From: Keith Busch <keith.busch-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
To: Johannes Thumshirn <jthumshirn-l3A5Bk7waGM@public.gmane.org>
Cc: linux-acpi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-nvdimm-hn68Rpc1hR1g9hUCZPvPmw@public.gmane.org
Subject: Re: [PATCH 0/3] acpi, nfit: Add dirty shutdown count to sysfs
Date: Thu, 27 Sep 2018 09:21:40 -0600 [thread overview]
Message-ID: <20180927152140.GA19589@localhost.localdomain> (raw)
In-Reply-To: <20180927071135.GB6959-qw2SdCWA0PpjqqEj2zc+bA@public.gmane.org>
On Thu, Sep 27, 2018 at 09:11:35AM +0200, Johannes Thumshirn wrote:
> On Wed, Sep 26, 2018 at 09:24:20PM -0700, Dan Williams wrote:
> > The Intel NVDIMM command specification publishes a dirty-shutdown-count
> > in addition to the dirty-shutdown / flush-failed indication that comes
> > from the ACPI NFIT. This is expected to be a common property of NVDIMMs
> > and is a static hardware health detail to be cached / exported via
> > sysfs.
> >
> > Add plumbing for retrieving this data at driver load time, publish the
> > count, and use the dynamically retrieved dirty-shutdown indicator to
> > augment the existing 'flush_failed' flag.
>
> Is this the same thing as the LSS Latch stuff that went into ndctl?
On a related note, the ndctl latch implementation doesn't satisfy all
the needs, so I expect it'll be reverted
https://lists.01.org/pipermail/linux-nvdimm/2018-September/017892.html
next prev parent reply other threads:[~2018-09-27 15:21 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-27 4:24 [PATCH 0/3] acpi, nfit: Add dirty shutdown count to sysfs Dan Williams
[not found] ` <153802226065.833068.11943510429252969385.stgit-p8uTFz9XbKj2zm6wflaqv1nYeNYlB/vhral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2018-09-27 4:24 ` [PATCH 1/3] acpi, nfit: Introduce nfit_mem flags Dan Williams
[not found] ` <153802226609.833068.13167424056547725578.stgit-p8uTFz9XbKj2zm6wflaqv1nYeNYlB/vhral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2018-09-27 19:37 ` Keith Busch
2018-09-27 4:24 ` [PATCH 2/3] acpi, nfit: Collect shutdown status Dan Williams
[not found] ` <153802227150.833068.16202031710309659911.stgit-p8uTFz9XbKj2zm6wflaqv1nYeNYlB/vhral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2018-09-27 19:37 ` Keith Busch
2018-09-27 4:24 ` [PATCH 3/3] tools/testing/nvdimm: Populate dirty shutdown data Dan Williams
[not found] ` <153802227683.833068.14067072355792705345.stgit-p8uTFz9XbKj2zm6wflaqv1nYeNYlB/vhral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2018-09-27 19:37 ` Keith Busch
2018-09-27 7:11 ` [PATCH 0/3] acpi, nfit: Add dirty shutdown count to sysfs Johannes Thumshirn
[not found] ` <20180927071135.GB6959-qw2SdCWA0PpjqqEj2zc+bA@public.gmane.org>
2018-09-27 15:21 ` Keith Busch [this message]
2018-09-27 15:33 ` Dan Williams
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