* arch/arm64/kvm/sys_regs.c:1544:13: warning: initialized field overwritten
@ 2021-07-01 10:45 kernel test robot
2021-07-02 8:55 ` [kbuild-all] " Rong Chen
0 siblings, 1 reply; 4+ messages in thread
From: kernel test robot @ 2021-07-01 10:45 UTC (permalink / raw)
To: Marc Zyngier; +Cc: kbuild-all, linux-kernel
[-- Attachment #1: Type: text/plain, Size: 20586 bytes --]
Hi Marc,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: dbe69e43372212527abf48609aba7fc39a6daa27
commit: 11663111cd49b4c6dd27479774e420f139e4c447 KVM: arm64: Hide PMU registers from userspace when not available
date: 6 months ago
config: arm64-buildonly-randconfig-r002-20210701 (attached as .config)
compiler: aarch64-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=11663111cd49b4c6dd27479774e420f139e4c447
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 11663111cd49b4c6dd27479774e420f139e4c447
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> arch/arm64/kvm/sys_regs.c:1544:13: warning: initialized field overwritten [-Woverride-init]
1544 | .reset = reset_pmcr, .reg = PMCR_EL0 },
| ^~~~~~~~~~
arch/arm64/kvm/sys_regs.c:1544:13: note: (near initialization for 'sys_reg_descs[203].reset')
In file included from include/uapi/linux/posix_types.h:5,
from include/uapi/linux/types.h:14,
from include/linux/types.h:6,
from include/linux/bsearch.h:5,
from arch/arm64/kvm/sys_regs.c:12:
include/linux/stddef.h:8:14: warning: initialized field overwritten [-Woverride-init]
8 | #define NULL ((void *)0)
| ^
arch/arm64/kvm/sys_regs.c:1556:38: note: in expansion of macro 'NULL'
1556 | .access = access_pmceid, .reset = NULL },
| ^~~~
include/linux/stddef.h:8:14: note: (near initialization for 'sys_reg_descs[209].reset')
8 | #define NULL ((void *)0)
| ^
arch/arm64/kvm/sys_regs.c:1556:38: note: in expansion of macro 'NULL'
1556 | .access = access_pmceid, .reset = NULL },
| ^~~~
include/linux/stddef.h:8:14: warning: initialized field overwritten [-Woverride-init]
8 | #define NULL ((void *)0)
| ^
arch/arm64/kvm/sys_regs.c:1558:38: note: in expansion of macro 'NULL'
1558 | .access = access_pmceid, .reset = NULL },
| ^~~~
include/linux/stddef.h:8:14: note: (near initialization for 'sys_reg_descs[210].reset')
8 | #define NULL ((void *)0)
| ^
arch/arm64/kvm/sys_regs.c:1558:38: note: in expansion of macro 'NULL'
1558 | .access = access_pmceid, .reset = NULL },
| ^~~~
include/linux/stddef.h:8:14: warning: initialized field overwritten [-Woverride-init]
8 | #define NULL ((void *)0)
| ^
arch/arm64/kvm/sys_regs.c:1562:43: note: in expansion of macro 'NULL'
1562 | .access = access_pmu_evtyper, .reset = NULL },
| ^~~~
include/linux/stddef.h:8:14: note: (near initialization for 'sys_reg_descs[212].reset')
8 | #define NULL ((void *)0)
| ^
arch/arm64/kvm/sys_regs.c:1562:43: note: in expansion of macro 'NULL'
1562 | .access = access_pmu_evtyper, .reset = NULL },
| ^~~~
include/linux/stddef.h:8:14: warning: initialized field overwritten [-Woverride-init]
8 | #define NULL ((void *)0)
| ^
arch/arm64/kvm/sys_regs.c:1564:42: note: in expansion of macro 'NULL'
1564 | .access = access_pmu_evcntr, .reset = NULL },
| ^~~~
include/linux/stddef.h:8:14: note: (near initialization for 'sys_reg_descs[213].reset')
8 | #define NULL ((void *)0)
| ^
arch/arm64/kvm/sys_regs.c:1564:42: note: in expansion of macro 'NULL'
1564 | .access = access_pmu_evcntr, .reset = NULL },
| ^~~~
arch/arm64/kvm/sys_regs.c:1570:13: warning: initialized field overwritten [-Woverride-init]
1570 | .reset = reset_val, .reg = PMUSERENR_EL0, .val = 0 },
| ^~~~~~~~~
arch/arm64/kvm/sys_regs.c:1570:13: note: (near initialization for 'sys_reg_descs[214].reset')
arch/arm64/kvm/sys_regs.c:1725:13: warning: initialized field overwritten [-Woverride-init]
1725 | .reset = reset_val, .reg = PMCCFILTR_EL0, .val = 0 },
| ^~~~~~~~~
arch/arm64/kvm/sys_regs.c:1725:13: note: (near initialization for 'sys_reg_descs[356].reset')
vim +1544 arch/arm64/kvm/sys_regs.c
1332
1333 /*
1334 * Architected system registers.
1335 * Important: Must be sorted ascending by Op0, Op1, CRn, CRm, Op2
1336 *
1337 * Debug handling: We do trap most, if not all debug related system
1338 * registers. The implementation is good enough to ensure that a guest
1339 * can use these with minimal performance degradation. The drawback is
1340 * that we don't implement any of the external debug, none of the
1341 * OSlock protocol. This should be revisited if we ever encounter a
1342 * more demanding guest...
1343 */
1344 static const struct sys_reg_desc sys_reg_descs[] = {
1345 { SYS_DESC(SYS_DC_ISW), access_dcsw },
1346 { SYS_DESC(SYS_DC_CSW), access_dcsw },
1347 { SYS_DESC(SYS_DC_CISW), access_dcsw },
1348
1349 DBG_BCR_BVR_WCR_WVR_EL1(0),
1350 DBG_BCR_BVR_WCR_WVR_EL1(1),
1351 { SYS_DESC(SYS_MDCCINT_EL1), trap_debug_regs, reset_val, MDCCINT_EL1, 0 },
1352 { SYS_DESC(SYS_MDSCR_EL1), trap_debug_regs, reset_val, MDSCR_EL1, 0 },
1353 DBG_BCR_BVR_WCR_WVR_EL1(2),
1354 DBG_BCR_BVR_WCR_WVR_EL1(3),
1355 DBG_BCR_BVR_WCR_WVR_EL1(4),
1356 DBG_BCR_BVR_WCR_WVR_EL1(5),
1357 DBG_BCR_BVR_WCR_WVR_EL1(6),
1358 DBG_BCR_BVR_WCR_WVR_EL1(7),
1359 DBG_BCR_BVR_WCR_WVR_EL1(8),
1360 DBG_BCR_BVR_WCR_WVR_EL1(9),
1361 DBG_BCR_BVR_WCR_WVR_EL1(10),
1362 DBG_BCR_BVR_WCR_WVR_EL1(11),
1363 DBG_BCR_BVR_WCR_WVR_EL1(12),
1364 DBG_BCR_BVR_WCR_WVR_EL1(13),
1365 DBG_BCR_BVR_WCR_WVR_EL1(14),
1366 DBG_BCR_BVR_WCR_WVR_EL1(15),
1367
1368 { SYS_DESC(SYS_MDRAR_EL1), trap_raz_wi },
1369 { SYS_DESC(SYS_OSLAR_EL1), trap_raz_wi },
1370 { SYS_DESC(SYS_OSLSR_EL1), trap_oslsr_el1 },
1371 { SYS_DESC(SYS_OSDLR_EL1), trap_raz_wi },
1372 { SYS_DESC(SYS_DBGPRCR_EL1), trap_raz_wi },
1373 { SYS_DESC(SYS_DBGCLAIMSET_EL1), trap_raz_wi },
1374 { SYS_DESC(SYS_DBGCLAIMCLR_EL1), trap_raz_wi },
1375 { SYS_DESC(SYS_DBGAUTHSTATUS_EL1), trap_dbgauthstatus_el1 },
1376
1377 { SYS_DESC(SYS_MDCCSR_EL0), trap_raz_wi },
1378 { SYS_DESC(SYS_DBGDTR_EL0), trap_raz_wi },
1379 // DBGDTR[TR]X_EL0 share the same encoding
1380 { SYS_DESC(SYS_DBGDTRTX_EL0), trap_raz_wi },
1381
1382 { SYS_DESC(SYS_DBGVCR32_EL2), NULL, reset_val, DBGVCR32_EL2, 0 },
1383
1384 { SYS_DESC(SYS_MPIDR_EL1), NULL, reset_mpidr, MPIDR_EL1 },
1385
1386 /*
1387 * ID regs: all ID_SANITISED() entries here must have corresponding
1388 * entries in arm64_ftr_regs[].
