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Diffstat (limited to 'arch/x86/platform/pvh/enlighten.c')
-rw-r--r--arch/x86/platform/pvh/enlighten.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/arch/x86/platform/pvh/enlighten.c b/arch/x86/platform/pvh/enlighten.c
index ed0442e35434..2263885d16ba 100644
--- a/arch/x86/platform/pvh/enlighten.c
+++ b/arch/x86/platform/pvh/enlighten.c
@@ -3,6 +3,7 @@
#include <xen/hvc-console.h>
+#include <asm/bootparam.h>
#include <asm/io_apic.h>
#include <asm/hypervisor.h>
#include <asm/e820/api.h>
@@ -86,7 +87,7 @@ static void __init init_pvh_bootparams(bool xen_guest)
}
/*
- * See Documentation/x86/boot.rst.
+ * See Documentation/arch/x86/boot.rst.
*
* Version 2.12 supports Xen entry point but we will use default x86/PC
* environment (i.e. hardware_subarch 0).
@@ -129,7 +130,11 @@ void __init xen_prepare_pvh(void)
BUG();
}
- memset(&pvh_bootparams, 0, sizeof(pvh_bootparams));
+ /*
+ * This must not compile to "call memset" because memset() may be
+ * instrumented.
+ */
+ __builtin_memset(&pvh_bootparams, 0, sizeof(pvh_bootparams));
hypervisor_specific_init(xen_guest);