change arguments of do_kexec_op and compat_set_timer_op prototypes

... to match the actual functions.

Signed-off-by: Robbie VanVossen <robert.vanvossen@xxxxxxxxxxxxxxx>

Also make sure the source files defining these symbols include the
header declaring them (had we done so, the problem would have been
noticed long ago).

Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>

--- a/xen/common/kexec.c
+++ b/xen/common/kexec.c
@@ -15,6 +15,7 @@
 #include <xen/nmi.h>
 #include <xen/sched.h>
 #include <xen/types.h>
+#include <xen/hypercall.h>
 #include <xen/kexec.h>
 #include <xen/keyhandler.h>
 #include <public/kexec.h>
--- a/xen/common/schedule.c
+++ b/xen/common/schedule.c
@@ -30,6 +30,7 @@
 #include <xen/mm.h>
 #include <xen/err.h>
 #include <xen/guest_access.h>
+#include <xen/hypercall.h>
 #include <xen/multicall.h>
 #include <xen/cpu.h>
 #include <xen/preempt.h>
--- a/xen/include/xen/hypercall.h
+++ b/xen/include/xen/hypercall.h
@@ -126,8 +126,7 @@ do_hvm_op(
 extern long
 do_kexec_op(
     unsigned long op,
-    int arg1,
-    XEN_GUEST_HANDLE_PARAM(void) arg);
+    XEN_GUEST_HANDLE_PARAM(void) uarg);
 
 extern long
 do_xsm_op(
@@ -174,7 +173,8 @@ compat_sched_op(
 
 extern int
 compat_set_timer_op(
-    s_time_t timeout);
+    u32 lo,
+    s32 hi);
 
 #endif