1389 */
1390
1391 /* AArch64 mappings of the AArch32 ID registers */
1392 /* CRm=1 */
1393 ID_SANITISED(ID_PFR0_EL1),
1394 ID_SANITISED(ID_PFR1_EL1),
1395 ID_SANITISED(ID_DFR0_EL1),
1396 ID_HIDDEN(ID_AFR0_EL1),
1397 ID_SANITISED(ID_MMFR0_EL1),
1398 ID_SANITISED(ID_MMFR1_EL1),
1399 ID_SANITISED(ID_MMFR2_EL1),
1400 ID_SANITISED(ID_MMFR3_EL1),
1401
1402 /* CRm=2 */
1403 ID_SANITISED(ID_ISAR0_EL1),
1404 ID_SANITISED(ID_ISAR1_EL1),
1405 ID_SANITISED(ID_ISAR2_EL1),
1406 ID_SANITISED(ID_ISAR3_EL1),
1407 ID_SANITISED(ID_ISAR4_EL1),
1408 ID_SANITISED(ID_ISAR5_EL1),
1409 ID_SANITISED(ID_MMFR4_EL1),
1410 ID_SANITISED(ID_ISAR6_EL1),
1411
1412 /* CRm=3 */
1413 ID_SANITISED(MVFR0_EL1),
1414 ID_SANITISED(MVFR1_EL1),
1415 ID_SANITISED(MVFR2_EL1),
1416 ID_UNALLOCATED(3,3),
1417 ID_SANITISED(ID_PFR2_EL1),
1418 ID_HIDDEN(ID_DFR1_EL1),
1419 ID_SANITISED(ID_MMFR5_EL1),
1420 ID_UNALLOCATED(3,7),
1421
1422 /* AArch64 ID registers */
1423 /* CRm=4 */
1424 { SYS_DESC(SYS_ID_AA64PFR0_EL1), .access = access_id_reg,
1425 .get_user = get_id_reg, .set_user = set_id_aa64pfr0_el1, },
1426 ID_SANITISED(ID_AA64PFR1_EL1),
1427 ID_UNALLOCATED(4,2),
1428 ID_UNALLOCATED(4,3),
1429 ID_SANITISED(ID_AA64ZFR0_EL1),
1430 ID_UNALLOCATED(4,5),
1431 ID_UNALLOCATED(4,6),
1432 ID_UNALLOCATED(4,7),
1433
1434 /* CRm=5 */
1435 ID_SANITISED(ID_AA64DFR0_EL1),
1436 ID_SANITISED(ID_AA64DFR1_EL1),
1437 ID_UNALLOCATED(5,2),
1438 ID_UNALLOCATED(5,3),
1439 ID_HIDDEN(ID_AA64AFR0_EL1),
1440 ID_HIDDEN(ID_AA64AFR1_EL1),
1441 ID_UNALLOCATED(5,6),
1442 ID_UNALLOCATED(5,7),
1443
1444 /* CRm=6 */
1445 ID_SANITISED(ID_AA64ISAR0_EL1),
1446 ID_SANITISED(ID_AA64ISAR1_EL1),
1447 ID_UNALLOCATED(6,2),
1448 ID_UNALLOCATED(6,3),
1449 ID_UNALLOCATED(6,4),
1450 ID_UNALLOCATED(6,5),
1451 ID_UNALLOCATED(6,6),
1452 ID_UNALLOCATED(6,7),
1453
1454 /* CRm=7 */
1455 ID_SANITISED(ID_AA64MMFR0_EL1),
1456 ID_SANITISED(ID_AA64MMFR1_EL1),
1457 ID_SANITISED(ID_AA64MMFR2_EL1),
1458 ID_UNALLOCATED(7,3),
1459 ID_UNALLOCATED(7,4),
1460 ID_UNALLOCATED(7,5),
1461 ID_UNALLOCATED(7,6),
1462 ID_UNALLOCATED(7,7),
1463
1464 { SYS_DESC(SYS_SCTLR_EL1), access_vm_reg, reset_val, SCTLR_EL1, 0x00C50078 },
1465 { SYS_DESC(SYS_ACTLR_EL1), access_actlr, reset_actlr, ACTLR_EL1 },
1466 { SYS_DESC(SYS_CPACR_EL1), NULL, reset_val, CPACR_EL1, 0 },
1467
1468 { SYS_DESC(SYS_RGSR_EL1), undef_access },
1469 { SYS_DESC(SYS_GCR_EL1), undef_access },
1470
1471 { SYS_DESC(SYS_ZCR_EL1), NULL, reset_val, ZCR_EL1, 0, .visibility = sve_visibility },
1472 { SYS_DESC(SYS_TTBR0_EL1), access_vm_reg, reset_unknown, TTBR0_EL1 },
1473 { SYS_DESC(SYS_TTBR1_EL1), access_vm_reg, reset_unknown, TTBR1_EL1 },
1474 { SYS_DESC(SYS_TCR_EL1), access_vm_reg, reset_val, TCR_EL1, 0 },
1475
1476 PTRAUTH_KEY(APIA),
1477 PTRAUTH_KEY(APIB),
1478 PTRAUTH_KEY(APDA),
1479 PTRAUTH_KEY(APDB),
1480 PTRAUTH_KEY(APGA),
1481
1482 { SYS_DESC(SYS_AFSR0_EL1), access_vm_reg, reset_unknown, AFSR0_EL1 },
1483 { SYS_DESC(SYS_AFSR1_EL1), access_vm_reg, reset_unknown, AFSR1_EL1 },
1484 { SYS_DESC(SYS_ESR_EL1), access_vm_reg, reset_unknown, ESR_EL1 },
1485
1486 { SYS_DESC(SYS_ERRIDR_EL1), trap_raz_wi },
1487 { SYS_DESC(SYS_ERRSELR_EL1), trap_raz_wi },
1488 { SYS_DESC(SYS_ERXFR_EL1), trap_raz_wi },
1489 { SYS_DESC(SYS_ERXCTLR_EL1), trap_raz_wi },
1490 { SYS_DESC(SYS_ERXSTATUS_EL1), trap_raz_wi },
1491 { SYS_DESC(SYS_ERXADDR_EL1), trap_raz_wi },
1492 { SYS_DESC(SYS_ERXMISC0_EL1), trap_raz_wi },
1493 { SYS_DESC(SYS_ERXMISC1_EL1), trap_raz_wi },
1494
1495 { SYS_DESC(SYS_TFSR_EL1), undef_access },
1496 { SYS_DESC(SYS_TFSRE0_EL1), undef_access },
1497
1498 { SYS_DESC(SYS_FAR_EL1), access_vm_reg, reset_unknown, FAR_EL1 },
1499 { SYS_DESC(SYS_PAR_EL1), NULL, reset_unknown, PAR_EL1 },
1500
1501 { PMU_SYS_REG(SYS_PMINTENSET_EL1),
1502 .access = access_pminten, .reg = PMINTENSET_EL1 },
1503 { PMU_SYS_REG(SYS_PMINTENCLR_EL1),
1504 .access = access_pminten, .reg = PMINTENSET_EL1 },
1505
1506 { SYS_DESC(SYS_MAIR_EL1), access_vm_reg, reset_unknown, MAIR_EL1 },
1507 { SYS_DESC(SYS_AMAIR_EL1), access_vm_reg, reset_amair_el1, AMAIR_EL1 },
1508
1509 { SYS_DESC(SYS_LORSA_EL1), trap_loregion },
1510 { SYS_DESC(SYS_LOREA_EL1), trap_loregion },
1511 { SYS_DESC(SYS_LORN_EL1), trap_loregion },
1512 { SYS_DESC(SYS_LORC_EL1), trap_loregion },
