On 05/14/2018 09:38 PM, Tobin C. Harding wrote:
> Documentation/admin-guide/kernel-parameters.txt | 8 ++++++++
> lib/vsprintf.c | 18 ++++++++++++++++++
> 2 files changed, 26 insertions(+)
>
> diff --git a/Documentation/admin-guide/kernel-parameters.txt
> b/Documentation/admin-guide/kernel-parameters.txt
> index 3b8032431585..c95dd6704592 100644
> --- a/Documentation/admin-guide/kernel-parameters.txt
> +++ b/Documentation/admin-guide/kernel-parameters.txt
> @@ -748,6 +748,14 @@
>
> debug [KNL] Enable kernel debugging (events log level).
>
> + debug_boot_weak_hash
> + [KNL] Enable debugging early in the boot sequence. If
That makes it sound like "debug_boot_weak_hash" turns on early debugging.
> + enabled, we use a weak hash instead of siphash to hash
> + pointers. Use this option if you need to see pointer
> + values during early boot (i.e you are seeing instances
i.e.
> + of '(___ptrval___)') - cryptographically insecure,
> + please do not use on production kernels.
> +
> debug_locks_verbose=
> [KNL] verbose self-tests
> Format=<0|1>
--
~Randy
