Merge remote-tracking branches 'asoc/topic/ab8500', 'asoc/topic/adau17x1', 'asoc...

[cascardo/linux.git] / lib / Kconfig.debug

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index f75a33f..8bfd1ac 100644 (file)
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -1400,6 +1400,21 @@ config RCU_EQS_DEBUG
 
 endmenu # "RCU Debugging"
 
+config DEBUG_WQ_FORCE_RR_CPU
+       bool "Force round-robin CPU selection for unbound work items"
+       depends on DEBUG_KERNEL
+       default n
+       help
+         Workqueue used to implicitly guarantee that work items queued
+         without explicit CPU specified are put on the local CPU.  This
+         guarantee is no longer true and while local CPU is still
+         preferred work items may be put on foreign CPUs.  Kernel
+         parameter "workqueue.debug_force_rr_cpu" is added to force
+         round-robin CPU selection to flush out usages which depend on the
+         now broken guarantee.  This config option enables the debug
+         feature by default.  When enabled, memory and cache locality will
+         be impacted.
+
 config DEBUG_BLOCK_EXT_DEVT
         bool "Force extended block device numbers and spread them"
        depends on DEBUG_KERNEL
@@ -1893,6 +1908,8 @@ source "samples/Kconfig"
 
 source "lib/Kconfig.kgdb"
 
+source "lib/Kconfig.ubsan"
+
 config ARCH_HAS_DEVMEM_IS_ALLOWED
        bool
 
@@ -1919,7 +1936,6 @@ config STRICT_DEVMEM
 config IO_STRICT_DEVMEM
        bool "Filter I/O access to /dev/mem"
        depends on STRICT_DEVMEM
-       default STRICT_DEVMEM
        ---help---
          If this option is disabled, you allow userspace (root) access to all
          io-memory regardless of whether a driver is actively using that