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author | Thorsten Leemhuis <fedora@leemhuis.info> | 2021-03-17 19:28:27 +0100 |
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committer | Thorsten Leemhuis <fedora@leemhuis.info> | 2021-03-17 19:28:27 +0100 |
commit | 36612881cdd4f86e0750ab3a7149a64d1a717197 (patch) | |
tree | f120aa714ac976ab052e3c93c4967722b97c880d /configs/fedora/generic/arm/aarch64/CONFIG_ARM64_ERRATUM_1508412 | |
parent | 7ab9566018bce84f450016d48f15f7bb9f0ed066 (diff) | |
parent | fbd0b1b80f0345cff6447216d2c9ad509c13be53 (diff) | |
download | kernel-36612881cdd4f86e0750ab3a7149a64d1a717197.tar.gz kernel-36612881cdd4f86e0750ab3a7149a64d1a717197.tar.xz kernel-36612881cdd4f86e0750ab3a7149a64d1a717197.zip |
merge originkernel-5.11.7-250.vanilla.1.fc33
Diffstat (limited to 'configs/fedora/generic/arm/aarch64/CONFIG_ARM64_ERRATUM_1508412')
-rw-r--r-- | configs/fedora/generic/arm/aarch64/CONFIG_ARM64_ERRATUM_1508412 | 29 |
1 files changed, 0 insertions, 29 deletions
diff --git a/configs/fedora/generic/arm/aarch64/CONFIG_ARM64_ERRATUM_1508412 b/configs/fedora/generic/arm/aarch64/CONFIG_ARM64_ERRATUM_1508412 deleted file mode 100644 index 749f590b1..000000000 --- a/configs/fedora/generic/arm/aarch64/CONFIG_ARM64_ERRATUM_1508412 +++ /dev/null @@ -1,29 +0,0 @@ -# CONFIG_ARM64_ERRATUM_1508412: -# -# This option adds a workaround for Arm Cortex-A77 erratum 1508412. -# -# Affected Cortex-A77 cores (r0p0, r1p0) could deadlock on a sequence -# of a store-exclusive or read of PAR_EL1 and a load with device or -# non-cacheable memory attributes. The workaround depends on a firmware -# counterpart. -# -# KVM guests must also have the workaround implemented or they can -# deadlock the system. -# -# Work around the issue by inserting DMB SY barriers around PAR_EL1 -# register reads and warning KVM users. The DMB barrier is sufficient -# to prevent a speculative PAR_EL1 read. -# -# If unsure, say Y. -# -# Symbol: ARM64_ERRATUM_1508412 [=y] -# Type : bool -# Defined at arch/arm64/Kconfig:639 -# Prompt: Cortex-A77: 1508412: workaround deadlock on sequence of NC/Device load and store exclusive or PAR read -# Location: -# -> Kernel Features -# -> ARM errata workarounds via the alternatives framework -# -# -# -CONFIG_ARM64_ERRATUM_1508412=y |