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KVM: ia64: dynamic nr online cpus

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Account for number of online cpus and use that in loops iterating over
the list of vpus instead of scanning the full array unconditionally.
This patch is a building block to facilitate allowing to bump up
the size of MAX_VCPUS significantly.

Signed-off-by: Jes Sorensen <jes@sgi.com>
Acked-by : Xiantao Zhang  <xiantao.zhang@intel.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Jes Sorensen
2009-01-21 15:16:43 +01:00
committed by Avi Kivity
parent b7e6e4d360
commit 934d534f8a
3 changed files with 18 additions and 9 deletions
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10
arch/ia64/include/asm/kvm_host.h
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@@ -157,10 +157,10 @@ struct kvm_vm_data {
struct kvm_vcpu_data vcpu_data[KVM_MAX_VCPUS];
};
#define VCPU_BASE(n) KVM_VM_DATA_BASE + \
offsetof(struct kvm_vm_data, vcpu_data[n])
#define VM_BASE KVM_VM_DATA_BASE + \
offsetof(struct kvm_vm_data, kvm_vm_struct)
#define VCPU_BASE(n) (KVM_VM_DATA_BASE + \
offsetof(struct kvm_vm_data, vcpu_data[n]))
#define KVM_VM_BASE (KVM_VM_DATA_BASE + \
offsetof(struct kvm_vm_data, kvm_vm_struct))
#define KVM_MEM_DIRTY_LOG_BASE KVM_VM_DATA_BASE + \
offsetof(struct kvm_vm_data, kvm_mem_dirty_log)
@@ -464,6 +464,8 @@ struct kvm_arch {
unsigned long metaphysical_rr4;
unsigned long vmm_init_rr;
int online_vcpus;
struct kvm_ioapic *vioapic;
struct kvm_vm_stat stat;
struct kvm_sal_data rdv_sal_data;