Re: [PATCH 1/2] err.h: Add ERR_PTR_PCPU(), PTR_ERR_PCPU() and IS_ERR_PCPU() functions

[Catalin Marinas]

On Tue, Aug 13, 2024 at 07:25:10PM +0200, Uros Bizjak wrote:
> Add ERR_PTR_PCPU(), PTR_ERR_PCPU() and IS_ERR_PCPU() functions that
> operate on pointers in the percpu address space.
> 
> These functions remove the need for (__force void *) function
> argument casts (to avoid sparse -Wcast-from-as warnings).
> 
> The patch will also avoid future build errors due to pointer address
> space mismatch with enabled strict percpu address space checks.
> 
> Signed-off-by: Uros Bizjak <ubizjak@xxxxxxxxx>
> Cc: Catalin Marinas <catalin.marinas@xxxxxxx>
> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>

Acked-by: Catalin Marinas <catalin.marinas@xxxxxxx>