linux-kernel - Re: [PATCH] Driver core: Reduce the level of request

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Date:	Sun, 28 Feb 2010 22:03:05 +0530
From:	Jaswinder Singh Rajput <jaswinder@...nel.org>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Greg KH <gregkh@...e.de>, LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	David Woodhouse <dwmw2@...radead.org>
Subject: Re: [PATCH] Driver core: Reduce the level of request_firmware()
 messages

Hello Rafael,

On Sun, 2010-02-28 at 13:13 +0100, Rafael J. Wysocki wrote:
> On Sunday 28 February 2010, Jaswinder Singh Rajput wrote:
> > On Sun, Feb 28, 2010 at 2:13 AM, Rafael J. Wysocki <rjw@...k.pl> wrote:
> > > From: Rafael J. Wysocki <rjw@...k.pl>
> > >
> > > The messages from _request_firmware() informing that firmware is
> > > being requested or built-in firmware is going to be used are printed
> > > at KERN_INFO, which produces lots of noise on systems with huge
> > > numbers of AMD CPUs.  Reduce the level of these messages to
> > > KERN_DEBUG to get rid of that noise.
> > >
> > 
> > Which firmware we are using is very useful information. Because of
> > huge numbers of CPUs it seems noise then better provide the
> > information for first cpu and for the rest of the CPUs you can show by
> > KERN_DEBUG.
> 
> That would have been better indeed, but the problem is _request_firmware()
> doesn't allow us to change the level of its messages on demand.

Can we try this :

	if (smp_processor_id())
		dev_dbg(..);
	else
		dev_info(..);

Thanks,
--
Jaswinder Singh.

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