Re: [PATCH 1/2] arm64: kvm: Save/restore MTE registers

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Hi Steven,

I love your patch! Yet something to improve:

[auto build test ERROR on v5.8-rc5]
[cannot apply to kvmarm/next arm64/for-next/core arm-perf/for-next/perf next-20200713]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use  as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Steven-Price/MTE-support-for-KVM-guest/20200713-180255
base:    11ba468877bb23f28956a35e896356252d63c983
config: arm64-allyesconfig (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
        # 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@xxxxxxxxx>

All errors (new ones prefixed by >>):

   arch/arm64/kernel/relocate_kernel.S: Assembler messages:
>> arch/arm64/kernel/relocate_kernel.S:44: Error: non-constant expression in ".if" statement
>> arch/arm64/kernel/relocate_kernel.S:44: Error: non-constant expression in ".if" statement
>> arch/arm64/kernel/relocate_kernel.S:44: Error: invalid operands (*ABS* and *UND* sections) for `|'
>> arch/arm64/kernel/relocate_kernel.S:44: Error: invalid operands (*ABS* and *UND* sections) for `|'
>> arch/arm64/kernel/relocate_kernel.S:44: Error: invalid operands (*ABS* and *UND* sections) for `|'
>> arch/arm64/kernel/relocate_kernel.S:44: Error: invalid operands (*ABS* and *UND* sections) for `|'
--
   arch/arm64/kernel/cpu-reset.S: Assembler messages:
>> arch/arm64/kernel/cpu-reset.S:35: Error: non-constant expression in ".if" statement
>> arch/arm64/kernel/cpu-reset.S:35: Error: non-constant expression in ".if" statement
>> arch/arm64/kernel/cpu-reset.S:35: Error: invalid operands (*ABS* and *UND* sections) for `|'
>> arch/arm64/kernel/cpu-reset.S:35: Error: invalid operands (*ABS* and *UND* sections) for `|'
>> arch/arm64/kernel/cpu-reset.S:35: Error: invalid operands (*ABS* and *UND* sections) for `|'
>> arch/arm64/kernel/cpu-reset.S:35: Error: invalid operands (*ABS* and *UND* sections) for `|'
--
   arch/arm64/kvm/hyp-init.S: Assembler messages:
>> arch/arm64/kvm/hyp-init.S:105: Error: non-constant expression in ".if" statement
>> arch/arm64/kvm/hyp-init.S:105: Error: non-constant expression in ".if" statement
   arch/arm64/kvm/hyp-init.S:149: Error: non-constant expression in ".if" statement
   arch/arm64/kvm/hyp-init.S:149: Error: non-constant expression in ".if" statement
>> arch/arm64/kvm/hyp-init.S:105: Error: invalid operands (*ABS* and *UND* sections) for `|'
>> arch/arm64/kvm/hyp-init.S:105: Error: invalid operands (*ABS* and *UND* sections) for `|'
>> arch/arm64/kvm/hyp-init.S:105: Error: invalid operands (*ABS* and *UND* sections) for `|'
>> arch/arm64/kvm/hyp-init.S:105: Error: invalid operands (*ABS* and *UND* sections) for `|'
   arch/arm64/kvm/hyp-init.S:149: Error: invalid operands (*ABS* and *UND* sections) for `|'
   arch/arm64/kvm/hyp-init.S:149: Error: invalid operands (*ABS* and *UND* sections) for `|'
   arch/arm64/kvm/hyp-init.S:149: Error: invalid operands (*ABS* and *UND* sections) for `|'
   arch/arm64/kvm/hyp-init.S:149: Error: invalid operands (*ABS* and *UND* sections) for `|'
--
   In file included from arch/arm64/kvm/sys_regs.c:32:
>> arch/arm64/kvm/sys_regs.c:1524:13: error: 'SYS_RGSR_EL1' undeclared here (not in a function); did you mean 'SYS_DISR_EL1'?
