Hi Ben, Sorry for the delayed response.
On 06/06/2016 03:58 AM, Benjamin Herrenschmidt wrote: > On Thu, 2016-06-02 at 07:38 -0500, Shreyas B. Prabhu wrote: >> @@ -61,8 +72,13 @@ save_sprs_to_stack: >> * Note all register i.e per-core, per-subcore or per-thread is saved >> * here since any thread in the core might wake up first >> */ >> +BEGIN_FTR_SECTION >> + mfspr r3,SPRN_PTCR >> + std r3,_PTCR(r1) >> +FTR_SECTION_ELSE >> mfspr r3,SPRN_SDR1 >> std r3,_SDR1(r1) >> +ALT_FTR_SECTION_END_IFSET(CPU_FTR_ARCH_300) > > This is the only new SPR we care about in P9 ? > After reviewing ISA again, I've identified LMRR, LMSER and ASDR also need to be restored. I've fixed this in v6. Thanks, Shreyas
