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 for <linux-nvdimm@lists.01.org>; Wed, 29 May 2019 11:04:11 -0700 (PDT)
From: "Verma, Vishal L" <vishal.l.verma@intel.com>
Subject: Re: [ndctl PATCH v4 08/10] Documentation/daxctl: add a man page for
 daxctl-reconfigure-device
Date: Wed, 29 May 2019 18:04:08 +0000
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To: "Williams, Dan J" <dan.j.williams@intel.com>
Cc: "dave.hansen@linux.intel.com" <dave.hansen@linux.intel.com>, "pasha.tatashin@soleen.com" <pasha.tatashin@soleen.com>, "linux-nvdimm@lists.01.org" <linux-nvdimm@lists.01.org>
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On Wed, 2019-05-29 at 10:49 -0700, Dan Williams wrote:
> On Tue, May 28, 2019 at 3:24 PM Vishal Verma <vishal.l.verma@intel.com
> > wrote:
> > Add a man page describing the new daxctl-reconfigure-device command.
> > 
> > Cc: Pavel Tatashin <pasha.tatashin@soleen.com>
> > Cc: Dave Hansen <dave.hansen@linux.intel.com>
> > Cc: Dan Williams <dan.j.williams@intel.com>
> > Signed-off-by: Vishal Verma <vishal.l.verma@intel.com>
> > ---
> >  Documentation/daxctl/Makefile.am              |   3 +-
> >  .../daxctl/daxctl-reconfigure-device.txt      | 118
> > ++++++++++++++++++
> >  2 files changed, 120 insertions(+), 1 deletion(-)
> >  create mode 100644 Documentation/daxctl/daxctl-reconfigure-
> > device.txt
> [..]
> > +-N::
> > +--no-online::
> > +       By default, memory sections provided by system-ram devices
> > will be
> > +       brought online automatically and immediately. Use this
> > option to
> > +       disable the automatic onlining behavior.
> 
> With a --no-online option it feels like we also need a "daxctl
> online-memory" command to hot-add the memory range associated with the
> given dax device. Otherwise, this looks good to me.

Yes good idea, I'll add a command for that. Would we also then need a
complementary offline-memory command? For someone that might want to
split the offlining step from the mode change? I can't imagine a use
case for it..
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