx="325.41695"
+     inkscape:cy="364.94502"
+     inkscape:window-x="833"
+     inkscape:window-y="24"
+     inkscape:window-maximized="0"
+     inkscape:current-layer="svg2"
+     fit-margin-top="5"
+     fit-margin-right="5"
+     fit-margin-left="5"
+     fit-margin-bottom="5"
+     inkscape:snap-global="false">
+    <inkscape:grid
+       type="xygrid"
+       id="grid3154"
+       empspacing="5"
+       visible="true"
+       enabled="true"
+       snapvisiblegridlinesonly="true"
+       originx="65.610033px"
+       originy="-659.12429px" />
+  </sodipodi:namedview>
+  <path
+     sodipodi:nodetypes="cc"
+     inkscape:connector-curvature="0"
+     id="path3134-9-0-3-1-3-5"
+     d="m 5749.1555,47.151064 2.828,9167.338436"
+     style="fill:none;stroke:#969696;stroke-width:53.19251633;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none;marker-end:url(#Arrow1Send)" />
+  <path
+     sodipodi:nodetypes="ccc"
+     inkscape:connector-curvature="0"
+     id="path3134-9-0-3-1"
+     d="m 5746.8844,5080.2018 -4107.7813,-0.8434 20.2152,2632.0511"
+     style="fill:none;stroke:#969696;stroke-width:53.19251633;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none;marker-end:url(#Arrow1Send)" />
+  <path
+     sodipodi:nodetypes="ccc"
+     inkscape:connector-curvature="0"
+     id="path3134-9-0-3-1-3"
+     d="m 1629.8595,1633.6804 12.2312,2669.7294 4055.5945,7.7159"
+     style="fill:none;stroke:#969696;stroke-width:53.19251633;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none;marker-end:url(#Arrow1Send)" />
+  <g
+     id="g3115"
+     transform="translate(1657.6576,12154.29)">
+    <rect
+       ry="0"
+       id="rect118-3"
+       style="fill:none;stroke:#000000;stroke-width:30.00057983;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:30.00057923, 60.00115859;stroke-dashoffset:0"
+       rx="0"
+       height="2349.7295"
+       width="3992.2642"
+       y="-8909.5498"
+       x="2379.3704" />
+    <g
+       transform="translate(582.16224,-9085.2783)"
+       id="g3107-7"
+       style="fill:none;stroke-width:0.025in">
+      <rect
+         x="2084.55"
+         y="949.37109"
+         width="2809.1992"
+         height="1370.8721"
+         rx="0"
+         style="stroke:#000000;stroke-width:30;stroke-linecap:butt;stroke-linejoin:miter"
+         id="rect112-5" />
+      <rect
+         x="2084.55"
+         y="1025.3964"
+         width="2809.1992"
+         height="1294.8468"
+         rx="0"
+         style="fill:none;stroke:#000000;stroke-width:30;stroke-linecap:butt;stroke-linejoin:miter"
+         id="rect112-3-3" />
+    </g>
+    <text
+       style="font-size:192px;font-style:normal;font-weight:bold;text-anchor:start;fill:#000000;stroke-width:0.025in;font-family:Courier"
+       id="text202-6-6-2"
+       font-size="192"
+       font-weight="bold"
+       font-style="normal"
+       y="-7356.375"
+       x="2774.7393"
+       xml:space="preserve">-&gt;qsmask &amp;= ~-&gt;grpmask</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="text202-7-2-7-7"
+       font-size="192"
+       font-weight="bold"
+       font-style="normal"
+       y="-8652.5312"
+       x="2466.7822"
+       xml:space="preserve">dyntick_save_progress_counter()</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"
+       font-size="192"
+       font-weight="bold"
+       font-style="normal"
+       y="-8368.1475"
+       x="2463.3262"
+       xml:space="preserve">rcu_implicit_dynticks_qs()</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"
+       id="text202-7-5-1-2-3"
+       font-size="192"
+       font-weight="bold"
+       font-style="normal"
+       y="-6817.3472"
+       x="5103.9922"
+       xml:space="preserve"><tspan
+         id="tspan3104-6"
+         style="font-size:159.57754517px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;text-align:start;line-height:125%;writing-mode:lr-tb;text-anchor:start;font-family:Liberation Sans;-inkscape-font-specification:Liberation Sans">Leaf</tspan></text>
+  </g>
+  <g
+     id="g4504"
+     transform="translate(-2953.0872,-15955.072)">
+    <path
+       transform="matrix(13.298129,0,0,13.298129,335.22989,12456.379)"
+       d="m 385.2961,345.54001 c 0,21.84301 -29.51209,39.55026 -65.9171,39.55026 -36.40501,0 -65.91711,-17.70725 -65.91711,-39.55026 0,-21.84301 29.5121,-39.55026 65.91711,-39.55026 36.40501,0 65.9171,17.70725 65.9171,39.55026 z"
+       sodipodi:ry="39.550262"
+       sodipodi:rx="65.917107"
+       sodipodi:cy="345.54001"
+       sodipodi:cx="319.379"
