From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: Stephen Hemminger <stephen@networkplumber.org>
Cc: "Michael S. Tsirkin" <mst@redhat.com>,
netdev@vger.kernel.org,
virtualization@lists.linux-foundation.org, tglx@linutronix.de,
"David S. Miller" <davem@davemloft.net>
Subject: Re: [RFC] virtio_net: add local_bh_disable() around u64_stats_update_begin
Date: Tue, 16 Oct 2018 20:21:48 +0200 [thread overview]
Message-ID: <20181016182148.xjitjrh2g3kzapqt@linutronix.de> (raw)
In-Reply-To: <20181016105930.55e8fe5d@xeon-e3>
On 2018-10-16 10:59:30 [-0700], Stephen Hemminger wrote:
> Since there already is u64_stats_update_begin_irqsave inline, why not introduce
> u64_stats_update_begin_bh which encapsulates the local_bh_disable
CPU0 CPU1
refill_work() virtnet_receive()
try_fill_recv() try_fill_recv()
u64_stats_update_begin_bh() u64_stats_update_begin_bh()
both CPUs may operate on the `rq'.
Sebastian
next prev parent reply other threads:[~2018-10-16 18:21 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-16 16:55 [RFC] virtio_net: add local_bh_disable() around u64_stats_update_begin Sebastian Andrzej Siewior
2018-10-16 17:59 ` Stephen Hemminger
2018-10-16 18:21 ` Sebastian Andrzej Siewior [this message]
2018-10-16 17:59 ` Stephen Hemminger
2018-10-16 18:01 ` Stephen Hemminger
2018-10-16 18:01 ` Stephen Hemminger
2018-10-16 18:42 ` Sebastian Andrzej Siewior
2018-10-16 18:44 ` Stephen Hemminger
2018-10-18 8:43 ` [PATCH] " Sebastian Andrzej Siewior
2018-10-18 8:43 ` Sebastian Andrzej Siewior
2018-10-18 9:06 ` Toshiaki Makita
2018-10-18 9:11 ` Sebastian Andrzej Siewior
2018-10-18 9:26 ` Toshiaki Makita
2018-10-18 9:11 ` Sebastian Andrzej Siewior
2018-10-18 23:23 ` David Miller
2018-10-19 2:19 ` Jason Wang
2018-10-19 2:19 ` Jason Wang
2018-10-16 18:44 ` [RFC] " Stephen Hemminger
2018-10-16 18:42 ` Sebastian Andrzej Siewior
2018-10-17 1:13 ` Toshiaki Makita
2018-10-17 1:13 ` Toshiaki Makita
2018-10-17 6:48 ` Jason Wang
2018-10-17 6:48 ` Jason Wang
2018-10-18 8:47 ` Sebastian Andrzej Siewior
2018-10-18 8:47 ` Sebastian Andrzej Siewior
2018-10-18 9:00 ` Toshiaki Makita
2018-10-18 9:08 ` Sebastian Andrzej Siewior
2018-10-18 9:19 ` Toshiaki Makita
2018-10-18 9:30 ` Sebastian Andrzej Siewior
2018-10-18 9:53 ` Toshiaki Makita
2018-10-18 9:30 ` Sebastian Andrzej Siewior
2018-10-18 13:21 ` Rafael David Tinoco
2018-10-18 9:08 ` Sebastian Andrzej Siewior
2018-10-19 2:17 ` Jason Wang
2018-10-19 2:17 ` Jason Wang
2018-10-16 16:55 Sebastian Andrzej Siewior
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