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authorJisheng Zhang <jszhang@kernel.org>2021-05-10 18:28:38 +0200
committerPalmer Dabbelt <palmerdabbelt@google.com>2021-06-11 01:33:50 +0200
commit42e0e0b453bc6ead49c573ed512502069627546b (patch)
treed99110186f8d458dfe18d35fe30f0b41afc3662a /arch
parentriscv: xip: support runtime trap patching (diff)
downloadlinux-42e0e0b453bc6ead49c573ed512502069627546b.tar.xz
linux-42e0e0b453bc6ead49c573ed512502069627546b.zip
riscv: code patching only works on !XIP_KERNEL
Some features which need code patching such as KPROBES, DYNAMIC_FTRACE KGDB can only work on !XIP_KERNEL. Add dependencies for these features that rely on code patching. Signed-off-by: Jisheng Zhang <jszhang@kernel.org> Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/riscv/Kconfig18
1 files changed, 9 insertions, 9 deletions
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index c5914e70a0fd..18ec0f9bb8d5 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -61,11 +61,11 @@ config RISCV
select GENERIC_TIME_VSYSCALL if MMU && 64BIT
select HANDLE_DOMAIN_IRQ
select HAVE_ARCH_AUDITSYSCALL
- select HAVE_ARCH_JUMP_LABEL
- select HAVE_ARCH_JUMP_LABEL_RELATIVE
+ select HAVE_ARCH_JUMP_LABEL if !XIP_KERNEL
+ select HAVE_ARCH_JUMP_LABEL_RELATIVE if !XIP_KERNEL
select HAVE_ARCH_KASAN if MMU && 64BIT
select HAVE_ARCH_KASAN_VMALLOC if MMU && 64BIT
- select HAVE_ARCH_KGDB
+ select HAVE_ARCH_KGDB if !XIP_KERNEL
select HAVE_ARCH_KGDB_QXFER_PKT
select HAVE_ARCH_MMAP_RND_BITS if MMU
select HAVE_ARCH_SECCOMP_FILTER
@@ -80,9 +80,9 @@ config RISCV
select HAVE_GCC_PLUGINS
select HAVE_GENERIC_VDSO if MMU && 64BIT
select HAVE_IRQ_TIME_ACCOUNTING
- select HAVE_KPROBES
- select HAVE_KPROBES_ON_FTRACE
- select HAVE_KRETPROBES
+ select HAVE_KPROBES if !XIP_KERNEL
+ select HAVE_KPROBES_ON_FTRACE if !XIP_KERNEL
+ select HAVE_KRETPROBES if !XIP_KERNEL
select HAVE_PCI
select HAVE_PERF_EVENTS
select HAVE_PERF_REGS
@@ -231,11 +231,11 @@ config ARCH_RV64I
bool "RV64I"
select 64BIT
select ARCH_SUPPORTS_INT128 if CC_HAS_INT128 && GCC_VERSION >= 50000
- select HAVE_DYNAMIC_FTRACE if MMU && $(cc-option,-fpatchable-function-entry=8)
+ select HAVE_DYNAMIC_FTRACE if !XIP_KERNEL && MMU && $(cc-option,-fpatchable-function-entry=8)
select HAVE_DYNAMIC_FTRACE_WITH_REGS if HAVE_DYNAMIC_FTRACE
- select HAVE_FTRACE_MCOUNT_RECORD
+ select HAVE_FTRACE_MCOUNT_RECORD if !XIP_KERNEL
select HAVE_FUNCTION_GRAPH_TRACER
- select HAVE_FUNCTION_TRACER
+ select HAVE_FUNCTION_TRACER if !XIP_KERNEL
select SWIOTLB if MMU
endchoice