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| author | Kristina Martsenko <kristina.martsenko@arm.com> | 2018-12-07 18:39:28 +0000 |
|---|---|---|
| committer | Will Deacon <will.deacon@arm.com> | 2018-12-13 16:42:46 +0000 |
| commit | ba830885656414101b2f8ca88786524d4bb5e8c1 (patch) | |
| tree | 9112fbf1aee1ffcb239e5c24b767208ae0a8eec2 /arch/arm64/kernel/Makefile | |
| parent | ccc43810827f9feb5e588e4b7098dc55b1d972f8 (diff) | |
| download | linux-ba830885656414101b2f8ca88786524d4bb5e8c1.tar.bz2 | |
arm64: add prctl control for resetting ptrauth keys
Add an arm64-specific prctl to allow a thread to reinitialize its
pointer authentication keys to random values. This can be useful when
exec() is not used for starting new processes, to ensure that different
processes still have different keys.
Signed-off-by: Kristina Martsenko <kristina.martsenko@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'arch/arm64/kernel/Makefile')
| -rw-r--r-- | arch/arm64/kernel/Makefile | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm64/kernel/Makefile b/arch/arm64/kernel/Makefile index 583334ce1c2c..df08d735b21d 100644 --- a/arch/arm64/kernel/Makefile +++ b/arch/arm64/kernel/Makefile @@ -58,6 +58,7 @@ arm64-obj-$(CONFIG_CRASH_DUMP) += crash_dump.o arm64-obj-$(CONFIG_CRASH_CORE) += crash_core.o arm64-obj-$(CONFIG_ARM_SDE_INTERFACE) += sdei.o arm64-obj-$(CONFIG_ARM64_SSBD) += ssbd.o +arm64-obj-$(CONFIG_ARM64_PTR_AUTH) += pointer_auth.o obj-y += $(arm64-obj-y) vdso/ probes/ obj-m += $(arm64-obj-m) |