[PATCH] ice: Optimize a few bitmap operations
flat view
STALE1737d
From: Christophe JAILLET <hidden>
Date: 2021-12-23 09:03:46
Also in:
intel-wired-lan, kernel-janitors, 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
When a bitmap is local to a function, it is safe to use the non-atomic __[set|clear]_bit(). No concurrent accesses can occur. Signed-off-by: Christophe JAILLET <redacted> --- drivers/net/ethernet/intel/ice/ice_flex_pipe.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/net/ethernet/intel/ice/ice_flex_pipe.c b/drivers/net/ethernet/intel/ice/ice_flex_pipe.c
index d29197ab3d02..4deb2c9446ec 100644
--- a/drivers/net/ethernet/intel/ice/ice_flex_pipe.c
+++ b/drivers/net/ethernet/intel/ice/ice_flex_pipe.c@@ -4440,7 +4440,7 @@ ice_update_fd_swap(struct ice_hw *hw, u16 prof_id, struct ice_fv_word *es) for (j = 0; j < ICE_FD_SRC_DST_PAIR_COUNT; j++) if (es[i].prot_id == ice_fd_pairs[j].prot_id && es[i].off == ice_fd_pairs[j].off) { - set_bit(j, pair_list); + __set_bit(j, pair_list); pair_start[j] = i; } }
@@ -4710,7 +4710,7 @@ ice_add_prof(struct ice_hw *hw, enum ice_block blk, u64 id, u8 ptypes[], if (test_bit(ptg, ptgs_used)) continue; - set_bit(ptg, ptgs_used); + __set_bit(ptg, ptgs_used); /* Check to see there are any attributes for * this PTYPE, and add them if found. */
@@ -5339,7 +5339,7 @@ ice_adj_prof_priorities(struct ice_hw *hw, enum ice_block blk, u16 vsig, } /* keep track of used ptgs */ - set_bit(t->tcam[i].ptg, ptgs_used); + __set_bit(t->tcam[i].ptg, ptgs_used); } }
--
2.32.0