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KVM: Introduce kvm_arch_destroy_vcpu()

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Simiar to how kvm_init_vcpu() calls kvm_arch_init_vcpu() to perform
arch-dependent initialisation, introduce kvm_arch_destroy_vcpu()
to be called from kvm_destroy_vcpu() to perform arch-dependent
destruction.

This was added because some architectures (Such as i386)
currently do not free memory that it have allocated in
kvm_arch_init_vcpu().

Suggested-by: Maran Wilson <maran.wilson@oracle.com>
Reviewed-by: Maran Wilson <maran.wilson@oracle.com>
Signed-off-by: Liran Alon <liran.alon@oracle.com>
Message-Id: <20190619162140.133674-3-liran.alon@oracle.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Liran Alon 2019-06-19 19:21:32 +03:00 • committed by Paolo Bonzini
parent 6b2341eeea
commit b1115c9991
8 changed files with 48 additions and 0 deletions
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5
accel/kvm/kvm-all.c
View file

@ -291,6 +291,11 @@ int kvm_destroy_vcpu(CPUState *cpu)
DPRINTF("kvm_destroy_vcpu\n");
ret = kvm_arch_destroy_vcpu(cpu);
if (ret < 0) {
goto err;
}
mmap_size = kvm_ioctl(s, KVM_GET_VCPU_MMAP_SIZE, 0);
if (mmap_size < 0) {
ret = mmap_size;