linux-kernel - Re: [PATCH] introduce boot

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Message-ID: <86802c440809151034ycd6442me679792880b03320@mail.gmail.com>
Date:	Mon, 15 Sep 2008 10:34:56 -0700
From:	"Yinghai Lu" <yhlu.kernel@...il.com>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	"Ingo Molnar" <mingo@...e.hu>,
	"Thomas Gleixner" <tglx@...utronix.de>,
	"Andrew Morton" <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] introduce boot_printk()

On Mon, Sep 15, 2008 at 10:24 AM, H. Peter Anvin <hpa@...or.com> wrote:
> Yinghai Lu wrote:
>>
>> some guys complained that it is even too verbose with KERN_DEBUG
>>
>
> I can understand the desire to enable filtering on a subsystem-by-subsystem
> basis, but I think rather than doing a subsystem-specific hack we should do
> something that any subsystem can use.
>
> Perhaps we could extend the current <level> hack to include a subsystem,
> something like:
>
> <7><x86>Your blort driver seems to be befudged, trying blarfing.
>
> ... and something like "loglevel=x86:7,acpi:3,..."
>
sounds good.

every subsystem will have
x86_printk
acpi_printk
pci_printk

YH
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