Re: [Xen-devel] Help with test_and_clear_bit on events

[Tim Deegan <tim@xxxxxxx>]

At 14:15 +0100 on 04 Oct (1317737710), Ian Campbell wrote:
> On Tue, 2011-10-04 at 12:23 +0100, Daniel Castro wrote:
> > The output for shinfo->evtchn_pending[2] is
> > 11001100110011001100110011001100, which bit am I supposed to change?
> 
> However this value for evtchn_pending[2] (which, in the 32 bit ABI,
> contains the pending bits for evtchns 64-96) looks very dubious to me:
> it's rather too regular and we can be pretty sure event channels up
> there are not yet in use. I'm still not 100% convinced you are seeing
> the actual shared info.

In particular this is 0xcccccccc , which is a string of x86 NOPs - are
you sure this isn't the hypercall page by mistake?

Tim.

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