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Message-ID: <MW5PR11MB5787AB2459CBFB0DF1E43BF58D562@MW5PR11MB5787.namprd11.prod.outlook.com>
Date: Thu, 22 Feb 2024 07:03:51 +0000
From: "Wu, Wentong" <wentong.wu@...el.com>
To: Ekansh Gupta <quic_ekangupt@...cinc.com>, "srinivas.kandagatla@...aro.org"
	<srinivas.kandagatla@...aro.org>
CC: "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-msm@...r.kernel.org" <linux-arm-msm@...r.kernel.org>
Subject: RE: [PATCH v1 00/16] Add missing features to FastRPC driver

> From: Ekansh Gupta <quic_ekangupt@...cinc.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
> 
> - 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.
> 
> 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
> 
>  drivers/misc/fastrpc.c      | 1949 +++++++++++++++++++++++++++++++----
>  include/uapi/misc/fastrpc.h |  112 ++
>  2 files changed, 1844 insertions(+), 217 deletions(-)
> 
> --
> 2.17.0
> 

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