Re: [PATCH 2/2] scsi: ufs: Protect PM ops and err_handler from user access through sysfs

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On Tue, 2021-01-12 at 08:45 +0800, Can Guo wrote:
> > > > > to
> > > > > talk to UFS, OCP can happen on VCCQ/VCCQ2. This leads to
> > > > > system
> > > > > CRASH
> > > > > too.
> > > > 
> > > > the same as above, share the crash log.
> > > > 
> > > 
> > > If you have hand-on experiences on NoC and/or OCP issues, you
> > > won't
> > > ask
> > > for the crash log. The tricky parts about critial NoC and OCP
> > > issues
> > > is
> > 
> > OK, interesting. would you tell me which register access node in
> > ufs-
> > sysfs.c can trigger this crash? let me verify your statement.
> > 
> > 
> 
> I believe I have explained enough to prove we need this change.
> 
> If you are really interested in NoC and OCP, feel free to ping me
> on teams, I will show you how to trigger one and what is it like
> on my setup.
> 
> Can Guo.

Ok, I no meant to stop or slow down your patch merging,
meant to avoid redundant instruction cycles.

Avri and Stanley have been convinced. let it go at that and merge.

Thanks,
Bean




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