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From: Keith Busch <keith.busch@linux.intel.com>
To: Johannes Thumshirn <jthumshirn@suse.de>
Cc: linux-acpi@vger.kernel.org, linux-nvdimm@lists.01.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@linux-x5ow.site>

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
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  reply	other threads:[~2018-09-27 15:19 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-27  4:24 Dan Williams
2018-09-27  4:24 ` [PATCH 1/3] acpi, nfit: Introduce nfit_mem flags Dan Williams
2018-09-27 19:37   ` Keith Busch
2018-09-27  4:24 ` [PATCH 2/3] acpi, nfit: Collect shutdown status Dan Williams
2018-09-27 19:37   ` Keith Busch
2018-09-27  4:24 ` [PATCH 3/3] tools/testing/nvdimm: Populate dirty shutdown data Dan Williams
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
2018-09-27 15:21   ` Keith Busch [this message]
2018-09-27 15:33   ` Dan Williams

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