linux-kernel - Re: Ok, lets kill the 'PCI hidden behind bridge' message (was: pci=assign-busses)

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20070730201411.GA822@suse.de>
Date:	Mon, 30 Jul 2007 13:14:11 -0700
From:	Greg KH <gregkh@...e.de>
To:	Adrian Bunk <bunk@...sta.de>
Cc:	Bernhard Kaindl <bk@...e.de>, linux-pci@...ey.karlin.mff.cuni.cz,
	Alois Ne??por <alois.nespor@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: Ok, lets kill the 'PCI hidden behind bridge' message (was:
	pci=assign-busses)

On Mon, Jul 30, 2007 at 10:11:43PM +0200, Adrian Bunk wrote:
> On Mon, Jul 30, 2007 at 08:35:13PM +0200, Bernhard Kaindl wrote:
> >...
> > --- linux-2.6.22/drivers/pci/probe.c
> > +++ linux-2.6.22/drivers/pci/probe.c
> > @@ -643,23 +643,24 @@ int pci_scan_bridge(struct pci_bus *bus,
> >
> >  	sprintf(child->name, (is_cardbus ? "PCI CardBus #%02x" : "PCI Bus 
> > #%02x"), child->number);
> >
> > +#ifdef DEBUG /* Has only triggered on CardBus, fixup is in yenta_socket */
> >  	while (bus->parent) {
> >  		if ((child->subordinate > bus->subordinate) ||
> >  		    (child->number > bus->subordinate) ||
> >  		    (child->number < bus->number) ||
> >  		    (child->subordinate < bus->number)) {
> > -			printk(KERN_WARNING "PCI: Bus #%02x (-#%02x) is "
> > -			       "hidden behind%s bridge #%02x (-#%02x)%s\n",
> > +		      pr_debug("PCI: Bus #%02x (-#%02x) is %s"
> > +			       "hidden behind%s bridge #%02x (-#%02x)\n",
> >  			       child->number, child->subordinate,
> > +			       (bus->number > child->subordinate &&
> > +			        bus->subordinate < child->number) ?
> > +					"wholly " : " partially",
> >  			       bus->self->transparent ? " transparent" : " ",
> > -			       bus->number, bus->subordinate,
> > -			       pcibios_assign_all_busses() ? " " :
> > -			       " (try 'pci=assign-busses')");
> > -			printk(KERN_WARNING "Please report the result to "
> > -			       "linux-kernel to fix this permanently\n");
> > +			       bus->number, bus->subordinate);
> >  		}
> >  		bus = bus->parent;
> >  	}
> > +#endif
> >
> >  out:
> >  	pci_write_config_word(dev, PCI_BRIDGE_CONTROL, bctl);
> 
> "#ifdef DEBUG" plus pr_debug() is twoce the same.
> 
> You don't need the #ifdef.

I took it out in the version I applied, and cleaned up the whitespace a
little bit too :)

thanks,

greg k-h
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/