linux-kernel - Re: [PATCH 13/26] cxl/mem: Configure dynamic capacity interrupts

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Date: Tue, 9 Apr 2024 21:48:45 -0700
From: Ira Weiny <ira.weiny@...el.com>
To: fan <nifan.cxl@...il.com>, <ira.weiny@...el.com>
CC: Dave Jiang <dave.jiang@...el.com>, Fan Ni <fan.ni@...sung.com>, "Jonathan
 Cameron" <Jonathan.Cameron@...wei.com>, Navneet Singh
	<navneet.singh@...el.com>, Dan Williams <dan.j.williams@...el.com>,
	"Davidlohr Bueso" <dave@...olabs.net>, Alison Schofield
	<alison.schofield@...el.com>, Vishal Verma <vishal.l.verma@...el.com>,
	<linux-btrfs@...r.kernel.org>, <linux-cxl@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 13/26] cxl/mem: Configure dynamic capacity interrupts

fan wrote:
> On Sun, Mar 24, 2024 at 04:18:16PM -0700, ira.weiny@...el.com wrote:
> > From: Navneet Singh <navneet.singh@...el.com>

[snip]

> > @@ -786,12 +830,15 @@ static int cxl_event_config(struct pci_host_bridge *host_bridge,
> >  	if (rc)
> >  		return rc;
> >  
> > -	rc = cxl_event_irqsetup(mds, &policy);
> > +	rc = cxl_irqsetup(mds, &policy, native_cxl);
> >  	if (rc)
> >  		return rc;
> >  
> >  	cxl_mem_get_event_records(mds, CXLDEV_EVENT_STATUS_ALL);
> >  
> > +	dev_dbg(mds->cxlds.dev, "Event config : %d %d\n",
> > +		native_cxl, cxl_dcd_supported(mds));
> 
> The message will print out two numbers, seems not very clear. Should we
> translate to more straightforward message, like
> native_cxl? "OS...":""
> cxl_dcd_supported(msd)? "DCD supported": "DCD not supported"?

Perhaps but it is just a debug message to know if something is wonky with a BIOS configuration.

So I'm inclined to leave it alone.
Ira