On 09/11/2018 12:07 AM, 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>
