linux-kernel - Re: RFD: x32 ABI system call numbers

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Message-ID: <4E61BB42.4090301@zytor.com>
Date:	Fri, 02 Sep 2011 22:29:38 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	"H.J. Lu" <hjl.tools@...il.com>
CC:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Arnd Bergmann <arnd@...db.de>,
	Christoph Hellwig <hch@...radead.org>,
	LKML <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>,
	Richard Kuo <rkuo@...eaurora.org>,
	Mark Salter <msalter@...hat.com>,
	Jonas Bonn <jonas@...thpole.se>,
	Tobias Klauser <tklauser@...tanz.ch>
Subject: Re: RFD: x32 ABI system call numbers

On 09/02/2011 09:44 PM, H.J. Lu wrote:
> 
> Is there a way to support something similar to  __SNATIVE_LONG_TYPE
> and  __UNATIVE_LONG_TYPE for kernel header files.
> 

Again, what is the definition you're looking for?  We have __u64 and
__s64, but the question is what alignment those types should be using,
given that we're presumably stuck with using compat_ioctl for ioctl...

	-hpa


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