It's a base + displacement address so we need to address it via 0(%[addr]). Signed-off-by: Janosch Frank <frankja@xxxxxxxxxxxxx> --- s390x/skrf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/s390x/skrf.c b/s390x/skrf.c index 8ca7588c..84fb762c 100644 --- a/s390x/skrf.c +++ b/s390x/skrf.c @@ -103,7 +103,7 @@ static void test_tprot(void) { report_prefix_push("tprot"); expect_pgm_int(); - asm volatile("tprot %[addr],0xf0(0)\n" + asm volatile("tprot 0(%[addr]),0xf0(0)\n" : : [addr] "a" (pagebuf) : ); check_pgm_int_code(PGM_INT_CODE_SPECIAL_OPERATION); report_prefix_pop(); -- 2.30.2