From mboxrd@z Thu Jan 1 00:00:00 1970 From: andrew.murray@arm.com (Andrew Murray) Date: Fri, 16 Nov 2018 10:24:08 +0000 Subject: [PATCH 05/10] powerpc/pmu/fsl: add additional validation to event_init In-Reply-To: <1542363853-13849-1-git-send-email-andrew.murray@arm.com> References: <1542363853-13849-1-git-send-email-andrew.murray@arm.com> Message-ID: <1542363853-13849-6-git-send-email-andrew.murray@arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org The fsl PMU driver doesn't support host/guest mode exclusion so let's report this when event_init is called with these exclusion flags set. Signed-off-by: Andrew Murray --- arch/powerpc/perf/core-fsl-emb.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/powerpc/perf/core-fsl-emb.c b/arch/powerpc/perf/core-fsl-emb.c index ba48584..b1cc9d1 100644 --- a/arch/powerpc/perf/core-fsl-emb.c +++ b/arch/powerpc/perf/core-fsl-emb.c @@ -559,6 +559,8 @@ static int fsl_emb_pmu_event_init(struct perf_event *event) event->hw.config_base |= PMLCA_FCS; if (event->attr.exclude_idle) return -ENOTSUPP; + if (event->attr.exclude_host || event->attr.exclude_guest) + return -ENOTSUPP; event->hw.last_period = event->hw.sample_period; local64_set(&event->hw.period_left, event->hw.last_period); -- 2.7.4