[kvm-unit-tests PATCH v3 9/9] s390x: smp: Dirty fpc before initial reset test

Janosch Frank
2020-01-17T10:47:12Z

Let's dirty the fpc, before we test if the initial reset sets it to 0.

Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
---
s390x/smp.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/s390x/smp.c b/s390x/smp.c
index 1385488..aedcd65 100644
--- a/s390x/smp.c
+++ b/s390x/smp.c
@@ -172,6 +172,7 @@ 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" :: "d" (0x11));
lctlg(1, 0x42000UL);
lctlg(7, 0x43000UL);
lctlg(13, 0x44000UL);
--
2.20.1