On Mon, 18 Jan 2021 10:09:22 -0500 Janosch Frank <frankja@xxxxxxxxxxxxx> wrote: > On a program exception we usually skip the instruction that caused the > exception and continue. That won't work for UV calls since a "brc > 3,0b" will retry the instruction if the CC is > 1. Let's forgo the brc > when checking for privilege exceptions and use a uv_call_once(). > > Signed-off-by: Janosch Frank <frankja@xxxxxxxxxxxxx> > Suggested-by: Claudio Imbrenda <imbrenda@xxxxxxxxxxxxx> > > --- > lib/s390x/asm/uv.h | 24 ++++++++++++++++-------- > s390x/uv-guest.c | 6 +++--- > 2 files changed, 19 insertions(+), 11 deletions(-) Reviewed-by: Cornelia Huck <cohuck@xxxxxxxxxx>
