linux-kernel - Re: [PATCH 2 of 4] Introduce i386 fibril scheduling

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Message-ID: <Pine.LNX.4.64.0702051022170.14453@alien.or.mcafeemobile.com>
Date:	Mon, 5 Feb 2007 10:24:34 -0800 (PST)
From:	Davide Libenzi <davidel@...ilserver.org>
To:	Zach Brown <zach.brown@...cle.com>
cc:	Ingo Molnar <mingo@...e.hu>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	linux-aio@...ck.org, Suparna Bhattacharya <suparna@...ibm.com>,
	Benjamin LaHaise <bcrl@...ck.org>
Subject: Re: [PATCH 2 of 4] Introduce i386 fibril scheduling

On Mon, 5 Feb 2007, Zach Brown wrote:

> > Since I still think that the many-thousands potential async operations
> > coming from network sockets are better handled with a classical event
> > machanism [1], and since smooth integration of new async syscall into the
> > standard POSIX infrastructure is IMO a huge win, I think we need to have a
> > "bridge" to allow async completions being detectable through a pollable
> > (by the mean of select/poll/epoll whatever) device.
> 
> Ugh, I'd rather not if we don't have to.
> 
> It seems like you could get this behaviour from issuing a
> poll/select(really?)/epoll as one of the async calls to complete.  (And you
> mention this in a later email? :))

Yes, no need for the above. We can just host a poll/epoll in an async() 
operation, and demultiplex once that gets ready.



- Davide


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