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>
diff --git a/arch/x86/lguest/i386_head.S b/arch/x86/lguest/i386_head.S
index 863b03a..c8c95e5 100644
--- a/arch/x86/lguest/i386_head.S
+++ b/arch/x86/lguest/i386_head.S
@@ -101,12 +101,8 @@
*/
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