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From: Roland McGrath <roland@redhat.com>
To: "H. Peter Anvin" <hpa@zytor.com>
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Cc: Oleg Nesterov <oleg@redhat.com>,
       Linus Torvalds <torvalds@linux-foundation.org>,
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Subject: Re: x86: get rid of the insane TIF_ABI_PENDING bit
In-Reply-To: H. Peter Anvin's message of  Monday, 15 February 2010 12:43:46 -0800 <4B79B202.5090006@zytor.com>
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Date: Mon, 15 Feb 2010 13:05:39 -0800 (PST)
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> FWIW, the origin of this is checkin
> 4d9bc79cd28b779610d9590b3a96a28a0f64a25a (2.6.18-rc1), which somewhat
> unhelpfully states "Make sure is_compat_task works early".  It doesn't
> specify what the failure is if is_compat_task doesn't work early.  

I can't figure out what could care.  Maybe at the time something else
tested it that doesn't do so now.

> On the other hand, it sure as heck seems better to set it and not need it
> than the other way around.

Agreed.


Thanks,
Roland