Allow non-constant hypercall to be called, for privcmd.
[ Impact: make arbitrary hypercalls; needed for privcmd ]
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
(type)__res; \
})
+static inline long
+privcmd_call(unsigned call,
+ unsigned long a1, unsigned long a2,
+ unsigned long a3, unsigned long a4,
+ unsigned long a5)
+{
+ __HYPERCALL_DECLS;
+ __HYPERCALL_5ARG(a1, a2, a3, a4, a5);
+
+ asm volatile("call *%[call]"
+ : __HYPERCALL_5PARAM
+ : [call] "a" (&hypercall_page[call])
+ : __HYPERCALL_CLOBBER5);
+
+ return (long)__res;
+}
+
static inline int
HYPERVISOR_set_trap_table(struct trap_info *table)
{