1513 { SYS_DESC(SYS_LORID_EL1), trap_loregion },
1514
1515 { SYS_DESC(SYS_VBAR_EL1), NULL, reset_val, VBAR_EL1, 0 },
1516 { SYS_DESC(SYS_DISR_EL1), NULL, reset_val, DISR_EL1, 0 },
1517
1518 { SYS_DESC(SYS_ICC_IAR0_EL1), write_to_read_only },
1519 { SYS_DESC(SYS_ICC_EOIR0_EL1), read_from_write_only },
1520 { SYS_DESC(SYS_ICC_HPPIR0_EL1), write_to_read_only },
1521 { SYS_DESC(SYS_ICC_DIR_EL1), read_from_write_only },
1522 { SYS_DESC(SYS_ICC_RPR_EL1), write_to_read_only },
1523 { SYS_DESC(SYS_ICC_SGI1R_EL1), access_gic_sgi },
1524 { SYS_DESC(SYS_ICC_ASGI1R_EL1), access_gic_sgi },
1525 { SYS_DESC(SYS_ICC_SGI0R_EL1), access_gic_sgi },
1526 { SYS_DESC(SYS_ICC_IAR1_EL1), write_to_read_only },
1527 { SYS_DESC(SYS_ICC_EOIR1_EL1), read_from_write_only },
1528 { SYS_DESC(SYS_ICC_HPPIR1_EL1), write_to_read_only },
1529 { SYS_DESC(SYS_ICC_SRE_EL1), access_gic_sre },
1530
1531 { SYS_DESC(SYS_CONTEXTIDR_EL1), access_vm_reg, reset_val, CONTEXTIDR_EL1, 0 },
1532 { SYS_DESC(SYS_TPIDR_EL1), NULL, reset_unknown, TPIDR_EL1 },
1533
1534 { SYS_DESC(SYS_SCXTNUM_EL1), undef_access },
1535
1536 { SYS_DESC(SYS_CNTKCTL_EL1), NULL, reset_val, CNTKCTL_EL1, 0},
1537
1538 { SYS_DESC(SYS_CCSIDR_EL1), access_ccsidr },
1539 { SYS_DESC(SYS_CLIDR_EL1), access_clidr },
1540 { SYS_DESC(SYS_CSSELR_EL1), access_csselr, reset_unknown, CSSELR_EL1 },
1541 { SYS_DESC(SYS_CTR_EL0), access_ctr },
1542
1543 { PMU_SYS_REG(SYS_PMCR_EL0), .access = access_pmcr,
> 1544 .reset = reset_pmcr, .reg = PMCR_EL0 },
1545 { PMU_SYS_REG(SYS_PMCNTENSET_EL0),
1546 .access = access_pmcnten, .reg = PMCNTENSET_EL0 },
1547 { PMU_SYS_REG(SYS_PMCNTENCLR_EL0),
1548 .access = access_pmcnten, .reg = PMCNTENSET_EL0 },
1549 { PMU_SYS_REG(SYS_PMOVSCLR_EL0),
1550 .access = access_pmovs, .reg = PMOVSSET_EL0 },
1551 { PMU_SYS_REG(SYS_PMSWINC_EL0),
1552 .access = access_pmswinc, .reg = PMSWINC_EL0 },
1553 { PMU_SYS_REG(SYS_PMSELR_EL0),
1554 .access = access_pmselr, .reg = PMSELR_EL0 },
1555 { PMU_SYS_REG(SYS_PMCEID0_EL0),
1556 .access = access_pmceid, .reset = NULL },
1557 { PMU_SYS_REG(SYS_PMCEID1_EL0),
1558 .access = access_pmceid, .reset = NULL },
1559 { PMU_SYS_REG(SYS_PMCCNTR_EL0),
1560 .access = access_pmu_evcntr, .reg = PMCCNTR_EL0 },
1561 { PMU_SYS_REG(SYS_PMXEVTYPER_EL0),
1562 .access = access_pmu_evtyper, .reset = NULL },
1563 { PMU_SYS_REG(SYS_PMXEVCNTR_EL0),
1564 .access = access_pmu_evcntr, .reset = NULL },
1565 /*
1566 * PMUSERENR_EL0 resets as unknown in 64bit mode while it resets as zero
1567 * in 32bit mode. Here we choose to reset it as zero for consistency.
1568 */
1569 { PMU_SYS_REG(SYS_PMUSERENR_EL0), .access = access_pmuserenr,
1570 .reset = reset_val, .reg = PMUSERENR_EL0, .val = 0 },
1571 { PMU_SYS_REG(SYS_PMOVSSET_EL0),
1572 .access = access_pmovs, .reg = PMOVSSET_EL0 },
1573
1574 { SYS_DESC(SYS_TPIDR_EL0), NULL, reset_unknown, TPIDR_EL0 },
1575 { SYS_DESC(SYS_TPIDRRO_EL0), NULL, reset_unknown, TPIDRRO_EL0 },
1576
1577 { SYS_DESC(SYS_SCXTNUM_EL0), undef_access },
1578
1579 { SYS_DESC(SYS_AMCR_EL0), undef_access },
1580 { SYS_DESC(SYS_AMCFGR_EL0), undef_access },
1581 { SYS_DESC(SYS_AMCGCR_EL0), undef_access },
1582 { SYS_DESC(SYS_AMUSERENR_EL0), undef_access },
1583 { SYS_DESC(SYS_AMCNTENCLR0_EL0), undef_access },
1584 { SYS_DESC(SYS_AMCNTENSET0_EL0), undef_access },
1585 { SYS_DESC(SYS_AMCNTENCLR1_EL0), undef_access },
1586 { SYS_DESC(SYS_AMCNTENSET1_EL0), undef_access },
1587 AMU_AMEVCNTR0_EL0(0),
1588 AMU_AMEVCNTR0_EL0(1),
1589 AMU_AMEVCNTR0_EL0(2),
1590 AMU_AMEVCNTR0_EL0(3),
1591 AMU_AMEVCNTR0_EL0(4),
1592 AMU_AMEVCNTR0_EL0(5),
1593 AMU_AMEVCNTR0_EL0(6),
1594 AMU_AMEVCNTR0_EL0(7),
1595 AMU_AMEVCNTR0_EL0(8),
1596 AMU_AMEVCNTR0_EL0(9),
1597 AMU_AMEVCNTR0_EL0(10),
1598 AMU_AMEVCNTR0_EL0(11),
1599 AMU_AMEVCNTR0_EL0(12),
1600 AMU_AMEVCNTR0_EL0(13),
1601 AMU_AMEVCNTR0_EL0(14),
1602 AMU_AMEVCNTR0_EL0(15),
1603 AMU_AMEVTYPER0_EL0(0),
1604 AMU_AMEVTYPER0_EL0(1),
1605 AMU_AMEVTYPER0_EL0(2),
1606 AMU_AMEVTYPER0_EL0(3),
1607 AMU_AMEVTYPER0_EL0(4),
1608 AMU_AMEVTYPER0_EL0(5),
1609 AMU_AMEVTYPER0_EL0(6),
1610 AMU_AMEVTYPER0_EL0(7),
1611 AMU_AMEVTYPER0_EL0(8),
1612 AMU_AMEVTYPER0_EL0(9),
1613 AMU_AMEVTYPER0_EL0(10),
1614 AMU_AMEVTYPER0_EL0(11),
1615 AMU_AMEVTYPER0_EL0(12),
1616 AMU_AMEVTYPER0_EL0(13),
