On Tue, 09 Dec 2014 15:11:02 +1100 Michael Ellerman <m...@ellerman.id.au> 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? > > cheers > > Michael, Maybe we can first kill the cpu_bootable hook in powernv only, for bug fix. Then we can take time to do the thing right for all platforms. Thoughts ? -- Greg _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
