linux-kernel - Re: [PATCH -v2 3/3] ACPI, APEI, report GHES error information via printk

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Date:	Tue, 30 Nov 2010 14:20:25 +0800
From:	Huang Ying <ying.huang@...el.com>
To:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Len Brown <lenb@...nel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Andi Kleen <andi@...stfloor.org>,
	"Luck, Tony" <tony.luck@...el.com>,
	"linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>
Subject: Re: [PATCH -v2 3/3] ACPI, APEI, report GHES error information via
 printk

On Tue, 2010-11-30 at 13:47 +0800, KOSAKI Motohiro wrote:
> > On Tue, 2010-11-30 at 11:07 +0800, Andrew Morton wrote:
> > > On Tue, 30 Nov 2010 10:51:41 +0800 Huang Ying <ying.huang@...el.com> wrote:
[...]
> > > > +static void ghes_print_estatus(const char *pfx, struct ghes *ghes)
> > > > +{
> > > > +	if (pfx == NULL) {
> > > > +		if (ghes_severity(ghes->estatus->error_severity) <=
> > > > +		    GHES_SEV_CORRECTED)
> > > > +			pfx = KERN_WARNING HW_ERR;
> > > > +		else
> > > > +			pfx = KERN_ERR HW_ERR;
> > > > +	}
> > > > +	if (printk_ratelimit()) {
> > > > +		printk(
> > > > +	"%s""Hardware error from APEI Generic Hardware Error Source: %d\n",
> > > > +	pfx, ghes->generic->header.source_id);
> > > > +		apei_estatus_print(pfx, ghes->estatus);
> > > 
> > > That code layout is just ghastly.  Please, if it can't be done nicely
> > > in 80-cols then simply exceed the 80 cols.
> > 
> > Just for printk, I think sometimes it may be helpful to put the "format"
> > string at a new line in source code. Because it may be helpful to check
> > whether the resulting string from printk fits 80 cols.
> 
> No. please reconsider why all other persons don't do that.
> It's beyond ugly.

I think that "why other persons don't/do do that" is not good reasoning.

Best Regards,
Huang Ying


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