KVM: x86: enable TDP MMU by default

With the addition of fast page fault support, the TDP-specific MMU has reached
feature parity with the original MMU.  All my testing in the last few months
has been done with the TDP MMU; switch the default on 64-bit machines.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

diff --git a/arch/x86/kvm/mmu/tdp_mmu.c b/arch/x86/kvm/mmu/tdp_mmu.c
index 88aff5d0512cd77dce5ed889136daea3828bb2f7..41cee1d229180fa5f81e56ab2fc8c3dc2c84fc7f 100644 (file)
--- a/arch/x86/kvm/mmu/tdp_mmu.c
+++ b/arch/x86/kvm/mmu/tdp_mmu.c
@@ -10,7 +10,7 @@
 #include <asm/cmpxchg.h>
 #include <trace/events/kvm.h>
 
-static bool __read_mostly tdp_mmu_enabled = false;
+static bool __read_mostly tdp_mmu_enabled = true;
 module_param_named(tdp_mmu, tdp_mmu_enabled, bool, 0644);
 
 /* Initializes the TDP MMU for the VM, if enabled. */