KVM: x86 emulator: use correct type for memory address in operands

Currently we use a void pointer for memory addresses.  That's wrong since
these are guest virtual addresses which are not directly dereferencable by
the host.

Use the correct type, unsigned long.

Signed-off-by: Avi Kivity <avi@redhat.com>

1 files changed, 4 insertions, 1 deletions

diff --git a/arch/x86/include/asm/kvm_emulate.h b/arch/x86/include/asm/kvm_emulate.h
index cbdf76722d7d..0c835f7eb308 100644
--- a/arch/x86/include/asm/kvm_emulate.h
+++ b/arch/x86/include/asm/kvm_emulate.h
@@ -156,7 +156,10 @@ struct operand {
                 unsigned long orig_val;
                 u64 orig_val64;
         };
-        unsigned long *ptr;
+        union {
+                unsigned long *reg;
+                unsigned long mem;
+        } addr;
         union {
                 unsigned long val;
                 u64 val64;