On Wed, May 2, 2018 at 6:39 PM, Kashyap Desai <kashyap.desai@xxxxxxxxxxxx> wrote: >> > I have created internal code changes based on below RFC and using irq >> > poll CPU lockup issue is resolved. >> > https://www.spinics.net/lists/linux-scsi/msg116668.html >> >> Could we use the 1:1 mapping and not apply out-of-tree irq poll in the >> following test? So that we can keep at same page easily. > > Above RFC changes are not used in my testing. I used same inbox driver > from 4.17-rc. Sorry for being late since I have to handle other things recently. Please test the following host_tagset patches which is against recent linus tree(v4.17-rc4+) https://github.com/ming1/linux/commits/v4.16-rc-host-tags-v5 And please post the perf trace without and with this patchset if possible. Thanks, Ming Lei