linux-kernel - Re: [PATCH 08/26] cxl/mem: Expose device dynamic capacity capabilities

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Message-ID: <w4jkueqpvh7hzbywk42m7gxclg56nbgzhaqcgeb3q2b6dt3w6n@5vwicganqpsu>
Date: Mon, 25 Mar 2024 16:40:16 -0700
From: Davidlohr Bueso <dave@...olabs.net>
To: ira.weiny@...el.com
Cc: Dave Jiang <dave.jiang@...el.com>, Fan Ni <fan.ni@...sung.com>, 
	Jonathan Cameron <Jonathan.Cameron@...wei.com>, Navneet Singh <navneet.singh@...el.com>, 
	Dan Williams <dan.j.williams@...el.com>, Alison Schofield <alison.schofield@...el.com>, 
	Vishal Verma <vishal.l.verma@...el.com>, linux-btrfs@...r.kernel.org, linux-cxl@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 08/26] cxl/mem: Expose device dynamic capacity
 capabilities

On Sun, 24 Mar 2024, ira.weiny@...el.com wrote:

>+What:		/sys/bus/cxl/devices/memX/dc/region_count
>+Date:		June, 2024
>+KernelVersion:	v6.10
>+Contact:	linux-cxl@...r.kernel.org
>+Description:
>+		(RO) Number of Dynamic Capacity (DC) regions supported on the
>+		device.  May be 0 if the device does not support Dynamic
>+		Capacity.

If dcd is not supported then we should not have the dc/ directory
altogether.

Thanks,
Davidlohr