[PATCH] NVMe: init nvme queue before enabling irq

[Johannes Thumshirn]

On Wed, Jan 20, 2016 at 11:56:01AM +0200, Sagi Grimberg wrote:
> 
> >>If it can cause a kernel panic shouldn't it go through stable then as well?
> >
> >Sorry, not quite understand this comment.
> >The "reset process" is the nvme device reset process (performed by nvme_reset_work()) triggered by device fail condition.
> >During normal boot up, nvmeq door bell is initialized in nvme_alloc_queue() which happens before enabling irq, so there is no error.
> >During nvme device reset process, nvme_alloc_queue() is skipped and the race condition exists.
> 
> I think what Johannes meant was that this patch should include a
> "CC: stable at vger.kernel.org" tag.
> 

Exactly. This makes work for us distribution people a lot easier (i.e. we do
not have to manually scan all commits and decide if we need to backport a
patch or not)

Thanks

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Johannes Thumshirn                                          Storage
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