linux-kernel - Re: [PATCH] kevent_user: remove non-chardev interface

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Message-ID: <20060822121709.GA4815@2ka.mipt.ru>
Date:	Tue, 22 Aug 2006 16:17:10 +0400
From:	Evgeniy Polyakov <johnpol@....mipt.ru>
To:	Christoph Hellwig <hch@...radead.org>
Cc:	lkml <linux-kernel@...r.kernel.org>,
	David Miller <davem@...emloft.net>,
	Ulrich Drepper <drepper@...hat.com>,
	Andrew Morton <akpm@...l.org>, netdev <netdev@...r.kernel.org>,
	Zach Brown <zach.brown@...cle.com>
Subject: Re: [PATCH] kevent_user: remove non-chardev interface

On Tue, Aug 22, 2006 at 12:54:59PM +0100, Christoph Hellwig (hch@...radead.org) wrote:
> Currently a user can create a user kevents in two ways:
> 
>  a) simply open() the kevent chardevice
>  b) use sys_kevent_ctl with the KEVENT_CTL_INIT cmd type
> 
> both are equally easy to use for the user, but to support type b) a lot
> of code in kernelspace is required.  remove type b to save lots of code
> without functionality loss.

I personally do not have objections against it, but it introduces
additional complexies - one needs to open /dev/kevent and then perform
syscalls on top of returuned file descriptor.

If there are no objections, I will apply this patch.

-- 
	Evgeniy Polyakov
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