[PATCH v1 02/13] KVM: Add KVM_MEMORY_EXIT_FLAG_USERFAULT

James Houghton
2024-12-04T19:14:17Z

This flag is used for vCPU memory faults caused by KVM Userfault; i.e.,
the bit in `userfault_bitmap` corresponding to the faulting gfn was set.

Signed-off-by: James Houghton <jthoughton@google.com>
---
include/uapi/linux/kvm.h | 1 +
1 file changed, 1 insertion(+)

diff --git a/include/uapi/linux/kvm.h b/include/uapi/linux/kvm.h
index 94be7e8b46a4..641a2e580441 100644
--- a/include/uapi/linux/kvm.h
+++ b/include/uapi/linux/kvm.h
@@ -444,6 +444,7 @@ struct kvm_run {
/* KVM_EXIT_MEMORY_FAULT */
struct {
#define KVM_MEMORY_EXIT_FLAG_PRIVATE (1ULL << 3)
+#define KVM_MEMORY_EXIT_FLAG_USERFAULT (1ULL << 4)
__u64 flags;
__u64 gpa;
__u64 size;
--
2.47.0.338.g60cca15819-goog