diff options
author | Maxim Levitsky <mlevitsk@redhat.com> | 2021-06-07 12:02:03 +0300 |
---|---|---|
committer | Paolo Bonzini <pbonzini@redhat.com> | 2021-06-17 20:09:48 +0300 |
commit | 158a48ecf776d0ebc916befcb0dc0862f136a31f (patch) | |
tree | 806d4fdaf6eeca8e6c6a55fb5e8d4627e96d15ad /arch/x86/include | |
parent | 6dba940352038b56db9b591b172fb2ec76a5fd5e (diff) | |
download | linux-158a48ecf776d0ebc916befcb0dc0862f136a31f.tar.xz |
KVM: x86: avoid loading PDPTRs after migration when possible
if new KVM_*_SREGS2 ioctls are used, the PDPTRs are
a part of the migration state and are correctly
restored by those ioctls.
Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Message-Id: <20210607090203.133058-9-mlevitsk@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/include')
-rw-r--r-- | arch/x86/include/asm/kvm_host.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index 601e00876b38..383106901fe2 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -862,6 +862,12 @@ struct kvm_vcpu_arch { /* Protected Guests */ bool guest_state_protected; + /* + * Set when PDPTS were loaded directly by the userspace without + * reading the guest memory + */ + bool pdptrs_from_userspace; + #if IS_ENABLED(CONFIG_HYPERV) hpa_t hv_root_tdp; #endif |