linux-kernel - Re: [PATCH 23/26] cxl/mem: Trace Dynamic capacity Event Record

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Date: Thu, 4 Apr 2024 18:38:57 +0100
From: Jonathan Cameron <Jonathan.Cameron@...wei.com>
To: <ira.weiny@...el.com>
CC: Dave Jiang <dave.jiang@...el.com>, Fan Ni <fan.ni@...sung.com>, "Navneet
 Singh" <navneet.singh@...el.com>, Dan Williams <dan.j.williams@...el.com>,
	Davidlohr Bueso <dave@...olabs.net>, 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 23/26] cxl/mem: Trace Dynamic capacity Event Record

On Sun, 24 Mar 2024 16:18:26 -0700
ira.weiny@...el.com wrote:

> From: Navneet Singh <navneet.singh@...el.com>
> 
> CXL rev 3.1 section 8.2.9.2.1 adds the Dynamic Capacity Event Records.
> Notify the host of extents being added or removed.  User space has
> little use for these events other than for debugging.
> 
> Add DC trace points to the trace log for debugging purposes.
> 
> Signed-off-by: Navneet Singh <navneet.singh@...el.com>
> Signed-off-by: Ira Weiny <ira.weiny@...el.com>
> 

One trivial thing

Reviewed-by: Jonathan Cameron <Jonathan.Cameron@...wei.com>

> +/*
> + * DYNAMIC CAPACITY Event Record - DER
> + *
> + * CXL rev 3.0 section 8.2.9.2.1.5 Table 8-47
> + */
> +
> +#define CXL_DC_ADD_CAPACITY			0x00
> +#define CXL_DC_REL_CAPACITY			0x01
> +#define CXL_DC_FORCED_REL_CAPACITY		0x02
> +#define CXL_DC_REG_CONF_UPDATED			0x03
> +#define show_dc_evt_type(type)	__print_symbolic(type,		\
> +	{ CXL_DC_ADD_CAPACITY,	"Add capacity"},		\
> +	{ CXL_DC_REL_CAPACITY,	"Release capacity"},		\
> +	{ CXL_DC_FORCED_REL_CAPACITY,	"Forced capacity release"},	\
> +	{ CXL_DC_REG_CONF_UPDATED,	"Region Configuration Updated"	} \
Tidy up indents and alignment etc. Doesn't look consistent.