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| author | Kees Cook <keescook@chromium.org> | 2021-07-23 13:05:26 -0700 |
|---|---|---|
| committer | Jonathan Corbet <corbet@lwn.net> | 2021-07-25 14:30:55 -0600 |
| commit | 6ab0493dfc6255a99eb5f157e012eeafd75f5b56 (patch) | |
| tree | 588824c6c2bb6c6013f87b65e82f0c81b983e921 /Documentation/process | |
| parent | 0a03801ca8bddfbf634d3b42d57a0864d6b3c1ec (diff) | |
| download | linux-6ab0493dfc6255a99eb5f157e012eeafd75f5b56.tar.bz2 | |
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>
Diffstat (limited to 'Documentation/process')
| -rw-r--r-- | Documentation/process/deprecated.rst | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/Documentation/process/deprecated.rst b/Documentation/process/deprecated.rst index 9d83b8db8874..8ced754a5a0f 100644 --- a/Documentation/process/deprecated.rst +++ b/Documentation/process/deprecated.rst @@ -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) ----------------------------- |