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-rw-r--r--arch/riscv/Kconfig23
1 files changed, 20 insertions, 3 deletions
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index d2967fefa1d7..348c0fa1fc8c 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -47,16 +47,16 @@ config RISCV
select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU
select ARCH_WANT_FRAME_POINTERS
select ARCH_WANT_GENERAL_HUGETLB if !RISCV_ISA_SVNAPOT
- select ARCH_WANT_HUGETLB_PAGE_OPTIMIZE_VMEMMAP
select ARCH_WANT_HUGE_PMD_SHARE if 64BIT
select ARCH_WANT_LD_ORPHAN_WARN if !XIP_KERNEL
+ select ARCH_WANT_OPTIMIZE_VMEMMAP
select ARCH_WANTS_THP_SWAP if HAVE_ARCH_TRANSPARENT_HUGEPAGE
select BINFMT_FLAT_NO_DATA_START_OFFSET if !MMU
select BUILDTIME_TABLE_SORT if MMU
select CLINT_TIMER if !MMU
select CLONE_BACKWARDS
select COMMON_CLK
- select CPU_PM if CPU_IDLE
+ select CPU_PM if CPU_IDLE || HIBERNATION
select EDAC_SUPPORT
select GENERIC_ARCH_TOPOLOGY
select GENERIC_ATOMIC64 if !64BIT
@@ -142,12 +142,23 @@ config RISCV
select TRACE_IRQFLAGS_SUPPORT
select UACCESS_MEMCPY if !MMU
select ZONE_DMA32 if 64BIT
- select HAVE_DYNAMIC_FTRACE if !XIP_KERNEL && MMU && $(cc-option,-fpatchable-function-entry=8)
+ select HAVE_DYNAMIC_FTRACE if !XIP_KERNEL && MMU && (CLANG_SUPPORTS_DYNAMIC_FTRACE || GCC_SUPPORTS_DYNAMIC_FTRACE)
select HAVE_DYNAMIC_FTRACE_WITH_REGS if HAVE_DYNAMIC_FTRACE
select HAVE_FTRACE_MCOUNT_RECORD if !XIP_KERNEL
select HAVE_FUNCTION_GRAPH_TRACER
select HAVE_FUNCTION_TRACER if !XIP_KERNEL && !PREEMPTION
+config CLANG_SUPPORTS_DYNAMIC_FTRACE
+ def_bool CC_IS_CLANG
+ # https://github.com/llvm/llvm-project/commit/6ab8927931851bb42b2c93a00801dc499d7d9b1e
+ depends on CLANG_VERSION >= 130000
+ # https://github.com/ClangBuiltLinux/linux/issues/1817
+ depends on AS_IS_GNU || (AS_IS_LLVM && (LD_IS_LLD || LD_VERSION >= 23600))
+
+config GCC_SUPPORTS_DYNAMIC_FTRACE
+ def_bool CC_IS_GCC
+ depends on $(cc-option,-fpatchable-function-entry=8)
+
config ARCH_MMAP_RND_BITS_MIN
default 18 if 64BIT
default 8
@@ -788,6 +799,12 @@ menu "Power management options"
source "kernel/power/Kconfig"
+config ARCH_HIBERNATION_POSSIBLE
+ def_bool y
+
+config ARCH_HIBERNATION_HEADER
+ def_bool HIBERNATION
+
endmenu # "Power management options"
menu "CPU Power Management"