[PATCH v2 2/4] ice: use bitmap_weighted_xor() in ice_find_free_recp_res_idx()
From: Yury Norov <hidden>
Date: 2026-03-02 01:12:10
Also in:
dri-devel, intel-wired-lan, intel-xe, lkml
Subsystem:
intel ethernet drivers, networking drivers, the rest · Maintainers:
Tony Nguyen, Przemek Kitszel, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Use the right helper and save one bitmaps traverse. Signed-off-by: Yury Norov <redacted> --- drivers/net/ethernet/intel/ice/ice_switch.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/net/ethernet/intel/ice/ice_switch.c b/drivers/net/ethernet/intel/ice/ice_switch.c
index bb0f990fa2c6..6a5875bd9c6b 100644
--- a/drivers/net/ethernet/intel/ice/ice_switch.c
+++ b/drivers/net/ethernet/intel/ice/ice_switch.c@@ -4984,10 +4984,8 @@ ice_find_free_recp_res_idx(struct ice_hw *hw, const unsigned long *profiles, hw->switch_info->recp_list[bit].res_idxs, ICE_MAX_FV_WORDS); - bitmap_xor(free_idx, used_idx, possible_idx, ICE_MAX_FV_WORDS); - /* return number of free indexes */ - return (u16)bitmap_weight(free_idx, ICE_MAX_FV_WORDS); + return (u16)bitmap_weighted_xor(free_idx, used_idx, possible_idx, ICE_MAX_FV_WORDS); } /**
--
2.43.0