linux-kernel - Re: [PATCHv2] PCI: add missing KERN

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Date:	Fri, 6 Feb 2009 11:23:18 +0100 (CET)
From:	Geert Uytterhoeven <Geert.Uytterhoeven@...ycom.com>
To:	Taku Izumi <izumi.taku@...fujitsu.com>
cc:	Frank Seidel <fseidel@...e.de>,
	linux kernel <linux-kernel@...r.kernel.org>,
	linux-pci@...r.kernel.org, jbarnes@...tuousgeek.org,
	greg@...ah.com, kristen.c.accardi@...el.com, ashok.raj@...el.com,
	shaohua.li@...el.com, anil.s.keshavamurthy@...el.com,
	fenghua.yu@...el.com, akpm@...ux-foundation.org, frank@...eidel.de,
	Frans Pop <elendil@...net.nl>
Subject: Re: [PATCHv2] PCI: add missing KERN_* constants to printks

On Fri, 6 Feb 2009, Taku Izumi wrote:
> Frank Seidel wrote:
> > From: Frank Seidel <frank@...eidel.de>
> > 
> > According to kerneljanitors todo list all printk calls (beginning
> > a new line) should have an according KERN_* constant.
> > Those are the missing pieces here for the pci subsystem.
> > 
> > Signed-off-by: Frank Seidel <frank@...eidel.de>
> > ---
> >  drivers/pci/hotplug/pciehp.h |    3 ++-
> >  drivers/pci/hotplug/shpchp.h |    3 ++-
> >  drivers/pci/intel-iommu.c    |    2 +-
> >  3 files changed, 5 insertions(+), 3 deletions(-)
> > 
> > --- a/drivers/pci/intel-iommu.c
> > +++ b/drivers/pci/intel-iommu.c
> > @@ -1960,7 +1960,7 @@ static inline void iommu_prepare_isa(voi
> >  	ret = iommu_prepare_identity_map(pdev, 0, 16*1024*1024);
> >  
> >  	if (ret)
> > -		printk("IOMMU: Failed to create 0-64M identity map, "
> > +		printk(KERN_ERR "IOMMU: Failed to create 0-64M identity map, "
> >  			"floppy might not work\n");
> >  
> >  }
> > --- a/drivers/pci/hotplug/pciehp.h
> > +++ b/drivers/pci/hotplug/pciehp.h
> > @@ -48,7 +48,8 @@ extern struct workqueue_struct *pciehp_w
> >  #define dbg(format, arg...)						\
> >  	do {								\
> >  		if (pciehp_debug)					\
> > -			printk("%s: " format, MY_NAME , ## arg);	\
> > +			printk(KERN_DEBUG "%s: " format, MY_NAME ,	\
> > +			       ## arg);					\
> >  	} while (0)
> >  #define err(format, arg...)						\
> >  	printk(KERN_ERR "%s: " format, MY_NAME , ## arg)
> 
>   Why didn't you retouch the following dev_printk ?
> 
> #define ctrl_dbg(ctrl, format, arg...)                                  \
>         do {                                                            \
>                 if (pciehp_debug)                                       \
>                         dev_printk(, &ctrl->pcie->device,               \
>                                         format, ## arg);                \
>         } while (0)

That's almost the same as dev_dbg(), except for the test for pciehp_debug,
for which you can probably get an alternative using
CONFIG_DYNAMIC_PRINTK_DEBUG.

With kind regards,

Geert Uytterhoeven
Software Architect

Sony Techsoft Centre Europe
The Corporate Village · Da Vincilaan 7-D1 · B-1935 Zaventem · Belgium

Phone:    +32 (0)2 700 8453
Fax:      +32 (0)2 700 8622
E-mail:   Geert.Uytterhoeven@...ycom.com
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