Received-SPF: pass (google.com: domain of linux-kernel+bounces-75994-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45d1:ec00::1 as permitted sender) client-ip=2604:1380:45d1:ec00::1;
From: "Wu, Wentong" <wentong.wu@intel.com>
To: Ekansh Gupta <quic_ekangupt@quicinc.com>, "srinivas.kandagatla@linaro.org"
	<srinivas.kandagatla@linaro.org>
CC: "gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-arm-msm@vger.kernel.org" <linux-arm-msm@vger.kernel.org>
Subject: RE: [PATCH v1 00/16] Add missing features to FastRPC driver
Thread-Topic: [PATCH v1 00/16] Add missing features to FastRPC driver
Thread-Index: AQHaVaLTQb0BbylwmECnc+VpaWctyrEWDpxA
Date: Thu, 22 Feb 2024 07:03:51 +0000
Message-ID: <MW5PR11MB5787AB2459CBFB0DF1E43BF58D562@MW5PR11MB5787.namprd11.prod.outlook.com>
References: <20240202064039.15505-1-quic_ekangupt@quicinc.com>
In-Reply-To: <20240202064039.15505-1-quic_ekangupt@quicinc.com>
Accept-Language: en-US
Content-Language: en-US
x-ms-exchange-antispam-messagedata-chunkcount: 1
x-ms-exchange-antispam-messagedata-0: =?us-ascii?Q?4o8BbvP+bE3eB3AKY7uyVq2iVJlHYShCQJCnV7qZARsqjvev6IyAdZQn8FQ7?=
 =?us-ascii?Q?SmLF2/CJonfKvqqv1zN+2RXzbnKiUeAHamcnGAAG3mIMQgdZds4vq5w7jZPx?=
 =?us-ascii?Q?ZbY3YSeZLt5Xt2XP069vHaRSkqyyh5manX8t/WMKWDUxSyhgeVePk4hTXcVW?=
 =?us-ascii?Q?BsTUa21qoIppXw7zOFlkhKmrwXQC/cT1nGW/SivCDjQB9M3TXcdeO/kWANO0?=
 =?us-ascii?Q?iM5SCcPA2oJIF2DE2avgQCHEY/MeggGPb95bJhHXQiSZk+DvljX48aSDvDPE?=
 =?us-ascii?Q?hbAZkBJSqB07h/0V7cAGtu7CDGTXBqpKsdRptuUYPOy2Luc5t1Qeg4jSWOqd?=
 =?us-ascii?Q?G1c2PmZT5zQfVWnVrPPMf1n9GEzk9nVK5bi2fAFzHibnhzqeXxRgwPFf50tp?=
 =?us-ascii?Q?3VQT2+Y0W5RerITKvqaILoH4UBrGr8sj/B1gWERVBFaT+2V7QZx0VGnghy1m?=
 =?us-ascii?Q?96CgeWaRsCtRYuzLMvzBrERJqwalmbqoVJhqR2qKfXPRBNKween2Ech1iFQV?=
 =?us-ascii?Q?r4BLUpSmpF0jpCVkhhQn8yXk1XmW2zsJpkZcK9Q8kj5jrlQu5VvFO9ZS8NCe?=
 =?us-ascii?Q?t4Bbs8DuG3fYamw3N4Qu2t/6/63cyRT1IG1vdczoU7V+fqCdhNvR+edbhf5w?=
 =?us-ascii?Q?Xu0BELNetCVFVxnO3c0ckgVzYRHyM0c9VY6gtz5nUtV3s1XtWDtbR89xHhn0?=
 =?us-ascii?Q?GzOoID4TFTJ5D7gwsMwKLnHUP6WeW4S/4btDJn/riUX1iianF3zwcINgX7aD?=
 =?us-ascii?Q?M55cIOJYpC9xo/60jhIt9Gf9S7Y3aMWJDZUbV1cGIDYtRjlYF7g4N3n6Dlou?=
 =?us-ascii?Q?mv+m5Ceo8ZzVwMqepCEQwtgGghSOrPKVEnkmHGv4TJ3gOqVAvgv2/8uTYcjj?=
 =?us-ascii?Q?yYtmbvldcaJMQRCGHmH5ViFCeM6bzVVLW4jrs6iaXE2I7lj+eM2LLVxHnxTj?=
 =?us-ascii?Q?fT1paQOlH/ZvLntQvhpa4cCIZ7/U6Q5Ifg+8v89w1Ua/MKB7WFu0hX+DFb1i?=
 =?us-ascii?Q?sPn41MMeU6RNMm+zKEB6e2JCiKeu6z1Y6YX0mjKgrPXg0FROI18O5OsihgpL?=
 =?us-ascii?Q?8f5ul7MIKFAvdzbxyUr8oWdoiGLF7azPUf8ptSVNq9gePe6EduspaqFEZ/fM?=
 =?us-ascii?Q?Ak+ca9P7IUSwkoHbdrSrb8kyObNvv+yFgYVOCrRoz5Dwc2xor3gfsUghzZRu?=
 =?us-ascii?Q?3gAaA/xPfIbmElSkgu5NwNFNAj1ds/U7cJtD9LcHJbbSaYr/bc+JNQIBCB4q?=
 =?us-ascii?Q?slnW/6YZdQ/Ouc4z9waHwZ2NhmY9R3Dz1RalD2P9g1BvA5BaZMWthwQomNKe?=
 =?us-ascii?Q?U3GsfDUwkSO3Yi8Ele4ApkTQk/jq2XoN4u0QeQpYWTvmpkCeryU0ZMi9qqh0?=
 =?us-ascii?Q?a8uopre7xQOZv0H7bNLQGzzV+Pwm2lJnMejeBAoX8d6qScEj6QupDjVtNMAD?=
 =?us-ascii?Q?RAYEPb5K2SARs5BUmLC/lDHEO2v+TgqASNVmWw3syZsiMzurU8NS1TX8xTw0?=
 =?us-ascii?Q?rXzVw77zpNvx5clhJgvE/g3FTc/TsVIoSBKdbxC3HqGES2EzI+0mLlHJDSle?=
 =?us-ascii?Q?NYhEx9ebDAvlc5L+I3NIaxORxtS4UYzPxb5pQVxp?=
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable
Precedence: bulk
X-Mailing-List: linux-kernel@vger.kernel.org
List-Id: <linux-kernel.vger.kernel.org>
List-Subscribe: <mailto:linux-kernel+subscribe@vger.kernel.org>
List-Unsubscribe: <mailto:linux-kernel+unsubscribe@vger.kernel.org>
MIME-Version: 1.0
X-MS-Exchange-CrossTenant-AuthAs: Internal
X-MS-Exchange-CrossTenant-AuthSource: MW5PR11MB5787.namprd11.prod.outlook.com
X-MS-Exchange-CrossTenant-Network-Message-Id: 0e8e83cc-e7f4-4dcc-02da-08dc33746cb6
X-MS-Exchange-CrossTenant-originalarrivaltime: 22 Feb 2024 07:03:51.2463
 (UTC)
X-MS-Exchange-CrossTenant-fromentityheader: Hosted
X-MS-Exchange-CrossTenant-id: 46c98d88-e344-4ed4-8496-4ed7712e255d
X-MS-Exchange-CrossTenant-mailboxtype: HOSTED
X-MS-Exchange-CrossTenant-userprincipalname: IWVNXDXW4hpgXeRJeFCG8jBWO2/15fGKh+LRMopKOLpR3SXsqknp9nbGKjFLF0fiG3BOT8BU0JI0WFMaRN+kHQ==
X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN0PR11MB5962
X-OriginatorOrg: intel.com

