linux-kernel - Re: [PATCH 04/10] powerpc: perf/core: generalise event exclusion checking with perf macro

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Date:   Tue, 20 Nov 2018 22:21:37 +1100
From:   Michael Ellerman <mpe@...erman.id.au>
To:     Andrew Murray <andrew.murray@....com>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Will Deacon <will.deacon@....com>,
        Mark Rutland <mark.rutland@....com>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Borislav Petkov <bp@...en8.de>, x86@...nel.org
Cc:     linux-alpha@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 04/10] powerpc: perf/core: generalise event exclusion checking with perf macro

Andrew Murray <andrew.murray@....com> writes:

> Replace checking of perf event exclusion flags with perf macro.
>
> Signed-off-by: Andrew Murray <andrew.murray@....com>
> ---
>  arch/powerpc/perf/hv-24x7.c |  7 +------
>  arch/powerpc/perf/hv-gpci.c |  7 +------
>  arch/powerpc/perf/imc-pmu.c | 14 ++------------
>  3 files changed, 4 insertions(+), 24 deletions(-)

These conversions look fine, thanks.

Acked-by: Michael Ellerman <mpe@...erman.id.au>

cheers

> diff --git a/arch/powerpc/perf/hv-24x7.c b/arch/powerpc/perf/hv-24x7.c
> index 72238ee..60db22d 100644
> --- a/arch/powerpc/perf/hv-24x7.c
> +++ b/arch/powerpc/perf/hv-24x7.c
> @@ -1307,12 +1307,7 @@ static int h_24x7_event_init(struct perf_event *event)
>  	}
>  
>  	/* unsupported modes and filters */
> -	if (event->attr.exclude_user   ||
> -	    event->attr.exclude_kernel ||
> -	    event->attr.exclude_hv     ||
> -	    event->attr.exclude_idle   ||
> -	    event->attr.exclude_host   ||
> -	    event->attr.exclude_guest)
> +	if (event_has_exclude_flags(event))
>  		return -EINVAL;
>  
>  	/* no branch sampling */
> diff --git a/arch/powerpc/perf/hv-gpci.c b/arch/powerpc/perf/hv-gpci.c
> index 43fabb3..2d2b5c0 100644
> --- a/arch/powerpc/perf/hv-gpci.c
> +++ b/arch/powerpc/perf/hv-gpci.c
> @@ -233,12 +233,7 @@ static int h_gpci_event_init(struct perf_event *event)
>  	}
>  
>  	/* unsupported modes and filters */
> -	if (event->attr.exclude_user   ||
> -	    event->attr.exclude_kernel ||
> -	    event->attr.exclude_hv     ||
> -	    event->attr.exclude_idle   ||
> -	    event->attr.exclude_host   ||
> -	    event->attr.exclude_guest)
> +	if (event_has_exclude_flags(event))
>  		return -EINVAL;
>  
>  	/* no branch sampling */
> diff --git a/arch/powerpc/perf/imc-pmu.c b/arch/powerpc/perf/imc-pmu.c
> index 1fafc32b..1ae1d3f 100644
> --- a/arch/powerpc/perf/imc-pmu.c
> +++ b/arch/powerpc/perf/imc-pmu.c
> @@ -474,12 +474,7 @@ static int nest_imc_event_init(struct perf_event *event)
>  		return -EINVAL;
>  
>  	/* unsupported modes and filters */
> -	if (event->attr.exclude_user   ||
> -	    event->attr.exclude_kernel ||
> -	    event->attr.exclude_hv     ||
> -	    event->attr.exclude_idle   ||
> -	    event->attr.exclude_host   ||
> -	    event->attr.exclude_guest)
> +	if (event_has_exclude_flags(event))
>  		return -EINVAL;
>  
>  	if (event->cpu < 0)
> @@ -749,12 +744,7 @@ static int core_imc_event_init(struct perf_event *event)
>  		return -EINVAL;
>  
>  	/* unsupported modes and filters */
> -	if (event->attr.exclude_user   ||
> -	    event->attr.exclude_kernel ||
> -	    event->attr.exclude_hv     ||
> -	    event->attr.exclude_idle   ||
> -	    event->attr.exclude_host   ||
> -	    event->attr.exclude_guest)
> +	if (event_has_exclude_flags(event))
>  		return -EINVAL;
>  
>  	if (event->cpu < 0)
> -- 
> 2.7.4