linux-kernel - Re: [PATCH v2 1/2] acpi/nfit: Add support of NVDIMM memory error notification in ACPI 6.2

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Message-ID: <CAPcyv4guO6dJO5xsQ=OMOY-s2j0X+xuN+zDwexsfc2wT7okniw@mail.gmail.com>
Date:   Thu, 15 Jun 2017 14:44:42 -0700
From:   Dan Williams <dan.j.williams@...el.com>
To:     Toshi Kani <toshi.kani@....com>
Cc:     "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Vishal L Verma <vishal.l.verma@...el.com>,
        Linda Knippers <linda.knippers@....com>,
        "linux-nvdimm@...ts.01.org" <linux-nvdimm@...ts.01.org>,
        Linux ACPI <linux-acpi@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 1/2] acpi/nfit: Add support of NVDIMM memory error
 notification in ACPI 6.2

On Thu, Jun 8, 2017 at 11:36 AM, Toshi Kani <toshi.kani@....com> wrote:
> ACPI 6.2 defines a new ACPI notification value to NVDIMM Root Device
> in Table 5-169.
>
>  0x81 Unconsumed Uncorrectable Memory Error Detected
>       Used to pro-actively notify OSPM of uncorrectable memory errors
>       detected (for example a memory scrubbing engine that continuously
>       scans the NVDIMMs memory). This is an optional notification. Only
>       locations that were mapped in to SPA by the platform will generate
>       a notification.
>
> Add support of this notification value by initiating an ARS scan. This
> will find new error locations and add their badblocks information.
>

Looks good to me, applied.