Let's dirty the fpc, before we test if the initial reset sets it to 0. Signed-off-by: Janosch Frank <frankja@xxxxxxxxxxxxx> Reviewed-by: Thomas Huth <thuth@xxxxxxxxxx> Reviewed-by: Cornelia Huck <cohuck@xxxxxxxxxx> --- s390x/smp.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/s390x/smp.c b/s390x/smp.c index ce3215d..97a9dda 100644 --- a/s390x/smp.c +++ b/s390x/smp.c @@ -179,6 +179,9 @@ static void test_emcall(void) /* Used to dirty registers of cpu #1 before it is reset */ 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