Re: [PATCH] fix __percpu annotation in asm-generic

Christopher Lameter
2019-11-29T18:12:02Z

On Wed, 27 Nov 2019, Luc Van Oostenryck wrote:

> 1) it would strip any address space, not just __percpu, so:
> it would need to be combined with __verify_pcpu_ptr() or,
> * a better name should be used,

typeof_cast_kernel() to express the fact that it creates a kernel pointer
and ignored the attributes??

> * it should be defined in a generic header, any idea where?

include/linux/compiler-types.h

> 2) while I find the current solution:
> typeof(T) __kernel __force *ptr = ...;

It would be

typeof_cast_kernel(&T) *xx = xxx

or so?