[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [RFC] Make xl vcpu-set work in overcommit and with PV guests. (v2).
Hey, In Xen 4.3 the 'xl vcpu-set' would not work for CPU overcommit - meaning where you request more vCPUs than the host has. We added the --ignore-host parameter to allow the system admin to still do this operation as a stop-gate solution. For Xen 4.4 I had posted two (three?) set of patches that try different things for this. The discussion narrowed down to (and please correct me if I am incorrect) to: lets still print the warning but let the operation go ahead without required the --ignore-host parameter. Since the parameter is baked in it still has to work but we can just ignore it. The first patch does that. The second patch is a bug I found where the 'xl vcpuset' would not work on PV guests. I think the same issue is with Xen 4.3 but I am not sure. The patch #2 fixes that. The patches are also at: git://xenbits.xen.org/people/konradwilk/xen.git vcpu.v1.1 The diffstat and log is: docs/man/xl.pod.1 | 15 ++++++++++++++- tools/libxl/libxl.c | 28 ++++++++++++++++++++-------- tools/libxl/xl_cmdimpl.c | 28 ++++++++++++---------------- tools/libxl/xl_cmdtable.c | 2 +- 4 files changed, 47 insertions(+), 26 deletions(-) Konrad Rzeszutek Wilk (2): xl: neuter vcpu-set --ignore-host. xl/vcpuset: Make it work for PV guests. _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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