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authorZachary Amsden <zamsden@redhat.com>2009-09-29 11:38:37 -1000
committerAvi Kivity <avi@redhat.com>2009-12-03 09:32:13 +0200
commit3230bb4707278dba25e24cd0a11ea7b2337678ee (patch)
tree9548dc371d338b1eb7ee93ef077c70a050cd303f /arch/x86/kvm/vmx.c
parente6732a5af9dfcc87078706a1598df0efe5010f73 (diff)
KVM: Fix hotplug of CPUs
Both VMX and SVM require per-cpu memory allocation, which is done at module init time, for only online cpus. Backend was not allocating enough structure for all possible CPUs, so new CPUs coming online could not be hardware enabled. Signed-off-by: Zachary Amsden <zamsden@redhat.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'arch/x86/kvm/vmx.c')
-rw-r--r--arch/x86/kvm/vmx.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index a187570e483..97f4265cda3 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -1350,15 +1350,17 @@ static void free_kvm_area(void)
{
int cpu;
- for_each_online_cpu(cpu)
+ for_each_possible_cpu(cpu) {
free_vmcs(per_cpu(vmxarea, cpu));
+ per_cpu(vmxarea, cpu) = NULL;
+ }
}
static __init int alloc_kvm_area(void)
{
int cpu;
- for_each_online_cpu(cpu) {
+ for_each_possible_cpu(cpu) {
struct vmcs *vmcs;
vmcs = alloc_vmcs_cpu(cpu);