Re: [PATCHv2 1/3] eventfd: allow atomic read and waitqueue remove
From: Avi Kivity
Date: Thu Jan 21 2010 - 12:33:14 EST
On 01/21/2010 07:23 PM, Michael S. Tsirkin wrote:
I agree.No, AFAIK there's no way to clear the counter from kernel without
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?
Can't you read from the file?
Do not meddle in the internals of kernels, for they are subtle and quick to panic.
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