1617 AMU_AMEVTYPER0_EL0(14),
1618 AMU_AMEVTYPER0_EL0(15),
1619 AMU_AMEVCNTR1_EL0(0),
1620 AMU_AMEVCNTR1_EL0(1),
1621 AMU_AMEVCNTR1_EL0(2),
1622 AMU_AMEVCNTR1_EL0(3),
1623 AMU_AMEVCNTR1_EL0(4),
1624 AMU_AMEVCNTR1_EL0(5),
1625 AMU_AMEVCNTR1_EL0(6),
1626 AMU_AMEVCNTR1_EL0(7),
1627 AMU_AMEVCNTR1_EL0(8),
1628 AMU_AMEVCNTR1_EL0(9),
1629 AMU_AMEVCNTR1_EL0(10),
1630 AMU_AMEVCNTR1_EL0(11),
1631 AMU_AMEVCNTR1_EL0(12),
1632 AMU_AMEVCNTR1_EL0(13),
1633 AMU_AMEVCNTR1_EL0(14),
1634 AMU_AMEVCNTR1_EL0(15),
1635 AMU_AMEVTYPER1_EL0(0),
1636 AMU_AMEVTYPER1_EL0(1),
1637 AMU_AMEVTYPER1_EL0(2),
1638 AMU_AMEVTYPER1_EL0(3),
1639 AMU_AMEVTYPER1_EL0(4),
1640 AMU_AMEVTYPER1_EL0(5),
1641 AMU_AMEVTYPER1_EL0(6),
1642 AMU_AMEVTYPER1_EL0(7),
1643 AMU_AMEVTYPER1_EL0(8),
1644 AMU_AMEVTYPER1_EL0(9),
1645 AMU_AMEVTYPER1_EL0(10),
1646 AMU_AMEVTYPER1_EL0(11),
1647 AMU_AMEVTYPER1_EL0(12),
1648 AMU_AMEVTYPER1_EL0(13),
1649 AMU_AMEVTYPER1_EL0(14),
1650 AMU_AMEVTYPER1_EL0(15),
1651
1652 { SYS_DESC(SYS_CNTP_TVAL_EL0), access_arch_timer },
1653 { SYS_DESC(SYS_CNTP_CTL_EL0), access_arch_timer },
1654 { SYS_DESC(SYS_CNTP_CVAL_EL0), access_arch_timer },
1655
1656 /* PMEVCNTRn_EL0 */
1657 PMU_PMEVCNTR_EL0(0),
1658 PMU_PMEVCNTR_EL0(1),
1659 PMU_PMEVCNTR_EL0(2),
1660 PMU_PMEVCNTR_EL0(3),
1661 PMU_PMEVCNTR_EL0(4),
1662 PMU_PMEVCNTR_EL0(5),
1663 PMU_PMEVCNTR_EL0(6),
1664 PMU_PMEVCNTR_EL0(7),
1665 PMU_PMEVCNTR_EL0(8),
1666 PMU_PMEVCNTR_EL0(9),
1667 PMU_PMEVCNTR_EL0(10),
1668 PMU_PMEVCNTR_EL0(11),
1669 PMU_PMEVCNTR_EL0(12),
1670 PMU_PMEVCNTR_EL0(13),
1671 PMU_PMEVCNTR_EL0(14),
1672 PMU_PMEVCNTR_EL0(15),
1673 PMU_PMEVCNTR_EL0(16),
1674 PMU_PMEVCNTR_EL0(17),
1675 PMU_PMEVCNTR_EL0(18),
1676 PMU_PMEVCNTR_EL0(19),
1677 PMU_PMEVCNTR_EL0(20),
1678 PMU_PMEVCNTR_EL0(21),
1679 PMU_PMEVCNTR_EL0(22),
1680 PMU_PMEVCNTR_EL0(23),
1681 PMU_PMEVCNTR_EL0(24),
1682 PMU_PMEVCNTR_EL0(25),
1683 PMU_PMEVCNTR_EL0(26),
1684 PMU_PMEVCNTR_EL0(27),
1685 PMU_PMEVCNTR_EL0(28),
1686 PMU_PMEVCNTR_EL0(29),
1687 PMU_PMEVCNTR_EL0(30),
1688 /* PMEVTYPERn_EL0 */
1689 PMU_PMEVTYPER_EL0(0),
1690 PMU_PMEVTYPER_EL0(1),
1691 PMU_PMEVTYPER_EL0(2),
1692 PMU_PMEVTYPER_EL0(3),
1693 PMU_PMEVTYPER_EL0(4),
1694 PMU_PMEVTYPER_EL0(5),
1695 PMU_PMEVTYPER_EL0(6),
1696 PMU_PMEVTYPER_EL0(7),
1697 PMU_PMEVTYPER_EL0(8),
1698 PMU_PMEVTYPER_EL0(9),
1699 PMU_PMEVTYPER_EL0(10),
1700 PMU_PMEVTYPER_EL0(11),
1701 PMU_PMEVTYPER_EL0(12),
1702 PMU_PMEVTYPER_EL0(13),
1703 PMU_PMEVTYPER_EL0(14),
1704 PMU_PMEVTYPER_EL0(15),
1705 PMU_PMEVTYPER_EL0(16),
1706 PMU_PMEVTYPER_EL0(17),
1707 PMU_PMEVTYPER_EL0(18),
1708 PMU_PMEVTYPER_EL0(19),
1709 PMU_PMEVTYPER_EL0(20),
1710 PMU_PMEVTYPER_EL0(21),
1711 PMU_PMEVTYPER_EL0(22),
1712 PMU_PMEVTYPER_EL0(23),
1713 PMU_PMEVTYPER_EL0(24),
1714 PMU_PMEVTYPER_EL0(25),
1715 PMU_PMEVTYPER_EL0(26),
1716 PMU_PMEVTYPER_EL0(27),
1717 PMU_PMEVTYPER_EL0(28),
1718 PMU_PMEVTYPER_EL0(29),
1719 PMU_PMEVTYPER_EL0(30),
1720 /*
1721 * PMCCFILTR_EL0 resets as unknown in 64bit mode while it resets as zero
1722 * in 32bit mode. Here we choose to reset it as zero for consistency.
1723 */
1724 { PMU_SYS_REG(SYS_PMCCFILTR_EL0), .access = access_pmu_evtyper,
1725 .reset = reset_val, .reg = PMCCFILTR_EL0, .val = 0 },
1726
1727 { SYS_DESC(SYS_DACR32_EL2), NULL, reset_unknown, DACR32_EL2 },
1728 { SYS_DESC(SYS_IFSR32_EL2), NULL, reset_unknown, IFSR32_EL2 },
1729 { SYS_DESC(SYS_FPEXC32_EL2), NULL, reset_val, FPEXC32_EL2, 0x700 },
1730 };
1731
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 46671 bytes --]
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [kbuild-all] arch/arm64/kvm/sys_regs.c:1544:13: warning: initialized field overwritten
2021-07-01 10:45 arch/arm64/kvm/sys_regs.c:1544:13: warning: initialized field overwritten kernel test robot
@ 2021-07-02 8:55 ` Rong Chen
2021-07-02 10:58 ` Marc Zyngier
0 siblings, 1 reply; 4+ messages in thread
From: Rong Chen @ 2021-07-02 8:55 UTC (permalink / raw)
To: kernel test robot, Marc Zyngier; +Cc: kbuild-all, linux-kernel
Hi Marc,
It looks like another report
https://lore.kernel.org/lkml/202106302037.QmEffgZV-lkp@intel.com/
Do you want us to stop report this commit too?
Best Regards,
Rong Chen
On 7/1/21 6:45 PM, kernel test robot wrote:
> Hi Marc,
>
> FYI, the error/warning still remains.