    1524 |  { SYS_DESC(SYS_RGSR_EL1), trap_raz_wi, reset_unknown, RGSR_EL1 },
         |             ^~~~~~~~~~~~
   arch/arm64/kvm/sys_regs.h:156:25: note: in definition of macro 'Op0'
     156 | #define Op0(_x)  .Op0 = _x
         |                         ^~
   arch/arm64/kvm/sys_regs.h:164:6: note: in expansion of macro 'sys_reg_Op0'
     164 |  Op0(sys_reg_Op0(reg)), Op1(sys_reg_Op1(reg)), \
         |      ^~~~~~~~~~~
   arch/arm64/kvm/sys_regs.c:1524:4: note: in expansion of macro 'SYS_DESC'
    1524 |  { SYS_DESC(SYS_RGSR_EL1), trap_raz_wi, reset_unknown, RGSR_EL1 },
         |    ^~~~~~~~
>> arch/arm64/kvm/sys_regs.c:1525:13: error: 'SYS_GCR_EL1' undeclared here (not in a function); did you mean 'SYS_TCR_EL1'?
    1525 |  { SYS_DESC(SYS_GCR_EL1), trap_raz_wi, reset_unknown, GCR_EL1 },
         |             ^~~~~~~~~~~
   arch/arm64/kvm/sys_regs.h:156:25: note: in definition of macro 'Op0'
     156 | #define Op0(_x)  .Op0 = _x
         |                         ^~
   arch/arm64/kvm/sys_regs.h:164:6: note: in expansion of macro 'sys_reg_Op0'
     164 |  Op0(sys_reg_Op0(reg)), Op1(sys_reg_Op1(reg)), \
         |      ^~~~~~~~~~~
   arch/arm64/kvm/sys_regs.c:1525:4: note: in expansion of macro 'SYS_DESC'
    1525 |  { SYS_DESC(SYS_GCR_EL1), trap_raz_wi, reset_unknown, GCR_EL1 },
         |    ^~~~~~~~
>> arch/arm64/kvm/sys_regs.c:1550:13: error: 'SYS_TFSR_EL1' undeclared here (not in a function); did you mean 'SYS_DISR_EL1'?
    1550 |  { SYS_DESC(SYS_TFSR_EL1), trap_raz_wi, reset_unknown, TFSR_EL1 },
         |             ^~~~~~~~~~~~
   arch/arm64/kvm/sys_regs.h:156:25: note: in definition of macro 'Op0'
     156 | #define Op0(_x)  .Op0 = _x
         |                         ^~
   arch/arm64/kvm/sys_regs.h:164:6: note: in expansion of macro 'sys_reg_Op0'
     164 |  Op0(sys_reg_Op0(reg)), Op1(sys_reg_Op1(reg)), \
         |      ^~~~~~~~~~~
   arch/arm64/kvm/sys_regs.c:1550:4: note: in expansion of macro 'SYS_DESC'
    1550 |  { SYS_DESC(SYS_TFSR_EL1), trap_raz_wi, reset_unknown, TFSR_EL1 },
         |    ^~~~~~~~
>> arch/arm64/kvm/sys_regs.c:1551:13: error: 'SYS_TFSRE0_EL1' undeclared here (not in a function); did you mean 'SYS_AFSR0_EL1'?
    1551 |  { SYS_DESC(SYS_TFSRE0_EL1), trap_raz_wi, reset_unknown, TFSRE0_EL1 },
         |             ^~~~~~~~~~~~~~
   arch/arm64/kvm/sys_regs.h:156:25: note: in definition of macro 'Op0'
     156 | #define Op0(_x)  .Op0 = _x
         |                         ^~
   arch/arm64/kvm/sys_regs.h:164:6: note: in expansion of macro 'sys_reg_Op0'
     164 |  Op0(sys_reg_Op0(reg)), Op1(sys_reg_Op1(reg)), \
         |      ^~~~~~~~~~~
   arch/arm64/kvm/sys_regs.c:1551:4: note: in expansion of macro 'SYS_DESC'
    1551 |  { SYS_DESC(SYS_TFSRE0_EL1), trap_raz_wi, reset_unknown, TFSRE0_EL1 },
         |    ^~~~~~~~
--
   arch/arm64/kvm/hyp/sysreg-sr.c: In function '__sysreg_save_common_state':
>> arch/arm64/kvm/hyp/sysreg-sr.c:30:6: error: implicit declaration of function 'system_supports_mte'; did you mean 'system_supports_bti'? [-Werror=implicit-function-declaration]
      30 |  if (system_supports_mte()) {
         |      ^~~~~~~~~~~~~~~~~~~
         |      system_supports_bti
   cc1: some warnings being treated as errors

vim +1524 arch/arm64/kvm/sys_regs.c

  1391	
  1392	/*
  1393	 * Architected system registers.
