Michael Ellerman <m...@ellerman.id.au> writes: > On Wed, 2014-11-12 at 11:09 +0530, Aneesh Kumar K.V wrote: >> Michael Neuling <mi...@neuling.org> writes: >> >> > On Sun, 2014-11-02 at 20:02 +0530, Aneesh Kumar K.V wrote: >> >> Runtime disable transactional memory feature looking at pa-features >> >> device tree entry. We need to do this so that we can run a kernel >> >> built with TM config in PR mode. >> > >> > I'm happy to turn this off but why do we need to do this in PR mode? >> > Can you explain this in the commit message. >> >> Hmm, that commit message needs an update. I initially did the patch for >> P8 PR support and wanted a mechanism to disable TM. Alex added basic TM >> support for PR mode after that. So we can drop the PR part of the >> commit message. >> >> Michael Ellerman, >> >> Let me know if you want me to send an updated version with the those >> part of the commit message dropped > > How about: > > powerpc: Disable CPU_FTR_TM if TM is disabled by firmware > > Firmware is allowed to communicate to us via the "ibm,pa-features" property > that TM (Transactional Memory) support is disabled. > > Currently this doesn't happen on any platform we're aware of, but we should > honor it anyway. >
Looks good. -aneesh _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
