lkml.org 
[lkml]   [2015]   [Aug]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    SubjectRe: [PATCH RESEND] sched/nohz: Affine unpinned timers to housekeepers
    From
    Date
    On Mon, 2015-08-24 at 15:36 +0200, Frederic Weisbecker wrote:
    > On Mon, Aug 24, 2015 at 08:44:12AM +0200, Ingo Molnar wrote:
    > > 2)
    > >
    > > What happens if the boot CPU is offlined? (under CONFIG_BOOTPARAM_HOTPLUG_CPU0=y)
    > >
    > > I don't see CPU hotplug callbacks fixing up the housekeeping_mask if the boot CPU
    > > is offlined.
    >
    > We have tick_nohz_cpu_down_callback() which makes sure that the timekeeper, which
    > is the boot CPU in nohz full, never gets offlined.

    Aha.. and it works fine too. (CPU0 told me to go away earlier;)

    -Mike



    \
     
     \ /
      Last update: 2015-08-24 16:21    [W:2.568 / U:0.044 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site