no bug - doc: add more references to the tsan doc r=decoder DONTBUILD

Differential Revision: https://phabricator.services.mozilla.com/D127638

taskcluster/docs/platforms.rst

@@ -126,7 +126,7 @@ or prevening some classes of errors (memory, threading, etc).
    :header: "Platform", "Owner", "Why?"
    :widths: 40, 20, 40
 
-   Linux 18.04 x64 tsan, Christian Holler, Identify threading issues with ThreadSanitizer
+   Linux 18.04 x64 tsan, Christian Holler, Identify threading issues with :ref:`ThreadSanitizer <Thread Sanitizer>`
    Linux x64 asan, "| Christian Holler
    | Tyson Smith (ubsan)", "| Identify memory issues with :ref:`Address Sanitizer`.
    | Also includes the UndefinedBehaviorSanitizer"

tools/sanitizer/docs/tsan.rst

@@ -1,5 +1,5 @@
 Thread Sanitizer
-=================
+================
 
 What is Thread Sanitizer?
 --------------------------
@@ -15,6 +15,8 @@ TSan works can be found on `the Thread Sanitizer wiki <https://github.com/google
 A `meta bug called tsan <https://bugzilla.mozilla.org/show_bug.cgi?id=tsan>`__
 is maintained to keep track of all the bugs found with TSan.
 
+A `blog post on hacks.mozilla.org <https://hacks.mozilla.org/2021/04/eliminating-data-races-in-firefox-a-technical-report/>`__ describes this project.
+
 Note that unlike other sanitizers, TSan is currently **only supported on Linux**.
 
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