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    Subject[tip: smp/core] ia64: Replace cpu_down() with smp_shutdown_nonboot_cpus()
    The following commit has been merged into the smp/core branch of tip:

    Commit-ID: 1e42176b4dac328b0be7075c2cebdf2006d31eb3
    Gitweb: https://git.kernel.org/tip/1e42176b4dac328b0be7075c2cebdf2006d31eb3
    Author: Qais Yousef <qais.yousef@arm.com>
    AuthorDate: Mon, 23 Mar 2020 13:50:56
    Committer: Thomas Gleixner <tglx@linutronix.de>
    CommitterDate: Wed, 25 Mar 2020 12:59:32 +01:00

    ia64: Replace cpu_down() with smp_shutdown_nonboot_cpus()

    Use the new smp_shutdown_nonboot_cpus() instead of using cpu_down()
    directly.

    Use reboot_cpu instead of hardcoding the boot CPU to 0.

    This also prepares to make cpu_up/down() a private interface of the CPU
    subsystem.

    Signed-off-by: Qais Yousef <qais.yousef@arm.com>
    Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
    Cc: Tony Luck <tony.luck@intel.com>
    Cc: Fenghua Yu <fenghua.yu@intel.com>
    Link: https://lkml.kernel.org/r/20200323135110.30522-4-qais.yousef@arm.com

    ---
    arch/ia64/kernel/process.c | 8 +-------
    1 file changed, 1 insertion(+), 7 deletions(-)

    diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c
    index 968b5f3..bf4c0cd 100644
    --- a/arch/ia64/kernel/process.c
    +++ b/arch/ia64/kernel/process.c
    @@ -646,14 +646,8 @@ cpu_halt (void)

    void machine_shutdown(void)
    {
    -#ifdef CONFIG_HOTPLUG_CPU
    - int cpu;
    + smp_shutdown_nonboot_cpus(reboot_cpu);

    - for_each_online_cpu(cpu) {
    - if (cpu != smp_processor_id())
    - cpu_down(cpu);
    - }
    -#endif
    #ifdef CONFIG_KEXEC
    kexec_disable_iosapic();
    #endif
    \
     
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