>
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head: dbe69e43372212527abf48609aba7fc39a6daa27
> commit: 11663111cd49b4c6dd27479774e420f139e4c447 KVM: arm64: Hide PMU registers from userspace when not available
> date: 6 months ago
> config: arm64-buildonly-randconfig-r002-20210701 (attached as .config)
> compiler: aarch64-linux-gcc (GCC) 9.3.0
> reproduce (this is a W=1 build):
> wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
> chmod +x ~/bin/make.cross
> # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=11663111cd49b4c6dd27479774e420f139e4c447
> git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
> git fetch --no-tags linus master
> git checkout 11663111cd49b4c6dd27479774e420f139e4c447
> # save the attached .config to linux build tree
> COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm64
>
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@intel.com>
>
> All warnings (new ones prefixed by >>):
>
>>> arch/arm64/kvm/sys_regs.c:1544:13: warning: initialized field overwritten [-Woverride-init]
> 1544 | .reset = reset_pmcr, .reg = PMCR_EL0 },
> | ^~~~~~~~~~
> arch/arm64/kvm/sys_regs.c:1544:13: note: (near initialization for 'sys_reg_descs[203].reset')
> In file included from include/uapi/linux/posix_types.h:5,
> from include/uapi/linux/types.h:14,
> from include/linux/types.h:6,
> from include/linux/bsearch.h:5,
> from arch/arm64/kvm/sys_regs.c:12:
> include/linux/stddef.h:8:14: warning: initialized field overwritten [-Woverride-init]
> 8 | #define NULL ((void *)0)
> | ^
> arch/arm64/kvm/sys_regs.c:1556:38: note: in expansion of macro 'NULL'
> 1556 | .access = access_pmceid, .reset = NULL },
> | ^~~~
> include/linux/stddef.h:8:14: note: (near initialization for 'sys_reg_descs[209].reset')
> 8 | #define NULL ((void *)0)
> | ^
> arch/arm64/kvm/sys_regs.c:1556:38: note: in expansion of macro 'NULL'
> 1556 | .access = access_pmceid, .reset = NULL },
> | ^~~~
> include/linux/stddef.h:8:14: warning: initialized field overwritten [-Woverride-init]
> 8 | #define NULL ((void *)0)
> | ^
> arch/arm64/kvm/sys_regs.c:1558:38: note: in expansion of macro 'NULL'
> 1558 | .access = access_pmceid, .reset = NULL },
> | ^~~~
> include/linux/stddef.h:8:14: note: (near initialization for 'sys_reg_descs[210].reset')
> 8 | #define NULL ((void *)0)
> | ^
> arch/arm64/kvm/sys_regs.c:1558:38: note: in expansion of macro 'NULL'
> 1558 | .access = access_pmceid, .reset = NULL },
> | ^~~~
> include/linux/stddef.h:8:14: warning: initialized field overwritten [-Woverride-init]
> 8 | #define NULL ((void *)0)
> | ^
> arch/arm64/kvm/sys_regs.c:1562:43: note: in expansion of macro 'NULL'
> 1562 | .access = access_pmu_evtyper, .reset = NULL },
> | ^~~~
> include/linux/stddef.h:8:14: note: (near initialization for 'sys_reg_descs[212].reset')
> 8 | #define NULL ((void *)0)
> | ^
> arch/arm64/kvm/sys_regs.c:1562:43: note: in expansion of macro 'NULL'
> 1562 | .access = access_pmu_evtyper, .reset = NULL },
> | ^~~~
> include/linux/stddef.h:8:14: warning: initialized field overwritten [-Woverride-init]
> 8 | #define NULL ((void *)0)
> | ^
> arch/arm64/kvm/sys_regs.c:1564:42: note: in expansion of macro 'NULL'
> 1564 | .access = access_pmu_evcntr, .reset = NULL },
> | ^~~~
> include/linux/stddef.h:8:14: note: (near initialization for 'sys_reg_descs[213].reset')
> 8 | #define NULL ((void *)0)
> | ^
> arch/arm64/kvm/sys_regs.c:1564:42: note: in expansion of macro 'NULL'
> 1564 | .access = access_pmu_evcntr, .reset = NULL },
> | ^~~~
> arch/arm64/kvm/sys_regs.c:1570:13: warning: initialized field overwritten [-Woverride-init]
> 1570 | .reset = reset_val, .reg = PMUSERENR_EL0, .val = 0 },
> | ^~~~~~~~~
> arch/arm64/kvm/sys_regs.c:1570:13: note: (near initialization for 'sys_reg_descs[214].reset')
> arch/arm64/kvm/sys_regs.c:1725:13: warning: initialized field overwritten [-Woverride-init]
> 1725 | .reset = reset_val, .reg = PMCCFILTR_EL0, .val = 0 },
> | ^~~~~~~~~
> arch/arm64/kvm/sys_regs.c:1725:13: note: (near initialization for 'sys_reg_descs[356].reset')
>
>
> vim +1544 arch/arm64/kvm/sys_regs.c
>
> 1332
> 1333 /*
> 1334 * Architected system registers.
> 1335 * Important: Must be sorted ascending by Op0, Op1, CRn, CRm, Op2
> 1336 *
> 1337 * Debug handling: We do trap most, if not all debug related system
> 1338 * registers. The implementation is good enough to ensure that a guest
> 1339 * can use these with minimal performance degradation. The drawback is
> 1340 * that we don't implement any of the external debug, none of the
> 1341 * OSlock protocol. This should be revisited if we ever encounter a
> 1342 * more demanding guest...
> 1343 */
> 1344 static const struct sys_reg_desc sys_reg_descs[] = {
> 1345 { SYS_DESC(SYS_DC_ISW), access_dcsw },
> 1346 { SYS_DESC(SYS_DC_CSW), access_dcsw },
> 1347 { SYS_DESC(SYS_DC_CISW), access_dcsw },
> 1348
> 1349 DBG_BCR_BVR_WCR_WVR_EL1(0),
> 1350 DBG_BCR_BVR_WCR_WVR_EL1(1),
> 1351 { SYS_DESC(SYS_MDCCINT_EL1), trap_debug_regs, reset_val, MDCCINT_EL1, 0 },
> 1352 { SYS_DESC(SYS_MDSCR_EL1), trap_debug_regs, reset_val, MDSCR_EL1, 0 },
> 1353 DBG_BCR_BVR_WCR_WVR_EL1(2),
> 1354 DBG_BCR_BVR_WCR_WVR_EL1(3),
> 1355 DBG_BCR_BVR_WCR_WVR_EL1(4),
> 1356 DBG_BCR_BVR_WCR_WVR_EL1(5),
> 1357 DBG_BCR_BVR_WCR_WVR_EL1(6),
> 1358 DBG_BCR_BVR_WCR_WVR_EL1(7),
> 1359 DBG_BCR_BVR_WCR_WVR_EL1(8),
> 1360 DBG_BCR_BVR_WCR_WVR_EL1(9),
> 1361 DBG_BCR_BVR_WCR_WVR_EL1(10),
> 1362 DBG_BCR_BVR_WCR_WVR_EL1(11),
> 1363 DBG_BCR_BVR_WCR_WVR_EL1(12),
> 1364 DBG_BCR_BVR_WCR_WVR_EL1(13),
> 1365 DBG_BCR_BVR_WCR_WVR_EL1(14),
> 1366 DBG_BCR_BVR_WCR_WVR_EL1(15),
> 1367
> 1368 { SYS_DESC(SYS_MDRAR_EL1), trap_raz_wi },
> 1369 { SYS_DESC(SYS_OSLAR_EL1), trap_raz_wi },
> 1370 { SYS_DESC(SYS_OSLSR_EL1), trap_oslsr_el1 },
> 1371 { SYS_DESC(SYS_OSDLR_EL1), trap_raz_wi },
> 1372 { SYS_DESC(SYS_DBGPRCR_EL1), trap_raz_wi },
> 1373 { SYS_DESC(SYS_DBGCLAIMSET_EL1), trap_raz_wi },
> 1374 { SYS_DESC(SYS_DBGCLAIMCLR_EL1), trap_raz_wi },
> 1375 { SYS_DESC(SYS_DBGAUTHSTATUS_EL1), trap_dbgauthstatus_el1 },
> 1376
> 1377 { SYS_DESC(SYS_MDCCSR_EL0), trap_raz_wi },
> 1378 { SYS_DESC(SYS_DBGDTR_EL0), trap_raz_wi },
> 1379 // DBGDTR[TR]X_EL0 share the same encoding
> 1380 { SYS_DESC(SYS_DBGDTRTX_EL0), trap_raz_wi },
> 1381
> 1382 { SYS_DESC(SYS_DBGVCR32_EL2), NULL, reset_val, DBGVCR32_EL2, 0 },
> 1383
> 1384 { SYS_DESC(SYS_MPIDR_EL1), NULL, reset_mpidr, MPIDR_EL1 },
> 1385
> 1386 /*
> 1387 * ID regs: all ID_SANITISED() entries here must have corresponding
> 1388 * entries in arm64_ftr_regs[].
