linux-kernel - Re: [PATCH 3/6] pci: using printk(KERN

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Message-ID: <86802c440809170925i1eac326ciadf4a1d18b86ec10@mail.gmail.com>
Date:	Wed, 17 Sep 2008 09:25:11 -0700
From:	"Yinghai Lu" <yhlu.kernel@...il.com>
To:	"Robert Richter" <robert.richter@....com>
Cc:	"Ingo Molnar" <mingo@...e.hu>,
	"Thomas Gleixner" <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	"Andrew Morton" <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/6] pci: using printk(KERN_PCI v3

On Wed, Sep 17, 2008 at 3:11 AM, Robert Richter <robert.richter@....com> wrote:
> On 17.09.08 01:41:03, Yinghai Lu wrote:
>> On Wed, Sep 17, 2008 at 1:35 AM, Ingo Molnar <mingo@...e.hu> wrote:
>> >
>> > * Yinghai Lu <yhlu.kernel@...il.com> wrote:
>> >
>> >> -                     printk(KERN_DEBUG "PCI: %s reg %x 64bit mmio: [%llx, %llx]\n",
>> >> +                     printk(KERN_DEBUG KERN_PCI
>> >> +                              "PCI: %s reg %x 64bit mmio: [%llx, %llx]\n",
>> >
>> > i think we should aim to make the common usage of this facility as easy
>> > and short as possible. That means that i think the right line is:
>> >
>> > +                       printk(KERN_PCI
>> > +                                "PCI: %s reg %x 64bit mmio: [%llx, %llx]\n",
>> >
>> > as that is the shortest form. KERN_PCI should imply whatever
>> > common-sense default. It should still make sense to specify KERN_FOO
>> > KERN_PCI, to override that default.
>>
>> vprintk will add default before that like
>> like print(KERN_INFO KERN_PCI ....)
>
> What about a pci_dbg() macro similiar to dev_dbg()? Same could be used
> for ACPI, acpi_dbg().
>

according to different users ...

YH
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