  1394	 * Important: Must be sorted ascending by Op0, Op1, CRn, CRm, Op2
  1395	 *
  1396	 * Debug handling: We do trap most, if not all debug related system
  1397	 * registers. The implementation is good enough to ensure that a guest
  1398	 * can use these with minimal performance degradation. The drawback is
  1399	 * that we don't implement any of the external debug, none of the
  1400	 * OSlock protocol. This should be revisited if we ever encounter a
  1401	 * more demanding guest...
  1402	 */
  1403	static const struct sys_reg_desc sys_reg_descs[] = {
  1404		{ SYS_DESC(SYS_DC_ISW), access_dcsw },
  1405		{ SYS_DESC(SYS_DC_CSW), access_dcsw },
  1406		{ SYS_DESC(SYS_DC_CISW), access_dcsw },
  1407	
  1408		DBG_BCR_BVR_WCR_WVR_EL1(0),
  1409		DBG_BCR_BVR_WCR_WVR_EL1(1),
  1410		{ SYS_DESC(SYS_MDCCINT_EL1), trap_debug_regs, reset_val, MDCCINT_EL1, 0 },
  1411		{ SYS_DESC(SYS_MDSCR_EL1), trap_debug_regs, reset_val, MDSCR_EL1, 0 },
  1412		DBG_BCR_BVR_WCR_WVR_EL1(2),
  1413		DBG_BCR_BVR_WCR_WVR_EL1(3),
  1414		DBG_BCR_BVR_WCR_WVR_EL1(4),
  1415		DBG_BCR_BVR_WCR_WVR_EL1(5),
  1416		DBG_BCR_BVR_WCR_WVR_EL1(6),
  1417		DBG_BCR_BVR_WCR_WVR_EL1(7),
  1418		DBG_BCR_BVR_WCR_WVR_EL1(8),
  1419		DBG_BCR_BVR_WCR_WVR_EL1(9),
  1420		DBG_BCR_BVR_WCR_WVR_EL1(10),
  1421		DBG_BCR_BVR_WCR_WVR_EL1(11),
  1422		DBG_BCR_BVR_WCR_WVR_EL1(12),
  1423		DBG_BCR_BVR_WCR_WVR_EL1(13),
  1424		DBG_BCR_BVR_WCR_WVR_EL1(14),
  1425		DBG_BCR_BVR_WCR_WVR_EL1(15),
  1426	
  1427		{ SYS_DESC(SYS_MDRAR_EL1), trap_raz_wi },
  1428		{ SYS_DESC(SYS_OSLAR_EL1), trap_raz_wi },
  1429		{ SYS_DESC(SYS_OSLSR_EL1), trap_oslsr_el1 },
  1430		{ SYS_DESC(SYS_OSDLR_EL1), trap_raz_wi },
  1431		{ SYS_DESC(SYS_DBGPRCR_EL1), trap_raz_wi },
  1432		{ SYS_DESC(SYS_DBGCLAIMSET_EL1), trap_raz_wi },
  1433		{ SYS_DESC(SYS_DBGCLAIMCLR_EL1), trap_raz_wi },
  1434		{ SYS_DESC(SYS_DBGAUTHSTATUS_EL1), trap_dbgauthstatus_el1 },
  1435	
  1436		{ SYS_DESC(SYS_MDCCSR_EL0), trap_raz_wi },
  1437		{ SYS_DESC(SYS_DBGDTR_EL0), trap_raz_wi },
  1438		// DBGDTR[TR]X_EL0 share the same encoding
  1439		{ SYS_DESC(SYS_DBGDTRTX_EL0), trap_raz_wi },
  1440	
  1441		{ SYS_DESC(SYS_DBGVCR32_EL2), NULL, reset_val, DBGVCR32_EL2, 0 },
  1442	
  1443		{ SYS_DESC(SYS_MPIDR_EL1), NULL, reset_mpidr, MPIDR_EL1 },
  1444	
  1445		/*
  1446		 * ID regs: all ID_SANITISED() entries here must have corresponding
  1447		 * entries in arm64_ftr_regs[].
