On 31-Jan-2003 Matthew Dillon wrote: > >:AFAIK, full hyperthreading support, as it is, has been merged to >:-stable. It consists of a patch to recognize the virtual CPUs, so they >:will be dealt with like any SMP system, as long as HTT is enabled on the >:BIOS. >: >:-- >:Daniel C. Sobral (8-DCS) >:Gerencia de Operacoes > > Yah. Shoot, well this Sony VAIO desktop has a P4 with HTT set in > it, but it doesn't have an APIC, the BIOS is clueless, and there > is no mptable, so I guess I am S.O.L. in regards to using hyperthreading > on this box.
HTT set just means that you can check the value returned in %ebx from cpuid 1 to get the number of cores that your CPU contains. It most likely contains the value '1'. Only Xeons and very recent desktop P4's have multiple cores. -- John Baldwin <[EMAIL PROTECTED]> <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/ To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-current" in the body of the message
