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| Started by | Michael Neuling <mikey@neuling.org> |
|---|---|
| First post | 2016-05-03 07:30 +0200 |
| Last post | 2016-05-03 08:40 +0200 |
| Articles | 2 — 2 participants |
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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
| From | Michael Neuling <mikey@neuling.org> |
|---|---|
| Date | 2016-05-03 07:30 +0200 |
| Subject | Re: [PATCH 7/9] powerpc/powernv: Add platform support for stop instruction |
| Message-ID | <ruB4e-1OM-9@gated-at.bofh.it> |
> 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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| From | Shreyas B Prabhu <shreyas@linux.vnet.ibm.com> |
|---|---|
| Date | 2016-05-03 08:40 +0200 |
| Subject | Re: [PATCH 7/9] powerpc/powernv: Add platform support for stop instruction |
| Message-ID | <ruC9X-2UG-1@gated-at.bofh.it> |
| In reply to | #1393044 |
On 05/03/2016 10:55 AM, Michael Neuling wrote:
>
>> 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?
>
No I don't need a separate bit, I'll use CPU_FTR_ARCH_300.
Thanks,
Shreyas
> CPU_FTR bits are fairly scarce these days.
>
> Mikey
>
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