Let's dirty the fpc, before we test if the initial reset sets it to 0. Signed-off-by: Janosch Frank <frankja@xxxxxxxxxxxxx> --- s390x/smp.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/s390x/smp.c b/s390x/smp.c index 11ab425..cd32342 100644 --- a/s390x/smp.c +++ b/s390x/smp.c @@ -177,6 +177,9 @@ static void test_emcall(void) static void test_func_initial(void) { + asm volatile( + " sfpc %0\n" + : : "d" (0x11) : ); lctlg(1, 0x42000UL); lctlg(7, 0x43000UL); lctlg(13, 0x44000UL); -- 2.20.1