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kernel: Introducing Tracepoint Hook Type Support

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Tracepoint is a predefined hook point in the kernel, compared to Kprobe,
it is more stable and has lower performance overhead, although compatibility
is relatively poor, it is still worth trying

By the way, we have also included the config definitions related to hook types
in Kconfig, to enhance cleanliness

These patches is based on https://github.com/backslashxx/KernelSU/issues/5

Co-authored-by: Cloud_Yun <1770669041@qq.com>
Co-authored-by: Prslc <prslc113@gmail.com>
This commit is contained in:
Prslc
2025-08-13 21:25:52 +08:00
committed by ShirkNeko
parent ffdaf13fbd
commit ef399712dc
7 changed files with 202 additions and 17 deletions
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39
kernel/Kconfig
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@@ -22,14 +22,6 @@ config KSU_MULTI_MANAGER_SUPPORT
help
Enable multi KernelSU manager support
config KSU_MANUAL_HOOK
bool "Manual hooking GKI kernels without kprobes"
depends on KSU && KSU != m
default n
help
If enabled, Hook required KernelSU syscalls with manually-patched function.
If disabled, Hook required KernelSU syscalls with Kernel-probe.
config KSU_ALLOWLIST_WORKAROUND
bool "KernelSU Session Keyring Init workaround"
depends on KSU
@@ -49,13 +41,40 @@ config KSU_CMDLINE
config KPM
bool "Enable SukiSU KPM"
depends on KSU && 64BIT
select KALLSYMS
select KALLSYMS_ALL
default n
help
Enabling this option will activate the KPM feature of SukiSU.
This option is suitable for scenarios where you need to force KPM to be enabled.
but it may affect system stability.
select KALLSYMS
select KALLSYMS_ALL
choice
prompt "KernelSU hook type"
depends on KSU
default KSU_KPROBES_HOOK
help
Hook type for KernelSU
config KSU_KPROBES_HOOK
bool "Hook KernelSU with Kprobes"
depends on KPROBES
help
If enabled, Hook required KernelSU syscalls with Kernel-probe.
config KSU_TRACEPOINT_HOOK
bool "Hook KernelSU with Tracepoint"
depends on TRACEPOINTS
help
If enabled, Hook required KernelSU syscalls with Tracepoint.
config KSU_MANUAL_HOOK
bool "Hook KernelSU manually"
depends on KSU != m
help
If enabled, Hook required KernelSU syscalls with manually-patched function.
endchoice
menu "KernelSU - SUSFS"
config KSU_SUSFS