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Tue, 30 Oct 2018 13:41:17 +0000 Received: from CY4PR21MB0773.namprd21.prod.outlook.com ([fe80::6d0b:b90f:7a73:99fb]) by CY4PR21MB0773.namprd21.prod.outlook.com ([fe80::6d0b:b90f:7a73:99fb%8]) with mapi id 15.20.1294.014; Tue, 30 Oct 2018 13:41:17 +0000 From: Michael Kelley To: Thomas Gleixner CC: "gregkh@linuxfoundation.org" , "linux-kernel@vger.kernel.org" , "x86@kernel.org" , "daniel.lezcano@linaro.org" , "olaf@aepfle.de" , "apw@canonical.com" , vkuznets , "jasowang@redhat.com" , "marcelo.cerri@canonical.com" , Stephen Hemminger , KY Srinivasan Subject: RE: [PATCH v2 char-misc 1/1] x86/hyperv: Fix PIT shutdown quirk Thread-Topic: [PATCH v2 char-misc 1/1] x86/hyperv: Fix PIT shutdown quirk Thread-Index: AQHUaiUQ3a7qHQo2LESQRWPEN4INt6U3guCAgABTtSA= Date: Tue, 30 Oct 2018 13:41:17 +0000 Message-ID: References: <1540226025-45092-1-git-send-email-mikelley@microsoft.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: msip_labels: MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_Enabled=True; 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received-spf: None (protection.outlook.com: microsoft.com does not designate permitted sender hosts) x-microsoft-antispam-message-info: Xak2Bv7ut+xb+bhWOu1qh1oi4uQK//HsGyvGMoInU3XghvDn7NRW4dcOTeICbY1aAdxTwWYLiTvF4eY9To7zje3A6/vJTFdzopliJfIt8WiIyP0wOHUSSnnZyCQeFeeY71UYKLc0b0PcumRExqpLoQz4psvq2F6YOnQjvpyPyRiXMMz1Xd5PThhbHaHbADSkzYYFy6GD/XI+IZNcOsbuYd0oBLgiYGC3pvAz55c5NbIASgWV945QG46AN9z4/5GaJpSCEk7BqwwYLjR0dYJCu+W3riNBWsvKLvy97VekHCs1mZ5K1yNSG80G6BAj8ragfM/iEnGHYSX9LGE+0KozLYvavo9QKQunoq2/Y0EmWGQ= spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-Network-Message-Id: 0f5acbb9-6f2b-40be-989e-08d63e6d5e53 X-MS-Exchange-CrossTenant-originalarrivaltime: 30 Oct 2018 13:41:17.3357 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY4PR21MB0472 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Thomas Gleixner Sent: Tuesday, October 30, 2018 = 1:36 AM >=20 > You can avoid the ideffery completely. Something like the uncompiled patc= h > (lacks comments) below keeps everything in i8253 and should just work. >=20 Thanks. I'll spin a new version with that approach. Having to clutter the= i8253 code with a Hyper-V quirk is unfortunate, but it's a lot fewer lines of cod= e overall. Michael