lguest: PAE support
This version requires that host and guest have the same PAE status.
NX cap is not offered to the guest, yet.
Signed-off-by: Matias Zabaljauregui <[email protected]>
Signed-off-by: Rusty Russell <[email protected]>
diff --git a/drivers/lguest/hypercalls.c b/drivers/lguest/hypercalls.c
index 51149ca..c29ffa1 100644
--- a/drivers/lguest/hypercalls.c
+++ b/drivers/lguest/hypercalls.c
@@ -77,11 +77,21 @@
guest_set_stack(cpu, args->arg1, args->arg2, args->arg3);
break;
case LHCALL_SET_PTE:
+#ifdef CONFIG_X86_PAE
+ guest_set_pte(cpu, args->arg1, args->arg2,
+ __pte(args->arg3 | (u64)args->arg4 << 32));
+#else
guest_set_pte(cpu, args->arg1, args->arg2, __pte(args->arg3));
+#endif
break;
case LHCALL_SET_PGD:
guest_set_pgd(cpu->lg, args->arg1, args->arg2);
break;
+#ifdef CONFIG_X86_PAE
+ case LHCALL_SET_PMD:
+ guest_set_pmd(cpu->lg, args->arg1, args->arg2);
+ break;
+#endif
case LHCALL_SET_CLOCKEVENT:
guest_set_clockevent(cpu, args->arg1);
break;
