Re: [PATCHv2 1/3] eventfd: allow atomic read and waitqueue remove

From: Avi Kivity
Date: Thu Jan 21 2010 - 12:14:15 EST

On 01/21/2010 07:13 PM, Avi Kivity wrote:

But I think we can solve this in another way in .32: we can clear the eventfd from irqfd->inject work, which is in process context. The new stuff is only needed for lockless clearing, no?

I meant atomic clearing, when we inject interrupts from the irqfd atomic context.

Do not meddle in the internals of kernels, for they are subtle and quick to panic.

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