On 17/05/2021 20:03, Simon Ser wrote:
On Monday, May 17th, 2021 at 8:16 PM, Nieto, David M <David.Nieto@xxxxxxx> wrote:
Btw is DRM_MAJOR 226 consider uapi? I don't see it in uapi headers.
It's not in the headers, but it's de facto uAPI, as seen in libdrm:
> git grep 226
xf86drm.c
99:#define DRM_MAJOR 226 /* Linux */
I suspected it would be yes, thanks.
I was just wondering if stat(2) and a chrdev major check would be a
solid criteria to more efficiently (compared to parsing the text
content) detect drm files while walking procfs.
Regards,
Tvrtko
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