  1448		 */
  1449	
  1450		/* AArch64 mappings of the AArch32 ID registers */
  1451		/* CRm=1 */
  1452		ID_SANITISED(ID_PFR0_EL1),
  1453		ID_SANITISED(ID_PFR1_EL1),
  1454		ID_SANITISED(ID_DFR0_EL1),
  1455		ID_HIDDEN(ID_AFR0_EL1),
  1456		ID_SANITISED(ID_MMFR0_EL1),
  1457		ID_SANITISED(ID_MMFR1_EL1),
  1458		ID_SANITISED(ID_MMFR2_EL1),
  1459		ID_SANITISED(ID_MMFR3_EL1),
  1460	
  1461		/* CRm=2 */
  1462		ID_SANITISED(ID_ISAR0_EL1),
  1463		ID_SANITISED(ID_ISAR1_EL1),
  1464		ID_SANITISED(ID_ISAR2_EL1),
  1465		ID_SANITISED(ID_ISAR3_EL1),
  1466		ID_SANITISED(ID_ISAR4_EL1),
  1467		ID_SANITISED(ID_ISAR5_EL1),
  1468		ID_SANITISED(ID_MMFR4_EL1),
  1469		ID_SANITISED(ID_ISAR6_EL1),
  1470	
  1471		/* CRm=3 */
  1472		ID_SANITISED(MVFR0_EL1),
  1473		ID_SANITISED(MVFR1_EL1),
  1474		ID_SANITISED(MVFR2_EL1),
  1475		ID_UNALLOCATED(3,3),
  1476		ID_SANITISED(ID_PFR2_EL1),
  1477		ID_HIDDEN(ID_DFR1_EL1),
  1478		ID_SANITISED(ID_MMFR5_EL1),
  1479		ID_UNALLOCATED(3,7),
  1480	
  1481		/* AArch64 ID registers */
  1482		/* CRm=4 */
  1483		ID_SANITISED(ID_AA64PFR0_EL1),
  1484		ID_SANITISED(ID_AA64PFR1_EL1),
  1485		ID_UNALLOCATED(4,2),
  1486		ID_UNALLOCATED(4,3),
  1487		{ SYS_DESC(SYS_ID_AA64ZFR0_EL1), access_id_aa64zfr0_el1, .get_user = get_id_aa64zfr0_el1, .set_user = set_id_aa64zfr0_el1, .visibility = sve_id_visibility },
  1488		ID_UNALLOCATED(4,5),
  1489		ID_UNALLOCATED(4,6),
  1490		ID_UNALLOCATED(4,7),
  1491	
  1492		/* CRm=5 */
  1493		ID_SANITISED(ID_AA64DFR0_EL1),
  1494		ID_SANITISED(ID_AA64DFR1_EL1),
  1495		ID_UNALLOCATED(5,2),
  1496		ID_UNALLOCATED(5,3),
  1497		ID_HIDDEN(ID_AA64AFR0_EL1),
  1498		ID_HIDDEN(ID_AA64AFR1_EL1),
  1499		ID_UNALLOCATED(5,6),
  1500		ID_UNALLOCATED(5,7),
  1501	
  1502		/* CRm=6 */
  1503		ID_SANITISED(ID_AA64ISAR0_EL1),
  1504		ID_SANITISED(ID_AA64ISAR1_EL1),
  1505		ID_UNALLOCATED(6,2),
  1506		ID_UNALLOCATED(6,3),
  1507		ID_UNALLOCATED(6,4),
  1508		ID_UNALLOCATED(6,5),
  1509		ID_UNALLOCATED(6,6),
  1510		ID_UNALLOCATED(6,7),
  1511	
  1512		/* CRm=7 */
  1513		ID_SANITISED(ID_AA64MMFR0_EL1),
  1514		ID_SANITISED(ID_AA64MMFR1_EL1),
  1515		ID_SANITISED(ID_AA64MMFR2_EL1),
  1516		ID_UNALLOCATED(7,3),
  1517		ID_UNALLOCATED(7,4),
  1518		ID_UNALLOCATED(7,5),
  1519		ID_UNALLOCATED(7,6),
  1520		ID_UNALLOCATED(7,7),
  1521	
  1522		{ SYS_DESC(SYS_SCTLR_EL1), access_vm_reg, reset_val, SCTLR_EL1, 0x00C50078 },
  1523		{ SYS_DESC(SYS_CPACR_EL1), NULL, reset_val, CPACR_EL1, 0 },
