Re: [PATCH v1 2/3] scsi: ufs: Optimize host lock on transfer requests send/compl paths

[Asutosh Das (asd)]

On 5/28/2021 12:30 AM, Avri Altman wrote:
> > > Hi Bart,
> > > No it's not necessary to serialize both the paths. I think this series
> > > attempts to remove this serialization to a certain degree, which is
> > > what's giving the performance improvement.
> Btw, Is this performance improvement is on top of rq_affinity 2 or 1?
It's on 1.

> Thanks,
> Avri
>
> > > Even if multiqueue support would be available in the future, I think
> > > this change is apt now for the current available specification.
> > I agree - this looks like the harbinger of a major change,
> > And going further with respect of hw queues,
> > will need the spec support - e.g. doorbell per lane, etc.
> >
> > Thanks,
> > Avri
> >
> > > > Thanks,
> > > >
> > > > Bart.
> > >
> > >
> > > Thanks,
> > > -asd
> > >
> > > --
> > > The Qualcomm Innovation Center, Inc. is a member of the Code Aurora
> > > Forum,
> > > Linux Foundation Collaborative Project


--
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
Linux Foundation Collaborative Project