From: Shreyas B Prabhu <shreyas@linux.vnet.ibm.com>
To: Michael Ellerman <mpe@ellerman.id.au>
Cc: ego@linux.vnet.ibm.com, mikey@neuling.org, benh@au1.ibm.com,
linux-kernel@vger.kernel.org, maddy@linux.vnet.ibm.com,
linuxppc-dev@lists.ozlabs.org
Subject: Re: [v6, 07/11] powerpc/powernv: set power_save func after the idle states are initialized
Date: Wed, 15 Jun 2016 11:41:12 +0530 [thread overview]
Message-ID: <5760F180.90107@linux.vnet.ibm.com> (raw)
In-Reply-To: <3rTwNj07nPz9t1J@ozlabs.org>
On 06/15/2016 11:11 AM, Michael Ellerman wrote:
> On Wed, 2016-08-06 at 16:54:27 UTC, "Shreyas B. Prabhu" wrote:
>> pnv_init_idle_states discovers supported idle states from the
>> device tree and does the required initialization. Set power_save
>> function pointer only after this initialization is done
>
> This looks like a bug fix? Or is this not a concern in practice for some reason
> (and if so what is that reason)?
>
This isn't a concern currently because, all powernv machines so far
supported nap and nap does not need any initialization from kernel side.
Thanks,
Shreyas
next prev parent reply other threads:[~2016-06-15 6:11 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-08 16:54 [PATCH v6 00/11] powerpc/powernv/cpuidle: Add support for POWER ISA v3 idle states Shreyas B. Prabhu
2016-06-08 16:54 ` [PATCH v6 01/11] powerpc/powernv: Use PNV_THREAD_WINKLE macro while requesting for winkle Shreyas B. Prabhu
2016-06-08 16:54 ` [PATCH v6 02/11] powerpc/kvm: make hypervisor state restore a function Shreyas B. Prabhu
2016-06-08 16:54 ` [PATCH v6 03/11] powerpc/powernv: Rename idle_power7.S to idle_power_common.S Shreyas B. Prabhu
2016-06-15 5:31 ` [v6, " Michael Ellerman
2016-06-08 16:54 ` [PATCH v6 04/11] powerpc/powernv: Rename reusable idle functions to hardware agnostic names Shreyas B. Prabhu
2016-06-08 16:54 ` [PATCH v6 05/11] powerpc/powernv: Make pnv_powersave_common more generic Shreyas B. Prabhu
2016-06-08 16:54 ` [PATCH v6 06/11] powerpc/powernv: abstraction for saving SPRs before entering deep idle states Shreyas B. Prabhu
2016-06-08 16:54 ` [PATCH v6 07/11] powerpc/powernv: set power_save func after the idle states are initialized Shreyas B. Prabhu
2016-06-15 5:41 ` [v6, " Michael Ellerman
2016-06-15 6:11 ` Shreyas B Prabhu [this message]
2016-06-22 1:54 ` [PATCH v6 " Benjamin Herrenschmidt
2016-06-22 5:11 ` Michael Neuling
2016-06-28 12:10 ` [v6, " Michael Ellerman
2016-06-08 16:54 ` [PATCH v6 08/11] powerpc/powernv: Add platform support for stop instruction Shreyas B. Prabhu
2016-06-15 11:14 ` [v6, " Michael Ellerman
2016-06-15 13:00 ` Shreyas B Prabhu
2016-06-21 6:14 ` Michael Neuling
2016-06-08 16:54 ` [PATCH v6 09/11] cpuidle/powernv: Use CPUIDLE_STATE_MAX instead of MAX_POWERNV_IDLE_STATES Shreyas B. Prabhu
2016-06-13 15:01 ` Daniel Lezcano
2016-06-13 20:58 ` Rafael J. Wysocki
2016-06-08 16:54 ` [PATCH v6 10/11] cpuidle/powernv: Add support for POWER ISA v3 idle states Shreyas B. Prabhu
2016-06-13 15:34 ` Daniel Lezcano
2016-06-14 10:47 ` Shreyas B Prabhu
2016-06-14 11:29 ` Benjamin Herrenschmidt
2016-06-15 4:57 ` Shreyas B Prabhu
2016-06-13 21:48 ` Benjamin Herrenschmidt
2016-06-14 11:11 ` Shreyas B Prabhu
2016-06-14 11:31 ` Benjamin Herrenschmidt
2016-06-08 16:54 ` [PATCH v6 11/11] powerpc/powernv: Use deepest stop state when cpu is offlined Shreyas B. Prabhu
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