KVM: Clean up unloved invlpg emulation

invlpg shouldn't fetch the "src" address, since it may not be valid,
however SVM's "solution" which neuters emulation of all group 7
instruction is horrible and breaks kvm-lite.  The simplest fix is to
put a special check in for invlpg.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Avi Kivity <avi@qumranet.com>

1 files changed, 0 insertions, 2 deletions

diff --git a/drivers/kvm/svm.c b/drivers/kvm/svm.c
index dbd4e813cbe4..e51f6b7f8ff3 100644
--- a/drivers/kvm/svm.c
+++ b/drivers/kvm/svm.c
@@ -376,8 +376,6 @@ static __init int svm_hardware_setup(void)
         void *iopm_va, *msrpm_va;
         int r;
 
-        kvm_emulator_want_group7_invlpg();
-
         iopm_pages = alloc_pages(GFP_KERNEL, IOPM_ALLOC_ORDER);
 
         if (!iopm_pages)