[RFC PATCH 07/18] KVM: Provide attributes to kvm_arch_pre_set_memory_attributes

James Houghton
2024-07-10T23:45:14Z

This is needed so that architectures can do the right thing (including
at least unmapping newly userfault-enabled gfns) when KVM Userfault is
enabled for a particular range.

Signed-off-by: James Houghton <jthoughton@google.com>
---
virt/kvm/kvm_main.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 840e02c75fe3..77eb9f0de02d 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -2514,6 +2514,7 @@ static int kvm_vm_set_mem_attributes(struct kvm *kvm, gfn_t start, gfn_t end,
struct kvm_mmu_notifier_range pre_set_range = {
.start = start,
.end = end,
+ .arg.attributes = attributes,
.handler = kvm_pre_set_memory_attributes,
.on_lock = kvm_mmu_invalidate_begin,
.flush_on_ret = true,
--
2.45.2.993.g49e7a77208-goog