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Wed, 7 Aug 2019 15:21:21 +0000 From: Michael Kelley To: Dexuan Cui , "linux-hyperv@vger.kernel.org" , "gregkh@linuxfoundation.org" , Stephen Hemminger , Sasha Levin , "sashal@kernel.org" , Haiyang Zhang , KY Srinivasan , "tglx@linutronix.de" CC: "linux-kernel@vger.kernel.org" Subject: RE: [PATCH v2 4/7] Drivers: hv: vmbus: Suspend/resume the synic for hibernation Thread-Topic: [PATCH v2 4/7] Drivers: hv: vmbus: Suspend/resume the synic for hibernation Thread-Index: AQHVR8iqvnQQXjyXzkC6LH6XcTu46Kbv16rA Date: Wed, 7 Aug 2019 15:21:21 +0000 Message-ID: References: <1564595464-56520-1-git-send-email-decui@microsoft.com> <1564595464-56520-5-git-send-email-decui@microsoft.com> In-Reply-To: <1564595464-56520-5-git-send-email-decui@microsoft.com> 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; MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_SiteId=72f988bf-86f1-41af-91ab-2d7cd011db47; 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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-Network-Message-Id: 12584926-ed95-4ce3-9a24-08d71b4ae738 X-MS-Exchange-CrossTenant-originalarrivaltime: 07 Aug 2019 15:21:21.6430 (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: GpDPxO1fOxA8rZ+EyW4HK/YeCV5Xj4VYYa5E10GmyuvrzkVbkdh5x+p4xz3fC2icKAIrDq4TnfNviKfCgqDff/D5PF4dKD/I6LY1ZSa1rIA= X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR21MB0748 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Dexuan Cui Sent: Wednesday, July 31, 2019 10:52= AM >=20 > This is needed when we resume the old kernel from the "current" kernel. >=20 > Note: when hv_synic_suspend() and hv_synic_resume() run, all the > non-boot CPUs have been offlined, and interrupts are disabled on CPU0. >=20 > Signed-off-by: Dexuan Cui > --- > drivers/hv/vmbus_drv.c | 46 ++++++++++++++++++++++++++++++++++++++++++++= ++ > 1 file changed, 46 insertions(+) >=20 Reviewed-by: Michael Kelley