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    Subject[PATCH 04/18] x86 idle: EXPORT_SYMBOL(default_idle, pm_idle) only when APM demands it
    Date
    From: Len Brown <len.brown@intel.com>

    In the long run, we don't want default_idle() or (pm_idle)() to
    be exported outside of process.c. Start by not exporting them
    to modules, unless the APM build demands it.

    cc: x86@kernel.org
    cc: Jiri Kosina <jkosina@suse.cz>
    Signed-off-by: Len Brown <len.brown@intel.com>
    ---
    arch/x86/kernel/process.c | 4 +++-
    1 files changed, 3 insertions(+), 1 deletions(-)

    diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
    index ff45541..17b8771 100644
    --- a/arch/x86/kernel/process.c
    +++ b/arch/x86/kernel/process.c
    @@ -340,7 +340,9 @@ EXPORT_SYMBOL(boot_option_idle_override);
    * Powermanagement idle function, if any..
    */
    void (*pm_idle)(void);
    +#if defined(CONFIG_APM_MODULE) && defined(CONFIG_APM_CPU_IDLE)
    EXPORT_SYMBOL(pm_idle);
    +#endif

    #ifdef CONFIG_X86_32
    /*
    @@ -400,7 +402,7 @@ void default_idle(void)
    cpu_relax();
    }
    }
    -#ifdef CONFIG_APM_MODULE
    +#if defined(CONFIG_APM_MODULE) && defined(CONFIG_APM_CPU_IDLE)
    EXPORT_SYMBOL(default_idle);
    #endif

    --
    1.7.5.rc0


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