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| author |   Arnd Bergmann <arnd@arndb.de> | 2012-07-12 17:55:40 +0200 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2012-07-12 17:55:40 +0200 |
| commit | 9c63cd5a955ce8a3de1776a9e4b6b89c69b2a09e (patch) | |
| tree | 2b628ebdaeb63603d90c92e78bc5dd668856b61d /lib | |
| parent | Merge branch 'for-3.6/defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/defconfig (diff) | |
| parent | ARM: imx_v4_v5_defconfig: update features (diff) | |
| download | linux-dev-9c63cd5a955ce8a3de1776a9e4b6b89c69b2a09e.tar.xz linux-dev-9c63cd5a955ce8a3de1776a9e4b6b89c69b2a09e.zip | |
Merge tag 'imx-defconfig' of git://git.pengutronix.de/git/imx/linux-2.6 into next/defconfig
From Sascha Hauer <s.hauer@pengutronix.de>:
ARM i.MX defconfig updates for v3.6
* tag 'imx-defconfig' of git://git.pengutronix.de/git/imx/linux-2.6:
ARM: imx_v4_v5_defconfig: update features
ARM: imx_v6_v7_defconfig: update features
Includes an update to v3.5-rc5
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Kconfig.debug | 20 | ||||
| -rw-r--r-- | lib/fault-inject.c | 4 | ||||
| -rw-r--r-- | lib/spinlock_debug.c | 2 |
3 files changed, 25 insertions, 1 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index a42d3ae39648..ff5bdee4716d 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -241,6 +241,26 @@ config BOOTPARAM_SOFTLOCKUP_PANIC_VALUE default 0 if !BOOTPARAM_SOFTLOCKUP_PANIC default 1 if BOOTPARAM_SOFTLOCKUP_PANIC +config PANIC_ON_OOPS + bool "Panic on Oops" if EXPERT + default n + help + Say Y here to enable the kernel to panic when it oopses. This + has the same effect as setting oops=panic on the kernel command + line. + + This feature is useful to ensure that the kernel does not do + anything erroneous after an oops which could result in data + corruption or other issues. + + Say N if unsure. + +config PANIC_ON_OOPS_VALUE + int + range 0 1 + default 0 if !PANIC_ON_OOPS + default 1 if PANIC_ON_OOPS + config DETECT_HUNG_TASK bool "Detect Hung Tasks" depends on DEBUG_KERNEL diff --git a/lib/fault-inject.c b/lib/fault-inject.c index 6805453c18e7..f7210ad6cffd 100644 --- a/lib/fault-inject.c +++ b/lib/fault-inject.c @@ -101,6 +101,10 @@ static inline bool fail_stacktrace(struct fault_attr *attr) bool should_fail(struct fault_attr *attr, ssize_t size) { + /* No need to check any other properties if the probability is 0 */ + if (attr->probability == 0) + return false; + if (attr->task_filter && !fail_task(attr, current)) return false; diff --git a/lib/spinlock_debug.c b/lib/spinlock_debug.c index d0ec4f3d1593..e91fbc23fff1 100644 --- a/lib/spinlock_debug.c +++ b/lib/spinlock_debug.c @@ -118,7 +118,7 @@ static void __spin_lock_debug(raw_spinlock_t *lock) /* lockup suspected: */ if (print_once) { print_once = 0; - spin_dump(lock, "lockup"); + spin_dump(lock, "lockup suspected"); #ifdef CONFIG_SMP trigger_all_cpu_backtrace(); #endif |