On Mon, Apr 15, 2013 at 12:14:29PM -0500, Robin Holt wrote: > We recently noticed that reboot of a 1024 cpu machine takes approx 16 > minutes of just stopping the cpus. The slowdown was tracked to commit > f96972f. > > The current implementation does all the work of hot removing the cpus > before halting the system. We are switching to just migrating to the > boot cpu and then continuing with shutdown/reboot. > > This also has the effect of not breaking x86's command line parameter for > specifying the reboot cpu. Note, this code was shamelessly copied from > arch/x86/kernel/reboot.c with bits removed pertaining to the reboot_cpu > command line parameter. > > Signed-off-by: Robin Holt <[email protected]> > To: Shawn Guo <[email protected]>
It works on my hardware - i.MX6 Quad. Tested-by: Shawn Guo <[email protected]> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
