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authorAndreas Färber <afaerber@suse.de>2013-07-27 02:53:25 +0200
committerAndreas Färber <afaerber@suse.de>2013-07-29 15:29:15 +0200
commit14a10fc39923b3af07c8c46d22cb20843bee3a72 (patch)
tree5dc9c362f2ef73a3f28e62483e14d0602e439b33 /qemu-options.h
parentfdc43322c978d78e79e692872dcec7b4f6a447f1 (diff)
cpu: Partially revert "cpu: Change qemu_init_vcpu() argument to CPUState"
Commit c643bed99 moved qemu_init_vcpu() calls to common CPUState code. This causes x86 cpu-add to fail with "KVM: setting VAPIC address failed". The reason for the failure is that CPUClass::kvm_fd is not yet initialized in the following call graph: ->x86_cpu_realizefn ->x86_cpu_apic_realize ->qdev_init ->device_set_realized ->device_reset (hotplugged == 1) ->apic_reset_common ->vapic_base_update ->kvm_apic_vapic_base_update This causes attempted KVM vCPU ioctls to fail. By contrast, in the non-hotplug case the APIC is reset much later, when the vCPU is already initialized. As a quick and safe solution, move the qemu_init_vcpu() call back into the targets' realize functions. Reported-by: Chen Fan <chen.fan.fnst@cn.fujitsu.com> Acked-by: Igor Mammedov <imammedo@redhat.com> (for i386) Tested-by: Jia Liu <proljc@gmail.com> (for openrisc) Signed-off-by: Andreas Färber <afaerber@suse.de>
Diffstat (limited to 'qemu-options.h')
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