Re: [PATCH] lib/vsprintf: Make no_hash_pointers take effect early

[Andy Shevchenko]

On Wed, Jun 10, 2026 at 08:45:25PM +0800, Kaitao Cheng wrote:

> The no_hash_pointers boot parameter is now handled as an alias for
> hash_pointers=never. However, hash_pointers=never only records the
> selected mode during early parameter parsing, and no_hash_pointers is
> not updated until hash_pointers_finalize() runs later from SLUB init.
> 
> This leaves a window during very early boot where %p output is still
> hashed even though the user explicitly requested unhashed pointers with
> no_hash_pointers or hash_pointers=never.
> 
> Set no_hash_pointers as soon as the "never" mode is parsed. The later
> hash_pointers_finalize() call still keeps the final policy decision in
> one place, but explicit requests to disable pointer hashing now take
> effect for early boot users too.

How is it documented now? And if not documented at all, needs to be.

-- 
With Best Regards,
Andy Shevchenko