On Mon, 2014-12-22 at 14:38 +0800, Dongsheng Wang wrote: > From: Wang Dongsheng <dongsheng.w...@freescale.com> > > Kernel cannot bring up Non-boot cpus always get "Processor xx is stuck". > this issue bring by http://patchwork.ozlabs.org/patch/418912/ (powerpc: > Secondary CPUs must set cpu_callin_map after setting active and online) > We need to take timebase after bootup cpu give the timebase firstly. > > When start_secondary, non-boot cpus set cpu_callin_map for boot cpu > after that boot cpu will give the timebase for non-boot cpu. Otherwise > non-boot cpus will fall in dead loop to waiting bootup cpu to give > imebase.
Right. However, doesn't this introduce the possibility that the secondary cpu is up and marked online but has an unsynchronised clock? cheers _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
