Re: [PATCH v3 6/6] PCI/AER: Unmask RCEC internal errors to enable RCH downstream port error handling

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On Thu, Apr 13, 2023 at 03:38:07PM +0200, Robert Richter wrote:
> On 12.04.23 16:29:01, Bjorn Helgaas wrote:
> > On Tue, Apr 11, 2023 at 01:03:02PM -0500, Terry Bowman wrote:
> > > From: Robert Richter <rrichter@xxxxxxx>
> > > 
> > > RCEC AER corrected and uncorrectable internal errors (CIE/UIE) are
> > > disabled by default.

> > > +static void cxl_unmask_internal_errors(struct pci_dev *rcec)
> 
> Also renaming this to cxl_enable_rcec() to more generalize the
> function.

I didn't follow this.  "cxl_enable_rcec" doesn't say anything about
"unmasking" or "internal errors", which seems like the whole point.
And the function doesn't actually *enable* and RCEC.

> > > +{
> > > +	if (!handles_cxl_errors(rcec))
> > > +		return;
> > > +
> > > +	if (__cxl_unmask_internal_errors(rcec))
> > > +		dev_err(&rcec->dev, "cxl: Failed to unmask internal errors");
> > > +	else
> > > +		dev_dbg(&rcec->dev, "cxl: Internal errors unmasked");
> 
> I am going to change this to a pci_info() for alignment with other
> messages around:
> 
> [   14.200265] pcieport 0000:40:00.3: PME: Signaling with IRQ 44
> [   14.213925] pcieport 0000:40:00.3: AER: cxl: Internal errors unmasked
> [   14.228413] pcieport 0000:40:00.3: AER: enabled with IRQ 44
> 
> Plus, using pci_err() instead of dev_err().

Thanks for that!

Bjorn



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