This patch series adds the listed features that have been missing in upstream fastRPC driver. - Add missing bug fixes. - Add static PD restart support for audio and sensors PD using PDR framework. - Redesign and improve remote heap management. - Add fixes for unsigned PD. Unsigned PD can be enabled using userspace API: https://git.codelinaro.org/linaro/qcomlt/fastrpc/-/blob/master/src/fastrpc_apps_user.c?ref_type=heads#L1173 Changes in v2: - Added separate patch to add newlines in dev_err. - Added a bug fix in fastrpc capability function. - Added a new patch to save and restore interrupted context. - Fixed config dependency for PDR support. Changes in v3: - Dropped interrupted context patch. - Splitted few of the bug fix patches. - Added Fixes tag wherever applicable. - Updated proper commit message for few of the patches. Changes in v4: - Dropped untrusted process and system unsigned PD patches. - Updated proper commit message for few of the patches. - Splitted patches in more meaningful way. - Added helped functions for fastrpc_req_mmap. Ekansh Gupta (11): misc: fastrpc: Add missing dev_err newlines misc: fastrpc: Fix DSP capabilities request misc: fastrpc: Copy the complete capability structure to user misc: fastrpc: Avoid updating PD type for capability request misc: fastrpc: Add static PD restart support misc: fastrpc: Fix memory leak in audio daemon attach operation misc: fastrpc: Redesign remote heap management misc: fastrpc: Fix ownership reassignment of remote heap misc: fastrpc: Fix remote heap alloc and free user request misc: fastrpc: Fix unsigned PD support misc: fastrpc: Restrict untrusted app to attach to privileged PD drivers/misc/Kconfig | 2 + drivers/misc/fastrpc.c | 635 +++++++++++++++++++++++++++++------- include/uapi/misc/fastrpc.h | 3 + 3 files changed, 527 insertions(+), 113 deletions(-) -- 2.43.0
