KVM: SEV: unify cgroup cleanup code for svm_vm_migrate_from

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Use the same cleanup code independent of whether the cgroup to be
uncharged and unref'd is the source or the destination cgroup.  Use a
bool to track whether the destination cgroup has been charged, which also
fixes a bug in the error case: the destination cgroup must be uncharged
only if it does not match the source.

Fixes: b56639318b ("KVM: SEV: Add support for SEV intra host migration")
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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Paolo Bonzini 2021-11-12 04:02:24 -05:00

parent 3e067fd850

commit 501cfe0679

1 changed files with 11 additions and 14 deletions

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arch/x86/kvm/svm/sev.c

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