diff mbox series

[14/19] gve: remove memory barrier around seqno

Message ID 20221011055704.642271-15-khalid.elmously@canonical.com
State New
Headers show
Series Update gve/gvnic code | expand

Commit Message

Khalid Elmously Oct. 11, 2022, 5:56 a.m. UTC 
From: Catherine Sullivan <csully@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@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
(cherry picked from commit 5fd07df47a7fe7962d628bb117abbadbbb15de94)
Signed-off-by: Khalid Elmously <khalid.elmously@canonical.com>
---
 drivers/net/ethernet/google/gve/gve_rx.c | 2 --
 1 file changed, 2 deletions(-)
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Patch

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);
 }