linux-kernel - Re: [PATCH 07/11] cxl/mem: Trace Memory Module Event Record

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Message-ID: <20221116153528.00005af7@Huawei.com>
Date:   Wed, 16 Nov 2022 15:35:28 +0000
From:   Jonathan Cameron <Jonathan.Cameron@...wei.com>
To:     <ira.weiny@...el.com>
CC:     Dan Williams <dan.j.williams@...el.com>,
        Alison Schofield <alison.schofield@...el.com>,
        Vishal Verma <vishal.l.verma@...el.com>,
        "Ben Widawsky" <bwidawsk@...nel.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Davidlohr Bueso <dave@...olabs.net>,
        <linux-kernel@...r.kernel.org>, <linux-cxl@...r.kernel.org>
Subject: Re: [PATCH 07/11] cxl/mem: Trace Memory Module Event Record

On Thu, 10 Nov 2022 10:57:54 -0800
ira.weiny@...el.com wrote:

> From: Ira Weiny <ira.weiny@...el.com>
> 
> CXL rev 3.0 section 8.2.9.2.1.3 defines the Memory Module Event Record.
> 
> Determine if the event read is memory module record and if so trace the
> record.
> 
> Signed-off-by: Ira Weiny <ira.weiny@...el.com>
> 
Noticed that we have a mixture of fully capitalized and not for flags.
With that either explained or tidied up:

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

> +/*
> + * Device Health Information - DHI
> + *
> + * CXL res 3.0 section 8.2.9.8.3.1; Table 8-100
> + */
> +#define CXL_DHI_HS_MAINTENANCE_NEEDED				BIT(0)
> +#define CXL_DHI_HS_PERFORMANCE_DEGRADED				BIT(1)
> +#define CXL_DHI_HS_HW_REPLACEMENT_NEEDED			BIT(2)
> +#define show_health_status_flags(flags)	__print_flags(flags, "|",	   \
> +	{ CXL_DHI_HS_MAINTENANCE_NEEDED,	"Maintenance Needed"	}, \
> +	{ CXL_DHI_HS_PERFORMANCE_DEGRADED,	"Performance Degraded"	}, \
> +	{ CXL_DHI_HS_HW_REPLACEMENT_NEEDED,	"Replacement Needed"	}  \

Why are we sometime using capitals for flags (e.g patch 5) and not other times?

> +)