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H A Dmmu_internal.h11cccf5c Thu Apr 01 18:37:29 CDT 2021 Ben Gardon <bgardon@google.com> KVM: x86/mmu: Make TDP MMU root refcount atomic

In order to parallelize more operations for the TDP MMU, make the
refcount on TDP MMU roots atomic, so that a future patch can allow
multiple threads to take a reference on the root concurrently, while
holding the MMU lock in read mode.

Signed-off-by: Ben Gardon <bgardon@google.com>
Message-Id: <20210401233736.638171-7-bgardon@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
H A Dtdp_mmu.h11cccf5c Thu Apr 01 18:37:29 CDT 2021 Ben Gardon <bgardon@google.com> KVM: x86/mmu: Make TDP MMU root refcount atomic

In order to parallelize more operations for the TDP MMU, make the
refcount on TDP MMU roots atomic, so that a future patch can allow
multiple threads to take a reference on the root concurrently, while
holding the MMU lock in read mode.

Signed-off-by: Ben Gardon <bgardon@google.com>
Message-Id: <20210401233736.638171-7-bgardon@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
H A Dtdp_mmu.c11cccf5c Thu Apr 01 18:37:29 CDT 2021 Ben Gardon <bgardon@google.com> KVM: x86/mmu: Make TDP MMU root refcount atomic

In order to parallelize more operations for the TDP MMU, make the
refcount on TDP MMU roots atomic, so that a future patch can allow
multiple threads to take a reference on the root concurrently, while
holding the MMU lock in read mode.

Signed-off-by: Ben Gardon <bgardon@google.com>
Message-Id: <20210401233736.638171-7-bgardon@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>