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SubjectRe: [PATCH v2 10/11] powerpc/perf: add kconfig option for hypervisor provided counters
On 02/24/2014 07:33 PM, Michael Ellerman wrote:
> On Fri, 2014-14-02 at 22:02:14 UTC, Cody P Schafer wrote:
>> Signed-off-by: Cody P Schafer <cody@linux.vnet.ibm.com>
>> ---
>> arch/powerpc/perf/Makefile | 2 ++
>> arch/powerpc/platforms/Kconfig.cputype | 6 ++++++
>> 2 files changed, 8 insertions(+)
>>
>> diff --git a/arch/powerpc/perf/Makefile b/arch/powerpc/perf/Makefile
>> index 60d71ee..f9c083a 100644
>> --- a/arch/powerpc/perf/Makefile
>> +++ b/arch/powerpc/perf/Makefile
>> @@ -11,5 +11,7 @@ obj32-$(CONFIG_PPC_PERF_CTRS) += mpc7450-pmu.o
>> obj-$(CONFIG_FSL_EMB_PERF_EVENT) += core-fsl-emb.o
>> obj-$(CONFIG_FSL_EMB_PERF_EVENT_E500) += e500-pmu.o e6500-pmu.o
>>
>> +obj-$(CONFIG_HV_PERF_CTRS) += hv-24x7.o hv-gpci.o hv-common.o
>> +
>> obj-$(CONFIG_PPC64) += $(obj64-y)
>> obj-$(CONFIG_PPC32) += $(obj32-y)
>> diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype
>> index 434fda3..dcc67cd 100644
>> --- a/arch/powerpc/platforms/Kconfig.cputype
>> +++ b/arch/powerpc/platforms/Kconfig.cputype
>> @@ -364,6 +364,12 @@ config PPC_PERF_CTRS
>> help
>> This enables the powerpc-specific perf_event back-end.
>>
>> +config HV_PERF_CTRS
>> + def_bool y
>
> This was bool, why did you change it?

No, it wasn't. v1 also had def_bool. https://lkml.org/lkml/2014/1/16/518
Maybe you're confusing v2.1 and v2 of this patch?

>
>> + depends on PERF_EVENTS && PPC_HAVE_PMU_SUPPORT
>
> Should be:
>
> depends on PERF_EVENTS && PPC_PSERIES
>
>> + help
>> + Enable access to perf counters provided by the hypervisor
>> +

Yep, the v2.1 patch (which I bungled and labeled as 9/11) already
changes both of these.
It'll end up rolled into v3.



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