TEID data is specified in the Principles of Operation as bits so it makes more sens to test the bits instead of anding the mask. We need to set -Wno-address-of-packed-member since for test bit we take an address of a struct lowcore member. Signed-off-by: Janosch Frank <frankja@xxxxxxxxxxxxx> --- lib/s390x/interrupt.c | 5 +++-- s390x/Makefile | 1 + 2 files changed, 4 insertions(+), 2 deletions(-) diff --git a/lib/s390x/interrupt.c b/lib/s390x/interrupt.c index 1248bceb..e05c212e 100644 --- a/lib/s390x/interrupt.c +++ b/lib/s390x/interrupt.c @@ -8,6 +8,7 @@ * David Hildenbrand <david@xxxxxxxxxx> */ #include <libcflat.h> +#include <bitops.h> #include <asm/barrier.h> #include <sclp.h> #include <interrupt.h> @@ -77,8 +78,8 @@ static void fixup_pgm_int(struct stack_frame_int *stack) break; case PGM_INT_CODE_PROTECTION: /* Handling for iep.c test case. */ - if (lc->trans_exc_id & 0x80UL && lc->trans_exc_id & 0x04UL && - !(lc->trans_exc_id & 0x08UL)) + if (test_bit_inv(56, &lc->trans_exc_id) && test_bit_inv(61, &lc->trans_exc_id) && + !test_bit_inv(60, &lc->trans_exc_id)) /* * We branched to the instruction that caused * the exception so we can use the return diff --git a/s390x/Makefile b/s390x/Makefile index ef8041a6..d260b336 100644 --- a/s390x/Makefile +++ b/s390x/Makefile @@ -45,6 +45,7 @@ CFLAGS += -O2 CFLAGS += -march=zEC12 CFLAGS += -mbackchain CFLAGS += -fno-delete-null-pointer-checks +CFLAGS += -Wno-address-of-packed-member LDFLAGS += -nostdlib -Wl,--build-id=none # We want to keep intermediate files -- 2.30.2