> 1524		{ SYS_DESC(SYS_RGSR_EL1), trap_raz_wi, reset_unknown, RGSR_EL1 },
> 1525		{ SYS_DESC(SYS_GCR_EL1), trap_raz_wi, reset_unknown, GCR_EL1 },
  1526		{ SYS_DESC(SYS_ZCR_EL1), NULL, reset_val, ZCR_EL1, 0, .visibility = sve_visibility },
  1527		{ SYS_DESC(SYS_TTBR0_EL1), access_vm_reg, reset_unknown, TTBR0_EL1 },
  1528		{ SYS_DESC(SYS_TTBR1_EL1), access_vm_reg, reset_unknown, TTBR1_EL1 },
  1529		{ SYS_DESC(SYS_TCR_EL1), access_vm_reg, reset_val, TCR_EL1, 0 },
  1530	
  1531		PTRAUTH_KEY(APIA),
  1532		PTRAUTH_KEY(APIB),
  1533		PTRAUTH_KEY(APDA),
  1534		PTRAUTH_KEY(APDB),
  1535		PTRAUTH_KEY(APGA),
  1536	
  1537		{ SYS_DESC(SYS_AFSR0_EL1), access_vm_reg, reset_unknown, AFSR0_EL1 },
  1538		{ SYS_DESC(SYS_AFSR1_EL1), access_vm_reg, reset_unknown, AFSR1_EL1 },
  1539		{ SYS_DESC(SYS_ESR_EL1), access_vm_reg, reset_unknown, ESR_EL1 },
  1540	
  1541		{ SYS_DESC(SYS_ERRIDR_EL1), trap_raz_wi },
  1542		{ SYS_DESC(SYS_ERRSELR_EL1), trap_raz_wi },
  1543		{ SYS_DESC(SYS_ERXFR_EL1), trap_raz_wi },
  1544		{ SYS_DESC(SYS_ERXCTLR_EL1), trap_raz_wi },
  1545		{ SYS_DESC(SYS_ERXSTATUS_EL1), trap_raz_wi },
  1546		{ SYS_DESC(SYS_ERXADDR_EL1), trap_raz_wi },
  1547		{ SYS_DESC(SYS_ERXMISC0_EL1), trap_raz_wi },
  1548		{ SYS_DESC(SYS_ERXMISC1_EL1), trap_raz_wi },
  1549	
> 1550		{ SYS_DESC(SYS_TFSR_EL1), trap_raz_wi, reset_unknown, TFSR_EL1 },
> 1551		{ SYS_DESC(SYS_TFSRE0_EL1), trap_raz_wi, reset_unknown, TFSRE0_EL1 },
  1552	
  1553		{ SYS_DESC(SYS_FAR_EL1), access_vm_reg, reset_unknown, FAR_EL1 },
  1554		{ SYS_DESC(SYS_PAR_EL1), NULL, reset_unknown, PAR_EL1 },
  1555	
  1556		{ SYS_DESC(SYS_PMINTENSET_EL1), access_pminten, reset_unknown, PMINTENSET_EL1 },
  1557		{ SYS_DESC(SYS_PMINTENCLR_EL1), access_pminten, reset_unknown, PMINTENSET_EL1 },
  1558	
  1559		{ SYS_DESC(SYS_MAIR_EL1), access_vm_reg, reset_unknown, MAIR_EL1 },
  1560		{ SYS_DESC(SYS_AMAIR_EL1), access_vm_reg, reset_amair_el1, AMAIR_EL1 },
  1561	
  1562		{ SYS_DESC(SYS_LORSA_EL1), trap_loregion },
  1563		{ SYS_DESC(SYS_LOREA_EL1), trap_loregion },
  1564		{ SYS_DESC(SYS_LORN_EL1), trap_loregion },
  1565		{ SYS_DESC(SYS_LORC_EL1), trap_loregion },
  1566		{ SYS_DESC(SYS_LORID_EL1), trap_loregion },
  1567	
  1568		{ SYS_DESC(SYS_VBAR_EL1), NULL, reset_val, VBAR_EL1, 0 },
  1569		{ SYS_DESC(SYS_DISR_EL1), NULL, reset_val, DISR_EL1, 0 },
  1570	
  1571		{ SYS_DESC(SYS_ICC_IAR0_EL1), write_to_read_only },
  1572		{ SYS_DESC(SYS_ICC_EOIR0_EL1), read_from_write_only },
  1573		{ SYS_DESC(SYS_ICC_HPPIR0_EL1), write_to_read_only },
