From: Michael Ellerman <mpe@ellerman•id.au>
To: trigg <mr.triggtrigg@gmail•com>
Cc: Vipin K Parashar <vipin@linux•vnet.ibm.com>,
"stewart@linux•vnet.ibm.com" <stewart@linux•vnet.ibm.com>,
"linuxppc-dev@lists•ozlabs.org" <linuxppc-dev@lists•ozlabs.org>,
"joel@jms•id.au" <joel@jms•id.au>
Subject: Re: [PATCH v5] powerpc/powernv: Add poweroff (EPOW, DPO) events support for PowerNV platform
Date: Tue, 02 Jun 2015 19:16:35 +1000 [thread overview]
Message-ID: <1433236595.17489.2.camel@ellerman.id.au> (raw)
In-Reply-To: <9489704C-D4EE-481D-A191-AEAEC10A1ED9@gmail.com>
On Tue, 2015-05-19 at 18:45 +0530, trigg wrote:
>
> > On 18-May-2015, at 20:48, Vipin K Parashar <vipin@linux•vnet.ibm.com> wrote:
> >
> > This patch adds support for FSP EPOW (Early Power Off Warning) and
> > DPO (Delayed Power Off) events for PowerNV platform. EPOW events are
> > generated by SPCN/FSP due to various critical system conditions that
> > need system shutdown. Few examples of these conditions are high
> > ambient temperature or system running on UPS power with low UPS battery.
> > DPO event is generated in response to admin initiated system request.
> > Upon receipt of EPOW and DPO events host kernel invokes
> > orderly_poweroff for performing graceful system shutdown. System admin
> > can also add systemd service shutdown scripts to perform any specific
> > actions like graceful guest shutdown upon system poweroff. libvirt-guests
> > is systemd service available on recent distros for management of guests
> > at system start/shutdown time.
> >
> > Signed-off-by: Vipin K Parashar <vipin@linux•vnet.ibm.com>
>
> Acked-by: trigg <mr.triggtrigg@gmail•com>
Please use your real name.
See: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/Documentation/SubmittingPatches#n446
cheers
next prev parent reply other threads:[~2015-06-02 9:16 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-18 15:18 [PATCH v5] powerpc/powernv: Poweroff (EPOW, DPO) events support for PowerNV platform Vipin K Parashar
2015-05-18 15:18 ` [PATCH v5] powerpc/powernv: Add poweroff " Vipin K Parashar
2015-05-19 13:15 ` trigg
2015-06-02 9:16 ` Michael Ellerman [this message]
2015-06-02 5:20 ` Vipin K Parashar
2015-06-03 3:41 ` Vaibhav Jain
2015-06-03 5:13 ` [v5] " Michael Ellerman
2015-06-03 19:12 ` Vipin K Parashar
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