sfc: get rid of custom busy polling code

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In linux-4.5, busy polling was implemented in core
NAPI stack, meaning that all custom implementation can
be removed from drivers.

Not only we remove lot's of tricky code, we also remove
one lock operation in fast path.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Edward Cree <ecree@solarflare.com>
Cc: Bert Kenward <bkenward@solarflare.com>
Acked-by: Bert Kenward <bkenward@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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This commit is contained in:

Eric Dumazet 2017-02-02 17:13:19 -08:00 • committed by David S. Miller

parent 8fe809a992

commit e7fe949126

3 changed files with 1 additions and 169 deletions

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42

drivers/net/ethernet/sfc/efx.c

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125

drivers/net/ethernet/sfc/net_driver.h

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3

drivers/net/ethernet/sfc/rx.c

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