linux-kernel - Re: 2.6.23-rc1: BUG_ON in kmap_atomic

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Message-ID: <alpine.LFD.0.999.0707241244140.3607@woody.linux-foundation.org>
Date:	Tue, 24 Jul 2007 12:45:32 -0700 (PDT)
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Andi Kleen <andi@...stfloor.org>
cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Adrian Bunk <bunk@...sta.de>,
	Alexey Dobriyan <adobriyan@...il.com>,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: 2.6.23-rc1: BUG_ON in kmap_atomic_prot()



On Tue, 24 Jul 2007, Andi Kleen wrote:
> 
> There's probably a --param where it can be tweaked exactly. The
> problem is that --params tend to be very gcc version specific
> and might do something completely different on a newer or 
> older version. So it's better not to use them.

I agree wholeheartedly with that sentiment. We've tried at times (because 
some gcc snapshots made some *truly* insane choices for a while), and 
maybe we still have some around. Not worth the pain.

		Linus
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