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Wed, 25 Mar 2020 18:36:28 +0000 From: Michael Kelley To: "ltykernel@gmail.com" , KY Srinivasan , Haiyang Zhang , Stephen Hemminger , Wei Liu CC: Tianyu Lan , "linux-hyperv@vger.kernel.org" , "linux-kernel@vger.kernel.org" , vkuznets Subject: RE: [PATCH V3 6/6] x86/Hyper-V: Report crash data in die() when panic_on_oops is set Thread-Topic: [PATCH V3 6/6] x86/Hyper-V: Report crash data in die() when panic_on_oops is set Thread-Index: AQHWAbHlE3/XLPZl30CkWCL0+2KemqhZpLyA Date: Wed, 25 Mar 2020 18:36:28 +0000 Message-ID: References: <20200324075720.9462-1-Tianyu.Lan@microsoft.com> <20200324075720.9462-7-Tianyu.Lan@microsoft.com> In-Reply-To: <20200324075720.9462-7-Tianyu.Lan@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; MSIP_Label_f42aa342-8706-4288-bd11-ebb85995028c_Owner=mikelley@ntdev.microsoft.com; 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received-spf: None (protection.outlook.com: microsoft.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: WSgqEbs7kN8/quHnuaMQro4iuGmH31qewDgtrwtjro9lwA2FzDw/EF7NCDRXM9C/Cpd8mCJ4hBoccf8xdfO08pENmxIG5K4vauXofFpeDNkCaSiiCNXUqplOfKCzdddMPuLfIxv6wjBZb+/5vPLPb8WOaWn/6bOYetIagZ8q5aUeqUuEFUSiYlnDcA/n7+IwO+BBv8y6vM6weApBbHqOQVszydIE1ffIxHt0NtUM7P/IGIIwrCKv+dqy5n+2dArfKQaBMCzB4JAGB4bjRI5TYi169Ip0ybv3dgcdY5PYpWsKPKoyWZ898Nr3YCtP5r4RMM+CLk1QHNIBLNezhYX6A4jIbbqAOj0RUJfkrMBOyw2s6oeTj38Y4mX9n1xmfNASwyrODnxC50tREV4Osa333ybk81L6H3ZtYbS/ALIylUwwBtUkZDKF6x86EXQg+sS4 x-ms-exchange-antispam-messagedata: WXVbbpLjMZOOpKSCe/pK/SIIWNZVm0kOwgnfnQASYh7/Md2dBorDhApBwX4wwO9O3HqlcdXCGPbdFuB4iCOTJHm8p/WW8or9cJAvXjEMY7/+IOj+5q5DD2zWRy0XG+sKyaHkPI5IZgGvKcB7ftI/ZA== 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: a3a0b34e-cf0d-4157-fbbe-08d7d0eb6e9e X-MS-Exchange-CrossTenant-originalarrivaltime: 25 Mar 2020 18:36:28.5680 (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: EWUwNGZLHAOmIYRyvWbiFEHivruODKjHdhO8HEcKO2KMrOMm6pr2atfJnfGv6pscZd/JojALRrc57N/MrMUTOc1dF0apX2PX+mC6tuO//bU= X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW2PR2101MB0938 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Tianyu Lan Sent: Tuesday, March 24, 2020 1= 2:57 AM >=20 > When oops happens with panic_on_oops unset, the oops > thread is killed by die() and system continues to run. > In such case, guest should not report crash register > data to host since system still runs. Fix it. >=20 > Signed-off-by: Tianyu Lan > --- > drivers/hv/vmbus_drv.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) >=20 Reviewed-by: Michael Kelley