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Wed, 25 Mar 2020 18:34:44 +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 5/6] x86/Hyper-V: Report crash register data when sysctl_record_panic_msg is not set Thread-Topic: [PATCH V3 5/6] x86/Hyper-V: Report crash register data when sysctl_record_panic_msg is not set Thread-Index: AQHWAbHmp7wZEIm1G0eQ3sRDXEuKK6hZpF+w Date: Wed, 25 Mar 2020 18:34:44 +0000 Message-ID: References: <20200324075720.9462-1-Tianyu.Lan@microsoft.com> <20200324075720.9462-6-Tianyu.Lan@microsoft.com> In-Reply-To: <20200324075720.9462-6-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: 9jAdJLTvyxbWRpf0insOBCQTKy5MINI/Gn4O5LpeG/8FseWOUnmRP4UAMjFXvZs4a50FcM42QBWkA64vWPnv3Hqkl6p+rbMekD/piCZzksVSQWfb0aiBxNVEBXleK/wFoTEox85ev8JHDpAmHY1AH6GngPfw4qToFXB13sCL1jkB1KkINuvIsUTmObyPdPddlrzyHVvRZ+OpvtjyNIUHlQgz0ZmOx06LyPR+eLHKDG8lhprmdY7CETvxkzPJNoDHjm5KzyjKQK5O3cb9/LlfJAUMWlJh5lx7DYawJzOdJaMqodGUrYFNVVzViQUJMzfqS0WLE7CKXXj3Fs8leE41h/2RZqrvYpqXDNQruiaK+3myv4y9MqwuJSsyt0VVp2baW6ArIvFohWHSs1CtWMjsVVW9BbN6c4YVAjODZvQ+w2FegdBv8ymqp99RD62IG32w x-ms-exchange-antispam-messagedata: QX4eaFtkrV8LJr2qg29HOEdz/iY9JIc9wGe95iyfmixtb7RuvQq79BTxpAiQsWlMjc0PTNUW6m9Ei4KU57UYEQ+gxP9KwT3tj2azxuYHtZTmNz61YDX+6tnbmouO2ufiE0WbmkaOHtx2foAOtcOc8g== 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: c7e1bb9e-d57d-4003-8b4e-08d7d0eb30ba X-MS-Exchange-CrossTenant-originalarrivaltime: 25 Mar 2020 18:34:44.7269 (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: +HR24tqbxaZ9EVP0x5LJfwBHLvdCdVzcq2m/PcM+iw5W/QsMzsoedIBlTZG9cMcZmMeMgZEaM5vndTBfDA4D4JYf+yEQF/o0N7evk9MnCac= X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW2PR2101MB1066 Sender: linux-hyperv-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-hyperv@vger.kernel.org From: Tianyu Lan Sent: Tuesday, March 24, 2020 1= 2:57 AM >=20 > When sysctl_record_panic_msg is not set, the panic will > not be reported to Hyper-V via hyperv_report_panic_msg(). > So the crash should be reported via hyperv_report_panic(). >=20 > Signed-off-by: Tianyu Lan > --- > drivers/hv/vmbus_drv.c | 23 ++++++++++++++--------- > 1 file changed, 14 insertions(+), 9 deletions(-) >=20 Reviewed-by: Michael Kelley