Re: [PATCH v5 08/11] powerpc/powernv: Add platform support for stop instruction
From: Benjamin Herrenschmidt <hidden>
Date: 2016-06-05 22:29:23
Also in:
lkml
On Thu, 2016-06-02 at 07:38 -0500, Shreyas B. Prabhu wrote:
quoted hunk ↗ jump to hunk
@@ -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 ? Cheers, Ben.