linux-kernel - Re: [net-next 0/3] Per epoll context busy poll support

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Message-ID: <20240205114821.4601ea5b@kernel.org>
Date: Mon, 5 Feb 2024 11:48:21 -0800
From: Jakub Kicinski <kuba@...nel.org>
To: Joe Damato <jdamato@...tly.com>
Cc: Stanislav Fomichev <sdf@...gle.com>, sridhar.samudrala@...el.com, Eric
 Dumazet <edumazet@...gle.com>, netdev@...r.kernel.org,
 linux-kernel@...r.kernel.org, chuck.lever@...cle.com, jlayton@...nel.org,
 linux-api@...r.kernel.org, brauner@...nel.org, davem@...emloft.net,
 alexander.duyck@...il.com, Wei Wang <weiwan@...gle.com>, Amritha Nambiar
 <amritha.nambiar@...el.com>
Subject: Re: [net-next 0/3] Per epoll context busy poll support

On Mon, 5 Feb 2024 10:52:18 -0800 Joe Damato wrote:
> > Should we also add prefer_busy_poll parameter to EPIOCSPARAMS?
> > napi_busy_loop in ep_busy_loop has its prefer_busy_poll argument
> > hard-coded as false.  

Good catch! We only plumbed it thru to socket read busy poll.

> I think making this configurable is a good idea. I can add that in the v6
> in addition to fixing the incorrect commit message in patch 1/3.
> 
> What do you think, Jakub?

SGTM (with the caveat that I'm not epoll expert)