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Mon, 10 Aug 2020 06:20:22 +0000 From: Jason Liu To: Oliver Graute CC: Anson Huang , Aisheng Dong , "catalin.marinas@arm.com" , "will@kernel.org" , dl-linux-imx , "linux-kernel@vger.kernel.org" Subject: RE: arm64: imx8qm: tlb SW workaround for IMX8QM Thread-Topic: arm64: imx8qm: tlb SW workaround for IMX8QM Thread-Index: AQHWHJJL3sMk5DuHM0ub5NdDHp2bnKiM71gAgKSSOACAAAECAA== Date: Mon, 10 Aug 2020 06:20:22 +0000 Message-ID: References: <20200427082348.GA98329@archlinux.localdomain> <20200427130328.GA101181@archlinux.localdomain> <20200810061324.GA66637@archlinux.localdomain> In-Reply-To: <20200810061324.GA66637@archlinux.localdomain> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: gmail.com; dkim=none (message not signed) header.d=none;gmail.com; dmarc=none action=none header.from=nxp.com; x-originating-ip: [119.31.174.67] x-ms-publictraffictype: Email x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: c3ef980b-7bfa-49f2-d35d-08d83cf57674 x-ms-traffictypediagnostic: AM0PR04MB7042: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:8882; 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x-ms-exchange-antispam-messagedata: 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 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: AM0PR0402MB3809.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: c3ef980b-7bfa-49f2-d35d-08d83cf57674 X-MS-Exchange-CrossTenant-originalarrivaltime: 10 Aug 2020 06:20:22.4247 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: wYw55Qfvy2ZKgFhWfkCpvZJIdP/sgjnTZOQEUYz6kcIvi+bGbbhGKTzQzWsMjHNg7gQuYHc4laeXk7QB70F1lw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR04MB7042 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > -----Original Message----- > From: Oliver Graute > Sent: Monday, August 10, 2020 2:13 PM > To: Jason Liu > Cc: Anson Huang ; Aisheng Dong > ; catalin.marinas@arm.com; will@kernel.org; > dl-linux-imx ; linux-kernel@vger.kernel.org > Subject: Re: arm64: imx8qm: tlb SW workaround for IMX8QM >=20 > On 27/04/20, Oliver Graute wrote: > > On 27/04/20, Oliver Graute wrote: > > > Hello, > > > > > > is this nxp software workaround already proposed to linux community? > > > can someone point me to the discussion if available. > > > > > > https://eur01.safelinks.protection.outlook.com/?url=3Dhttps%3A%2F%2Fs= o > > > > urce.codeaurora.org%2Fexternal%2Fimx%2Flinux-imx%2Fcommit%2F%3Fh%3 > D3 > > > > Dimx_5.4.3_%3D&data=3D02%7C01%7Cjason.hui.liu%40nxp.com%7Cef51bf > 7d > > > > 704f4b7439f808d83cf48290%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0% > 7C0% > > > > 7C637326368154132369&sdata=3DGrMP8XdoYETWiFdHTHStYv7CEZjRx%2F > mkygA > > > prGckrus%3D&reserved=3D0 > > > 2.0.0&id=3D3D593bea4e36d8c8a4fd65ef4f07fb8144dab2de1c > > > > sry for the broken link. Here the right one: > > > > https://eur01.safelinks.protection.outlook.com/?url=3Dhttps%3A%2F%2Fsou= r > > > ce.codeaurora.org%2Fexternal%2Fimx%2Flinux-imx%2Fcommit%2F%3Fh%3Di > mx_5 > > .4.3_2.0.0%26id%3D593bea4e36d8c8a4fd65ef4f07fb8144dab2de1c&da > ta=3D02 > > %7C01%7Cjason.hui.liu%40nxp.com%7Cef51bf7d704f4b7439f808d83cf4829 > 0%7C6 > > > 86ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C0%7C637326368154142361&a > mp;sdata > > > =3DUS2Pu6eOo3vLLNBH7Y1zZM5LACrnhLWGmx7bOc5fNg4%3D&reserved=3D > 0 >=20 > this patch is not applicable anymore since next-20200713. Is there an upd= ated > one? The patch has been updated a little bit according to latest ERRATA. The pat= ch not sent upstream yet. >=20 > Best Regards, >=20 > Oliver