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authorKees Cook <keescook@chromium.org>2021-07-23 23:05:26 +0300
committerJonathan Corbet <corbet@lwn.net>2021-07-25 23:30:55 +0300
commit6ab0493dfc6255a99eb5f157e012eeafd75f5b56 (patch)
tree588824c6c2bb6c6013f87b65e82f0c81b983e921 /Documentation/process/deprecated.rst
parent0a03801ca8bddfbf634d3b42d57a0864d6b3c1ec (diff)
downloadlinux-6ab0493dfc6255a99eb5f157e012eeafd75f5b56.tar.xz
deprecated.rst: Include details on "no_hash_pointers"
Linus decided a debug toggle for %p was tolerable, so update the %p deprecation documentation. Signed-off-by: Kees Cook <keescook@chromium.org> Link: https://lore.kernel.org/r/20210723200526.3424128-1-keescook@chromium.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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diff --git a/Documentation/process/deprecated.rst b/Documentation/process/deprecated.rst
index 9d83b8db8874..8ced754a5a0f 100644
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@@ -164,7 +164,9 @@ Paraphrasing Linus's current `guidance <https://lore.kernel.org/lkml/CA+55aFwQEd
up to Linus's scrutiny, maybe you can use "%px", along with making sure
you have sensible permissions.
-And finally, know that a toggle for "%p" hashing will `not be accepted <https://lore.kernel.org/lkml/CA+55aFwieC1-nAs+NFq9RTwaR8ef9hWa4MjNBWL41F-8wM49eA@mail.gmail.com/>`_.
+If you are debugging something where "%p" hashing is causing problems,
+you can temporarily boot with the debug flag "`no_hash_pointers
+<https://git.kernel.org/linus/5ead723a20e0447bc7db33dc3070b420e5f80aa6>`_".
Variable Length Arrays (VLAs)
-----------------------------