xen/arm: Scrub heap pages during boot

Scrub heap pages was disabled because it was slow on the models. Now that Xen
supports real hardware, it's possible to enable by default scrubbing.

Signed-off-by: Julien Grall <julien.grall@linaro.org>
Acked-by: Ian Campbell <ian.campbell@citrix.com>

diff --git a/xen/arch/arm/setup.c b/xen/arch/arm/setup.c
index 840b04b6c358fbd570107ce4a7d35171030263fd..9480f42cac6640bba224042d1af9aac6fc179383 100644 (file)
--- a/xen/arch/arm/setup.c
+++ b/xen/arch/arm/setup.c
@@ -764,10 +764,8 @@ void __init start_xen(unsigned long boot_phys_offset,
     if ( construct_dom0(dom0) != 0)
             panic("Could not set up DOM0 guest OS");
 
-    /* Scrub RAM that is still free and so may go to an unprivileged domain.
-       XXX too slow in simulator
-       scrub_heap_pages();
-    */
+    /* Scrub RAM that is still free and so may go to an unprivileged domain. */
+    scrub_heap_pages();
 
     init_constructors();