Re: [PATCH 1/3] Introduce FW_INFO* functions and messages

[Matt Fleming]

On Thu, 05 Dec, at 07:55:03AM, Joe Perches wrote:
> On Thu, 2013-12-05 at 11:30 +0000, Matt Fleming wrote:
> > On Wed, 04 Dec, at 07:22:57PM, Arnd Bergmann wrote:
> > > The other part I noticed about this particular patchset is that it's
> > > not really "firmware" as such, but specifically PC wiht ACPI that
> > > gets covered here. So rather than generalizing the code, another
> > > option would be to narrow down the scope and make it
> > > acpi_{warn,info,dbg} instead.
> > 
> > Making this specific to ACPI runs the risk of people introducing a
> > multitude of new logging functions for every subsystem, e.g.
> > efi_{warn,info,dbg}.
> 
> There are many subsystem specific logging functions:

Surely that's further justification to not introduce any more.

> > FWIW, I'd be interested in using something like this patch series to
> > properly log EFI implementation bugs. The logging for EFI is currently
> > done fairly haphazardly.
> 
> I thought that was the point of embedding the existing
> FW_INFO, FW_WARN and FW_BUG #defines in formats.
> 
> Using logging message scraping to find faults is not
> a great approach as message content is subject to change.

I wasn't planning on using them to scrape the kernel logs, just for more
informative messages.

-- 
Matt Fleming, Intel Open Source Technology Center
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