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Fri, 4 Jun 2021 00:14:09 +0000 From: Sunil Muthuswamy To: Michael Kelley , KY Srinivasan , Haiyang Zhang , Stephen Hemminger , "wei.liu@kernel.org" , "tglx@linutronix.de" , "mingo@redhat.com" , "bp@alien8.de" , "x86@kernel.org" , "linux-kernel@vger.kernel.org" , "linux-hyperv@vger.kernel.org" Subject: RE: [PATCH 1/1] Drivers: hv: Move Hyper-V extended capability check to arch neutral code Thread-Topic: [PATCH 1/1] Drivers: hv: Move Hyper-V extended capability check to arch neutral code Thread-Index: AQHXV/dt754Yd0mslE6VHNCgKiA46KsC+4ow Date: Fri, 4 Jun 2021 00:14:09 +0000 Message-ID: References: <1622669804-2016-1-git-send-email-mikelley@microsoft.com> In-Reply-To: <1622669804-2016-1-git-send-email-mikelley@microsoft.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: microsoft.com; dkim=none (message not signed) header.d=none;microsoft.com; dmarc=none action=none header.from=microsoft.com; x-originating-ip: [2601:602:9400:570:94c3:1b26:9ddf:659c] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: e81f4c18-3fd6-408e-9266-08d926edace8 x-ms-traffictypediagnostic: MW4PR21MB1860: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:9508; 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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: MW4PR21MB2004.namprd21.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: e81f4c18-3fd6-408e-9266-08d926edace8 X-MS-Exchange-CrossTenant-originalarrivaltime: 04 Jun 2021 00:14:09.8588 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: WZzYDIw8i9d3gbfNicN5xMdBs7e+2SFimDNwp4dPDbWKg+WKHcdoroy8Gitn2XIGr6spOaAkIkzeSHEzwUiUK5dwtNGiftmBm87JYdx6Crw= X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW4PR21MB1860 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > The extended capability query code is currently under arch/x86, but it > is architecture neutral, and is used by arch neutral code in the Hyper-V > balloon driver. Hence the balloon driver fails to build on other > architectures. >=20 > Fix by moving the ext cap code out from arch/x86. Because it is also > called from built-in architecture specific code, it can't be in a module, > so the Makefile treats as built-in even when CONFIG_HYPERV is "m". Also > drivers/Makefile is tweaked because this is the first occurrence of a > Hyper-V file that is built-in even when CONFIG_HYPERV is "m". >=20 > While here, update the hypercall status check to use the new helper > function instead of open coding. No functional change. >=20 Thanks for taking care of this, Michael. Reviewed-by: Sunil Muthuswamy