[PATCH net-next 4/8] gve: remove memory barrier around seqno
flat view
STALE1757d
From: Jeroen de Borst <hidden>
Date: 2021-12-16 00:47:17
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
From: Catherine Sullivan <redacted> No longer needed after we introduced the barrier in gve_napi_poll. Signed-off-by: Catherine Sullivan <redacted> --- drivers/net/ethernet/google/gve/gve_rx.c | 2 -- 1 file changed, 2 deletions(-)
diff --git a/drivers/net/ethernet/google/gve/gve_rx.c b/drivers/net/ethernet/google/gve/gve_rx.c
index 3d04b5aff331..9ddcc497f48e 100644
--- a/drivers/net/ethernet/google/gve/gve_rx.c
+++ b/drivers/net/ethernet/google/gve/gve_rx.c@@ -639,8 +639,6 @@ bool gve_rx_work_pending(struct gve_rx_ring *rx) desc = rx->desc.desc_ring + next_idx; flags_seq = desc->flags_seq; - /* Make sure we have synchronized the seq no with the device */ - smp_rmb(); return (GVE_SEQNO(flags_seq) == rx->desc.seqno); }
--
2.34.1.173.g76aa8bc2d0-goog