Let's not get bitten by an extension of the query struct and handle the rc 0x100 error properly which does indicate that the UV has more data for us. Signed-off-by: Janosch Frank <frankja@xxxxxxxxxxxxx> Reviewed-by: Claudio Imbrenda <imbrenda@xxxxxxxxxxxxx> --- lib/s390x/uv.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/lib/s390x/uv.c b/lib/s390x/uv.c index fd9de944..c5c69c47 100644 --- a/lib/s390x/uv.c +++ b/lib/s390x/uv.c @@ -49,6 +49,8 @@ int uv_setup(void) if (!test_facility(158)) return 0; - assert(!uv_call(0, (u64)&uvcb_qui)); + uv_call(0, (u64)&uvcb_qui); + + assert(uvcb_qui.header.rc == 1 || uvcb_qui.header.rc == 0x100); return 1; } -- 2.31.1