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    SubjectRe: [PATCH 58/76] idle, x86: Allow off-lined CPU to enter deeper C states
    On Mon, Apr 02, 2012 at 10:25:27AM -0700, Tony Luck wrote:
    > >> +       while (1) {
    > >> +
    > >> +               if (cx->entry_method == ACPI_CSTATE_HALT)
    > >> +                       halt();
    >
    > What's the intent here? I think that I can just set up a function pointer
    > named "halt" on ia64 and point it to my cpu_halt() function (which looks
    > for the deepest C-state, and then calls PAL to enter it. Is that equivalent
    > to what the x86 "halt()" function does?

    Or use the appropiate safe_halt() which should work on IA64.

    >
    > -Tony
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