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(parent: d15c9ed) | patch
sfc: don't rearm interrupts if busy polling
authorBert Kenward <bkenward@solarflare.com>
Mon, 6 Feb 2017 16:50:55 +0000 (16:50 +0000)
committerDavid S. Miller <davem@davemloft.net>
Mon, 6 Feb 2017 16:59:36 +0000 (11:59 -0500)
commitf820c0ac6cc84d4f9cb22c77d99ea510bd5c382a
treecc445d4d83b850d5a8860ca2a36bb5138d1f86a0tree | snapshot
parentd15c9ede6123dbce14c17eb9ced229e488002735commit | diff
sfc: don't rearm interrupts if busy polling

Since commit 364b6055738b ("net: busy-poll: return busypolling status
to drivers"), napi_complete_done() returns a boolean that can be used
by drivers to conditionally rearm interrupts.

Testing with a 7142 shows a small latency improvement of ~100 ns.

Signed-off-by: Bert Kenward <bkenward@solarflare.com>
Cc: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/sfc/efx.c diff | blob | history
Linux kernel for KaRo TX COM modules