> From: Ekansh Gupta <quic_ekangupt@quicinc.com>
> This patch series adds the listed features that have been missing in
> upstream fastRPC driver.

Thanks for the patch, and is there any latency data on driver side?

BR,
Wentong
>=20
> - Redesign and improve remote heap management.
> - Add static PD restart support for audio and sensors PD using
>   PDR framework.
> - Add changes to support multimode invocation ioctl request. This
>   ioctl call facilitates multiple types of requests from user including
>   CRC check, performance counters, shared context bank usage, etc.
>   This series also carries patch to save and restore interrupted
>   context.
> - Add early wakeup support to allow DSP user to send early response
>   to CPU and improve fastrpc performance.
> - Add polling mode support with which driver polls on memory to avoid
>   CPU from going to low power modes.
> - Add notifications frameworks to provide users with the DSP PD status
>   notifications.
> - Add a control mechanism to allow users to clean up DSP user PD
> - Add wakelock management support
> - Add DSP signalling support
> - Add check for untrusted applications and allow trusted processed to
>   offload to system unsigned PD.
>=20
> Ekansh Gupta (16):
>   misc: fastrpc: Redesign remote heap management
>   misc: fastrpc: Add support for unsigned PD
>   misc: fastrpc: Add static PD restart support
>   misc: fastrpc: Add fastrpc multimode invoke request support
>   misc: fastrpc: Add CRC support for remote buffers
>   misc: fastrpc: Capture kernel and DSP performance counters
>   misc: fastrpc: Add support to save and restore interrupted
>   misc: fastrpc: Add support to allocate shared context bank
>   misc: fastrpc: Add early wakeup support for fastRPC driver
>   misc: fastrpc: Add polling mode support for fastRPC driver
>   misc: fastrpc: Add DSP PD notification support
>   misc: fastrpc: Add support for users to clean up DSP user PD
>   misc: fastrpc: Add wakelock management support
>   misc: fastrpc: Add DSP signal support
>   misc: fastrpc: Restrict untrusted apk to spawn privileged PD
>   misc: fastrpc: Add system unsigned PD support
>=20
>  drivers/misc/fastrpc.c      | 1949 +++++++++++++++++++++++++++++++----
>  include/uapi/misc/fastrpc.h |  112 ++
>  2 files changed, 1844 insertions(+), 217 deletions(-)
>=20
> --
> 2.17.0
>=20