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    Subject[PATCH 12/27] x86: fix section mismatch warning in topology.c:arch_register_cpu
    Date
    Fix following warning:
    WARNING: vmlinux.o(.text+0x1dfc3): Section mismatch in reference from the function arch_register_cpu() to the function .cpuinit.text:register_cpu()

    arch_register_cpu() is only defined for HOTPLUG_CPU code
    so simple fix is to ignore references by annotating the
    function __ref.

    Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
    Cc: Thomas Gleixner <tglx@linutronix.de>
    Cc: Ingo Molnar <mingo@elte.hu>
    Cc: H. Peter Anvin <hpa@zytor.com>
    ---
    arch/x86/kernel/topology.c | 2 +-
    1 files changed, 1 insertions(+), 1 deletions(-)

    diff --git a/arch/x86/kernel/topology.c b/arch/x86/kernel/topology.c
    index a40051b..0fcc95a 100644
    --- a/arch/x86/kernel/topology.c
    +++ b/arch/x86/kernel/topology.c
    @@ -34,7 +34,7 @@
    static DEFINE_PER_CPU(struct x86_cpu, cpu_devices);

    #ifdef CONFIG_HOTPLUG_CPU
    -int arch_register_cpu(int num)
    +int __ref arch_register_cpu(int num)
    {
    /*
    * CPU0 cannot be offlined due to several
    --
    1.5.4.rc3.14.g44397


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