+       id="path3084"
+       style="fill:#ffffa1;fill-opacity:0;stroke:#000000;stroke-width:2.25600004;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:2.256, 4.512;stroke-dashoffset:0"
+       sodipodi:type="arc" />
+    <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"
+       id="text202-7-5-1-2"
+       font-size="192"
+       font-weight="bold"
+       font-style="normal"
+       y="16835.086"
+       x="4409.043"
+       xml:space="preserve"><tspan
+         id="tspan3104"
+         style="font-size:159.57754517px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;text-align:start;line-height:125%;writing-mode:lr-tb;text-anchor:start;font-family:Liberation Sans;-inkscape-font-specification:Liberation Sans">RCU</tspan></text>
+    <text
+       sodipodi:linespacing="125%"
+       id="text3110"
+       y="17055.541"
+       x="4579.373"
+       style="font-size:159.57754517px;font-style:normal;font-weight:normal;text-align:center;line-height:125%;letter-spacing:0px;word-spacing:0px;text-anchor:middle;fill:#000000;fill-opacity:1;stroke:none;font-family:Sans"
+       xml:space="preserve"><tspan
+         y="17055.541"
+         x="4579.373"
+         id="tspan3112"
+         sodipodi:role="line">read-side</tspan></text>
+    <text
+       sodipodi:linespacing="125%"
+       id="text3114"
+       y="17297.08"
+       x="4584.8276"
+       style="font-size:159.57754517px;font-style:normal;font-weight:normal;text-align:center;line-height:125%;letter-spacing:0px;word-spacing:0px;text-anchor:middle;fill:#000000;fill-opacity:1;stroke:none;font-family:Sans"
+       xml:space="preserve"><tspan
+         y="17297.08"
+         x="4584.8276"
+         id="tspan3116"
+         sodipodi:role="line">critical section</tspan></text>
+  </g>
+  <g
+     id="g3148-9-9"
+     transform="translate(-3554.8919,7020.44)">
+    <rect
+       x="3592.3828"
+       y="-4981.6865"
+       width="3728.9751"
+       height="2265.0989"
+       rx="0"
+       style="fill:none;stroke:#000000;stroke-width:30.00057983;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:30.00057963, 60.00115926;stroke-dashoffset:0"
+       id="rect118-3-5-1-3"
+       ry="0" />
+    <text
+       xml:space="preserve"
+       x="3745.7725"
+       y="-4684.6201"
+       font-style="normal"
+       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_report_dead()</text>
+    <text
+       xml:space="preserve"
+       x="3745.7725"
+       y="-4431.7573"
+       font-style="normal"
+       font-weight="bold"
+       font-size="192"
+       id="text202-7-5-3-27-0-0"
+       style="font-size:192px;font-style:normal;font-weight:bold;text-anchor:start;fill:#000000;stroke-width:0.025in;font-family:Courier">rcu_cleanup_dying_idle_cpu()</text>
+    <g
+       transform="translate(1783.3183,-5255.3491)"
+       id="g3107-7-5"
+       style="fill:none;stroke-width:0.025in">
+      <rect
+         x="2084.55"
+         y="949.37109"
+         width="2809.1992"
+         height="1370.8721"
+         rx="0"
+         style="stroke:#000000;stroke-width:30;stroke-linecap:butt;stroke-linejoin:miter"
+         id="rect112-5-3" />
+      <rect
+         x="2084.55"
+         y="1025.3964"
+         width="2809.1992"
+         height="1294.8468"
+         rx="0"
+         style="fill:none;stroke:#000000;stroke-width:30;stroke-linecap:butt;stroke-linejoin:miter"
+         id="rect112-3-3-5" />
+    </g>
+    <text
+       style="font-size:192px;font-style:normal;font-weight:bold;text-anchor:start;fill:#000000;stroke-width:0.025in;font-family:Courier"
+       id="text202-6-6-2-6"
+       font-size="192"
+       font-weight="bold"
+       font-style="normal"
+       y="-3526.4448"
+       x="4241.8574"
+       xml:space="preserve">-&gt;qsmaskinitnext</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"
+       id="text202-7-5-1-2-3-2"
+       font-size="192"
+       font-weight="bold"
+       font-style="normal"
+       y="-2987.4167"
+       x="6305.1484"
+       xml:space="preserve"><tspan
+         id="tspan3104-6-9"
+         style="font-size:159.57754517px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;text-align:start;line-height:125%;writing-mode:lr-tb;text-anchor:start;font-family:Liberation Sans;-inkscape-font-specification:Liberation Sans">Leaf</tspan></text>
+  </g>
+  <g
+     id="g4504-7"
+     transform="translate(-2934.2808,-8785.3871)">
+    <path
+       transform="matrix(13.298129,0,0,13.298129,335.22989,12456.379)"
