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    Subject[PATCH] create CONFIG_SUSPEND_UP_POSSIBLE
    Date
    From: Linus Torvalds <torvalds@linux-foundation.org>

    Without this change, it is possible to build CONFIG_HIBERNATE
    on all !SMP architectures, but not necessarily their SMP versions.

    I don't know for sure if the architecture list under SUSPEND_UP_POSSIBLE
    is correct. For now it simply matches the list for SUSPEND_SMP_POSSIBLE.

    Signed-off-by: Len Brown <len.brown@intel.com>
    ---
    Kconfig | 7 ++++++-
    1 file changed, 6 insertions(+), 1 deletion(-)

    diff --git a/kernel/power/Kconfig b/kernel/power/Kconfig
    index 412859f..ccf6576 100644
    --- a/kernel/power/Kconfig
    +++ b/kernel/power/Kconfig
    @@ -72,6 +72,11 @@ config PM_TRACE
    CAUTION: this option will cause your machine's real-time clock to be
    set to an invalid time after a resume.

    +config SUSPEND_UP_POSSIBLE
    + bool
    + depends on (X86 && !X86_VOYAGER) || (PPC64 && (PPC_PSERIES || PPC_PMAC))
    + default y
    +
    config SUSPEND_SMP_POSSIBLE
    bool
    depends on (X86 && !X86_VOYAGER) || (PPC64 && (PPC_PSERIES || PPC_PMAC))
    @@ -92,7 +97,7 @@ config PM_SLEEP
    config SUSPEND
    bool "Suspend to RAM and standby"
    depends on PM
    - depends on !SMP || SUSPEND_SMP_POSSIBLE
    + depends on (!SMP && SUSPEND_UP_POSSIBLE) || (SMP && SUSPEND_SMP_POSSIBLE)
    default y
    ---help---
    Allow the system to enter sleep states in which main memory is
    -
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