> 1389 */
> 1390
> 1391 /* AArch64 mappings of the AArch32 ID registers */
> 1392 /* CRm=1 */
> 1393 ID_SANITISED(ID_PFR0_EL1),
> 1394 ID_SANITISED(ID_PFR1_EL1),
> 1395 ID_SANITISED(ID_DFR0_EL1),
> 1396 ID_HIDDEN(ID_AFR0_EL1),
> 1397 ID_SANITISED(ID_MMFR0_EL1),
> 1398 ID_SANITISED(ID_MMFR1_EL1),
> 1399 ID_SANITISED(ID_MMFR2_EL1),
> 1400 ID_SANITISED(ID_MMFR3_EL1),
> 1401
> 1402 /* CRm=2 */
> 1403 ID_SANITISED(ID_ISAR0_EL1),
> 1404 ID_SANITISED(ID_ISAR1_EL1),
> 1405 ID_SANITISED(ID_ISAR2_EL1),
> 1406 ID_SANITISED(ID_ISAR3_EL1),
> 1407 ID_SANITISED(ID_ISAR4_EL1),
> 1408 ID_SANITISED(ID_ISAR5_EL1),
> 1409 ID_SANITISED(ID_MMFR4_EL1),
> 1410 ID_SANITISED(ID_ISAR6_EL1),
> 1411
> 1412 /* CRm=3 */
> 1413 ID_SANITISED(MVFR0_EL1),
> 1414 ID_SANITISED(MVFR1_EL1),
> 1415 ID_SANITISED(MVFR2_EL1),
> 1416 ID_UNALLOCATED(3,3),
> 1417 ID_SANITISED(ID_PFR2_EL1),
> 1418 ID_HIDDEN(ID_DFR1_EL1),
> 1419 ID_SANITISED(ID_MMFR5_EL1),
> 1420 ID_UNALLOCATED(3,7),
> 1421
> 1422 /* AArch64 ID registers */
> 1423 /* CRm=4 */
> 1424 { SYS_DESC(SYS_ID_AA64PFR0_EL1), .access = access_id_reg,
> 1425 .get_user = get_id_reg, .set_user = set_id_aa64pfr0_el1, },
> 1426 ID_SANITISED(ID_AA64PFR1_EL1),
> 1427 ID_UNALLOCATED(4,2),
> 1428 ID_UNALLOCATED(4,3),
> 1429 ID_SANITISED(ID_AA64ZFR0_EL1),
> 1430 ID_UNALLOCATED(4,5),
> 1431 ID_UNALLOCATED(4,6),
> 1432 ID_UNALLOCATED(4,7),
> 1433
> 1434 /* CRm=5 */
> 1435 ID_SANITISED(ID_AA64DFR0_EL1),
> 1436 ID_SANITISED(ID_AA64DFR1_EL1),
> 1437 ID_UNALLOCATED(5,2),
> 1438 ID_UNALLOCATED(5,3),
> 1439 ID_HIDDEN(ID_AA64AFR0_EL1),
> 1440 ID_HIDDEN(ID_AA64AFR1_EL1),
> 1441 ID_UNALLOCATED(5,6),
> 1442 ID_UNALLOCATED(5,7),
> 1443
> 1444 /* CRm=6 */
> 1445 ID_SANITISED(ID_AA64ISAR0_EL1),
> 1446 ID_SANITISED(ID_AA64ISAR1_EL1),
> 1447 ID_UNALLOCATED(6,2),
> 1448 ID_UNALLOCATED(6,3),
> 1449 ID_UNALLOCATED(6,4),
> 1450 ID_UNALLOCATED(6,5),
> 1451 ID_UNALLOCATED(6,6),
> 1452 ID_UNALLOCATED(6,7),
> 1453
> 1454 /* CRm=7 */
> 1455 ID_SANITISED(ID_AA64MMFR0_EL1),
> 1456 ID_SANITISED(ID_AA64MMFR1_EL1),
> 1457 ID_SANITISED(ID_AA64MMFR2_EL1),
> 1458 ID_UNALLOCATED(7,3),
> 1459 ID_UNALLOCATED(7,4),
> 1460 ID_UNALLOCATED(7,5),
> 1461 ID_UNALLOCATED(7,6),
> 1462 ID_UNALLOCATED(7,7),
> 1463
> 1464 { SYS_DESC(SYS_SCTLR_EL1), access_vm_reg, reset_val, SCTLR_EL1, 0x00C50078 },
> 1465 { SYS_DESC(SYS_ACTLR_EL1), access_actlr, reset_actlr, ACTLR_EL1 },
> 1466 { SYS_DESC(SYS_CPACR_EL1), NULL, reset_val, CPACR_EL1, 0 },
> 1467
> 1468 { SYS_DESC(SYS_RGSR_EL1), undef_access },
> 1469 { SYS_DESC(SYS_GCR_EL1), undef_access },
> 1470
> 1471 { SYS_DESC(SYS_ZCR_EL1), NULL, reset_val, ZCR_EL1, 0, .visibility = sve_visibility },
> 1472 { SYS_DESC(SYS_TTBR0_EL1), access_vm_reg, reset_unknown, TTBR0_EL1 },
> 1473 { SYS_DESC(SYS_TTBR1_EL1), access_vm_reg, reset_unknown, TTBR1_EL1 },
> 1474 { SYS_DESC(SYS_TCR_EL1), access_vm_reg, reset_val, TCR_EL1, 0 },
> 1475
> 1476 PTRAUTH_KEY(APIA),
> 1477 PTRAUTH_KEY(APIB),
> 1478 PTRAUTH_KEY(APDA),
> 1479 PTRAUTH_KEY(APDB),
> 1480 PTRAUTH_KEY(APGA),
> 1481
> 1482 { SYS_DESC(SYS_AFSR0_EL1), access_vm_reg, reset_unknown, AFSR0_EL1 },
> 1483 { SYS_DESC(SYS_AFSR1_EL1), access_vm_reg, reset_unknown, AFSR1_EL1 },
> 1484 { SYS_DESC(SYS_ESR_EL1), access_vm_reg, reset_unknown, ESR_EL1 },
> 1485
> 1486 { SYS_DESC(SYS_ERRIDR_EL1), trap_raz_wi },
> 1487 { SYS_DESC(SYS_ERRSELR_EL1), trap_raz_wi },
> 1488 { SYS_DESC(SYS_ERXFR_EL1), trap_raz_wi },
> 1489 { SYS_DESC(SYS_ERXCTLR_EL1), trap_raz_wi },
> 1490 { SYS_DESC(SYS_ERXSTATUS_EL1), trap_raz_wi },
> 1491 { SYS_DESC(SYS_ERXADDR_EL1), trap_raz_wi },
> 1492 { SYS_DESC(SYS_ERXMISC0_EL1), trap_raz_wi },
> 1493 { SYS_DESC(SYS_ERXMISC1_EL1), trap_raz_wi },
> 1494
> 1495 { SYS_DESC(SYS_TFSR_EL1), undef_access },
> 1496 { SYS_DESC(SYS_TFSRE0_EL1), undef_access },
> 1497
> 1498 { SYS_DESC(SYS_FAR_EL1), access_vm_reg, reset_unknown, FAR_EL1 },
> 1499 { SYS_DESC(SYS_PAR_EL1), NULL, reset_unknown, PAR_EL1 },
> 1500
> 1501 { PMU_SYS_REG(SYS_PMINTENSET_EL1),
> 1502 .access = access_pminten, .reg = PMINTENSET_EL1 },
> 1503 { PMU_SYS_REG(SYS_PMINTENCLR_EL1),
> 1504 .access = access_pminten, .reg = PMINTENSET_EL1 },
> 1505
> 1506 { SYS_DESC(SYS_MAIR_EL1), access_vm_reg, reset_unknown, MAIR_EL1 },
> 1507 { SYS_DESC(SYS_AMAIR_EL1), access_vm_reg, reset_amair_el1, AMAIR_EL1 },
> 1508
> 1509 { SYS_DESC(SYS_LORSA_EL1), trap_loregion },
> 1510 { SYS_DESC(SYS_LOREA_EL1), trap_loregion },
> 1511 { SYS_DESC(SYS_LORN_EL1), trap_loregion },
> 1512 { SYS_DESC(SYS_LORC_EL1), trap_loregion },
> 1513 { SYS_DESC(SYS_LORID_EL1), trap_loregion },
> 1514
> 1515 { SYS_DESC(SYS_VBAR_EL1), NULL, reset_val, VBAR_EL1, 0 },
> 1516 { SYS_DESC(SYS_DISR_EL1), NULL, reset_val, DISR_EL1, 0 },
> 1517
> 1518 { SYS_DESC(SYS_ICC_IAR0_EL1), write_to_read_only },
> 1519 { SYS_DESC(SYS_ICC_EOIR0_EL1), read_from_write_only },
> 1520 { SYS_DESC(SYS_ICC_HPPIR0_EL1), write_to_read_only },
> 1521 { SYS_DESC(SYS_ICC_DIR_EL1), read_from_write_only },
> 1522 { SYS_DESC(SYS_ICC_RPR_EL1), write_to_read_only },
> 1523 { SYS_DESC(SYS_ICC_SGI1R_EL1), access_gic_sgi },
> 1524 { SYS_DESC(SYS_ICC_ASGI1R_EL1), access_gic_sgi },
> 1525 { SYS_DESC(SYS_ICC_SGI0R_EL1), access_gic_sgi },
> 1526 { SYS_DESC(SYS_ICC_IAR1_EL1), write_to_read_only },
> 1527 { SYS_DESC(SYS_ICC_EOIR1_EL1), read_from_write_only },
> 1528 { SYS_DESC(SYS_ICC_HPPIR1_EL1), write_to_read_only },
> 1529 { SYS_DESC(SYS_ICC_SRE_EL1), access_gic_sre },
> 1530
> 1531 { SYS_DESC(SYS_CONTEXTIDR_EL1), access_vm_reg, reset_val, CONTEXTIDR_EL1, 0 },
> 1532 { SYS_DESC(SYS_TPIDR_EL1), NULL, reset_unknown, TPIDR_EL1 },
> 1533
> 1534 { SYS_DESC(SYS_SCXTNUM_EL1), undef_access },
> 1535
> 1536 { SYS_DESC(SYS_CNTKCTL_EL1), NULL, reset_val, CNTKCTL_EL1, 0},
> 1537
> 1538 { SYS_DESC(SYS_CCSIDR_EL1), access_ccsidr },
> 1539 { SYS_DESC(SYS_CLIDR_EL1), access_clidr },
> 1540 { SYS_DESC(SYS_CSSELR_EL1), access_csselr, reset_unknown, CSSELR_EL1 },
> 1541 { SYS_DESC(SYS_CTR_EL0), access_ctr },
> 1542
> 1543 { PMU_SYS_REG(SYS_PMCR_EL0), .access = access_pmcr,
>> 1544 .reset = reset_pmcr, .reg = PMCR_EL0 },
> 1545 { PMU_SYS_REG(SYS_PMCNTENSET_EL0),
> 1546 .access = access_pmcnten, .reg = PMCNTENSET_EL0 },
> 1547 { PMU_SYS_REG(SYS_PMCNTENCLR_EL0),
> 1548 .access = access_pmcnten, .reg = PMCNTENSET_EL0 },
> 1549 { PMU_SYS_REG(SYS_PMOVSCLR_EL0),
> 1550 .access = access_pmovs, .reg = PMOVSSET_EL0 },
> 1551 { PMU_SYS_REG(SYS_PMSWINC_EL0),
> 1552 .access = access_pmswinc, .reg = PMSWINC_EL0 },
> 1553 { PMU_SYS_REG(SYS_PMSELR_EL0),
> 1554 .access = access_pmselr, .reg = PMSELR_EL0 },
> 1555 { PMU_SYS_REG(SYS_PMCEID0_EL0),
> 1556 .access = access_pmceid, .reset = NULL },
> 1557 { PMU_SYS_REG(SYS_PMCEID1_EL0),
> 1558 .access = access_pmceid, .reset = NULL },
> 1559 { PMU_SYS_REG(SYS_PMCCNTR_EL0),
> 1560 .access = access_pmu_evcntr, .reg = PMCCNTR_EL0 },
> 1561 { PMU_SYS_REG(SYS_PMXEVTYPER_EL0),
> 1562 .access = access_pmu_evtyper, .reset = NULL },
> 1563 { PMU_SYS_REG(SYS_PMXEVCNTR_EL0),
> 1564 .access = access_pmu_evcntr, .reset = NULL },
> 1565 /*
> 1566 * PMUSERENR_EL0 resets as unknown in 64bit mode while it resets as zero
> 1567 * in 32bit mode. Here we choose to reset it as zero for consistency.
> 1568 */
> 1569 { PMU_SYS_REG(SYS_PMUSERENR_EL0), .access = access_pmuserenr,
> 1570 .reset = reset_val, .reg = PMUSERENR_EL0, .val = 0 },
> 1571 { PMU_SYS_REG(SYS_PMOVSSET_EL0),
> 1572 .access = access_pmovs, .reg = PMOVSSET_EL0 },
> 1573
> 1574 { SYS_DESC(SYS_TPIDR_EL0), NULL, reset_unknown, TPIDR_EL0 },
> 1575 { SYS_DESC(SYS_TPIDRRO_EL0), NULL, reset_unknown, TPIDRRO_EL0 },
> 1576
> 1577 { SYS_DESC(SYS_SCXTNUM_EL0), undef_access },
> 1578
> 1579 { SYS_DESC(SYS_AMCR_EL0), undef_access },
> 1580 { SYS_DESC(SYS_AMCFGR_EL0), undef_access },
> 1581 { SYS_DESC(SYS_AMCGCR_EL0), undef_access },
> 1582 { SYS_DESC(SYS_AMUSERENR_EL0), undef_access },
> 1583 { SYS_DESC(SYS_AMCNTENCLR0_EL0), undef_access },
> 1584 { SYS_DESC(SYS_AMCNTENSET0_EL0), undef_access },
> 1585 { SYS_DESC(SYS_AMCNTENCLR1_EL0), undef_access },
> 1586 { SYS_DESC(SYS_AMCNTENSET1_EL0), undef_access },
> 1587 AMU_AMEVCNTR0_EL0(0),
> 1588 AMU_AMEVCNTR0_EL0(1),
> 1589 AMU_AMEVCNTR0_EL0(2),
> 1590 AMU_AMEVCNTR0_EL0(3),
> 1591 AMU_AMEVCNTR0_EL0(4),
> 1592 AMU_AMEVCNTR0_EL0(5),
> 1593 AMU_AMEVCNTR0_EL0(6),
> 1594 AMU_AMEVCNTR0_EL0(7),
> 1595 AMU_AMEVCNTR0_EL0(8),
> 1596 AMU_AMEVCNTR0_EL0(9),
> 1597 AMU_AMEVCNTR0_EL0(10),
> 1598 AMU_AMEVCNTR0_EL0(11),
> 1599 AMU_AMEVCNTR0_EL0(12),
> 1600 AMU_AMEVCNTR0_EL0(13),
> 1601 AMU_AMEVCNTR0_EL0(14),
> 1602 AMU_AMEVCNTR0_EL0(15),
> 1603 AMU_AMEVTYPER0_EL0(0),
> 1604 AMU_AMEVTYPER0_EL0(1),
> 1605 AMU_AMEVTYPER0_EL0(2),
> 1606 AMU_AMEVTYPER0_EL0(3),
> 1607 AMU_AMEVTYPER0_EL0(4),
> 1608 AMU_AMEVTYPER0_EL0(5),
> 1609 AMU_AMEVTYPER0_EL0(6),
> 1610 AMU_AMEVTYPER0_EL0(7),
> 1611 AMU_AMEVTYPER0_EL0(8),
> 1612 AMU_AMEVTYPER0_EL0(9),
> 1613 AMU_AMEVTYPER0_EL0(10),
> 1614 AMU_AMEVTYPER0_EL0(11),
> 1615 AMU_AMEVTYPER0_EL0(12),
> 1616 AMU_AMEVTYPER0_EL0(13),
> 1617 AMU_AMEVTYPER0_EL0(14),
> 1618 AMU_AMEVTYPER0_EL0(15),
> 1619 AMU_AMEVCNTR1_EL0(0),
> 1620 AMU_AMEVCNTR1_EL0(1),
> 1621 AMU_AMEVCNTR1_EL0(2),
> 1622 AMU_AMEVCNTR1_EL0(3),
> 1623 AMU_AMEVCNTR1_EL0(4),
> 1624 AMU_AMEVCNTR1_EL0(5),
> 1625 AMU_AMEVCNTR1_EL0(6),
> 1626 AMU_AMEVCNTR1_EL0(7),
> 1627 AMU_AMEVCNTR1_EL0(8),
> 1628 AMU_AMEVCNTR1_EL0(9),
> 1629 AMU_AMEVCNTR1_EL0(10),
> 1630 AMU_AMEVCNTR1_EL0(11),
> 1631 AMU_AMEVCNTR1_EL0(12),
> 1632 AMU_AMEVCNTR1_EL0(13),
> 1633 AMU_AMEVCNTR1_EL0(14),
> 1634 AMU_AMEVCNTR1_EL0(15),
> 1635 AMU_AMEVTYPER1_EL0(0),
> 1636 AMU_AMEVTYPER1_EL0(1),
> 1637 AMU_AMEVTYPER1_EL0(2),
> 1638 AMU_AMEVTYPER1_EL0(3),
> 1639 AMU_AMEVTYPER1_EL0(4),
> 1640 AMU_AMEVTYPER1_EL0(5),
> 1641 AMU_AMEVTYPER1_EL0(6),
> 1642 AMU_AMEVTYPER1_EL0(7),
> 1643 AMU_AMEVTYPER1_EL0(8),
> 1644 AMU_AMEVTYPER1_EL0(9),
> 1645 AMU_AMEVTYPER1_EL0(10),
> 1646 AMU_AMEVTYPER1_EL0(11),
> 1647 AMU_AMEVTYPER1_EL0(12),
> 1648 AMU_AMEVTYPER1_EL0(13),
> 1649 AMU_AMEVTYPER1_EL0(14),
> 1650 AMU_AMEVTYPER1_EL0(15),
> 1651
> 1652 { SYS_DESC(SYS_CNTP_TVAL_EL0), access_arch_timer },
