From: Benjamin Herrenschmidt <benh@au1.ibm.com>
To: "Shreyas B. Prabhu" <shreyas@linux.vnet.ibm.com>, mpe@ellerman.id.au
Cc: ego@linux.vnet.ibm.com, mikey@neuling.org,
maddy@linux.vnet.ibm.com, linux-kernel@vger.kernel.org,
linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH v5 08/11] powerpc/powernv: Add platform support for stop instruction
Date: Mon, 06 Jun 2016 08:28:38 +1000 [thread overview]
Message-ID: <1465165718.4274.20.camel@au1.ibm.com> (raw)
In-Reply-To: <1464871141-11568-9-git-send-email-shreyas@linux.vnet.ibm.com>
On Thu, 2016-06-02 at 07:38 -0500, Shreyas B. Prabhu wrote:
> @@ -61,8 +72,13 @@ save_sprs_to_stack:
> * Note all register i.e per-core, per-subcore or per-thread is saved
> * here since any thread in the core might wake up first
> */
> +BEGIN_FTR_SECTION
> + mfspr r3,SPRN_PTCR
> + std r3,_PTCR(r1)
> +FTR_SECTION_ELSE
> mfspr r3,SPRN_SDR1
> std r3,_SDR1(r1)
> +ALT_FTR_SECTION_END_IFSET(CPU_FTR_ARCH_300)
This is the only new SPR we care about in P9 ?
Cheers,
Ben.
next prev parent reply other threads:[~2016-06-05 22:29 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-02 12:38 [PATCH v5 00/11] powerpc/powernv/cpuidle: Add support for POWER ISA v3 idle states Shreyas B. Prabhu
2016-06-02 12:38 ` [PATCH v5 01/11] powerpc/powernv: Use PNV_THREAD_WINKLE macro while requesting for winkle Shreyas B. Prabhu
2016-06-02 12:38 ` [PATCH v5 02/11] powerpc/kvm: make hypervisor state restore a function Shreyas B. Prabhu
2016-06-02 12:38 ` [PATCH v5 03/11] powerpc/powernv: Rename idle_power7.S to idle_power_common.S Shreyas B. Prabhu
2016-06-02 12:38 ` [PATCH v5 04/11] powerpc/powernv: Rename reusable idle functions to hardware agnostic names Shreyas B. Prabhu
2016-06-02 12:38 ` [PATCH v5 05/11] powerpc/powernv: Make pnv_powersave_common more generic Shreyas B. Prabhu
2016-06-02 12:38 ` [PATCH v5 06/11] powerpc/powernv: abstraction for saving SPRs before entering deep idle states Shreyas B. Prabhu
2016-06-02 12:38 ` [PATCH v5 07/11] powerpc/powernv: set power_save func after the idle states are initialized Shreyas B. Prabhu
2016-06-02 12:38 ` [PATCH v5 08/11] powerpc/powernv: Add platform support for stop instruction Shreyas B. Prabhu
2016-06-05 22:28 ` Benjamin Herrenschmidt [this message]
2016-06-08 17:01 ` Shreyas B Prabhu
2016-06-08 22:22 ` Michael Neuling
2016-06-09 4:42 ` Sam Bobroff
2016-06-09 16:09 ` Shreyas B Prabhu
2016-06-02 12:38 ` [PATCH v5 09/11] cpuidle/powernv: Use CPUIDLE_STATE_MAX instead of MAX_POWERNV_IDLE_STATES Shreyas B. Prabhu
2016-06-02 12:39 ` [PATCH v5 10/11] cpuidle/powernv: Add support for POWER ISA v3 idle states Shreyas B. Prabhu
2016-06-02 12:39 ` [PATCH v5 11/11] powerpc/powernv: Use deepest stop state when cpu is offlined Shreyas B. Prabhu
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