lguest: use KVM hypercalls

Impact: cleanup

This patch allow us to use KVM hypercalls

Signed-off-by: Matias Zabaljauregui <zabaljauregui at gmail.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

1 files changed, 4 insertions, 3 deletions

diff --git a/drivers/lguest/interrupts_and_traps.c b/drivers/lguest/interrupts_and_traps.c
index 415fab0125ac..504091da1737 100644
--- a/drivers/lguest/interrupts_and_traps.c
+++ b/drivers/lguest/interrupts_and_traps.c
@@ -288,9 +288,10 @@ static int direct_trap(unsigned int num)
 
         /* The Host needs to see page faults (for shadow paging and to save the
          * fault address), general protection faults (in/out emulation) and
-         * device not available (TS handling), and of course, the hypercall
-         * trap. */
-        return num != 14 && num != 13 && num != 7 && num != LGUEST_TRAP_ENTRY;
+         * device not available (TS handling), invalid opcode fault (kvm hcall),
+         * and of course, the hypercall trap. */
+        return num != 14 && num != 13 && num != 7 &&
+                        num != 6 && num != LGUEST_TRAP_ENTRY;
 }
 /*:*/