  1574		{ SYS_DESC(SYS_ICC_DIR_EL1), read_from_write_only },
  1575		{ SYS_DESC(SYS_ICC_RPR_EL1), write_to_read_only },
  1576		{ SYS_DESC(SYS_ICC_SGI1R_EL1), access_gic_sgi },
  1577		{ SYS_DESC(SYS_ICC_ASGI1R_EL1), access_gic_sgi },
  1578		{ SYS_DESC(SYS_ICC_SGI0R_EL1), access_gic_sgi },
  1579		{ SYS_DESC(SYS_ICC_IAR1_EL1), write_to_read_only },
  1580		{ SYS_DESC(SYS_ICC_EOIR1_EL1), read_from_write_only },
  1581		{ SYS_DESC(SYS_ICC_HPPIR1_EL1), write_to_read_only },
  1582		{ SYS_DESC(SYS_ICC_SRE_EL1), access_gic_sre },
  1583	
  1584		{ SYS_DESC(SYS_CONTEXTIDR_EL1), access_vm_reg, reset_val, CONTEXTIDR_EL1, 0 },
  1585		{ SYS_DESC(SYS_TPIDR_EL1), NULL, reset_unknown, TPIDR_EL1 },
  1586	
  1587		{ SYS_DESC(SYS_CNTKCTL_EL1), NULL, reset_val, CNTKCTL_EL1, 0},
  1588	
  1589		{ SYS_DESC(SYS_CCSIDR_EL1), access_ccsidr },
  1590		{ SYS_DESC(SYS_CLIDR_EL1), access_clidr },
  1591		{ SYS_DESC(SYS_CSSELR_EL1), access_csselr, reset_unknown, CSSELR_EL1 },
  1592		{ SYS_DESC(SYS_CTR_EL0), access_ctr },
  1593	
  1594		{ SYS_DESC(SYS_PMCR_EL0), access_pmcr, reset_pmcr, PMCR_EL0 },
  1595		{ SYS_DESC(SYS_PMCNTENSET_EL0), access_pmcnten, reset_unknown, PMCNTENSET_EL0 },
  1596		{ SYS_DESC(SYS_PMCNTENCLR_EL0), access_pmcnten, reset_unknown, PMCNTENSET_EL0 },
  1597		{ SYS_DESC(SYS_PMOVSCLR_EL0), access_pmovs, reset_unknown, PMOVSSET_EL0 },
  1598		{ SYS_DESC(SYS_PMSWINC_EL0), access_pmswinc, reset_unknown, PMSWINC_EL0 },
  1599		{ SYS_DESC(SYS_PMSELR_EL0), access_pmselr, reset_unknown, PMSELR_EL0 },
  1600		{ SYS_DESC(SYS_PMCEID0_EL0), access_pmceid },
  1601		{ SYS_DESC(SYS_PMCEID1_EL0), access_pmceid },
  1602		{ SYS_DESC(SYS_PMCCNTR_EL0), access_pmu_evcntr, reset_unknown, PMCCNTR_EL0 },
  1603		{ SYS_DESC(SYS_PMXEVTYPER_EL0), access_pmu_evtyper },
  1604		{ SYS_DESC(SYS_PMXEVCNTR_EL0), access_pmu_evcntr },
  1605		/*
  1606		 * PMUSERENR_EL0 resets as unknown in 64bit mode while it resets as zero
  1607		 * in 32bit mode. Here we choose to reset it as zero for consistency.
  1608		 */
  1609		{ SYS_DESC(SYS_PMUSERENR_EL0), access_pmuserenr, reset_val, PMUSERENR_EL0, 0 },
  1610		{ SYS_DESC(SYS_PMOVSSET_EL0), access_pmovs, reset_unknown, PMOVSSET_EL0 },
  1611	
  1612		{ SYS_DESC(SYS_TPIDR_EL0), NULL, reset_unknown, TPIDR_EL0 },
  1613		{ SYS_DESC(SYS_TPIDRRO_EL0), NULL, reset_unknown, TPIDRRO_EL0 },
  1614	
  1615		{ SYS_DESC(SYS_AMCR_EL0), access_amu },
  1616		{ SYS_DESC(SYS_AMCFGR_EL0), access_amu },
  1617		{ SYS_DESC(SYS_AMCGCR_EL0), access_amu },
