Re: [PATCH net-next] sfc: get rid of custom busy polling code

2017-02-03 Thread David Miller
From: Eric Dumazet Date: Thu, 02 Feb 2017 17:13:19 -0800 > From: Eric Dumazet > > 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 operat

Re: [PATCH net-next] sfc: get rid of custom busy polling code

2017-02-03 Thread Eric Dumazet
On Fri, 2017-02-03 at 09:14 +, Bert Kenward wrote: > On 03/02/17 01:13, Eric Dumazet wrote: > > From: Eric Dumazet > > > > 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

Re: [PATCH net-next] sfc: get rid of custom busy polling code

2017-02-03 Thread Bert Kenward
On 03/02/17 01:13, Eric Dumazet wrote: > From: Eric Dumazet > > 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. >