Northbridge.c cpu_bus_scan need to be modified too, you need to assume the CONFIG_LOGICAL_CPU==1 there..
YH -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Lu, Yinghai Sent: Monday, November 07, 2005 3:55 PM To: Greg Johnson Cc: [email protected] Subject: Re: [LinuxBIOS] dual core disable? 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 -- LinuxBIOS mailing list [email protected] http://www.openbios.org/mailman/listinfo/linuxbios
