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Re: [PATCH 7/9] powerpc/powernv: Add platform support for stop instruction

From Michael Neuling <mikey@neuling.org>
Newsgroups linux.kernel
Subject Re: [PATCH 7/9] powerpc/powernv: Add platform support for stop instruction
Date 2016-05-03 07:30 +0200
Message-ID <ruB4e-1OM-9@gated-at.bofh.it> (permalink)
References <rqnjc-1xU-7@gated-at.bofh.it> <rqnjf-1xU-57@gated-at.bofh.it>
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> diff --git a/arch/powerpc/include/asm/cputable.h b/arch/powerpc/include/asm/cputable.h
> index df4fb5f..a4739a1 100644
> --- a/arch/powerpc/include/asm/cputable.h
> +++ b/arch/powerpc/include/asm/cputable.h
> @@ -205,6 +205,7 @@ enum {
>  #define CPU_FTR_DABRX			LONG_ASM_CONST(0x0800000000000000)
>  #define CPU_FTR_PMAO_BUG		LONG_ASM_CONST(0x1000000000000000)
>  #define CPU_FTR_SUBCORE			LONG_ASM_CONST(0x2000000000000000)
> +#define CPU_FTR_STOP_INST		LONG_ASM_CONST(0x4000000000000000)

In general, we are putting all the POWER9 features under CPU_FTR_ARCH_300.
Is there a reason you need this separate bit?

CPU_FTR bits are fairly scarce these days.

Mikey

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Re: [PATCH 7/9] powerpc/powernv: Add platform support for stop  instruction Michael Neuling <mikey@neuling.org> - 2016-05-03 07:30 +0200
  Re: [PATCH 7/9] powerpc/powernv: Add platform support for stop instruction Shreyas B Prabhu <shreyas@linux.vnet.ibm.com> - 2016-05-03 08:40 +0200

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