Re: [PATCH 1/1] eventfd: implementation of EFD_MASK flag

From: Martin Sustrik
Date: Fri Feb 08 2013 - 07:43:13 EST

On 07/02/13 23:44, Andrew Morton wrote:

That's a nice changelog but it omitted a critical thing: why do you
think the kernel needs this feature? What's the value and use case for
being able to poll these descriptors?

To address the question, I've written down detailed description of the challenges of the network protocol development in user space and how the proposed feature addresses the problems.

It's too long to fit into ChangeLog, but it may be worth reading when trying to judge the merit of the patch.

It can be found here:

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