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Wed, 30 Sep 2020 08:51:54 +0000 From: "ito-yuichi@fujitsu.com" To: 'Marc Zyngier' Subject: RE: [PATCH 0/2] Enable support IPI_CPU_CRASH_STOP to be pseudo-NMI Thread-Topic: [PATCH 0/2] Enable support IPI_CPU_CRASH_STOP to be pseudo-NMI Thread-Index: AQHWki1OzvWvE6qquUyffKCpvoCHGKl9XDZAgABqwgCAAQTGkIAArc6AgAFayhA= Date: Wed, 30 Sep 2020 08:51:54 +0000 Message-ID: References: <20200924044236.1245808-1-ito-yuichi@fujitsu.com> <498b10b51f5c961f00b3d18e17c52e94@kernel.org> <74f6c812041970cb8f5e8c0da22fca92@kernel.org> In-Reply-To: <74f6c812041970cb8f5e8c0da22fca92@kernel.org> Accept-Language: ja-JP, en-US Content-Language: ja-JP X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: kernel.org; dkim=none (message not signed) header.d=none;kernel.org; dmarc=none action=none header.from=fujitsu.com; x-originating-ip: [210.162.30.49] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: bdba938a-d33a-4ca2-15ca-08d8651e14dc x-ms-traffictypediagnostic: OSBPR01MB4741: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:2449; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Marc > > On 2020-09-29 06:50, ito-yuichi@fujitsu.com wrote: > > Hi Marc > > [...] > > >> >> The patch has been tested on ThunderX. > >> > >> Which ThunderX? TX2 (at least the incarnation I used in the past) > >> wasn't able > >> to correctly deal with priorities. > > > > I tried it with ThunderX CN8890. > > If you tell me steps to reproduce the problem of TX2, I will > > investigate it with TX as well. > > PMR_EL1 reporting fantasy values, non-uniform priority support across > the interrupt classes, and generally prone to lockups. The original TX > is a very different machine though (TX 1 and 2 only share the engraving > of the manufacturer on the heat-spreader). Thank you for the information. I will check if we have a ThunderX1 or X2 environment. If we have either one, I will investigate it. > M. > -- > Jazz is not dead. It just smells funny... Thank you and best regards, Yuichi Ito _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel