Merge tag 'linux-kselftest-kunit-5.10-rc1' of git://git.kernel.org/pub/scm/linux...

[mirror_ubuntu-jammy-kernel.git] / lib / Kconfig.debug

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 4f09c6505a2e890362799f235be259901b0cf976..66d44d35cc97f939db21f14e24432e91b540e09d 100644 (file)
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -520,8 +520,8 @@ config DEBUG_FS_ALLOW_NONE
 endchoice
 
 source "lib/Kconfig.kgdb"
-
 source "lib/Kconfig.ubsan"
+source "lib/Kconfig.kcsan"
 
 endmenu
 
@@ -1367,6 +1367,27 @@ 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
@@ -1620,8 +1641,6 @@ config PROVIDE_OHCI1394_DMA_INIT
 
 source "samples/Kconfig"
 
-source "lib/Kconfig.kcsan"
-
 config ARCH_HAS_DEVMEM_IS_ALLOWED
        bool
 
@@ -1770,6 +1789,13 @@ 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
@@ -2378,6 +2404,15 @@ 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