Re: [1/4] powerpc/perf: Initialise PMU related regs on POWER9
From: Michael Ellerman <mpe@ellerman.id.au>
Date: 2016-06-17 13:18:22
On Sat, 2016-11-06 at 07:18:12 UTC, Madhavan Srinivasan wrote:
quoted hunk ↗ jump to hunk
diff --git a/arch/powerpc/kernel/cpu_setup_power.S b/arch/powerpc/kernel/cpu_setup_power.S index 584e119fa8b0..a2080fde0cc5 100644 --- a/arch/powerpc/kernel/cpu_setup_power.S +++ b/arch/powerpc/kernel/cpu_setup_power.S@@ -219,3 +223,16 @@ __init_PMU: mtspr SPRN_MMCR1,r5 mtspr SPRN_MMCR2,r5 blr + +__init_PMU_HV_300: + li r5,0 + mtspr SPRN_MMCRC,r5 + blr + +__init_PMU_300: + li r5,0 + mtspr SPRN_MMCRA,r5 + mtspr SPRN_MMCR0,r5 + mtspr SPRN_MMCR1,r5 + mtspr SPRN_MMCR2,r5 + blr
With the exception of MMCRS, these are the same as the Power8 code. So there should be able to be some common code. cheers