linux-kernel - Re: [PATCH v2] x86: fix ktermios-termio conversion

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Date:	Tue, 12 May 2009 10:21:05 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Arnd Bergmann <arnd@...db.de>, x86@...nel.org,
	linux-kernel@...r.kernel.org,
	Remis Lima Baima <remis.developer@...glemail.com>
Subject: Re: [PATCH v2] x86: fix ktermios-termio conversion

> hm, on x86 you could use get_user_try / get_user_ex() / 
> get_user_catch() approach to linearize the dependencies and reduce 
> register pressure.

It used *once*, in a path that is never executed except by some ancient
binaries. It isn't worth the effort.
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