  1618		{ SYS_DESC(SYS_AMUSERENR_EL0), access_amu },
  1619		{ SYS_DESC(SYS_AMCNTENCLR0_EL0), access_amu },
  1620		{ SYS_DESC(SYS_AMCNTENSET0_EL0), access_amu },
  1621		{ SYS_DESC(SYS_AMCNTENCLR1_EL0), access_amu },
  1622		{ SYS_DESC(SYS_AMCNTENSET1_EL0), access_amu },
  1623		AMU_AMEVCNTR0_EL0(0),
  1624		AMU_AMEVCNTR0_EL0(1),
  1625		AMU_AMEVCNTR0_EL0(2),
  1626		AMU_AMEVCNTR0_EL0(3),
  1627		AMU_AMEVCNTR0_EL0(4),
  1628		AMU_AMEVCNTR0_EL0(5),
  1629		AMU_AMEVCNTR0_EL0(6),
  1630		AMU_AMEVCNTR0_EL0(7),
  1631		AMU_AMEVCNTR0_EL0(8),
  1632		AMU_AMEVCNTR0_EL0(9),
  1633		AMU_AMEVCNTR0_EL0(10),
  1634		AMU_AMEVCNTR0_EL0(11),
  1635		AMU_AMEVCNTR0_EL0(12),
  1636		AMU_AMEVCNTR0_EL0(13),
  1637		AMU_AMEVCNTR0_EL0(14),
  1638		AMU_AMEVCNTR0_EL0(15),
  1639		AMU_AMEVTYPE0_EL0(0),
  1640		AMU_AMEVTYPE0_EL0(1),
  1641		AMU_AMEVTYPE0_EL0(2),
  1642		AMU_AMEVTYPE0_EL0(3),
  1643		AMU_AMEVTYPE0_EL0(4),
  1644		AMU_AMEVTYPE0_EL0(5),
  1645		AMU_AMEVTYPE0_EL0(6),
  1646		AMU_AMEVTYPE0_EL0(7),
  1647		AMU_AMEVTYPE0_EL0(8),
  1648		AMU_AMEVTYPE0_EL0(9),
  1649		AMU_AMEVTYPE0_EL0(10),
  1650		AMU_AMEVTYPE0_EL0(11),
  1651		AMU_AMEVTYPE0_EL0(12),
  1652		AMU_AMEVTYPE0_EL0(13),
  1653		AMU_AMEVTYPE0_EL0(14),
  1654		AMU_AMEVTYPE0_EL0(15),
  1655		AMU_AMEVCNTR1_EL0(0),
  1656		AMU_AMEVCNTR1_EL0(1),
  1657		AMU_AMEVCNTR1_EL0(2),
  1658		AMU_AMEVCNTR1_EL0(3),
  1659		AMU_AMEVCNTR1_EL0(4),
  1660		AMU_AMEVCNTR1_EL0(5),
  1661		AMU_AMEVCNTR1_EL0(6),
  1662		AMU_AMEVCNTR1_EL0(7),
  1663		AMU_AMEVCNTR1_EL0(8),
  1664		AMU_AMEVCNTR1_EL0(9),
  1665		AMU_AMEVCNTR1_EL0(10),
  1666		AMU_AMEVCNTR1_EL0(11),
  1667		AMU_AMEVCNTR1_EL0(12),
  1668		AMU_AMEVCNTR1_EL0(13),
  1669		AMU_AMEVCNTR1_EL0(14),
  1670		AMU_AMEVCNTR1_EL0(15),
  1671		AMU_AMEVTYPE1_EL0(0),
  1672		AMU_AMEVTYPE1_EL0(1),
  1673		AMU_AMEVTYPE1_EL0(2),
  1674		AMU_AMEVTYPE1_EL0(3),
  1675		AMU_AMEVTYPE1_EL0(4),
  1676		AMU_AMEVTYPE1_EL0(5),
  1677		AMU_AMEVTYPE1_EL0(6),
  1678		AMU_AMEVTYPE1_EL0(7),
  1679		AMU_AMEVTYPE1_EL0(8),
  1680		AMU_AMEVTYPE1_EL0(9),
  1681		AMU_AMEVTYPE1_EL0(10),
  1682		AMU_AMEVTYPE1_EL0(11),
  1683		AMU_AMEVTYPE1_EL0(12),
  1684		AMU_AMEVTYPE1_EL0(13),
  1685		AMU_AMEVTYPE1_EL0(14),
  1686		AMU_AMEVTYPE1_EL0(15),
  1687	
  1688		{ SYS_DESC(SYS_CNTP_TVAL_EL0), access_arch_timer },
  1689		{ SYS_DESC(SYS_CNTP_CTL_EL0), access_arch_timer },
  1690		{ SYS_DESC(SYS_CNTP_CVAL_EL0), access_arch_timer },
  1691	
  1692		/* PMEVCNTRn_EL0 */
  1693		PMU_PMEVCNTR_EL0(0),