> 1653 { SYS_DESC(SYS_CNTP_CTL_EL0), access_arch_timer },
> 1654 { SYS_DESC(SYS_CNTP_CVAL_EL0), access_arch_timer },
> 1655
> 1656 /* PMEVCNTRn_EL0 */
> 1657 PMU_PMEVCNTR_EL0(0),
> 1658 PMU_PMEVCNTR_EL0(1),
> 1659 PMU_PMEVCNTR_EL0(2),
> 1660 PMU_PMEVCNTR_EL0(3),
> 1661 PMU_PMEVCNTR_EL0(4),
> 1662 PMU_PMEVCNTR_EL0(5),
> 1663 PMU_PMEVCNTR_EL0(6),
> 1664 PMU_PMEVCNTR_EL0(7),
> 1665 PMU_PMEVCNTR_EL0(8),
> 1666 PMU_PMEVCNTR_EL0(9),
> 1667 PMU_PMEVCNTR_EL0(10),
> 1668 PMU_PMEVCNTR_EL0(11),
> 1669 PMU_PMEVCNTR_EL0(12),
> 1670 PMU_PMEVCNTR_EL0(13),
> 1671 PMU_PMEVCNTR_EL0(14),
> 1672 PMU_PMEVCNTR_EL0(15),
> 1673 PMU_PMEVCNTR_EL0(16),
> 1674 PMU_PMEVCNTR_EL0(17),
> 1675 PMU_PMEVCNTR_EL0(18),
> 1676 PMU_PMEVCNTR_EL0(19),
> 1677 PMU_PMEVCNTR_EL0(20),
> 1678 PMU_PMEVCNTR_EL0(21),
> 1679 PMU_PMEVCNTR_EL0(22),
> 1680 PMU_PMEVCNTR_EL0(23),
> 1681 PMU_PMEVCNTR_EL0(24),
> 1682 PMU_PMEVCNTR_EL0(25),
> 1683 PMU_PMEVCNTR_EL0(26),
> 1684 PMU_PMEVCNTR_EL0(27),
> 1685 PMU_PMEVCNTR_EL0(28),
> 1686 PMU_PMEVCNTR_EL0(29),
> 1687 PMU_PMEVCNTR_EL0(30),
> 1688 /* PMEVTYPERn_EL0 */
> 1689 PMU_PMEVTYPER_EL0(0),
> 1690 PMU_PMEVTYPER_EL0(1),
> 1691 PMU_PMEVTYPER_EL0(2),
> 1692 PMU_PMEVTYPER_EL0(3),
> 1693 PMU_PMEVTYPER_EL0(4),
> 1694 PMU_PMEVTYPER_EL0(5),
> 1695 PMU_PMEVTYPER_EL0(6),
> 1696 PMU_PMEVTYPER_EL0(7),
> 1697 PMU_PMEVTYPER_EL0(8),
> 1698 PMU_PMEVTYPER_EL0(9),
> 1699 PMU_PMEVTYPER_EL0(10),
> 1700 PMU_PMEVTYPER_EL0(11),
> 1701 PMU_PMEVTYPER_EL0(12),
> 1702 PMU_PMEVTYPER_EL0(13),
> 1703 PMU_PMEVTYPER_EL0(14),
> 1704 PMU_PMEVTYPER_EL0(15),
> 1705 PMU_PMEVTYPER_EL0(16),
> 1706 PMU_PMEVTYPER_EL0(17),
> 1707 PMU_PMEVTYPER_EL0(18),
> 1708 PMU_PMEVTYPER_EL0(19),
> 1709 PMU_PMEVTYPER_EL0(20),
> 1710 PMU_PMEVTYPER_EL0(21),
> 1711 PMU_PMEVTYPER_EL0(22),
> 1712 PMU_PMEVTYPER_EL0(23),
> 1713 PMU_PMEVTYPER_EL0(24),
> 1714 PMU_PMEVTYPER_EL0(25),
> 1715 PMU_PMEVTYPER_EL0(26),
> 1716 PMU_PMEVTYPER_EL0(27),
> 1717 PMU_PMEVTYPER_EL0(28),
> 1718 PMU_PMEVTYPER_EL0(29),
> 1719 PMU_PMEVTYPER_EL0(30),
> 1720 /*
> 1721 * PMCCFILTR_EL0 resets as unknown in 64bit mode while it resets as zero
> 1722 * in 32bit mode. Here we choose to reset it as zero for consistency.
> 1723 */
> 1724 { PMU_SYS_REG(SYS_PMCCFILTR_EL0), .access = access_pmu_evtyper,
> 1725 .reset = reset_val, .reg = PMCCFILTR_EL0, .val = 0 },
> 1726
> 1727 { SYS_DESC(SYS_DACR32_EL2), NULL, reset_unknown, DACR32_EL2 },
> 1728 { SYS_DESC(SYS_IFSR32_EL2), NULL, reset_unknown, IFSR32_EL2 },
> 1729 { SYS_DESC(SYS_FPEXC32_EL2), NULL, reset_val, FPEXC32_EL2, 0x700 },
> 1730 };
> 1731
>
> ---
> 0-DAY CI Kernel Test Service, Intel Corporation
> https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
>
> _______________________________________________
> kbuild-all mailing list -- kbuild-all@lists.01.org
> To unsubscribe send an email to kbuild-all-leave@lists.01.org
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [kbuild-all] arch/arm64/kvm/sys_regs.c:1544:13: warning: initialized field overwritten
2021-07-02 8:55 ` [kbuild-all] " Rong Chen
@ 2021-07-02 10:58 ` Marc Zyngier
2021-07-05 7:55 ` Rong Chen
0 siblings, 1 reply; 4+ messages in thread
From: Marc Zyngier @ 2021-07-02 10:58 UTC (permalink / raw)
To: Rong Chen; +Cc: kernel test robot, kbuild-all, linux-kernel
Hi Rong,
On Fri, 02 Jul 2021 09:55:00 +0100,
Rong Chen <rong.a.chen@intel.com> wrote:
>
> Hi Marc,
>
> It looks like another report
> https://lore.kernel.org/lkml/202106302037.QmEffgZV-lkp@intel.com/
> Do you want us to stop report this commit too?
Yes please. In general, I'm not interested in reports that are
triggered by the presence of '-Woverride-init' in the compilation
options.
Thanks,
M.
--
Without deviation from the norm, progress is not possible.
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [kbuild-all] arch/arm64/kvm/sys_regs.c:1544:13: warning: initialized field overwritten
2021-07-02 10:58 ` Marc Zyngier
@ 2021-07-05 7:55 ` Rong Chen
0 siblings, 0 replies; 4+ messages in thread
From: Rong Chen @ 2021-07-05 7:55 UTC (permalink / raw)
To: Marc Zyngier; +Cc: kernel test robot, kbuild-all, linux-kernel
On 7/2/21 6:58 PM, Marc Zyngier wrote:
> Hi Rong,
>
> On Fri, 02 Jul 2021 09:55:00 +0100,
> Rong Chen <rong.a.chen@intel.com> wrote:
>> Hi Marc,
>>
>> It looks like another report
>> https://lore.kernel.org/lkml/202106302037.QmEffgZV-lkp@intel.com/
>> Do you want us to stop report this commit too?
> Yes please. In general, I'm not interested in reports that are
> triggered by the presence of '-Woverride-init' in the compilation
> options.
>
> Thanks,
>
> M.
>
Got it, thanks for the information.
Best Regards,
Rong Chen
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2021-07-05 7:55 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-07-01 10:45 arch/arm64/kvm/sys_regs.c:1544:13: warning: initialized field overwritten kernel test robot
2021-07-02 8:55 ` [kbuild-all] " Rong Chen
2021-07-02 10:58 ` Marc Zyngier
2021-07-05 7:55 ` Rong Chen
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