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Subject[PATCH 3/3] PM: Remove PM_TRACE from Kconfig
Remove the CONFIG_PM_TRACE option, which is dangerous and should only be used
by people who know exactly what they are doing, from kernel/power/Kconfig .

Signed-off-by: Rafael J. Wysocki <>
Acked-by: Pavel Machek <>
kernel/power/Kconfig | 18 ------------------
1 files changed, 18 deletions(-)

Index: linux-2.6.18-rc4-mm1/kernel/power/Kconfig
--- linux-2.6.18-rc4-mm1.orig/kernel/power/Kconfig
+++ linux-2.6.18-rc4-mm1/kernel/power/Kconfig
@@ -47,24 +47,6 @@ config PM_DISABLE_CONSOLE_SUSPEND
suspend/resume routines, but may itself lead to problems, for example
if netconsole is used.

-config PM_TRACE
- bool "Suspend/resume event tracing"
- depends on PM && PM_DEBUG && X86_32 && EXPERIMENTAL
- default n
- ---help---
- This enables some cheesy code to save the last PM event point in the
- RTC across reboots, so that you can debug a machine that just hangs
- during suspend (or more commonly, during resume).
- To use this debugging feature you should attempt to suspend the machine,
- then reboot it, then run
- dmesg -s 1000000 | grep 'hash matches'
- CAUTION: this option will cause your machine's real-time clock to be
- set to an invalid time after a resume.
bool "Software Suspend"
depends on PM && SWAP && (X86 && (!SMP || SUSPEND_SMP)) || ((FRV || PPC32) && !SMP)
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