linux-kernel - Re: [PATCH 2/5] acpi, nfit: add support for acpi 6.1 dimm state flags

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Date:   Mon, 17 Apr 2017 17:28:56 +0000
From:   "Kani, Toshimitsu" <toshi.kani@....com>
To:     "dan.j.williams@...el.com" <dan.j.williams@...el.com>,
        "linux-nvdimm@...ts.01.org" <linux-nvdimm@...ts.01.org>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
        "vishal.l.verma@...el.com" <vishal.l.verma@...el.com>
Subject: Re: [PATCH 2/5] acpi, nfit: add support for acpi 6.1 dimm state flags

On Fri, 2017-04-14 at 09:58 -0700, Dan Williams wrote:
> Add support for the ACPI_NFIT_MEM_MAP_FAILED ("map_fail") and
> ACPI_NFIT_MEM_HEALTH_ENABLED ("smart_notify") health state flags. The
> "map_fail" flag identifies DIMMs that were not mapped into one or
> more physical address ranges. The "health_notify" flag indicates
> whether platform firmware will send notifications when there is new
> SMART health data to consume.
> 
> Signed-off-by: Dan Williams <dan.j.williams@...el.com>
> ---
>  drivers/acpi/nfit/core.c |    6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c
> index 53943d6f4214..05829de43b1d 100644
> --- a/drivers/acpi/nfit/core.c
> +++ b/drivers/acpi/nfit/core.c
> @@ -1246,12 +1246,14 @@ static ssize_t flags_show(struct device *dev,
>  {
>  	u16 flags = to_nfit_memdev(dev)->flags;
>  
> -	return sprintf(buf, "%s%s%s%s%s\n",
> +	return sprintf(buf, "%s%s%s%s%s%s%s\n",
>  		flags & ACPI_NFIT_MEM_SAVE_FAILED ? "save_fail " :
> "",
>  		flags & ACPI_NFIT_MEM_RESTORE_FAILED ? "restore_fail
> " : "",
>  		flags & ACPI_NFIT_MEM_FLUSH_FAILED ? "flush_fail " :
> "",
>  		flags & ACPI_NFIT_MEM_NOT_ARMED ? "not_armed " : "",
> -		flags & ACPI_NFIT_MEM_HEALTH_OBSERVED ? "smart_event
> " : "");
> +		flags & ACPI_NFIT_MEM_HEALTH_OBSERVED ? "smart_event
> " : "",
> +		flags & ACPI_NFIT_MEM_MAP_FAILED ? "map_fail " : "",
> +		flags & ACPI_NFIT_MEM_HEALTH_ENABLED ? "smart_notify
> " : "");

Thanks for the update!  The above change looks good, but we will also
need to make the same changes to the dev_info() in
acpi_nfit_register_dimms().

-Toshi