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From:   Andrew Murray <andrew.murray@arm.com>
To:     Peter Zijlstra <peterz@infradead.org>,
        Ingo Molnar <mingo@redhat.com>,
        Arnaldo Carvalho de Melo <acme@kernel.org>,
        Shawn Guo <shawnguo@kernel.org>,
        Sascha Hauer <s.hauer@pengutronix.de>,
        Will Deacon <will.deacon@arm.com>,
        Mark Rutland <mark.rutland@arm.com>,
        Benjamin Herrenschmidt <benh@kernel.crashing.org>,
        Thomas Gleixner <tglx@linutronix.de>,
        Borislav Petkov <bp@alien8.de>, x86@kernel.org,
        Ralf Baechle <ralf@linux-mips.org>,
        Paul Burton <paul.burton@mips.com>,
        James Hogan <jhogan@kernel.org>,
        Martin Schwidefsky <schwidefsky@de.ibm.com>,
        Heiko Carstens <heiko.carstens@de.ibm.com>,
        "David S . Miller" <davem@davemloft.net>,
        sparclinux@vger.kernel.org, Michael Ellerman <mpe@ellerman.id.au>
Cc:     linux-s390@vger.kernel.org, linux-mips@linux-mips.org,
        linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org,
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Subject: [PATCH v2 11/20] drivers/perf: perf/core: advertise PMU exclusion capability
Date:   Mon, 26 Nov 2018 11:12:27 +0000
Message-Id: <1543230756-15319-12-git-send-email-andrew.murray@arm.com>
In-Reply-To: <1543230756-15319-1-git-send-email-andrew.murray@arm.com>
References: <1543230756-15319-1-git-send-email-andrew.murray@arm.com>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

The arm_pse PMU has the capability to exclude events based on
context. Let's advertise that we support the PERF_PMU_CAP_EXCLUDE
capability to ensure that perf doesn't prevent us from handling
events where any exclusion flags are set.

Signed-off-by: Andrew Murray <andrew.murray@arm.com>
---
 drivers/perf/arm_spe_pmu.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/perf/arm_spe_pmu.c b/drivers/perf/arm_spe_pmu.c
index 54ec278..a09c38a 100644
--- a/drivers/perf/arm_spe_pmu.c
+++ b/drivers/perf/arm_spe_pmu.c
@@ -902,7 +902,8 @@ static int arm_spe_pmu_perf_init(struct arm_spe_pmu *spe_pmu)
 
 	spe_pmu->pmu = (struct pmu) {
 		.module = THIS_MODULE,
-		.capabilities	= PERF_PMU_CAP_EXCLUSIVE | PERF_PMU_CAP_ITRACE,
+		.capabilities	= PERF_PMU_CAP_EXCLUSIVE | PERF_PMU_CAP_ITRACE |
+				  PERF_PMU_CAP_EXCLUDE,
 		.attr_groups	= arm_spe_pmu_attr_groups,
 		/*
 		 * We hitch a ride on the software context here, so that
-- 
2.7.4