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* [PATCH] deprecated.rst: Include details on "no_hash_pointers"
@ 2021-07-23 20:05 Kees Cook
  2021-07-25 20:32 ` Jonathan Corbet
  0 siblings, 1 reply; 2+ messages in thread
From: Kees Cook @ 2021-07-23 20:05 UTC (permalink / raw)
  To: Jonathan Corbet; +Cc: Kees Cook, linux-kernel, linux-doc, linux-hardening

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>`_".
 
 Variable Length Arrays (VLAs)
 -----------------------------
-- 
2.30.2


^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: [PATCH] deprecated.rst: Include details on "no_hash_pointers"
  2021-07-23 20:05 [PATCH] deprecated.rst: Include details on "no_hash_pointers" Kees Cook
@ 2021-07-25 20:32 ` Jonathan Corbet
  0 siblings, 0 replies; 2+ messages in thread
From: Jonathan Corbet @ 2021-07-25 20:32 UTC (permalink / raw)
  To: Kees Cook; +Cc: Kees Cook, linux-kernel, linux-doc, linux-hardening

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

^ permalink raw reply	[flat|nested] 2+ messages in thread

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