KVM: x86/mmu: Move kvm_arch_flush_remote_tlbs_memslot() to mmu.c

Move kvm_arch_flush_remote_tlbs_memslot() from x86.c to mmu.c in
preparation for calling kvm_flush_remote_tlbs_with_address() instead of
kvm_flush_remote_tlbs().  The with_address() variant is statically
defined in mmu.c, arguably kvm_arch_flush_remote_tlbs_memslot() belongs
in mmu.c anyways, and defining kvm_arch_flush_remote_tlbs_memslot() in
mmu.c will allow the compiler to inline said function when a future
patch consolidates open coded variants of the function.

No functional change intended.

Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c
index a1dbd13abcaf..2ebac21ab024 100644
--- a/arch/x86/kvm/mmu/mmu.c
+++ b/arch/x86/kvm/mmu/mmu.c
@@ -5934,6 +5934,17 @@ void kvm_mmu_zap_collapsible_sptes(struct kvm *kvm,
 	spin_unlock(&kvm->mmu_lock);
 }
 
+void kvm_arch_flush_remote_tlbs_memslot(struct kvm *kvm,
+					struct kvm_memory_slot *memslot)
+{
+	/*
+	 * All the TLBs can be flushed out of mmu lock, see the comments in
+	 * kvm_mmu_slot_remove_write_access().
+	 */
+	lockdep_assert_held(&kvm->slots_lock);
+	kvm_flush_remote_tlbs(kvm);
+}
+
 void kvm_mmu_slot_leaf_clear_dirty(struct kvm *kvm,
 				   struct kvm_memory_slot *memslot)
 {