Rework usage of the control PF pointer in struct ice_adapter, so that it is always has a consistent state, since it is global for an adapter. Utilize RCU for reading the pointer value and atomic operations for changing it. Zero out the ctrl_pf pointer when the control PF is removed.
Previous version: https://lists.osuosl.org/pipermail/intel-wired-lan/Week-of-Mon-20260511/055077.html v1->v2: Rebase onto the latest dev-queue branch v2->v3: Cosmetic fixes Sergey Temerkhanov (3): ice: Convert ctrl_pf pointer in struct ice_adapter to RCU ice: Zero out the PTP control PF pointer at ice_adapter cleanup ice: Cache struct ice_hw pointer for split register reads drivers/net/ethernet/intel/ice/ice.h | 10 +- drivers/net/ethernet/intel/ice/ice_adapter.h | 2 +- drivers/net/ethernet/intel/ice/ice_ptp.c | 116 +++++++++++++------ drivers/net/ethernet/intel/ice/ice_ptp_hw.c | 26 ++++- 4 files changed, 114 insertions(+), 40 deletions(-) base-commit: 03d0beff9856a569d0da91ea0ccdc28045c2b2d0 -- 2.53.0
