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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: WHL8PnJq_PXkRo7KmnUMgwoh5b_PM42l X-Proofpoint-ORIG-GUID: ShT63k2uSeU6zxInlV7y98RC2ZCvih3t X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.28.16 definitions=2024-07-25_11,2024-07-25_03,2024-05-17_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 spamscore=0 impostorscore=0 mlxlogscore=999 clxscore=1015 adultscore=0 mlxscore=0 priorityscore=1501 lowpriorityscore=0 bulkscore=0 malwarescore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2407110000 definitions=main-2407250081 On 7/23/24 11:31, Christoph Schlameuss wrote: > Add test case running code interacting with registers within a > ucontrol VM. > > * Add uc_gprs test case > > The test uses the same VM setup using the fixture and debug macros > introduced in earlier patches in this series. > > Signed-off-by: Christoph Schlameuss > --- > .../selftests/kvm/s390x/ucontrol_test.c | 132 ++++++++++++++++++ > 1 file changed, 132 insertions(+) > > diff --git a/tools/testing/selftests/kvm/s390x/ucontrol_test.c b/tools/testing/selftests/kvm/s390x/ucontrol_test.c > index 527c431a9758..c98d5a3a315b 100644 > --- a/tools/testing/selftests/kvm/s390x/ucontrol_test.c > +++ b/tools/testing/selftests/kvm/s390x/ucontrol_test.c > @@ -43,6 +43,23 @@ void require_ucontrol_admin(void) > TEST_REQUIRE(kvm_has_cap(KVM_CAP_S390_UCONTROL)); > } > > +/* Test program setting some registers and looping */ > +extern char test_gprs_pgm[]; > +asm("test_gprs_pgm:\n" > + "xgr %r0, %r0\n" > + "lgfi %r1,1\n" [...] Naming something PGM for handling anything else than Program Exceptions is not recommendable. PGM has been a stable name on s390 for code related to PGM exceptions When first reading this I expected to find some kind of exception code.