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ibmvnic: remove unnecessary rmb() inside ibmvnic_poll

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rmb() can be removed since:
1. pending_scrq() has dma_rmb() at the function end;
2. dma_rmb(), though weaker, is enough here.

Signed-off-by: Lijun Pan <ljp@linux.ibm.com>
Acked-by: Dwip Banerjee <dnbanerg@us.ibm.com>
Acked-by: Thomas Falcon <tlfalcon@linux.ibm.com>
Reviewed-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Lijun Pan 2021-01-29 19:19:05 -06:00 • committed by Jakub Kicinski
parent 665ab1eb18
commit 2719cb445d
1 changed files with 0 additions and 1 deletions
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drivers/net/ethernet/ibm/ibmvnic.c
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@ -2510,7 +2510,6 @@ restart_poll:
if (napi_complete_done(napi, frames_processed)) {
enable_scrq_irq(adapter, rx_scrq);
if (pending_scrq(adapter, rx_scrq)) {
rmb();
if (napi_reschedule(napi)) {
disable_scrq_irq(adapter, rx_scrq);
goto restart_poll;