+       d="m 385.2961,345.54001 c 0,21.84301 -29.51209,39.55026 -65.9171,39.55026 -36.40501,0 -65.91711,-17.70725 -65.91711,-39.55026 0,-21.84301 29.5121,-39.55026 65.91711,-39.55026 36.40501,0 65.9171,17.70725 65.9171,39.55026 z"
+       sodipodi:ry="39.550262"
+       sodipodi:rx="65.917107"
+       sodipodi:cy="345.54001"
+       sodipodi:cx="319.379"
+       id="path3084-9"
+       style="fill:#ffffa1;fill-opacity:0;stroke:#000000;stroke-width:2.25600004;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:2.256, 4.512;stroke-dashoffset:0"
+       sodipodi:type="arc" />
+    <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"
+       id="text202-7-5-1-2-2"
+       font-size="192"
+       font-weight="bold"
+       font-style="normal"
+       y="16835.086"
+       x="4409.043"
+       xml:space="preserve"><tspan
+         id="tspan3104-0"
+         style="font-size:159.57754517px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;text-align:start;line-height:125%;writing-mode:lr-tb;text-anchor:start;font-family:Liberation Sans;-inkscape-font-specification:Liberation Sans">RCU</tspan></text>
+    <text
+       sodipodi:linespacing="125%"
+       id="text3110-2"
+       y="17055.541"
+       x="4579.373"
+       style="font-size:159.57754517px;font-style:normal;font-weight:normal;text-align:center;line-height:125%;letter-spacing:0px;word-spacing:0px;text-anchor:middle;fill:#000000;fill-opacity:1;stroke:none;font-family:Sans"
+       xml:space="preserve"><tspan
+         y="17055.541"
+         x="4579.373"
+         id="tspan3112-3"
+         sodipodi:role="line">read-side</tspan></text>
+    <text
+       sodipodi:linespacing="125%"
+       id="text3114-7"
+       y="17297.08"
+       x="4584.8276"
+       style="font-size:159.57754517px;font-style:normal;font-weight:normal;text-align:center;line-height:125%;letter-spacing:0px;word-spacing:0px;text-anchor:middle;fill:#000000;fill-opacity:1;stroke:none;font-family:Sans"
+       xml:space="preserve"><tspan
+         y="17297.08"
+         x="4584.8276"
+         id="tspan3116-5"
+         sodipodi:role="line">critical section</tspan></text>
+  </g>
+  <g
+     id="g3206"
+     transform="translate(3999.537,1706.6099)">
+    <rect
+       ry="0"
+       id="rect118-3-5-1-3-1"
+       style="fill:none;stroke:#000000;stroke-width:30.00057983;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:30.00058007, 60.00116001;stroke-dashoffset:0"
+       rx="0"
+       height="2265.0989"
+       width="3728.9751"
+       y="3382.2036"
+       x="-3958.3845" />
+    <text
+       style="font-size:192px;font-style:normal;font-weight:bold;text-anchor:start;fill:#000000;stroke-width:0.025in;font-family:Courier"
+       id="text202-7-5-3-27-6-2"
+       font-size="192"
+       font-weight="bold"
+       font-style="normal"
+       y="3679.27"
+       x="-3804.9949"
+       xml:space="preserve">rcu_cpu_starting()</text>
+    <g
+       style="fill:none;stroke-width:0.025in"
+       id="g3107-7-5-0"
+       transform="translate(-5767.4491,3108.5424)">
+      <rect
+         id="rect112-5-3-9"
+         style="stroke:#000000;stroke-width:30;stroke-linecap:butt;stroke-linejoin:miter"
+         rx="0"
+         height="1370.8721"
+         width="2809.1992"
+         y="949.37109"
+         x="2084.55" />
+      <rect
+         id="rect112-3-3-5-3"
+         style="fill:none;stroke:#000000;stroke-width:30;stroke-linecap:butt;stroke-linejoin:miter"
+         rx="0"
+         height="1294.8468"
+         width="2809.1992"
+         y="1025.3964"
+         x="2084.55" />
+    </g>
+    <text
+       xml:space="preserve"
+       x="-3308.9099"
+       y="4837.4453"
+       font-style="normal"
+       font-weight="bold"
+       font-size="192"
+       id="text202-6-6-2-6-6"
+       style="font-size:192px;font-style:normal;font-weight:bold;text-anchor:start;fill:#000000;stroke-width:0.025in;font-family:Courier">-&gt;qsmaskinitnext</text>
+    <text
+       xml:space="preserve"
+       x="-1245.6189"
+       y="5376.4731"
+       font-style="normal"
+       font-weight="bold"
+       font-size="192"
+       id="text202-7-5-1-2-3-2-0"
+       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"
+       sodipodi:linespacing="125%"><tspan
+         style="font-size:159.57754517px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;text-align:start;line-height:125%;writing-mode:lr-tb;text-anchor:start;font-family:Liberation Sans;-inkscape-font-specification:Liberation Sans"
+         id="tspan3104-6-9-6">Leaf</tspan></text>
+  </g>
+</svg>
-- 
cgit v1.2.3