lguest: remove remaining vmcall

We switch back from using vmcall in 091ebf07a2408f9a56634caa0f86d9360e9af23b
because it was unreliable under kvm, but I missed one (rarely-used) place.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

1 files changed, 2 insertions, 6 deletions

diff --git a/arch/x86/lguest/i386_head.S b/arch/x86/lguest/i386_head.S
index 863b03a9fbf..c8c95e575c1 100644
--- a/arch/x86/lguest/i386_head.S
+++ b/arch/x86/lguest/i386_head.S
@@ -101,12 +101,8 @@ send_interrupts:
          */
         pushl %eax
         movl $LHCALL_SEND_INTERRUPTS, %eax
-        /*
-         * This is a vmcall instruction (same thing that KVM uses).  Older
-         * assembler versions might not know the "vmcall" instruction, so we
-         * create one manually here.
-         */
-        .byte 0x0f,0x01,0xc1 /* KVM_HYPERCALL */
+        /* This is the actual hypercall trap. */
+        int  $LGUEST_TRAP_ENTRY
         /* Put eax back the way we found it. */
         popl %eax
         ret