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-rw-r--r--lib/Kconfig.debug46
1 files changed, 31 insertions, 15 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index fbc89baf7de6..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
@@ -1200,7 +1205,7 @@ config WQ_CPU_INTENSIVE_REPORT
help
Say Y here to enable reporting of concurrency-managed per-cpu work
items that hog CPUs for longer than
- workqueue.cpu_intensive_threshold_us. Workqueue automatically
+ workqueue.cpu_intensive_thresh_us. Workqueue automatically
detects and excludes them from concurrency management to prevent
them from stalling other per-cpu work items. Occassional
triggering may not necessarily indicate a problem. Repeated
@@ -1673,10 +1678,15 @@ menu "Debug kernel data structures"
config DEBUG_LIST
bool "Debug linked list manipulation"
- depends on DEBUG_KERNEL || BUG_ON_DATA_CORRUPTION
+ depends on DEBUG_KERNEL
+ select LIST_HARDENED
help
- Enable this to turn on extended checks in the linked-list
- walking routines.
+ Enable this to turn on extended checks in the linked-list walking
+ routines.
+
+ This option trades better quality error reports for performance, and
+ is more suitable for kernel debugging. If you care about performance,
+ you should only enable CONFIG_LIST_HARDENED instead.
If unsure, say N.
@@ -1710,16 +1720,6 @@ config DEBUG_NOTIFIERS
This is a relatively cheap check but if you care about maximum
performance, say N.
-config BUG_ON_DATA_CORRUPTION
- bool "Trigger a BUG when data corruption is detected"
- select DEBUG_LIST
- help
- Select this option if the kernel should BUG when it encounters
- data corruption in kernel memory structures when they get checked
- for validity.
-
- If unsure, say N.
-
config DEBUG_MAPLE_TREE
bool "Debug maple trees"
depends on DEBUG_KERNEL
@@ -2701,6 +2701,9 @@ config MEMCPY_SLOW_KUNIT_TEST
and bit ranges. These can be very slow, so they are split out
as a separate config, in case they need to be disabled.
+ Note this config option will be replaced by the use of KUnit test
+ attributes.
+
config IS_SIGNED_TYPE_KUNIT_TEST
tristate "Test is_signed_type() macro" if !KUNIT_ALL_TESTS
depends on KUNIT
@@ -3010,6 +3013,19 @@ config RUST_BUILD_ASSERT_ALLOW
If unsure, say N.
+config RUST_KERNEL_DOCTESTS
+ bool "Doctests for the `kernel` crate" if !KUNIT_ALL_TESTS
+ depends on RUST && KUNIT=y
+ default KUNIT_ALL_TESTS
+ help
+ This builds the documentation tests of the `kernel` crate
+ as KUnit tests.
+
+ For more information on KUnit and unit tests in general,
+ please refer to the KUnit documentation in Documentation/dev-tools/kunit/.
+
+ If unsure, say N.
+
endmenu # "Rust"
endmenu # Kernel hacking