On Mon, 2019-11-25 at 23:15 +0800, yingjie_...@126.com wrote: > From: Bai Yingjie <byj....@gmail.com> > > CPU like P4080 has 36bit physical address, its DDR physical > start address can be configured above 4G by LAW registers. > > For such systems in which their physical memory start address was > configured higher than 4G, we need also to write addr_h into the spin > table of the target secondary CPU, so that addr_h and addr_l together > represent a 64bit physical address. > Otherwise the secondary core can not get correct entry to start from. > > This should do no harm for normal case where addr_h is all 0. > > Signed-off-by: Bai Yingjie <byj....@gmail.com> > --- > arch/powerpc/platforms/85xx/smp.c | 8 ++++++++ > 1 file changed, 8 insertions(+)
Acked-by: Scott Wood <o...@buserror.net> -Scott
