On Tue, 2014-12-09 at 15:11 +1100, Michael Ellerman wrote: > On Fri, 2014-12-05 at 12:52 -0600, Scott Wood wrote: > > On Fri, 2014-12-05 at 16:14 +0100, Greg Kurz wrote: > > > The smt-enabled kernel parameter basically leaves unwanted cpus executing > > > in firmware or wherever they happen to be. The very same applies to the > > > ibm,smt-enabled DT property which is no more used by anything known. These > > > are hacks that shoudn't be used in a production environment. > > > > > > Quoting mpe, "there are better ways for firmware to disable SMT". > > > > Those "better ways" don't apply to Freescale chips, where the OS enables > > (or not) SMT without any interaction with firmware. > > But how does it know there even are SMT threads? From the device tree? So > just don't present the threads in the device tree?
The device tree is for hardware description, not configuration... -Scott _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
