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authorBharata B Rao <bharata@linux.vnet.ibm.com>2016-05-12 09:18:21 +0530
committerDavid Gibson <david@gibson.dropbear.id.au>2016-06-17 16:33:48 +1000
commitaab99135b63522267c6fdae04712cb2f02c8c7de (patch)
treec6ec4a08e7f11d8f62e14ed62c94e80722218253 /qom/object.c
parent4a4b344c7ccdeac28c2e65e51ddbe3acfb41b883 (diff)
spapr_drc: Prevent detach racing against attach for CPU DR
If a CPU is hot removed while hotplug of the same is still in progress, the guest crashes. Prevent this by ensuring that detach is done only after attach has completed. The existing code already prevents such race for PCI hotplug. However given that CPU is a logical DR unlike PCI and starts with ISOLATED state, we need a logic that works for CPU too. Signed-off-by: Bharata B Rao <bharata@linux.vnet.ibm.com> Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com> [Don't set awaiting_attach for PCI devices] Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'qom/object.c')
0 files changed, 0 insertions, 0 deletions