Re: [Linaro-mm-sig] [PATCH resend] drivers: dma-buf: Change %p to %pK in debug messages

[Chris Wilson]

Quoting Daniel Rosenberg (2018-06-06 00:40:41)
> The format specifier %p can leak kernel addresses
> while not valuing the kptr_restrict system settings.
> Use %pK instead of %p, which also evaluates whether
> kptr_restrict is set.

This is backwards though. You never care about the actual value here and
the hashed pointer (%p) is always enough to provide an identifying token.
-Chris