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Commit 5374d602 authored by Edward Cree's avatar Edward Cree Committed by Jakub Kicinski
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sfc: use tx_queue->old_read_count in EF100 TX path 



As in the Siena/EF10 case, it minimises cacheline ping-pong between
 the TX and completion paths.

Signed-off-by: default avatarEdward Cree <ecree@solarflare.com>
Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 8cb26756
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