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Date: Tue, 16 Feb 2010 09:38:10 -0800 From: "H. Peter Anvin" <hpa@...or.com> To: Oleg Nesterov <oleg@...hat.com> CC: Linus Torvalds <torvalds@...ux-foundation.org>, Andrew Morton <akpm@...ux-foundation.org>, Andi Kleen <andi@...stfloor.org>, Roland McGrath <roland@...hat.com>, linux-kernel@...r.kernel.org Subject: Re: [PATCH 2/3] x86: set_personality_ia32() abuses TS_COMPAT On 02/16/2010 09:16 AM, Oleg Nesterov wrote: > > The only reason I dislike TS_COMPAT is that I spent a lot of time > trying to understand the necessity to set it here when I tried to > understand the basics of compat issues. > Just to throw something else into here... please also keep in mind that there is value to the notion of keeping a software invariant true. In this case, even if setting TS_COMPAT doesn't do anything *right now*, it helps maintain an invariant which might avoid bugs in the future. -hpa -- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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