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| author |  Will Deacon <will@kernel.org>
| 2022-12-06 11:01:49 +0000 |
|---|---|---|
| committer | Will Deacon <will@kernel.org>
| 2022-12-06 11:01:49 +0000 |
| commit | f6ffa4c8c177c0b52d1c849289b08178f6da0eea (patch) | |
| tree | 299791f71bfb2a9e9312e59ebcc8d4b157f8b5bc /arch/arm64/Kconfig | |
| parent | Merge branch 'for-next/cpufeature' into for-next/core (diff) | |
| parent | arm64: implement dynamic shadow call stack for Clang (diff) | |
| download | linux-f6ffa4c8c177c0b52d1c849289b08178f6da0eea.tar.gz linux-f6ffa4c8c177c0b52d1c849289b08178f6da0eea.tar.bz2 linux-f6ffa4c8c177c0b52d1c849289b08178f6da0eea.zip | |
Merge branch 'for-next/dynamic-scs' into for-next/core
* for-next/dynamic-scs:
arm64: implement dynamic shadow call stack for Clang
scs: add support for dynamic shadow call stacks
arm64: unwind: add asynchronous unwind tables to kernel and modules
Diffstat (limited to 'arch/arm64/Kconfig')
| -rw-r--r-- | arch/arm64/Kconfig | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 16c2a7d68ca4..1a1bd71ae294 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -371,6 +371,9 @@ config KASAN_SHADOW_OFFSET default 0xeffffff800000000 if ARM64_VA_BITS_36 && KASAN_SW_TAGS default 0xffffffffffffffff +config UNWIND_TABLES + bool + source "arch/arm64/Kconfig.platforms" menu "Kernel Features" @@ -2158,6 +2161,15 @@ config ARCH_NR_GPIO If unsure, leave the default value. +config UNWIND_PATCH_PAC_INTO_SCS + bool "Enable shadow call stack dynamically using code patching" + # needs Clang with https://reviews.llvm.org/D111780 incorporated + depends on CC_IS_CLANG && CLANG_VERSION >= 150000 + depends on ARM64_PTR_AUTH_KERNEL && CC_HAS_BRANCH_PROT_PAC_RET + depends on SHADOW_CALL_STACK + select UNWIND_TABLES + select DYNAMIC_SCS + endmenu # "Kernel Features" menu "Boot options" |