linux-kernel - Re: [PATCH] eventfd, signalfd, timerfd, epoll

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Date:	Sun, 27 Apr 2008 16:31:26 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Ulrich Drepper <drepper@...hat.com>
CC:	Davide Libenzi <davidel@...ilserver.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [PATCH] eventfd, signalfd, timerfd, epoll_create w/flags

Ulrich Drepper wrote:
> 
> I used the number at the end for syscalls which aren't visible at
> userlevel.  There they are useful indicating the number of arguments.
> At userlevel I personally find it less than optimal but I'd have no
> problem changing it to epoll_create2.
> 

But surely these will have to be exposed to the user level somehow? 
There will need to be an API for this to the end user, and historically 
we have tried to keep the kernel interface as close to that as is practical.

Here you seem to suddenly be saying that there is going to be a 
completely different interface?  Why?

	-hpa
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