Messages in this thread | | | From | Jonathan Corbet <> | Subject | Re: [PATCH] deprecated.rst: Include details on "no_hash_pointers" | Date | Sun, 25 Jul 2021 14:32:13 -0600 |
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Kees Cook <keescook@chromium.org> writes:
> Linus decided a debug toggle for %p was tolerable, so update the > %p deprecation documentation. > > Signed-off-by: Kees Cook <keescook@chromium.org> > --- > Documentation/process/deprecated.rst | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > 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>`_".
Applied, thanks.
jon
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