Commit 54e96258 authored by Tejun Heo's avatar Tejun Heo
Browse files

sched_ext: Mark scx_bpf_dsq_move_set_[slice|vtime]() with KF_RCU 



scx_bpf_dsq_move_set_slice() and scx_bpf_dsq_move_set_vtime() take a DSQ
iterator argument which has to be valid. Mark them with KF_RCU.

Fixes: 4c30f5ce ("sched_ext: Implement scx_bpf_dispatch[_vtime]_from_dsq()")
Cc: stable@vger.kernel.org # v6.12+
Acked-by: default avatarAndrea Righi <arighi@nvidia.com>
Signed-off-by: default avatarTejun Heo <tj@kernel.org>
parent 3a866087

kernel/sched/ext.c

+4 −4
Original line number Diff line number Diff line
@@ -5688,8 +5688,8 @@ BTF_KFUNCS_START(scx_kfunc_ids_dispatch) 
BTF_ID_FLAGS(func, scx_bpf_dispatch_nr_slots)

BTF_ID_FLAGS(func, scx_bpf_dispatch_cancel)

BTF_ID_FLAGS(func, scx_bpf_dsq_move_to_local)

BTF_ID_FLAGS(func, scx_bpf_dsq_move_set_slice)

BTF_ID_FLAGS(func, scx_bpf_dsq_move_set_vtime)

BTF_ID_FLAGS(func, scx_bpf_dsq_move_set_slice, KF_RCU)

BTF_ID_FLAGS(func, scx_bpf_dsq_move_set_vtime, KF_RCU)

BTF_ID_FLAGS(func, scx_bpf_dsq_move, KF_RCU)

BTF_ID_FLAGS(func, scx_bpf_dsq_move_vtime, KF_RCU)

BTF_KFUNCS_END(scx_kfunc_ids_dispatch)
@@ -5820,8 +5820,8 @@ __bpf_kfunc_end_defs(); 


BTF_KFUNCS_START(scx_kfunc_ids_unlocked)

BTF_ID_FLAGS(func, scx_bpf_create_dsq, KF_SLEEPABLE)

BTF_ID_FLAGS(func, scx_bpf_dsq_move_set_slice)

BTF_ID_FLAGS(func, scx_bpf_dsq_move_set_vtime)

BTF_ID_FLAGS(func, scx_bpf_dsq_move_set_slice, KF_RCU)

BTF_ID_FLAGS(func, scx_bpf_dsq_move_set_vtime, KF_RCU)

BTF_ID_FLAGS(func, scx_bpf_dsq_move, KF_RCU)

BTF_ID_FLAGS(func, scx_bpf_dsq_move_vtime, KF_RCU)

BTF_KFUNCS_END(scx_kfunc_ids_unlocked)