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Re: [Xen-devel] Re: how to handle paged hypercall args?
| To: | Jan Beulich <JBeulich@xxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] Re: how to handle paged hypercall args? |
| From: | Olaf Hering <olaf@xxxxxxxxx> |
| Date: | Fri, 3 Dec 2010 10:06:29 +0100 |
| Cc: | xen-devel@xxxxxxxxxxxxxxxxxxx, Keir Fraser <keir@xxxxxxx> |
| Delivery-date: | Fri, 03 Dec 2010 01:07:15 -0800 |
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| References: | <C909B8B7.2817A%keir@xxxxxxx> <C90ACD8F.A6E9%keir@xxxxxxx> <20101202101122.GA30374@xxxxxxxxx> <4CF782120200007800025663@xxxxxxxxxxxxxxxxxx> |
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On Thu, Dec 02, Jan Beulich wrote: > >>> On 02.12.10 at 11:11, Olaf Hering <olaf@xxxxxxxxx> wrote: > > On Thu, Nov 18, Keir Fraser wrote: > > > >> I've done something along these lines now as xen-unstable:22402. It > >> actually > >> seems to work okay! So you can go ahead and use waitqueues in __hvm_copy() > >> now. > > > > This is my first attempt to do it. > > I didn't look in detail whether that's being done in a non-intuitive > way elsewhere, but I can't see how the event you're waiting on > would ever get signaled - wouldn't you need to pass it into > __hvm_copy() and further down from there? I was relying on the kind-of wakeup in p2m_mem_paging_resume(). There will be a new patch shortly. Olaf _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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