linux-kernel - Re: [PATCH] nfit: Collect shutdown status for NVDIMM_FAMILY

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Message-ID: <20190130193752.GA21181@kroah.com>
Date:   Wed, 30 Jan 2019 20:37:52 +0100
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Dexuan Cui <decui@...rosoft.com>
Cc:     Dan Williams <dan.j.williams@...el.com>,
        Ross Zwisler <zwisler@...nel.org>,
        Vishal Verma <vishal.l.verma@...el.com>,
        Dave Jiang <dave.jiang@...el.com>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Len Brown <lenb@...nel.org>,
        "linux-nvdimm@...ts.01.org" <linux-nvdimm@...ts.01.org>,
        "linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
        Josh Poulson <jopoulso@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        "driverdev-devel@...uxdriverproject.org" 
        <driverdev-devel@...uxdriverproject.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Michael Kelley <mikelley@...rosoft.com>,
        Sasha Levin <Alexander.Levin@...rosoft.com>
Subject: Re: [PATCH] nfit: Collect shutdown status for NVDIMM_FAMILY_HYPERV

On Wed, Jan 30, 2019 at 06:48:40PM +0000, Dexuan Cui wrote:
> 
> See http://www.uefi.org/RFIC_LIST ("Virtual NVDIMM 0x1901"):
> "Get Unsafe Shutdown Count (Function Index 2)".
> 
> Let's expose the info to the userspace (e.g. ntctl) via sysfs.

If you add a new sysfs file, you need to add a new Documentation/ABI/
update as well :(