RE: [RFC] vsprintf: compile error on %09pK

[Jaewon Kim]

>From: Jaewon Kim
>> Sent: 03 April 2023 15:40
>...
>> I wanted to print phys_addr_t  type value only when kptr_restrict sysctl is
>> allowed. So I thought I could use %pK for that purpose. And the physical
>> address is not that long. I wanted to make that length short like 9 hex.
>
>Isn't that is the wrong format for physical addresses anyway?
>They can be larger than virtual ones (eg x86 with PAE).

Yeah, correct. I just used %pK to hide physical address, I thought it could be
leak in security perspective. Could you give me advice how I can hide the
address by default and look the address if kptr_restrict allow it?

Jaewon Kim

>
>	David