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authorLinus Torvalds <torvalds@linux-foundation.org>2023-09-01 18:09:48 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2023-09-01 18:09:48 +0300
commite0152e7481c6c63764d6ea8ee41af5cf9dfac5e9 (patch)
treed0cf6b7764b3dfe238fcaae2039c934580f40af3 /lib
parenta031eba2956863457b2680453ca45515a1605a47 (diff)
parent89775a27ff6d0396b44de0d6f44dcbc25221fdda (diff)
downloadlinux-e0152e7481c6c63764d6ea8ee41af5cf9dfac5e9.tar.xz
Merge tag 'riscv-for-linus-6.6-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V updates from Palmer Dabbelt: - Support for the new "riscv,isa-extensions" and "riscv,isa-base" device tree interfaces for probing extensions - Support for userspace access to the performance counters - Support for more instructions in kprobes - Crash kernels can be allocated above 4GiB - Support for KCFI - Support for ELFs in !MMU configurations - ARCH_KMALLOC_MINALIGN has been reduced to 8 - mmap() defaults to sv48-sized addresses, with longer addresses hidden behind a hint (similar to Arm and Intel) - Also various fixes and cleanups * tag 'riscv-for-linus-6.6-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (51 commits) lib/Kconfig.debug: Restrict DEBUG_INFO_SPLIT for RISC-V riscv: support PREEMPT_DYNAMIC with static keys riscv: Move create_tmp_mapping() to init sections riscv: Mark KASAN tmp* page tables variables as static riscv: mm: use bitmap_zero() API riscv: enable DEBUG_FORCE_FUNCTION_ALIGN_64B riscv: remove redundant mv instructions RISC-V: mm: Document mmap changes RISC-V: mm: Update pgtable comment documentation RISC-V: mm: Add tests for RISC-V mm RISC-V: mm: Restrict address space for sv39,sv48,sv57 riscv: enable DMA_BOUNCE_UNALIGNED_KMALLOC for !dma_coherent riscv: allow kmalloc() caches aligned to the smallest value riscv: support the elf-fdpic binfmt loader binfmt_elf_fdpic: support 64-bit systems riscv: Allow CONFIG_CFI_CLANG to be selected riscv/purgatory: Disable CFI riscv: Add CFI error handling riscv: Add ftrace_stub_graph riscv: Add types to indirectly called assembly functions ...
Diffstat (limited to 'lib')
-rw-r--r--lib/Kconfig.debug7
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index a8a1b0ac8b22..319cfbeb0738 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -355,6 +355,11 @@ endchoice # "Compressed Debug information"
config DEBUG_INFO_SPLIT
bool "Produce split debuginfo in .dwo files"
depends on $(cc-option,-gsplit-dwarf)
+ # RISC-V linker relaxation + -gsplit-dwarf has issues with LLVM and GCC
+ # prior to 12.x:
+ # https://github.com/llvm/llvm-project/issues/56642
+ # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99090
+ depends on !RISCV || GCC_VERSION >= 120000
help
Generate debug info into separate .dwo files. This significantly
reduces the build directory size for builds with DEBUG_INFO,
@@ -502,7 +507,7 @@ config SECTION_MISMATCH_WARN_ONLY
config DEBUG_FORCE_FUNCTION_ALIGN_64B
bool "Force all function address 64B aligned"
- depends on EXPERT && (X86_64 || ARM64 || PPC32 || PPC64 || ARC || S390)
+ depends on EXPERT && (X86_64 || ARM64 || PPC32 || PPC64 || ARC || RISCV || S390)
select FUNCTION_ALIGNMENT_64B
help
There are cases that a commit from one domain changes the function