Re: [RFC] virtio_net: add local_bh_disable() around u64_stats_update_begin
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: 2018-10-16 18:21:48
Also in:
virtualization
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