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thesofproject / sof Public

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[DNM][WiP][PoC] userspace LL scheduling: LLEXT & multicore#10945

Draft

lyakh wants to merge 97 commits into

thesofproject:mainthesofproject/sof:mainfrom

lyakh:llext-ulllyakh/sof:llext-ullCopy head branch name to clipboard

Conversation Commits97 (97)Checks Files changed

Draft

[DNM][WiP][PoC] userspace LL scheduling: LLEXT & multicore#10945
lyakh wants to merge 97 commits into
thesofproject:mainfrom
lyakh:llext-ull

Commits

Commits on Jun 16, 2026

(---section submitted PRs START)
kv2019i
committed
audio: host-zepher: add HOST_DMA_IPC_POSITION_UPDATES Kconfig
kv2019i
committed
ipc: ipc4: helper: drop redundant locking in ipc4_search_for_drv()
kv2019i
committed
audio: component: drop redundant locking in driver list
kv2019i
committed
(---section submitted PRs STOP)
kv2019i
committed
(---section: scheduler-split START)
kv2019i
committed
schedule: add support for LL userspace tasks
kv2019i
committed
schedule: allocate the scheduler objects with sof_heap_alloc()
kv2019i
committed
(---section: scheduler-split STTOP)
kv2019i
committed
(---section dai-zephyr START)
kv2019i
committed
WIP: audio: dai-zephyr: temporarily disable spinlock for dai properties
kv2019i
committed
audio: dai-zephyr: migrate to use dai_get_properties_copy()
kv2019i
committed
(---section dai-zephyr STOP)
kv2019i
committed
(---section schduler changes START)
kv2019i
committed
schedule: zephyr_ll: convert pdata->sem into a dynamic object
kv2019i
committed
schedule: add scheduler_get_data_for_core()
kv2019i
committed
schedule: zephyr_ll: add user_ll_grant_access()
kv2019i
committed
schedule: zephyr_domain: use a different thread name for user LL
kv2019i
committed
coherent: disable core debug checks for user-space builds
kv2019i
committed
schedule: zephyr_ll: add user_ll_lock/unlock_sched()
kv2019i
committed
schedule: zephyr_ll: user ll: keep ll lock while running tasks
kv2019i
committed
audio: pipeline: change locking strategy for user LL builds
kv2019i
committed
schedule: zephyr_ll: make zephyr_ll_assert_core() user-space safe
kv2019i
committed
schedule: zephyr_ll: use correct method to get scheduler data
kv2019i
committed
schedule: zephyr_dp_sched_app: fix build with no thread names
kv2019i
committed
(---section schduler changes END)
kv2019i
committed
(---section audio-user PRs START)
kv2019i
committed
audio: pipeline-schedule: make pipeline_schedule_triggered() user safe
kv2019i
committed
init: secondary_core_init: set up user-space LL scheduler context
kv2019i
committed
audio: copier: avoid IRQ lock/unlock in chmap code
kv2019i
committed
audio: module_adapter: avoid IRQ lock/unlock in prepare()
kv2019i
committed
audio: module_adapter: make data_blob compatible with user-space
kv2019i
committed
audio: module-adapter: make generic.c user-space compatible
kv2019i
committed
audio: module: generic: use module context for blob allocations
kv2019i
committed
audio: make comp_drivers_get() accessible from user-space
kv2019i
committed
audio: chain_dma: add user-space memory and scheduling support
kv2019i
committed
audio: chain-dma: use module context for allocations
kv2019i
committed
(---section audio user PRs STOP)
kv2019i
committed
(---section: IPC user support START)
kv2019i
committed
ipc: move standalone-test check later in ipc_init()
kv2019i
committed
userspace: split ipc files into user and kernel features. REVISIT memcpy
kv2019i
committed
WIP: ipc: implement user-space IPC handling for CREATE_PIPELINE
kv2019i
committed
WIP: ipc: implement user-space IPC handling for CREATE_PIPELINE
kv2019i
committed
WIP: ipc: ipc4: route PIPELINE_DELETE to user-space handler
kv2019i
committed
ipc: make IPC stack thread size configurable

