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[Xen-devel] Re: Need help with fixing the Xen waitqueue feature
| To: | Andres Lagar-Cavilla <andres@xxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | [Xen-devel] Re: Need help with fixing the Xen waitqueue feature |
| From: | Olaf Hering <olaf@xxxxxxxxx> |
| Date: | Thu, 10 Nov 2011 13:05:01 +0100 |
| Cc: | keir.xen@xxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Thu, 10 Nov 2011 04:07:02 -0800 |
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On Thu, Nov 10, Olaf Hering wrote: > On Wed, Nov 09, Andres Lagar-Cavilla wrote: > > The tools retry as long as IOCTL_PRIVCMD_MMAPBATCH_V2 is supported. Which > > it isn't on mainline linux 3.0, 3.1, etc. Which dom0 kernel are you using? > I'm running SLES11 as dom0. Now thats really odd that there is no ENOENT > handling in mainline, I will go and check the code. xen_remap_domain_mfn_range() has to catch -ENOENT returned from HYPERVISOR_mmu_update() and return it to its callers. Then drivers/xen/xenfs/privcmd.c:traverse_pages() will do the right thing. See http://xenbits.xen.org/hg/linux-2.6.18-xen.hg/rev/0051d294bb60 The granttable part needs more changes, see http://xenbits.xen.org/hg/linux-2.6.18-xen.hg/rev/7c7efaea8b54 Olaf _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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