Re: [libvirt] [PATCH 2/2] qemu: Figure out nodeset bitmap size correctly

On Thu, 2018-04-19 at 14:11 +0200, Peter Krempa wrote: > On Thu, Apr 12, 2018 at 08:47:58 +0200, Andrea Bolognani wrote: > > The current private XML parsing code relies on the assumption > > that NUMA node IDs start from 0 and are densely allocated, > > neither of which is necessarily the case. > > > > Change it so that the bitmap size is dynamically calculated by > > looking at NUMA node IDs instead, which ensures all nodes will > > be able to fit and thus the bitmap will be parsed successfully. > > > > Update one of the test cases so that it would fail with the > > previous approach, but passes with the new one. > > > > Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1490158 > > While the patch below will fix this case, I'd also like to see that the > parsing of the bitmaps is made non-fatal. If the nodesets are missing > some of the reported data will be wrong, but not having this is > certainly not a deal-breaker so that we should not reconnect to qemu. Mh, that's trickier than I initially though, because virBitmapParseSeparator() calls virReportError() itself on parse failure, and changing doesn't sound feasible.