From: Nicholas Piggin <npiggin@gmail.com>
To: "Gautham R. Shenoy" <ego@linux.vnet.ibm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>,
Michael Neuling <mikey@neuling.org>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
"Shreyas B. Prabhu" <shreyasbp@gmail.com>,
Shilpasri G Bhat <shilpa.bhat@linux.vnet.ibm.com>,
Vaidyanathan Srinivasan <svaidy@linux.vnet.ibm.com>,
Anton Blanchard <anton@samba.org>,
Balbir Singh <bsingharora@gmail.com>,
Akshay Adiga <akshay.adiga@linux.vnet.ibm.com>,
linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org
Subject: Re: [v2 PATCH 1/4] powernv: Move CPU-Offline idle state invocation from smp.c to idle.c
Date: Tue, 21 Mar 2017 02:35:17 +1000 [thread overview]
Message-ID: <20170321023517.4cb27add@roar.ozlabs.ibm.com> (raw)
In-Reply-To: <358fc68275a4986d2e112418aea447f49f644f7e.1490024477.git.ego@linux.vnet.ibm.com>
On Mon, 20 Mar 2017 21:24:15 +0530
"Gautham R. Shenoy" <ego@linux.vnet.ibm.com> wrote:
> From: "Gautham R. Shenoy" <ego@linux.vnet.ibm.com>
>
> Move the piece of code in powernv/smp.c::pnv_smp_cpu_kill_self() which
> transitions the CPU to the deepest available platform idle state to a
> new function named pnv_cpu_offline() in powernv/idle.c. The rationale
> behind this code movement is that the data required to determine the
> deepest available platform state resides in powernv/idle.c.
>
> Signed-off-by: Gautham R. Shenoy <ego@linux.vnet.ibm.com>
Looks good. As a nitpick, possibly one or two variables in idle.c could
become static (pnv_deepest_stop_psscr_*).
Reviewed-by: Nicholas Piggin <npiggin@gmail.com>
next prev parent reply other threads:[~2017-03-20 16:35 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-20 15:54 [v2 PATCH 0/4] powernv:idle: Fixes for CPU-Hotplug on POWER DD1.0 Gautham R. Shenoy
2017-03-20 15:54 ` [v2 PATCH 1/4] powernv: Move CPU-Offline idle state invocation from smp.c to idle.c Gautham R. Shenoy
2017-03-20 16:35 ` Nicholas Piggin [this message]
2017-03-22 5:41 ` Gautham R Shenoy
2017-03-20 15:54 ` [v2 PATCH 2/4] powernv:smp: Add busy-wait loop as fall back for CPU-Hotplug Gautham R. Shenoy
2017-03-20 15:54 ` [v2 PATCH 3/4] powernv:idle: Don't override default/deepest directly in kernel Gautham R. Shenoy
2017-03-20 16:39 ` Nicholas Piggin
2017-03-22 5:43 ` Gautham R Shenoy
2017-03-20 15:54 ` [v2 PATCH 4/4] powernv: Recover correct PACA on wakeup from a stop on P9 DD1 Gautham R. Shenoy
2017-03-20 16:59 ` Nicholas Piggin
2017-03-22 3:29 ` Nicholas Piggin
2017-03-22 5:58 ` Gautham R Shenoy
2017-03-22 8:30 ` Nicholas Piggin
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