  1694		PMU_PMEVCNTR_EL0(1),
  1695		PMU_PMEVCNTR_EL0(2),
  1696		PMU_PMEVCNTR_EL0(3),
  1697		PMU_PMEVCNTR_EL0(4),
  1698		PMU_PMEVCNTR_EL0(5),
  1699		PMU_PMEVCNTR_EL0(6),
  1700		PMU_PMEVCNTR_EL0(7),
  1701		PMU_PMEVCNTR_EL0(8),
  1702		PMU_PMEVCNTR_EL0(9),
  1703		PMU_PMEVCNTR_EL0(10),
  1704		PMU_PMEVCNTR_EL0(11),
  1705		PMU_PMEVCNTR_EL0(12),
  1706		PMU_PMEVCNTR_EL0(13),
  1707		PMU_PMEVCNTR_EL0(14),
  1708		PMU_PMEVCNTR_EL0(15),
  1709		PMU_PMEVCNTR_EL0(16),
  1710		PMU_PMEVCNTR_EL0(17),
  1711		PMU_PMEVCNTR_EL0(18),
  1712		PMU_PMEVCNTR_EL0(19),
  1713		PMU_PMEVCNTR_EL0(20),
  1714		PMU_PMEVCNTR_EL0(21),
  1715		PMU_PMEVCNTR_EL0(22),
  1716		PMU_PMEVCNTR_EL0(23),
  1717		PMU_PMEVCNTR_EL0(24),
  1718		PMU_PMEVCNTR_EL0(25),
  1719		PMU_PMEVCNTR_EL0(26),
  1720		PMU_PMEVCNTR_EL0(27),
  1721		PMU_PMEVCNTR_EL0(28),
  1722		PMU_PMEVCNTR_EL0(29),
  1723		PMU_PMEVCNTR_EL0(30),
  1724		/* PMEVTYPERn_EL0 */
  1725		PMU_PMEVTYPER_EL0(0),
  1726		PMU_PMEVTYPER_EL0(1),
  1727		PMU_PMEVTYPER_EL0(2),
  1728		PMU_PMEVTYPER_EL0(3),
  1729		PMU_PMEVTYPER_EL0(4),
  1730		PMU_PMEVTYPER_EL0(5),
  1731		PMU_PMEVTYPER_EL0(6),
  1732		PMU_PMEVTYPER_EL0(7),
  1733		PMU_PMEVTYPER_EL0(8),
  1734		PMU_PMEVTYPER_EL0(9),
  1735		PMU_PMEVTYPER_EL0(10),
  1736		PMU_PMEVTYPER_EL0(11),
  1737		PMU_PMEVTYPER_EL0(12),
  1738		PMU_PMEVTYPER_EL0(13),
  1739		PMU_PMEVTYPER_EL0(14),
  1740		PMU_PMEVTYPER_EL0(15),
  1741		PMU_PMEVTYPER_EL0(16),
  1742		PMU_PMEVTYPER_EL0(17),
  1743		PMU_PMEVTYPER_EL0(18),
  1744		PMU_PMEVTYPER_EL0(19),
  1745		PMU_PMEVTYPER_EL0(20),
  1746		PMU_PMEVTYPER_EL0(21),
  1747		PMU_PMEVTYPER_EL0(22),
  1748		PMU_PMEVTYPER_EL0(23),
  1749		PMU_PMEVTYPER_EL0(24),
  1750		PMU_PMEVTYPER_EL0(25),
  1751		PMU_PMEVTYPER_EL0(26),
  1752		PMU_PMEVTYPER_EL0(27),
  1753		PMU_PMEVTYPER_EL0(28),
  1754		PMU_PMEVTYPER_EL0(29),
  1755		PMU_PMEVTYPER_EL0(30),
  1756		/*
  1757		 * PMCCFILTR_EL0 resets as unknown in 64bit mode while it resets as zero
  1758		 * in 32bit mode. Here we choose to reset it as zero for consistency.
  1759		 */
  1760		{ SYS_DESC(SYS_PMCCFILTR_EL0), access_pmu_evtyper, reset_val, PMCCFILTR_EL0, 0 },
  1761	
  1762		{ SYS_DESC(SYS_DACR32_EL2), NULL, reset_unknown, DACR32_EL2 },
  1763		{ SYS_DESC(SYS_IFSR32_EL2), NULL, reset_unknown, IFSR32_EL2 },
  1764		{ SYS_DESC(SYS_FPEXC32_EL2), NULL, reset_val, FPEXC32_EL2, 0x700 },
  1765	};
  1766	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx

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