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KVM: ia64: stack get/restore patch

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Implement KVM_IA64_VCPU_[GS]ET_STACK ioctl calls. This is required
for live migrations.

Patch is based on previous implementation that was part of old
GET/SET_REGS ioctl calls.

Signed-off-by: Jes Sorensen <jes@sgi.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Jes Sorensen
2008-12-18 12:17:51 +01:00
committed by Avi Kivity
parent ae675ef01c
commit e9a999fe1f
4 changed files with 104 additions and 4 deletions
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6
arch/ia64/include/asm/kvm_host.h
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@@ -112,7 +112,11 @@
#define VCPU_STRUCT_SHIFT 16
#define VCPU_STRUCT_SIZE (__IA64_UL_CONST(1) << VCPU_STRUCT_SHIFT)
#define KVM_STK_OFFSET VCPU_STRUCT_SIZE
/*
* This must match KVM_IA64_VCPU_STACK_{SHIFT,SIZE} arch/ia64/include/asm/kvm.h
*/
#define KVM_STK_SHIFT 16
#define KVM_STK_OFFSET (__IA64_UL_CONST(1)<< KVM_STK_SHIFT)
#define KVM_VM_STRUCT_SHIFT 19
#define KVM_VM_STRUCT_SIZE (__IA64_UL_CONST(1) << KVM_VM_STRUCT_SHIFT)