The relevant __gfn_to_pfn_memslot() calls in __kvm_faultin_pfn() already use MEMSLOT_ACCESS_NONATOMIC_MAY_UPGRADE. Signed-off-by: Anish Moorthy <amoorthy@xxxxxxxxxx> --- Documentation/virt/kvm/api.rst | 2 +- arch/x86/kvm/Kconfig | 1 + 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/Documentation/virt/kvm/api.rst b/Documentation/virt/kvm/api.rst index c2eaacb6dc63..a74d721a18f6 100644 --- a/Documentation/virt/kvm/api.rst +++ b/Documentation/virt/kvm/api.rst @@ -7788,7 +7788,7 @@ error/annotated fault. 7.35 KVM_CAP_USERFAULT_ON_MISSING --------------------------------- -:Architectures: None +:Architectures: x86 :Returns: Informational only, -EINVAL on direct KVM_ENABLE_CAP. The presence of this capability indicates that userspace may set the diff --git a/arch/x86/kvm/Kconfig b/arch/x86/kvm/Kconfig index ed90f148140d..11d956f17a9d 100644 --- a/arch/x86/kvm/Kconfig +++ b/arch/x86/kvm/Kconfig @@ -49,6 +49,7 @@ config KVM select INTERVAL_TREE select HAVE_KVM_PM_NOTIFIER if PM select KVM_GENERIC_HARDWARE_ENABLING + select HAVE_KVM_USERFAULT_ON_MISSING help Support hosting fully virtualized guest machines using hardware virtualization extensions. You will need a fairly recent -- 2.42.0.283.g2d96d420d3-goog
