linux-kernel - Re: [PATCH] x86: use compat version for preadv2 and pwritev2

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Message-ID: <alpine.DEB.2.11.1605111300310.3540@nanos>
Date:	Wed, 11 May 2016 13:01:12 +0200 (CEST)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	"Dmitry V. Levin" <ldv@...linux.org>
cc:	Ingo Molnar <mingo@...hat.com>, "H. Peter Anvin" <hpa@...or.com>,
	x86@...nel.org, Christoph Hellwig <hch@....de>,
	LKML <linux-kernel@...r.kernel.org>,
	Milosz Tanski <milosz@...in.com>,
	Al Viro <viro@...iv.linux.org.uk>
Subject: Re: [PATCH] x86: use compat version for preadv2 and pwritev2

On Wed, 11 May 2016, Dmitry V. Levin wrote:
> On Wed, May 11, 2016 at 12:14:11PM +0200, Thomas Gleixner wrote:
> > On Wed, 11 May 2016, Dmitry V. Levin wrote:
> > > Similar to preadv and pwritev, preadv2 and pwritev2 need compat entries
> > > in the 32-bit syscall table.
> > 
> > So this is 2016 and we added a syscalls which require compat support. What's
> > wrong here?
> 
> I'm not sure I understand your question, it looks to me as "why do we add
> syscalls that require compat support".  If that's what you are asking,

Yes, that question was directed at the people who added this in the first
place.

> I have no idea, I'm a strace man.

I know, you are just the messenger :)

Thanks,

	tglx