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From: Davidlohr Bueso <dave@stgolabs.net>
To: Hou Tao <houtao1@huawei.com>
Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
	viro@zeniv.linux.org.uk, jbaron@akamai.com, oleg@redhat.com,
	koct9i@gmail.com
Subject: Re: [RFC][PATCH 0/8] epoll: remove epmutex from ep_free() and eventpoll_release_file() for non-nested case
Date: Tue, 31 Oct 2017 06:01:38 -0700	[thread overview]
Message-ID: <20171031130138.4dqv3qsxa76tv4nn@linux-n805> (raw)
In-Reply-To: <1509195507-29037-1-git-send-email-houtao1@huawei.com>

On Sat, 28 Oct 2017, Hou Tao wrote:

>The patch set has passed the epoll related test cases in LTP, and we are
>planing to run some torture or performance test cases for nested-epoll
>cases.

fyi this series survived running a 2 level nested epoll_wait() benchmark
on a 40-core box, with 80 concurrent threads:

http://linux-scalability.org/epoll/epoll-test.c

Thanks,
Davidlohr

      parent reply	other threads:[~2017-10-31 13:02 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-28 12:58 [RFC][PATCH 0/8] epoll: remove epmutex from ep_free() and eventpoll_release_file() for non-nested case Hou Tao
2017-10-28 12:58 ` [RFC][PATCH 1/8] epoll: remove epmutex from ep_free() & eventpoll_release_file() Hou Tao
2017-10-28 13:58   ` Davidlohr Bueso
2017-10-30  7:09     ` Hou Tao
2017-10-28 12:58 ` [RFC][PATCH 2/8] epoll: remove ep from visited_list when freeing ep Hou Tao
2017-10-28 12:58 ` [RFC][PATCH 3/8] epoll: remove file from tfile_check_list when releasing file Hou Tao
2017-10-28 12:58 ` [RFC][PATCH 4/8] epoll: free eventpoll by rcu to provide existence guarantee Hou Tao
2017-10-28 12:58 ` [RFC][PATCH 5/8] epoll: iterate epi in file->f_ep_links by using list_first_or_null_rcu Hou Tao
2017-10-28 12:58 ` [RFC][PATCH 6/8] epoll: ensure the validity of ep when removing epi in eventpoll_release_file() Hou Tao
2017-10-28 12:58 ` [RFC][PATCH 7/8] epoll: prevent the double-free of " Hou Tao
2017-10-28 12:58 ` [RFC][PATCH 8/8] epoll: protect the iteration of ep->rbr by ep->mtx in ep_free() Hou Tao
2017-10-31 13:01 ` Davidlohr Bueso [this message]

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