linux-kernel - Re: X32 psABI status

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Message-ID: <4D588AEC.1040000@zytor.com>
Date:	Sun, 13 Feb 2011 17:52:44 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
CC:	x32-abi@...glegroups.com, "H.J. Lu" <hjl.tools@...il.com>,
	Arnd Bergmann <arnd@...db.de>,
	GCC Development <gcc@....gnu.org>,
	GNU C Library <libc-alpha@...rceware.org>,
	LKML <linux-kernel@...r.kernel.org>,
	"H. Peter Anvin" <hpa@...ux.intel.com>
Subject: Re: X32 psABI status

On 02/13/2011 01:33 PM, Alan Cox wrote:
>
> Who actually needs this new extra API - whats the justification for
> everyone having more crud dumping their kernels, more syscall paths
> (which are one of the most security critical areas) and the like.
>
> What are the benchmark numbers to justify this versus just using the
> existing kernel interfaces ?
>

That's what the prototype is meant to show.

	-hpa
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