Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
Merge tag 's390-6.0-5' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fix from Vasily Gorbik:
- Fix potential hangs in VFIO AP driver
* tag 's390-6.0-5' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/vfio-ap: bypass unnecessary processing of AP resources
+30
+30
drivers/s390/crypto/vfio_ap_ops.c
+30
drivers/s390/crypto/vfio_ap_ops.c
···
984
984
goto done;
985
985
}
986
986
987
+
if (test_bit_inv(apid, matrix_mdev->matrix.apm)) {
988
+
ret = count;
989
+
goto done;
990
+
}
991
+
987
992
set_bit_inv(apid, matrix_mdev->matrix.apm);
988
993
989
994
ret = vfio_ap_mdev_validate_masks(matrix_mdev);
···
1114
1109
goto done;
1115
1110
}
1116
1111
1112
+
if (!test_bit_inv(apid, matrix_mdev->matrix.apm)) {
1113
+
ret = count;
1114
+
goto done;
1115
+
}
1116
+
1117
1117
clear_bit_inv((unsigned long)apid, matrix_mdev->matrix.apm);
1118
1118
vfio_ap_mdev_hot_unplug_adapter(matrix_mdev, apid);
1119
1119
ret = count;
···
1190
1180
1191
1181
if (apqi > matrix_mdev->matrix.aqm_max) {
1192
1182
ret = -ENODEV;
1183
+
goto done;
1184
+
}
1185
+
1186
+
if (test_bit_inv(apqi, matrix_mdev->matrix.aqm)) {
1187
+
ret = count;
1193
1188
goto done;
1194
1189
}
1195
1190
···
1301
1286
goto done;
1302
1287
}
1303
1288
1289
+
if (!test_bit_inv(apqi, matrix_mdev->matrix.aqm)) {
1290
+
ret = count;
1291
+
goto done;
1292
+
}
1293
+
1304
1294
clear_bit_inv((unsigned long)apqi, matrix_mdev->matrix.aqm);
1305
1295
vfio_ap_mdev_hot_unplug_domain(matrix_mdev, apqi);
1306
1296
ret = count;
···
1346
1326
1347
1327
if (id > matrix_mdev->matrix.adm_max) {
1348
1328
ret = -ENODEV;
1329
+
goto done;
1330
+
}
1331
+
1332
+
if (test_bit_inv(id, matrix_mdev->matrix.adm)) {
1333
+
ret = count;
1349
1334
goto done;
1350
1335
}
1351
1336
···
1400
1375
1401
1376
if (domid > matrix_mdev->matrix.adm_max) {
1402
1377
ret = -ENODEV;
1378
+
goto done;
1379
+
}
1380
+
1381
+
if (!test_bit_inv(domid, matrix_mdev->matrix.adm)) {
1382
+
ret = count;
1403
1383
goto done;
1404
1384
}
1405
1385