linux-kernel - Re: [take28-resend_1->0 0/8] kevent: Generic event handling mechanism.

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Date:	Thu, 21 Dec 2006 09:40:26 -0500
From:	jamal <hadi@...erus.ca>
To:	Evgeniy Polyakov <johnpol@....mipt.ru>
Cc:	Jeff Garzik <jeff@...zik.org>, 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>,
	Christoph Hellwig <hch@...radead.org>,
	Chase Venters <chase.venters@...entec.com>,
	Johann Borck <johann.borck@...sedata.com>
Subject: Re: [take28-resend_1->0 0/8] kevent: Generic event handling
	mechanism.

On Thu, 2006-21-12 at 17:36 +0300, Evgeniy Polyakov wrote:

> Btw, it uses only read/write/signal on fd events, so it must use
> ->poll() and thus be as fast as epoll. 
> 

It is supposed to "detect" the best mechanism in the kernel and switch
to that.
At the moment for example in my app it defaults to epoll.

> Things like sockets/pipes can only benefit from direct kevent usage 
> instead of ->poll() and wrappers.

You should be able change it to use those schemes when it detects
that the kernel supports them.

cheers,
jamal

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