[kvm-unit-tests PATCH v2 7/7] s390x: smp: Dirty fpc before initial reset test

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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




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