linux/arch/arm64/tools/cpucaps
Will Deacon c0cd1d5417 Revert "arm64: errata: Workaround possible Cortex-A715 [ESR|FAR]_ELx corruption"
This reverts commit 44ecda71fd.

All versions of this patch on the mailing list, including the version
that ended up getting merged, have portions of code guarded by the
non-existent CONFIG_ARM64_WORKAROUND_2645198 option. Although Anshuman
says he tested the code with some additional debug changes [1], I'm
hesitant to fix the CONFIG option and light up a bunch of code right
before I (and others) disappear for the end of year holidays, during
which time we won't be around to deal with any fallout.

So revert the change for now. We can bring back a fixed, tested version
for a later -rc when folks are thinking about things other than trees
and turkeys.

[1] https://lore.kernel.org/r/b6f61241-e436-5db1-1053-3b441080b8d6@arm.com
Reported-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Link: https://lore.kernel.org/r/20221215094811.23188-1-lukas.bulwahn@gmail.com
Signed-off-by: Will Deacon <will@kernel.org>
2022-12-15 17:59:12 +00:00

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# SPDX-License-Identifier: GPL-2.0
#
# Internal CPU capabilities constants, keep this list sorted
ALWAYS_BOOT
ALWAYS_SYSTEM
BTI
# Unreliable: use system_supports_32bit_el0() instead.
HAS_32BIT_EL0_DO_NOT_USE
HAS_32BIT_EL1
HAS_ADDRESS_AUTH
HAS_ADDRESS_AUTH_ARCH_QARMA3
HAS_ADDRESS_AUTH_ARCH_QARMA5
HAS_ADDRESS_AUTH_IMP_DEF
HAS_AMU_EXTN
HAS_ARMv8_4_TTL
HAS_CACHE_DIC
HAS_CACHE_IDC
HAS_CNP
HAS_CRC32
HAS_DCPODP
HAS_DCPOP
HAS_DIT
HAS_E0PD
HAS_ECV
HAS_EPAN
HAS_GENERIC_AUTH
HAS_GENERIC_AUTH_ARCH_QARMA3
HAS_GENERIC_AUTH_ARCH_QARMA5
HAS_GENERIC_AUTH_IMP_DEF
HAS_IRQ_PRIO_MASKING
HAS_LDAPR
HAS_LSE_ATOMICS
HAS_NO_FPSIMD
HAS_NO_HW_PREFETCH
HAS_PAN
HAS_RAS_EXTN
HAS_RNG
HAS_SB
HAS_STAGE2_FWB
HAS_SYSREG_GIC_CPUIF
HAS_TIDCP1
HAS_TLB_RANGE
HAS_VIRT_HOST_EXTN
HAS_WFXT
HW_DBM
KVM_PROTECTED_MODE
MISMATCHED_CACHE_TYPE
MTE
MTE_ASYMM
SME
SME_FA64
SPECTRE_V2
SPECTRE_V3A
SPECTRE_V4
SPECTRE_BHB
SSBS
SVE
UNMAP_KERNEL_AT_EL0
WORKAROUND_834220
WORKAROUND_843419
WORKAROUND_845719
WORKAROUND_858921
WORKAROUND_1418040
WORKAROUND_1463225
WORKAROUND_1508412
WORKAROUND_1542419
WORKAROUND_1742098
WORKAROUND_1902691
WORKAROUND_2038923
WORKAROUND_2064142
WORKAROUND_2077057
WORKAROUND_2457168
WORKAROUND_2658417
WORKAROUND_TRBE_OVERWRITE_FILL_MODE
WORKAROUND_TSB_FLUSH_FAILURE
WORKAROUND_TRBE_WRITE_OUT_OF_RANGE
WORKAROUND_CAVIUM_23154
WORKAROUND_CAVIUM_27456
WORKAROUND_CAVIUM_30115
WORKAROUND_CAVIUM_TX2_219_PRFM
WORKAROUND_CAVIUM_TX2_219_TVM
WORKAROUND_CLEAN_CACHE
WORKAROUND_DEVICE_LOAD_ACQUIRE
WORKAROUND_NVIDIA_CARMEL_CNP
WORKAROUND_QCOM_FALKOR_E1003
WORKAROUND_REPEAT_TLBI
WORKAROUND_SPECULATIVE_AT