Author: Matti Picus <matti.pi...@gmail.com>
Branch:
Changeset: r91572:325ce0ce6e7d
Date: 2017-06-07 20:30 +0300
http://bitbucket.org/pypy/pypy/changeset/325ce0ce6e7d/
Log: mention the shadowstack issue that motivated the early release,
other tweaks
diff --git a/pypy/doc/release-v5.8.0.rst b/pypy/doc/release-v5.8.0.rst
--- a/pypy/doc/release-v5.8.0.rst
+++ b/pypy/doc/release-v5.8.0.rst
@@ -10,6 +10,10 @@
This new PyPy2.7 release includes the upstream stdlib version 2.7.13, and
PyPy3.5 includes the upstream stdlib version 3.5.3.
+We fixed critical bugs in the shadowstack_ rootfinder garbage collector
+strategy that crashed multithreaded programs and very rarely showed up
+even in single threaded programs.
+
We added native PyPy support to profile frames in the vmprof_ statistical
profiler.
@@ -20,7 +24,7 @@
This release adds (but disables by default) link-time optimization and
`profile guided optimization`_ of the base interpreter, which may make
unjitted code run faster. To use these, translate with appropriate
-`options`_. Be aware of `[1]`_, though.
+`options`_. Be aware of `issues with gcc toolchains`_, though.
Please let us know if your use case is slow, we have ideas how to make things
faster but need real-world examples (not micro-benchmarks) of problematic code.
@@ -52,7 +56,8 @@
with making RPython's JIT even better.
.. _`profile guided optimization`:
https://pythonfiles.wordpress.com/2017/05/12/enabling-profile-guided-optimizations-for-pypy
-.. _`[1]`:
https://bitbucket.org/pypy/pypy/issues/2572/link-time-optimization-lto-disabled
+.. _shadowstack: config/translation.gcrootfinder.html
+.. _`issues with gcc toolchains`:
https://bitbucket.org/pypy/pypy/issues/2572/link-time-optimization-lto-disabled
.. _CFFI: https://cffi.readthedocs.io/en/latest/whatsnew.html
.. _grant:
https://morepypy.blogspot.com/2016/08/pypy-gets-funding-from-mozilla-for.html
.. _`PyPy`: index.html
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