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Thu, 8 Mar 2018 01:25:33 -0500 Received: from mail-sn1nam01on0095.outbound.protection.outlook.com ([104.47.32.95]:45505 "EHLO NAM01-SN1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1755324AbeCHFAn (ORCPT ); Thu, 8 Mar 2018 00:00:43 -0500 From: Sasha Levin To: "linux-kernel@vger.kernel.org" , "stable@vger.kernel.org" CC: Nicholas Piggin , Michael Ellerman , Sasha Levin Subject: [PATCH AUTOSEL for 4.9 044/190] powerpc/64s: Remove SAO feature from Power9 DD1 Thread-Topic: [PATCH AUTOSEL for 4.9 044/190] powerpc/64s: Remove SAO feature from Power9 DD1 Thread-Index: AQHTtpoyABdgcr0PpUmjjC0jkaClZg== Date: Thu, 8 Mar 2018 04:59:11 +0000 Message-ID: <20180308045810.8041-44-alexander.levin@microsoft.com> References: <20180308045810.8041-1-alexander.levin@microsoft.com> In-Reply-To: <20180308045810.8041-1-alexander.levin@microsoft.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [52.168.54.252] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1;DM5PR2101MB1109;7:JH/x4RRsEnmACddjTmnzYiyE45r2RPdrFUPjl07digaB6RQJHfhPD6TcnwvVvEbE9aMTou7h0keHX6sLc8UaSdmlHILQCZcesHcrtCvS7KR9A53Gqky3o1VMLwZ/gFlJ/Aus8/eyadJlo8ki72nWjL7HXHpVHx2GHvwUVmOYj+jzEW+LT3h27T848bhUfPipjcZ4dWlj+OwFKZU1SHVu9DLUbSmTv4CxTAf/HEwuJ8vz6g8EFE+ihgxfk5T0LpDB;20:LM0Ufm+QPNa+TT1V9Ym5xAgJjcZs7tCyKBJNrdQqZNokBxe3qqKtX6ybpy5LCwgduCwR8oEQ0hxHZivHEXjA4US3VaduMw5vk/e8Ce0OHvd1g4e3NPpxHoZDCIIItArXDEUktE1Nn3htwYrCdKnMuZ+04EvHWYq6ZbYCbFUADk8= x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: 55c21d13-df72-4886-0a73-08d584b18b1c x-microsoft-antispam: UriScan:;BCL:0;PCL:0;RULEID:(7020095)(4652020)(48565401081)(5600026)(4604075)(3008032)(4534165)(4627221)(201703031133081)(201702281549075)(2017052603328)(7193020);SRVR:DM5PR2101MB1109; 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x-microsoft-antispam-message-info: Dl6hQeN1dZ/JSJqgmP+7cFfvjhBtlvBMFUC3KsauFhz0wKpDVO1D+G5FT1f1vphdwSf4WvVOKcgATXWnl0F36VeGYzgYtKMH4j1yPXkDeO47Q4P337qq77IRqheLAY4ZkLQu3cMDhCgcjrGLwc0YYA+pCtnaubSZaboi4LP/+SHU8mo258OecvcmczbklDv8HHMOBmllyMl7F0Dyotq13JII5IB03HGqqQocd60JcybPvodIMaqBALCX8bYoOo/BIkPsi3mTXo1CiK3v9Gb47FEvzH3OSO0KPcIo5SR1TknnVe3UzauResAOPequWS2IveXLfnK1ZeaZCohNofFiAA== spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-Network-Message-Id: 55c21d13-df72-4886-0a73-08d584b18b1c X-MS-Exchange-CrossTenant-originalarrivaltime: 08 Mar 2018 04:59:11.1158 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR2101MB1109 Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: From: Nicholas Piggin [ Upstream commit ca80d5d0a8175c9be04cfbce24180b8f5e0a744b ] Power9 DD1 does not implement SAO. Although it's not widely used, its prese= nce or absence is visible to user space via arch_validate_prot() so it's modera= tely important that we get the value right. Fixes: 7dccfbc325bb ("powerpc/book3s: Add a cpu table entry for different P= OWER9 revs") Signed-off-by: Nicholas Piggin Signed-off-by: Michael Ellerman Signed-off-by: Sasha Levin --- arch/powerpc/include/asm/cputable.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/powerpc/include/asm/cputable.h b/arch/powerpc/include/asm= /cputable.h index ab68d0ee7725..4e54282c29b4 100644 --- a/arch/powerpc/include/asm/cputable.h +++ b/arch/powerpc/include/asm/cputable.h @@ -474,7 +474,8 @@ enum { CPU_FTR_ICSWX | CPU_FTR_CFAR | CPU_FTR_HVMODE | CPU_FTR_VMX_COPY | \ CPU_FTR_DBELL | CPU_FTR_HAS_PPR | CPU_FTR_DAWR | \ CPU_FTR_ARCH_207S | CPU_FTR_TM_COMP | CPU_FTR_ARCH_300) -#define CPU_FTRS_POWER9_DD1 (CPU_FTRS_POWER9 | CPU_FTR_POWER9_DD1) +#define CPU_FTRS_POWER9_DD1 ((CPU_FTRS_POWER9 | CPU_FTR_POWER9_DD1) & \ + (~CPU_FTR_SAO)) #define CPU_FTRS_CELL (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \ CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \ CPU_FTR_ALTIVEC_COMP | CPU_FTR_MMCRA | CPU_FTR_SMT | \ --=20 2.14.1