On Thu, Sep 17, 2020 at 04:46:38PM +0300, Boaz Harrosh wrote: > From my totally subjective experience on the filesystem side (user of > bio_endio) all HW block drivers I used including Nvme isci, sata... etc. end > up calling bio_endio in softirq. The big exception to that is the vdX > drivers under KVM. Which is very Ironic to me. NVMe normally calls it from hardirq or IPI context. The only time it would use softirq context is if you have a single I/O queue, which is very unusual.
