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    Subject[PATCH 3/3] PM: Remove PM_TRACE from Kconfig
    Date
    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 <rjw@sisk.pl>
    Acked-by: Pavel Machek <pavel@ucw.cz>
    ---
    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.
    -
    -
    config SOFTWARE_SUSPEND
    bool "Software Suspend"
    depends on PM && SWAP && (X86 && (!SMP || SUSPEND_SMP)) || ((FRV || PPC32) && !SMP)
    -
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