[RFC,14/48] RISC-V: KVM: Skip dirty logging updates for TVM

Commit Message

Atish Patra April 19, 2023, 10:16 p.m. UTC

The CoVE doesn't support dirty logging for TVMs yet.
Skip for now.

Signed-off-by: Atish Patra <[e-mail]>
---
 arch/riscv/kvm/mmu.c | 3 +++
 1 file changed, 3 insertions(+)

Patch

diff --git a/arch/riscv/kvm/mmu.c b/arch/riscv/kvm/mmu.c
index 9693897..1d5e4ed 100644
--- a/arch/riscv/kvm/mmu.c
+++ b/arch/riscv/kvm/mmu.c
@@ -457,6 +457,9 @@  void kvm_arch_commit_memory_region(struct kvm *kvm,
 				const struct kvm_memory_slot *new,
 				enum kvm_mr_change change)
 {
+	/* We don't support dirty logging for CoVE guests yet */
+	if (is_cove_vm(kvm))
+		return;
 	/*
 	 * At this point memslot has been committed and there is an
 	 * allocated dirty_bitmap[], dirty pages will be tracked while