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authorNeilBrown <neilb@suse.de>2010-05-22 00:31:36 +0200
committerNeilBrown <neilb@suse.de>2010-05-22 00:31:36 +0200
commit19fdb9eefb21b72edbc365b838502780c392bad6 (patch)
treedeae04c48532d6eab64ed4b0396737bb854b5506 /lib/Kconfig.debug
parentmd: don't insist on valid event count for spare devices. (diff)
parentsysfs: Implement sysfs tagged directory support. (diff)
downloadlinux-19fdb9eefb21b72edbc365b838502780c392bad6.tar.xz
linux-19fdb9eefb21b72edbc365b838502780c392bad6.zip
Merge commit '3ff195b011d7decf501a4d55aeed312731094796' into for-linus
Conflicts: drivers/md/md.c - Resolved conflict in md_update_sb - Added extra 'NULL' arg to new instance of sysfs_get_dirent. Signed-off-by: NeilBrown <neilb@suse.de>
Diffstat (limited to 'lib/Kconfig.debug')
-rw-r--r--lib/Kconfig.debug34
1 files changed, 31 insertions, 3 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index b520ec1f33c5..d85be90d5888 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -103,7 +103,8 @@ config HEADERS_CHECK
config DEBUG_SECTION_MISMATCH
bool "Enable full Section mismatch analysis"
- depends on UNDEFINED
+ depends on UNDEFINED || (BLACKFIN)
+ default y
# This option is on purpose disabled for now.
# It will be enabled when we are down to a reasonable number
# of section mismatch warnings (< 10 for an allyesconfig build)
@@ -355,7 +356,7 @@ config SLUB_STATS
config DEBUG_KMEMLEAK
bool "Kernel memory leak detector"
depends on DEBUG_KERNEL && EXPERIMENTAL && !MEMORY_HOTPLUG && \
- (X86 || ARM || PPC || S390 || SUPERH)
+ (X86 || ARM || PPC || S390 || SPARC64 || SUPERH || MICROBLAZE)
select DEBUG_FS if SYSFS
select STACKTRACE if STACKTRACE_SUPPORT
@@ -511,6 +512,18 @@ config PROVE_RCU
Say N if you are unsure.
+config PROVE_RCU_REPEATEDLY
+ bool "RCU debugging: don't disable PROVE_RCU on first splat"
+ depends on PROVE_RCU
+ default n
+ help
+ By itself, PROVE_RCU will disable checking upon issuing the
+ first warning (or "splat"). This feature prevents such
+ disabling, allowing multiple RCU-lockdep warnings to be printed
+ on a single reboot.
+
+ Say N if you are unsure.
+
config LOCKDEP
bool
depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT
@@ -532,6 +545,14 @@ config LOCK_STAT
For more details, see Documentation/lockstat.txt
+ This also enables lock events required by "perf lock",
+ subcommand of perf.
+ If you want to use "perf lock", you also need to turn on
+ CONFIG_EVENT_TRACING.
+
+ CONFIG_LOCK_STAT defines "contended" and "acquired" lock events.
+ (CONFIG_LOCKDEP defines "acquire" and "release" events.)
+
config DEBUG_LOCKDEP
bool "Lock dependency engine debugging"
depends on DEBUG_KERNEL && LOCKDEP
@@ -784,7 +805,7 @@ config RCU_CPU_STALL_DETECTOR
config RCU_CPU_STALL_VERBOSE
bool "Print additional per-task information for RCU_CPU_STALL_DETECTOR"
depends on RCU_CPU_STALL_DETECTOR && TREE_PREEMPT_RCU
- default n
+ default y
help
This option causes RCU to printk detailed per-task information
for any tasks that are stalling the current RCU grace period.
@@ -1077,6 +1098,13 @@ config DMA_API_DEBUG
This option causes a performance degredation. Use only if you want
to debug device drivers. If unsure, say N.
+config ATOMIC64_SELFTEST
+ bool "Perform an atomic64_t self-test at boot"
+ help
+ Enable this option to test the atomic64_t functions at boot.
+
+ If unsure, say N.
+
source "samples/Kconfig"
source "lib/Kconfig.kgdb"