Re: [PATCH v6 07/10] powerpc/perf: open access for CAP_PERFMON privileged process

From: James Morris
Date: Tue Jan 28 2020 - 16:20:20 EST


On Tue, 28 Jan 2020, Alexey Budankov wrote:

> Signed-off-by: Alexey Budankov <alexey.budankov@xxxxxxxxxxxxxxx>
> ---
> arch/powerpc/perf/imc-pmu.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/arch/powerpc/perf/imc-pmu.c b/arch/powerpc/perf/imc-pmu.c
> index cb50a9e1fd2d..e837717492e4 100644
> --- a/arch/powerpc/perf/imc-pmu.c
> +++ b/arch/powerpc/perf/imc-pmu.c
> @@ -898,7 +898,7 @@ static int thread_imc_event_init(struct perf_event *event)
> if (event->attr.type != event->pmu->type)
> return -ENOENT;
>
> - if (!capable(CAP_SYS_ADMIN))
> + if (!perfmon_capable())
> return -EACCES;
>
> /* Sampling not supported */
> @@ -1307,7 +1307,7 @@ static int trace_imc_event_init(struct perf_event *event)
> if (event->attr.type != event->pmu->type)
> return -ENOENT;
>
> - if (!capable(CAP_SYS_ADMIN))
> + if (!perfmon_capable())
> return -EACCES;
>
> /* Return if this is a couting event */
>


Acked-by: James Morris <jamorris@xxxxxxxxxxxxxxxxxxx>

--
James Morris
<jmorris@xxxxxxxxx>