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From: David Gibson <david@gibson.dropbear.id.au>
To: "Cédric Le Goater" <clg@kaod.org>
Cc: qemu-ppc@nongnu.org, qemu-devel@nongnu.org,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>
Subject: Re: [Qemu-devel] [PATCH 12/19] target/ppc: Disable ISA 2.06 PM instructions on POWER9
Date: Wed, 13 Feb 2019 16:07:06 +1100	[thread overview]
Message-ID: <20190213050705.GN1884@umbus.fritz.box> (raw)
In-Reply-To: <20190128094625.4428-13-clg@kaod.org>

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On Mon, Jan 28, 2019 at 10:46:18AM +0100, Cédric Le Goater wrote:
> From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
> 
> The ISA 2.06/2.07 Power Management instructions (doze, nap & rvwinkle)
> don't exist on POWER9, don't enable them.
> 
> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
> Signed-off-by: Cédric Le Goater <clg@kaod.org>

This looks like a correct fix regardless of the rest of the series,
applied to ppc-for-4.0.

> ---
>  target/ppc/translate_init.inc.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/target/ppc/translate_init.inc.c b/target/ppc/translate_init.inc.c
> index 076d94f45755..f235162a1f6b 100644
> --- a/target/ppc/translate_init.inc.c
> +++ b/target/ppc/translate_init.inc.c
> @@ -8880,7 +8880,7 @@ POWERPC_FAMILY(POWER9)(ObjectClass *oc, void *data)
>                          PPC2_FP_TST_ISA206 | PPC2_BCTAR_ISA207 |
>                          PPC2_LSQ_ISA207 | PPC2_ALTIVEC_207 |
>                          PPC2_ISA205 | PPC2_ISA207S | PPC2_FP_CVT_S64 |
> -                        PPC2_TM | PPC2_PM_ISA206 | PPC2_ISA300 | PPC2_PRCNTL;
> +                        PPC2_TM | PPC2_ISA300 | PPC2_PRCNTL;
>      pcc->msr_mask = (1ull << MSR_SF) |
>                      (1ull << MSR_TM) |
>                      (1ull << MSR_VR) |

-- 
David Gibson			| I'll have my music baroque, and my code
david AT gibson.dropbear.id.au	| minimalist, thank you.  NOT _the_ _other_
				| _way_ _around_!
http://www.ozlabs.org/~dgibson

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  reply	other threads:[~2019-02-13  5:29 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-01-28  9:46 [Qemu-devel] [PATCH 00/19] ppc: support for the baremetal XIVE interrupt controller (POWER9) Cédric Le Goater
2019-01-28  9:46 ` [Qemu-devel] [PATCH 01/19] ppc/xive: hardwire the Physical CAM line of the thread context Cédric Le Goater
2019-02-08  5:44   ` David Gibson
2019-02-08  7:28     ` Cédric Le Goater
2019-01-28  9:46 ` [Qemu-devel] [PATCH 02/19] ppc: externalize ppc_get_vcpu_by_pir() Cédric Le Goater
2019-01-28  9:46 ` [Qemu-devel] [PATCH 03/19] xive: extend the XiveRouter get_tctx() method with the page offset Cédric Le Goater
2019-02-12  4:34   ` David Gibson
2019-02-12  8:25     ` Cédric Le Goater
2019-02-12 20:31       ` Cédric Le Goater
2019-01-28  9:46 ` [Qemu-devel] [PATCH 04/19] ppc/pnv: xive: export the TIMA memory accessors Cédric Le Goater
2019-01-28  9:46 ` [Qemu-devel] [PATCH 05/19] ppc/pnv: add XIVE support Cédric Le Goater
2019-02-12  5:40   ` David Gibson
2019-02-19  7:31     ` Cédric Le Goater
2019-02-21  3:13       ` David Gibson
2019-02-21  8:32         ` Cédric Le Goater
2019-03-05  3:42           ` David Gibson
2019-01-28  9:46 ` [Qemu-devel] [PATCH 06/19] target/ppc: Remove some #if 0'ed code Cédric Le Goater
2019-02-12  5:41   ` David Gibson
2019-01-28  9:46 ` [Qemu-devel] [PATCH 07/19] target/ppc: Make special ORs match x86 pause and don't generate on mttcg Cédric Le Goater
2019-02-12  5:59   ` David Gibson
2019-02-13  0:03     ` Benjamin Herrenschmidt
2019-02-13  4:54       ` David Gibson
2019-02-13  8:07         ` Cédric Le Goater
2019-01-28  9:46 ` [Qemu-devel] [PATCH 08/19] target/ppc: Fix nip on power management instructions Cédric Le Goater
2019-02-12  6:02   ` David Gibson
2019-02-13  0:04     ` Benjamin Herrenschmidt
2019-02-15 15:30       ` Cédric Le Goater
2019-01-28  9:46 ` [Qemu-devel] [PATCH 09/19] target/ppc: Don't clobber MSR:EE on PM instructions Cédric Le Goater
2019-02-12  6:05   ` David Gibson
2019-01-28  9:46 ` [Qemu-devel] [PATCH 10/19] target/ppc: Fix support for "STOP light" states on POWER9 Cédric Le Goater
2019-02-13  5:05   ` David Gibson
2019-01-28  9:46 ` [Qemu-devel] [PATCH 11/19] target/ppc: Move "wakeup reset" code to a separate function Cédric Le Goater
2019-02-13  5:06   ` David Gibson
2019-01-28  9:46 ` [Qemu-devel] [PATCH 12/19] target/ppc: Disable ISA 2.06 PM instructions on POWER9 Cédric Le Goater
2019-02-13  5:07   ` David Gibson [this message]
2019-01-28  9:46 ` [Qemu-devel] [PATCH 13/19] target/ppc: Rename "in_pm_state" to "resume_as_sreset" Cédric Le Goater
2019-02-13  5:08   ` David Gibson
2019-01-28  9:46 ` [Qemu-devel] [PATCH 14/19] target/ppc: Add POWER9 exception model Cédric Le Goater
2019-02-13  5:10   ` David Gibson
2019-01-28  9:46 ` [Qemu-devel] [PATCH 15/19] target/ppc: Detect erroneous condition in interrupt delivery Cédric Le Goater
2019-02-13  5:11   ` David Gibson
2019-01-28  9:46 ` [Qemu-devel] [PATCH 16/19] target/ppc: Add Hypervisor Virtualization Interrupt on POWER9 Cédric Le Goater
2019-02-13  5:12   ` David Gibson
2019-01-28  9:46 ` [Qemu-devel] [PATCH 17/19] target/ppc: Add POWER9 external interrupt model Cédric Le Goater
2019-02-13  5:16   ` David Gibson
2019-02-15 15:43     ` Cédric Le Goater
2019-01-28  9:46 ` [Qemu-devel] [PATCH 18/19] ppc/xive: Make XIVE generate the proper interrupt types Cédric Le Goater
2019-02-13  5:17   ` David Gibson
2019-01-28  9:46 ` [Qemu-devel] [PATCH 19/19] target/ppc: Add support for LPCR:HEIC on POWER9 Cédric Le Goater
2019-02-13  5:18   ` David Gibson

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