diff options
| author | Ingo Molnar <mingo@kernel.org> | 2023-01-18 11:56:01 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2023-01-18 11:56:57 +0100 |
| commit | 65adf3a57c0c2e79c5c2b72a4bdcabcab9e99ec1 (patch) | |
| tree | ee08845127f4cd8d6fc816fbaf0e5f6f4330bc58 /arch/arm64/Kconfig | |
| parent | x86/kprobes: Use switch-case for 0xFF opcodes in prepare_emulation (diff) | |
| parent | Linux 6.2-rc4 (diff) | |
| download | linux-65adf3a57c0c2e79c5c2b72a4bdcabcab9e99ec1.tar.xz linux-65adf3a57c0c2e79c5c2b72a4bdcabcab9e99ec1.zip | |
Merge tag 'v6.2-rc4' into perf/core, to pick up fixes
Move from the -rc1 base to the fresher -rc4 kernel that
has various fixes included, before applying a larger
patchset.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/arm64/Kconfig')
| -rw-r--r-- | arch/arm64/Kconfig | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 03934808b2ed..c5ccca26a408 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -184,8 +184,6 @@ config ARM64 select HAVE_DEBUG_KMEMLEAK select HAVE_DMA_CONTIGUOUS select HAVE_DYNAMIC_FTRACE - select HAVE_DYNAMIC_FTRACE_WITH_ARGS \ - if $(cc-option,-fpatchable-function-entry=2) select FTRACE_MCOUNT_USE_PATCHABLE_FUNCTION_ENTRY \ if DYNAMIC_FTRACE_WITH_ARGS select HAVE_EFFICIENT_UNALIGNED_ACCESS @@ -972,6 +970,22 @@ config ARM64_ERRATUM_2457168 If unsure, say Y. +config ARM64_ERRATUM_2645198 + bool "Cortex-A715: 2645198: Workaround possible [ESR|FAR]_ELx corruption" + default y + help + This option adds the workaround for ARM Cortex-A715 erratum 2645198. + + If a Cortex-A715 cpu sees a page mapping permissions change from executable + to non-executable, it may corrupt the ESR_ELx and FAR_ELx registers on the + next instruction abort caused by permission fault. + + Only user-space does executable to non-executable permission transition via + mprotect() system call. Workaround the problem by doing a break-before-make + TLB invalidation, for all changes to executable user space mappings. + + If unsure, say Y. + config CAVIUM_ERRATUM_22375 bool "Cavium erratum 22375, 24313" default y |