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-rw-r--r--lib/Kconfig.debug44
1 files changed, 42 insertions, 2 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 50cc1c4efadd..6831b798152d 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -395,13 +395,15 @@ endif # DEBUG_INFO
config FRAME_WARN
int "Warn for stack frames larger than"
range 0 8192
+ default 0 if KMSAN
default 2048 if GCC_PLUGIN_LATENT_ENTROPY
default 2048 if PARISC
default 1536 if (!64BIT && XTENSA)
+ default 1280 if KASAN && !64BIT
default 1024 if !64BIT
default 2048 if 64BIT
help
- Tell gcc to warn at build time for stack frames larger than this.
+ Tell the compiler to warn at build time for stack frames larger than this.
Setting this too low will cause a lot of warnings.
Setting it to 0 disables the warning.
@@ -1715,6 +1717,16 @@ config LATENCYTOP
Enable this option if you want to use the LatencyTOP tool
to find out which userspace is blocking on what kernel operations.
+config DEBUG_CGROUP_REF
+ bool "Disable inlining of cgroup css reference count functions"
+ depends on DEBUG_KERNEL
+ depends on CGROUPS
+ depends on KPROBES
+ default n
+ help
+ Force cgroup css reference count functions to not be inlined so
+ that they can be kprobed for debugging.
+
source "kernel/trace/Kconfig"
config PROVIDE_OHCI1394_DMA_INIT
@@ -1873,8 +1885,14 @@ config NETDEV_NOTIFIER_ERROR_INJECT
If unsure, say N.
config FUNCTION_ERROR_INJECTION
- def_bool y
+ bool "Fault-injections of functions"
depends on HAVE_FUNCTION_ERROR_INJECTION && KPROBES
+ help
+ Add fault injections into various functions that are annotated with
+ ALLOW_ERROR_INJECTION() in the kernel. BPF may also modify the return
+ value of theses functions. This is useful to test error paths of code.
+
+ If unsure, say N
config FAULT_INJECTION
bool "Fault-injection framework"
@@ -2106,6 +2124,7 @@ config KPROBES_SANITY_TEST
depends on DEBUG_KERNEL
depends on KPROBES
depends on KUNIT
+ select STACKTRACE if ARCH_CORRECT_STACKTRACE_ON_KRETPROBE
default KUNIT_ALL_TESTS
help
This option provides for testing basic kprobes functionality on
@@ -2237,6 +2256,11 @@ config TEST_UUID
config TEST_XARRAY
tristate "Test the XArray code at runtime"
+config TEST_MAPLE_TREE
+ depends on DEBUG_KERNEL
+ select DEBUG_MAPLE_TREE
+ tristate "Test the Maple Tree code at runtime"
+
config TEST_RHASHTABLE
tristate "Perform selftest on resizable hash table"
help
@@ -2804,6 +2828,22 @@ config RUST_OVERFLOW_CHECKS
If unsure, say Y.
+config RUST_BUILD_ASSERT_ALLOW
+ bool "Allow unoptimized build-time assertions"
+ depends on RUST
+ help
+ Controls how are `build_error!` and `build_assert!` handled during build.
+
+ If calls to them exist in the binary, it may indicate a violated invariant
+ or that the optimizer failed to verify the invariant during compilation.
+
+ This should not happen, thus by default the build is aborted. However,
+ as an escape hatch, you can choose Y here to ignore them during build
+ and let the check be carried at runtime (with `panic!` being called if
+ the check fails).
+
+ If unsure, say N.
+
endmenu # "Rust"
source "Documentation/Kconfig"