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authorDan Williams <dan.j.williams@intel.com>2017-08-31 16:25:59 -0700
committerDan Williams <dan.j.williams@intel.com>2017-08-31 16:25:59 -0700
commit8f98ae0c9b90bb46097e4f28e81e9ae6148e5694 (patch)
treec1d0f0d9b0733bf3271780e45d7a1c299fe2fc48 /include/linux/kvm_host.h
parent58738c495e15badd2015e19ff41f1f1ed55200bc (diff)
parent5e405595e5bf4c09fab9ca1e7dbe5b62872757b5 (diff)
downloadop-kernel-dev-8f98ae0c9b90bb46097e4f28e81e9ae6148e5694.zip
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Merge branch 'for-4.14/fs' into libnvdimm-for-next
Diffstat (limited to 'include/linux/kvm_host.h')
-rw-r--r--include/linux/kvm_host.h7
1 files changed, 5 insertions, 2 deletions
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 648b34c..21a6fd6 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -445,6 +445,7 @@ struct kvm {
struct kvm_stat_data **debugfs_stat_data;
struct srcu_struct srcu;
struct srcu_struct irq_srcu;
+ pid_t userspace_pid;
};
#define kvm_err(fmt, ...) \
@@ -476,7 +477,8 @@ struct kvm {
static inline struct kvm_io_bus *kvm_get_bus(struct kvm *kvm, enum kvm_bus idx)
{
return srcu_dereference_check(kvm->buses[idx], &kvm->srcu,
- lockdep_is_held(&kvm->slots_lock));
+ lockdep_is_held(&kvm->slots_lock) ||
+ !refcount_read(&kvm->users_count));
}
static inline struct kvm_vcpu *kvm_get_vcpu(struct kvm *kvm, int i)
@@ -569,7 +571,8 @@ void kvm_put_kvm(struct kvm *kvm);
static inline struct kvm_memslots *__kvm_memslots(struct kvm *kvm, int as_id)
{
return srcu_dereference_check(kvm->memslots[as_id], &kvm->srcu,
- lockdep_is_held(&kvm->slots_lock));
+ lockdep_is_held(&kvm->slots_lock) ||
+ !refcount_read(&kvm->users_count));
}
static inline struct kvm_memslots *kvm_memslots(struct kvm *kvm)
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