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-rw-r--r--lib/Kconfig.debug26
1 files changed, 25 insertions, 1 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index ba106db5a65b..882c51048993 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -150,7 +150,7 @@ config DETECT_SOFTLOCKUP
150 help 150 help
151 Say Y here to enable the kernel to detect "soft lockups", 151 Say Y here to enable the kernel to detect "soft lockups",
152 which are bugs that cause the kernel to loop in kernel 152 which are bugs that cause the kernel to loop in kernel
153 mode for more than 10 seconds, without giving other tasks a 153 mode for more than 60 seconds, without giving other tasks a
154 chance to run. 154 chance to run.
155 155
156 When a soft-lockup is detected, the kernel will print the 156 When a soft-lockup is detected, the kernel will print the
@@ -162,6 +162,30 @@ config DETECT_SOFTLOCKUP
162 can be detected via the NMI-watchdog, on platforms that 162 can be detected via the NMI-watchdog, on platforms that
163 support it.) 163 support it.)
164 164
165config BOOTPARAM_SOFTLOCKUP_PANIC
166 bool "Panic (Reboot) On Soft Lockups"
167 depends on DETECT_SOFTLOCKUP
168 help
169 Say Y here to enable the kernel to panic on "soft lockups",
170 which are bugs that cause the kernel to loop in kernel
171 mode for more than 60 seconds, without giving other tasks a
172 chance to run.
173
174 The panic can be used in combination with panic_timeout,
175 to cause the system to reboot automatically after a
176 lockup has been detected. This feature is useful for
177 high-availability systems that have uptime guarantees and
178 where a lockup must be resolved ASAP.
179
180 Say N if unsure.
181
182config BOOTPARAM_SOFTLOCKUP_PANIC_VALUE
183 int
184 depends on DETECT_SOFTLOCKUP
185 range 0 1
186 default 0 if !BOOTPARAM_SOFTLOCKUP_PANIC
187 default 1 if BOOTPARAM_SOFTLOCKUP_PANIC
188
165config SCHED_DEBUG 189config SCHED_DEBUG
166 bool "Collect scheduler debugging info" 190 bool "Collect scheduler debugging info"
167 depends on DEBUG_KERNEL && PROC_FS 191 depends on DEBUG_KERNEL && PROC_FS