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    Subject[RFC PATCH 14/16] x86/xen: support poweroff through poweroff handler call chain
    Date
    The kernel core now supports a poweroff handler call chain
    to remove power from the system. Call it if pm_power_off
    is set to NULL.

    Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
    Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
    Cc: Thomas Gleixner <tglx@linutronix.de>
    Cc: Ingo Molnar <mingo@redhat.com>
    Cc: H. Peter Anvin <hpa@zytor.com>
    Signed-off-by: Guenter Roeck <linux@roeck-us.net>
    ---
    arch/x86/xen/enlighten.c | 2 ++
    1 file changed, 2 insertions(+)

    diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
    index c0cb11f..645d00f 100644
    --- a/arch/x86/xen/enlighten.c
    +++ b/arch/x86/xen/enlighten.c
    @@ -1322,6 +1322,8 @@ static void xen_machine_power_off(void)
    {
    if (pm_power_off)
    pm_power_off();
    + else
    + do_kernel_poweroff();
    xen_reboot(SHUTDOWN_poweroff);
    }

    --
    1.9.1


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