Jyri Sarha
authored and
kv2019i
committed
ipc: ipc4: use sof_heap_alloc in ipc4_add_comp_dev()
kv2019i
committed
ipc: turn ipc_msg_reply() into a system call
kv2019i
committed
ipc: use application heap for IPC pipeline and component allocations
kv2019i
committed
ipc: ipc-helper: trace context not used in user-space
kv2019i
committed
ipc: ipc4: use the core number from IPC config
kv2019i
committed
WIP: ipc: ipc4: route MOD_CONFIG_GET/SET to user-space handler
kv2019i
committed
WIP: ipc: ipc4: route MOD_BIND/UNBIND to user-space handler
kv2019i
committed
WIP: ipc: ipc4: route MOD_INIT_INSTANCE to user-space handler
kv2019i
committed
WIP: ipc: ipc4: route GLB_SET_PIPELINE_STATE to user-space handler
kv2019i
committed
WIP: ipc: ipc4: route MOD_LARGE_CONFIG_GET/SET user-space
kv2019i
committed
ipc: add a mod_alloc_ctx context to IPC context
kv2019i
committed
zephyr: lib: make vregion_alloc/free system calls
kv2019i
committed
(---section: IPC user support STOP)
kv2019i
committed
(---section: IPC notifications START)
kv2019i
committed
ipc: turn ipc_msg_send() into a system call if SOF_USERSPACE_LL=y

Jyri Sarha
authored and
kv2019i
committed
ipc: make IPC message allocation userspace-safe

Jyri Sarha
authored and
kv2019i
committed
ipc4: notification: make send_resource_notif() a syscall

Jyri Sarha
authored and
kv2019i
committed
(---section: IPC notifications STOP)
kv2019i
committed
(---section test-case START)
kv2019i
committed
zephyr: test: userspace: add pipeline_two_components test
kv2019i
committed
(---section WIP mandatory changes START)
kv2019i
committed
audio: pipeline: enable position reporting for user-space pipelines
kv2019i
committed
schedule: zephyr_ll: fix use-after-free when freeing an active user-space task
kv2019i
committed
WIP: ipc: expose coldrodata to IPC user thread
kv2019i
committed
HACK: audio: collection of feature limitations to run LL in user
kv2019i
committed

Commits on Jun 17, 2026

ipc: only add a partition if it's non-empty
lyakh
committed
audio: pipeline: add a missing header
lyakh
committed
lib-manager: add 2 syscalls to handle LLEXT-related work
lyakh
committed
audio: pipeline: add a missing header
lyakh
committed
ipc: ipc4: type-cast a pointer instead of memcpy()
lyakh
committed
ipc: ipc4: fix a logging format
lyakh
committed
schedule: LL: limit scope of two functions
lyakh
committed
llext: add a function to map libraries to userspace
lyakh
committed
lib-manager: use user heap for the driver object
lyakh
committed
llext: map modules for userspace LL
lyakh
committed
ipc: enable syscalls for userspace always
lyakh
committed
ipc: remove driver copy
lyakh
committed
schedule: ll: userspace: enable LLEXT
lyakh
committed
audio: pipeline: remove unneeded warning
lyakh
committed
ipc: disable memory zones for IPC4
lyakh
committed
ipc: eliminate multiple memcpy() calls
lyakh
committed
dma: allocate on userspace heap when running in userspace
lyakh
committed
schedule: ll: allocate semaphores only for used cores
lyakh
committed
schedule: ll: initialise task object to 0
lyakh
committed
schedule: ll: allocate coherent memory in userspace mode too
lyakh
committed
ipc: allocate userspace IPC thread dynamically
lyakh
committed
ipc: allocate userspace context uncached
lyakh
committed

Commits on Jun 22, 2026

schedule: ll: use correct core
lyakh
committed
userspace: ll: ipc: increase IPC processing timeout
lyakh
committed
ipc: ipc4: extract pipeline ID detection into a function
lyakh
committed
ipc: allocate userspace LL context uncached
lyakh
committed
schedule: ll: enable multicore userspace
lyakh
committed

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