linux-kernel - Re: [PATCH 5/5] x86, mpx: extend siginfo structure to include bound violation information

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Message-ID: <52D2C791.2030802@zytor.com>
Date:	Sun, 12 Jan 2014 08:49:21 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Borislav Petkov <bp@...en8.de>, Qiaowei Ren <qiaowei.ren@...el.com>
CC:	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>, x86@...nel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 5/5] x86, mpx: extend siginfo structure to include bound
 violation information

> 
> This thing looks like a partial duplication of functionality which we
> already have - inat.*/insn.*, etc.
> 
> It would be cleaner to integrate the mpx pieces into the existing x86
> insn analysis code and use it instead of growing your own, IMHO.
> 

I saw a previous version of the code that did that, and it really didn't
work out well -- it ended up being more complex and slower.

	-hpa

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