linux-kernel - Re: dwarf2 stuck Re: lockdep warning in i2c_transfer() with dibx000 DVB

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Message-Id: <4533B249.76E4.0078.0@novell.com>
Date:	Mon, 16 Oct 2006 16:24:41 +0200
From:	"Jan Beulich" <jbeulich@...ell.com>
To:	"Andi Kleen" <ak@...e.de>
Cc:	"Jiri Kosina" <jikos@...os.cz>, <linux-kernel@...r.kernel.org>
Subject: Re: dwarf2 stuck Re: lockdep warning in i2c_transfer() with
	dibx000 DVB - input tree merge plans?

>> Yes, unfortunately this is another instance of gcc 4.0 generating bad
>> unwind data when optimizing and not accumulating outgoing args.
>> Andi - did you already create a patch implementing Michael's suggestion?
>
>You mean using -maccumulate-outgoing-args ? Not yet.
>
>I guess we can do it unconditionally for all gccs on both i386
>and x86-64, right?

Yes, I concluded this from Michael's description; what I don't know is
whether the option isn't available on very old gcc-s.

Jan
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