stacktool reports the following false positive warning:
stacktool: arch/x86/xen/enlighten.o: xen_cpuid()+0x41: can't find jump dest
instruction at .text+0x108
The warning is due to xen_cpuid()'s use of XEN_EMULATE_PREFIX to insert
some fake instructions which stacktool doesn't know how to decode.
Signed-off-by: Josh Poimboeuf <jpoim...@redhat.com>
Cc: David Vrabel <david.vra...@citrix.com>
Cc: Konrad Rzeszutek Wilk <konrad.w...@oracle.com>
Cc: Boris Ostrovsky <boris.ostrov...@oracle.com>
---
arch/x86/xen/enlighten.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index d09e4c9..7ba9520 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -32,6 +32,7 @@
#include <linux/gfp.h>
#include <linux/memblock.h>
#include <linux/edd.h>
+#include <linux/stacktool.h>
#ifdef CONFIG_KEXEC_CORE
#include <linux/kexec.h>
@@ -351,8 +352,8 @@ static void xen_cpuid(unsigned int *ax, unsigned int *bx,
*cx &= maskecx;
*cx |= setecx;
*dx &= maskedx;
-
}
+STACKTOOL_IGNORE_FUNC(xen_cpuid);
static bool __init xen_check_mwait(void)
{
--
2.4.3
