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

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Message-ID: <4E652A36.1070101@zytor.com>
Date:	Mon, 05 Sep 2011 12:59:50 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	"H.J. Lu" <hjl.tools@...il.com>
CC:	Arnd Bergmann <arnd@...db.de>, Valdis.Kletnieks@...edu,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	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 09/05/2011 12:54 PM, H.J. Lu wrote:
> 
> Since  readv/writev/preadv/pwritev have const struct iovec *iov, I
> have to copy the whole array.  compat_sys seems more efficient.
> 

compat_sys for these do exactly what we want, right?

	-hpa
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