linux/drivers/net/ethernet/intel/ice/devlink
Ratheesh Kannoth d603517771 devlink: pass param values by pointer
union devlink_param_value grows substantially once U64 array
parameters are added to devlink (from 32 bytes to over 264 bytes).
devlink_nl_param_value_fill_one() and devlink_nl_param_value_put()
copy the union by value in several places. Passing two instances as
value arguments alone consumes over 528 bytes of stack; combined with
deeper call chains the parameter stack can approach 800 bytes and trip
CONFIG_FRAME_WARN more easily.

Switch internal helpers and exported driver APIs to pass pointers to
union devlink_param_value rather than passing the union by value.

Reviewed-by: Petr Machata <petrm@nvidia.com> # for mlxsw
Acked-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Reviewed-by: Arthur Kiyanovski <akiyano@amazon.com> #for ena
Signed-off-by: Ratheesh Kannoth <rkannoth@marvell.com>
Link: https://patch.msgid.link/20260521095303.2395584-4-rkannoth@marvell.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-05-25 14:03:06 -07:00
..
devlink.c devlink: pass param values by pointer 2026-05-25 14:03:06 -07:00
devlink.h ice: allocate devlink for subfunction 2024-09-06 11:01:24 -07:00
health.c devlink: Move graceful period parameter to reporter ops 2025-08-26 17:24:16 -07:00
health.h ice: add fw and port health reporters 2025-01-14 14:37:34 -08:00
port.c Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses 2026-02-22 08:26:33 -08:00
port.h net: Fix typos 2025-07-25 10:29:07 -07:00