Unverified Commit f32b4b46 authored by Jamie Iles's avatar Jamie Iles Committed by Palmer Dabbelt
Browse files

RISC-V: enable dynamic ftrace for RV32I 



The RISC-V mcount function is now capable of supporting RV32I so make it
available in the kernel config.

Signed-off-by: default avatarJamie Iles <jamie@jamieiles.com>
Link: https://lore.kernel.org/r/20221115200832.706370-5-jamie@jamieiles.com


Signed-off-by: default avatarPalmer Dabbelt <palmer@rivosinc.com>
parent dc58a24d

arch/riscv/Kconfig

+5 −5
Original line number Diff line number Diff line
@@ -129,6 +129,11 @@ 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_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



config ARCH_MMAP_RND_BITS_MIN

	default 18 if 64BIT
@@ -274,11 +279,6 @@ config ARCH_RV64I 
	bool "RV64I"

	select 64BIT

	select ARCH_SUPPORTS_INT128 if CC_HAS_INT128

	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 if !XIP_KERNEL

	select HAVE_FUNCTION_GRAPH_TRACER

	select HAVE_FUNCTION_TRACER if !XIP_KERNEL

	select SWIOTLB if MMU



endchoice