Re: [Xen-devel] [PATCH] tools: fix build after recent xenpaging changes

[Olaf Hering <olaf@xxxxxxxxx>]

On Fri, Jun 24, Ian Campbell wrote:

> In fact since the page-in thread is doing relatively expensive work I'd
> expect that the trigger loop would get to run several iterations for
> each time the page-in loop ran..

That did not happen for me, I will think about it.

> > If the caller of page_in_trigger will find the gfn is still in paging
> > state, it will just try again.
> 
> I don't see where it would go back and try page 1 again if it gets
> missed (as in the above example)

The break exits the for() loop, not the while(1). In the next iteration
page 1 may still be in paging->bitmap and tried again.

Olaf

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