BTW, How come you don't use the CPU1 Enable (Cpu1En) bit to disable the second core?
Greg On Mon, Nov 07, 2005 at 03:55:01PM -0800, Lu, Yinghai wrote: > OK, > > We may need to set the nbcfg 54 bit even disable the dual core. > > Please several lines > 1. src/cpu/dualcore/dualcore.c > //If(read_option(CMOS_VSTART_dual_core..... > 2. in you cache_as_ram_auto.c > //#if CONFIG_LOGICAL_CPUS == 1 > Set_apicid_cpuid_lo(); > //#endif > > YH > > > -----Original Message----- > From: Greg Johnson [mailto:[EMAIL PROTECTED] > Sent: Monday, November 07, 2005 3:37 PM > To: Lu, Yinghai > Cc: Ronald G Minnich; Greg Johnson; [email protected] > Subject: Re: [LinuxBIOS] dual core disable? > > On Mon, Nov 07, 2005 at 03:00:09PM -0800, Lu, Yinghai wrote: > > ? > > > > In Normal BIOS, is there option to disable dual core? > > > > No. I'm pretty sure that I'm really getting two cores on one socket. > Memory bandwidth is affected when running on both cores. In any case, > Linux K8 NUMA is confused: > > p5:~# numactl --show > policy: default > preferred node: current > cpubind: 0 > membind: 0 1 > > Greg > -- LinuxBIOS mailing list [email protected] http://www.openbios.org/mailman/listinfo/linuxbios
