lguest: remove NOTIFY call and eventfd facility.

Disappointing, as this was kind of neat (especially getting to use RCU
to manage the address -> eventfd mapping).  But now the devices are PCI
handled in userspace, we get rid of both the NOTIFY hypercall and
the interface to connect an eventfd.

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

1 files changed, 0 insertions, 4 deletions

diff --git a/drivers/lguest/hypercalls.c b/drivers/lguest/hypercalls.c
index 5dd1fb8a6610..1219af493c0f 100644
--- a/drivers/lguest/hypercalls.c
+++ b/drivers/lguest/hypercalls.c
@@ -117,10 +117,6 @@ static void do_hcall(struct lg_cpu *cpu, struct hcall_args *args)
                 /* Similarly, this sets the halted flag for run_guest(). */
                 cpu->halted = 1;
                 break;
-        case LHCALL_NOTIFY:
-                cpu->pending.trap = LGUEST_TRAP_ENTRY;
-                cpu->pending.addr = args->arg1;
-                break;
         default:
                 /* It should be an architecture-specific hypercall. */
                 if (lguest_arch_do_hcall(cpu, args))