From: Hillf Danton <hdanton@sina.com>
To: Joe Damato <jdamato@fastly.com>
Cc: netdev@vger.kernel.org, edumazet@google.com, willy@infradead.org,
Alexander Viro <viro@zeniv.linux.org.uk>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH net-next v4 5/7] eventpoll: Control irq suspension for prefer_busy_poll
Date: Sun, 3 Nov 2024 07:39:25 +0800 [thread overview]
Message-ID: <20241102233925.2948-1-hdanton@sina.com> (raw)
In-Reply-To: <20241102005214.32443-6-jdamato@fastly.com>
On Sat, 2 Nov 2024 00:52:01 +0000 Martin Karsten <mkarsten@uwaterloo.ca>
>
> @@ -2005,8 +2032,10 @@ static int ep_poll(struct eventpoll *ep, struct epoll_event __user *events,
> * trying again in search of more luck.
> */
> res = ep_send_events(ep, events, maxevents);
> - if (res)
> + if (res) {
> + ep_suspend_napi_irqs(ep);
Leave napi irq intact in case of -EINTR.
> return res;
> + }
> }
>
> if (timed_out)
> --
> 2.25.1
next prev parent reply other threads:[~2024-11-02 23:39 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-11-02 0:51 [PATCH net-next v4 0/7] Suspend IRQs during application busy periods Joe Damato
2024-11-02 0:51 ` [PATCH net-next v4 1/7] net: Add napi_struct parameter irq_suspend_timeout Joe Damato
2024-11-02 23:30 ` Samudrala, Sridhar
2024-11-02 0:51 ` [PATCH net-next v4 2/7] net: Suspend softirq when prefer_busy_poll is set Joe Damato
2024-11-02 23:32 ` Samudrala, Sridhar
2024-11-02 0:51 ` [PATCH net-next v4 3/7] net: Add control functions for irq suspension Joe Damato
2024-11-02 23:33 ` Samudrala, Sridhar
2024-11-02 0:52 ` [PATCH net-next v4 4/7] eventpoll: Trigger napi_busy_loop, if prefer_busy_poll is set Joe Damato
2024-11-02 23:33 ` Samudrala, Sridhar
2024-11-02 0:52 ` [PATCH net-next v4 5/7] eventpoll: Control irq suspension for prefer_busy_poll Joe Damato
2024-11-02 23:35 ` Samudrala, Sridhar
2024-11-02 23:39 ` Hillf Danton [this message]
2024-11-03 4:10 ` Joe Damato
2024-11-02 0:52 ` [PATCH net-next v4 6/7] selftests: net: Add busy_poll_test Joe Damato
2024-11-02 0:52 ` [PATCH net-next v4 7/7] docs: networking: Describe irq suspension Joe Damato
2024-11-02 23:41 ` Samudrala, Sridhar
2024-11-02 23:51 ` [PATCH net-next v4 0/7] Suspend IRQs during application busy periods Hillf Danton
2024-11-03 1:50 ` Joe Damato
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