[PATCH 14/19] gve: remove memory barrier around seqno
Khalid Elmously
khalid.elmously at canonical.com
Tue Oct 11 05:56:59 UTC 2022
From: Catherine Sullivan <csully at google.com>
BugLink: https://bugs.launchpad.net/bugs/1953575
No longer needed after we introduced the barrier in gve_napi_poll.
Signed-off-by: Catherine Sullivan <csully at google.com>
Signed-off-by: David S. Miller <davem at davemloft.net>
(cherry picked from commit 5fd07df47a7fe7962d628bb117abbadbbb15de94)
Signed-off-by: Khalid Elmously <khalid.elmously at canonical.com>
---
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 b6b3e5c4bbaf..17bc966cfb8a 100644
--- a/drivers/net/ethernet/google/gve/gve_rx.c
+++ b/drivers/net/ethernet/google/gve/gve_rx.c
@@ -486,8 +486,6 @@ 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
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