linux-kernel - Re: oprofile + hibernation = badness

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Date:	Tue, 19 Aug 2008 15:18:25 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Johannes Weiner <hannes@...urebad.de>
Cc:	Vegard Nossum <vegard.nossum@...il.com>,
	Pavel Machek <pavel@...e.cz>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	Robert Richter <robert.richter@....com>,
	Philippe Elie <phil.el@...adoo.fr>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: oprofile + hibernation = badness

Johannes Weiner <hannes@...urebad.de> writes:
>
> You probably misconfigured emacs then.  I ran checkpatch over your patch
> and don't see how and why emacs would add trailing whitespace after a
> opening brace.

I don't know how, but it does. vim does too sometimes (I use both
editors) 

>
> You can use this to be on the safe side:
>
> (add-hook 'before-save-hook 'delete-trailing-whitespace)

That drops it on all. This means when I edit something which already
has trailing spaces then the diff is full of noise. That would
be a cure far worse than the disease[1]

Ideal would be if git-commit dropped them on all new lines, similar to 
git-apply --whitespace=fix and quilt refresh, but it doesn't seem to know how.

But normally maintainers just set these options (at least I do and Andrew
does too) so it doesn't really matter if the submitted patch has trailing 
spaces or not because they disappear on the way up. 

And that said I refuse to write any more on this silly bike shed topic.

-Andi

[1] to be honest I'm not sure i are actually a disease since I don't
know of any single problem they cause.
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