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cpu: Add a sync version of cpu_remove()

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This sync API will be used by the CPU hotplug code to wait for the CPU to
completely get removed before flagging the failure to the device_add
command.

Sync version of this call is needed to correctly recover from CPU
realization failures when ->plug() handler fails.

Signed-off-by: Bharata B Rao <bharata@linux.vnet.ibm.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Bharata B Rao 2016-05-12 09:18:14 +05:30 • committed by David Gibson
parent 4c055ab54f
commit 2c579042e3
2 changed files with 20 additions and 0 deletions
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8
include/qom/cpu.h
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@ -772,6 +772,14 @@ void cpu_resume(CPUState *cpu);
*/
void cpu_remove(CPUState *cpu);
/**
* cpu_remove_sync:
* @cpu: The CPU to remove.
*
* Requests the CPU to be removed and waits till it is removed.
*/
void cpu_remove_sync(CPUState *cpu);
/**
* qemu_init_vcpu:
* @cpu: The vCPU to initialize.