diff options
Diffstat (limited to 'lib/Kconfig.debug')
| -rw-r--r-- | lib/Kconfig.debug | 70 |
1 files changed, 57 insertions, 13 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 87410f62b501..c63fc68f9bf2 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -212,9 +212,10 @@ config DEBUG_INFO If unsure, say N. +if DEBUG_INFO + config DEBUG_INFO_REDUCED bool "Reduce debugging information" - depends on DEBUG_INFO help If you say Y here gcc is instructed to generate less debugging information for structure types. This means that tools that @@ -227,7 +228,6 @@ config DEBUG_INFO_REDUCED config DEBUG_INFO_COMPRESSED bool "Compressed debugging information" - depends on DEBUG_INFO depends on $(cc-option,-gz=zlib) depends on $(ld-option,--compress-debug-sections=zlib) help @@ -243,7 +243,6 @@ config DEBUG_INFO_COMPRESSED config DEBUG_INFO_SPLIT bool "Produce split debuginfo in .dwo files" - depends on DEBUG_INFO depends on $(cc-option,-gsplit-dwarf) help Generate debug info into separate .dwo files. This significantly @@ -259,7 +258,6 @@ config DEBUG_INFO_SPLIT config DEBUG_INFO_DWARF4 bool "Generate dwarf4 debuginfo" - depends on DEBUG_INFO depends on $(cc-option,-gdwarf-4) help Generate dwarf4 debug info. This requires recent versions @@ -269,7 +267,6 @@ config DEBUG_INFO_DWARF4 config DEBUG_INFO_BTF bool "Generate BTF typeinfo" - depends on DEBUG_INFO depends on !DEBUG_INFO_SPLIT && !DEBUG_INFO_REDUCED depends on !GCC_PLUGIN_RANDSTRUCT || COMPILE_TEST help @@ -279,7 +276,6 @@ config DEBUG_INFO_BTF config GDB_SCRIPTS bool "Provide GDB scripts for kernel debugging" - depends on DEBUG_INFO help This creates the required links to GDB helper scripts in the build directory. If you load vmlinux into gdb, the helper @@ -288,6 +284,8 @@ config GDB_SCRIPTS instance. See Documentation/dev-tools/gdb-kernel-debugging.rst for further details. +endif # DEBUG_INFO + config ENABLE_MUST_CHECK bool "Enable __must_check logic" default y @@ -1367,6 +1365,27 @@ config WW_MUTEX_SELFTEST Say M if you want these self tests to build as a module. Say N if you are unsure. +config SCF_TORTURE_TEST + tristate "torture tests for smp_call_function*()" + depends on DEBUG_KERNEL + select TORTURE_TEST + help + This option provides a kernel module that runs torture tests + on the smp_call_function() family of primitives. The kernel + module may be built after the fact on the running kernel to + be tested, if desired. + +config CSD_LOCK_WAIT_DEBUG + bool "Debugging for csd_lock_wait(), called from smp_call_function*()" + depends on DEBUG_KERNEL + depends on 64BIT + default n + help + This option enables debug prints when CPUs are slow to respond + to the smp_call_function*() IPI wrappers. These debug prints + include the IPI handler function currently executing (if any) + and relevant stack traces. + endmenu # lock debugging config TRACE_IRQFLAGS @@ -1768,6 +1787,13 @@ config FAIL_PAGE_ALLOC help Provide fault-injection capability for alloc_pages(). +config FAULT_INJECTION_USERCOPY + bool "Fault injection capability for usercopy functions" + depends on FAULT_INJECTION + help + Provides fault-injection capability to inject failures + in usercopy functions (copy_from_user(), get_user(), ...). + config FAIL_MAKE_REQUEST bool "Fault-injection capability for disk IO" depends on FAULT_INJECTION && BLOCK @@ -2035,13 +2061,6 @@ config TEST_BITMAP If unsure, say N. -config TEST_BITFIELD - tristate "Test bitfield functions at runtime" - help - Enable this option to test the bitfield functions at boot. - - If unsure, say N. - config TEST_UUID tristate "Test functions located in the uuid module at runtime" @@ -2191,6 +2210,22 @@ config TEST_SYSCTL If unsure, say N. +config BITFIELD_KUNIT + tristate "KUnit test bitfield functions at runtime" + depends on KUNIT + help + Enable this option to test the bitfield functions at boot. + + KUnit tests run during boot and output the results to the debug log + in TAP format (http://testanything.org/). Only useful for kernel devs + running the KUnit test harness, and not intended for inclusion into a + production build. + + 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. + config SYSCTL_KUNIT_TEST tristate "KUnit test for sysctl" if !KUNIT_ALL_TESTS depends on KUNIT @@ -2367,6 +2402,15 @@ config TEST_HMM If unsure, say N. +config TEST_FREE_PAGES + tristate "Test freeing pages" + help + Test that a memory leak does not occur due to a race between + freeing a block of pages and a speculative page reference. + Loading this module is safe if your kernel has the bug fixed. + If the bug is not fixed, it will leak gigabytes of memory and + probably OOM your system. + config TEST_FPU tristate "Test floating point operations in kernel space" depends on X86 && !KCOV_INSTRUMENT_ALL |