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-rw-r--r--erts/doc/src/notes.xml20
-rw-r--r--erts/doc/src/persistent_term.xml16
2 files changed, 36 insertions, 0 deletions
diff --git a/erts/doc/src/notes.xml b/erts/doc/src/notes.xml
index 2c23456ff1..44d072df23 100644
--- a/erts/doc/src/notes.xml
+++ b/erts/doc/src/notes.xml
@@ -1694,6 +1694,26 @@
</section>
+<section><title>Erts 9.3.3.9</title>
+
+ <section><title>Improvements and New Features</title>
+ <list>
+ <item>
+ <p>Added an optional <c>./configure</c> flag to compile
+ the emulator with spectre mitigation:
+ <c>--with-spectre-mitigation</c></p>
+ <p>Note that this requires a recent version of GCC with
+ support for spectre mitigation and the
+ <c>--mindirect-branch=thunk</c> flag, such as
+ <c>8.1</c>.</p>
+ <p>
+ Own Id: OTP-15430 Aux Id: ERIERL-237 </p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
<section><title>Erts 9.3.3.8</title>
<section><title>Fixed Bugs and Malfunctions</title>
diff --git a/erts/doc/src/persistent_term.xml b/erts/doc/src/persistent_term.xml
index 1eda7f8d76..9d3c9afd80 100644
--- a/erts/doc/src/persistent_term.xml
+++ b/erts/doc/src/persistent_term.xml
@@ -256,6 +256,22 @@ will be slower as the number of persistent terms increases.</pre>
</func>
<func>
+ <name name="get" arity="2" since="OTP 21.3"/>
+ <fsummary>Get the value for a persistent term.</fsummary>
+ <desc>
+ <p>Retrieve the value for the persistent term associated with
+ the key <c><anno>Key</anno></c>. The lookup will be made in
+ constant time and the value will not be copied to the heap
+ of the calling process.</p>
+ <p>This function returns <c><anno>Default</anno></c> if no
+ term has been stored with the key <c><anno>Key</anno></c>.</p>
+ <p>If the calling process holds on to the value of the
+ persistent term and the persistent term is deleted in the future,
+ the term will be copied to the process.</p>
+ </desc>
+ </func>
+
+ <func>
<name name="info" arity="0" since="OTP 21.2"/>
<fsummary>Get information about persistent terms.</fsummary>
<desc>