Re: [PATCH] checkpatch: Ignore attribute macros ending with nGnRnE or nGnRE

[Liu Dalin]

在 2026/3/9 10:47, Joe Perches 写道:
> On Mon, 2026-03-09 at 10:12 +0800, Liu Dalin wrote:
> > 在 2026/3/8 3:53, Joe Perches 写道:
> > > FYI: These appear unused to date:
> []
>
> I was referring to these #define FFA_DEV_<foo> below:
Yes.
It looks like the memory attribute macros starting with FFA_DEV_are 
intended for use in ARM Trusted Firmware​ and Hypervisors, and are 
rarely seen in the kernel​ itself.
Maybe some TEE drivers will use these attributes.
> > > $ git grep FFA_DEV
> > > include/linux/arm_ffa.h:#define FFA_DEV_nGnRnE          (0 << 2)
> > > include/linux/arm_ffa.h:#define FFA_DEV_nGnRE           (1 << 2)
> > > include/linux/arm_ffa.h:#define FFA_DEV_nGRE            (2 << 2)
> > > include/linux/arm_ffa.h:#define FFA_DEV_GRE             (3 << 2)