Re: 4.14: WARNING: CPU: 4 PID: 2895 at block/blk-mq.c:1144 with virtio-blk (also 4.12 stable)
From: Christoph Hellwig
Date: Thu Nov 23 2017 - 09:47:34 EST
[fullquote deleted]
> What will happen for the CPU hotplug case?
> Wouldn't we route I/O to a disabled CPU with this patch?
Why would we route I/O to a disabled CPU (we generally route
I/O to devices to start with). How would including possible
but not present cpus change anything?