On Tue, 2018-09-11 at 03:07:56 UTC, Michael Neuling wrote: > Currently on P9N DD2.1 we end up taking infinite TM facility > unavailable exceptions on the first TM usage by userspace. > > In the special case of TM no suspend (P9N DD2.1), Linux is told TM is > off via CPU dt-ftrs but told to (partially) use it via > OPAL_REINIT_CPUS_TM_SUSPEND_DISABLED. So HFSCR[TM] will be off from > dt-ftrs but we need to turn it on for the no suspend case. > > This patch fixes this by enabling HFSCR TM in this case. > > Cc: sta...@vger.kernel.org # 4.15+ > Signed-off-by: Michael Neuling <mi...@neuling.org> > Tested-by: Breno Leitao <lei...@debian.org>
Applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/dd9a8c5a87395b6f05552c3b44e42f cheers