linux-kernel - Re: [PATCH] powerpc/perf: Fix Power9 test

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Message-Id: <5438126c297f5125fd8713f9c104bbcc@linux.vnet.ibm.com>
Date:   Fri, 26 May 2017 16:52:09 +0530
From:   shriyak <shriyak@...ux.vnet.ibm.com>
To:     Madhavan Srinivasan <maddy@...ux.vnet.ibm.com>
Cc:     mpe@...erman.id.au, linuxppc-dev@...ts.ozlabs.org,
        linux-kernel@...r.kernel.org,
        Linuxppc-dev 
        <linuxppc-dev-bounces+shriyak=linux.vnet.ibm.com@...ts.ozlabs.org>
Subject: Re: [PATCH] powerpc/perf: Fix Power9 test_adder field

On 2017-05-26 13:38, Madhavan Srinivasan wrote:
> Commit 8d911904f3ce4 ('powerpc/perf: Add restrictions to PMC5 in power9 
> DD1')
> was added to restrict the use of PMC5 in Power9 DD1. Intend is to 
> diable
> the use of PMC5 using raw event code. Commit instead of updating
> "power9_isa207_pmu"
> structure, updated "power9_pmu" structure. Patch to fix the same.
> 
> Fixes: 8d911904f3ce4 ('powerpc/perf: Add restrictions to PMC5 in power9 
> DD1')
> Reported-by: Shriya <shriyak@...ux.vnet.ibm.com>
> Signed-off-by: Madhavan Srinivasan <maddy@...ux.vnet.ibm.com>
> ---
>  arch/powerpc/perf/power9-pmu.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/powerpc/perf/power9-pmu.c 
> b/arch/powerpc/perf/power9-pmu.c
> index 018f8e90ac35..bb28e1a41257 100644
> --- a/arch/powerpc/perf/power9-pmu.c
> +++ b/arch/powerpc/perf/power9-pmu.c
> @@ -402,7 +402,7 @@ static struct power_pmu power9_isa207_pmu = {
>  	.name			= "POWER9",
>  	.n_counter		= MAX_PMU_COUNTERS,
>  	.add_fields		= ISA207_ADD_FIELDS,
> -	.test_adder		= ISA207_TEST_ADDER,
> +	.test_adder		= P9_DD1_TEST_ADDER,
>  	.compute_mmcr		= isa207_compute_mmcr,
>  	.config_bhrb		= power9_config_bhrb,
>  	.bhrb_filter_map	= power9_bhrb_filter_map,
> @@ -421,7 +421,7 @@ static struct power_pmu power9_pmu = {
>  	.name			= "POWER9",
>  	.n_counter		= MAX_PMU_COUNTERS,
>  	.add_fields		= ISA207_ADD_FIELDS,
> -	.test_adder		= P9_DD1_TEST_ADDER,
> +	.test_adder		= ISA207_TEST_ADDER,
>  	.compute_mmcr		= isa207_compute_mmcr,
>  	.config_bhrb		= power9_config_bhrb,
>  	.bhrb_filter_map	= power9_bhrb_filter_map,

Tested-by: Shriya <shriyak@...ux.vnet.ibm.com>