From: sboyd@codeaurora.org (Stephen Boyd)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 3/8] arm: perf: use IDR types for CPU PMUs
Date: Tue, 21 Oct 2014 14:25:18 -0700 [thread overview]
Message-ID: <5446CF3E.70807@codeaurora.org> (raw)
In-Reply-To: <1413897084-19715-4-git-send-email-mark.rutland@arm.com>
On 10/21/2014 06:11 AM, Mark Rutland wrote:
> arch/arm/kernel/perf_event.c | 6 +++++-
> arch/arm/kernel/perf_event_cpu.c | 2 +-
> 2 files changed, 6 insertions(+), 2 deletions(-)
>
> diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c
> index ae96b98..f0bbd3d 100644
> --- a/arch/arm/kernel/perf_event.c
> +++ b/arch/arm/kernel/perf_event.c
> @@ -77,8 +77,12 @@ armpmu_map_event(struct perf_event *event,
> u32 raw_event_mask)
> {
> u64 config = event->attr.config;
> + int type = event->attr.type;
Can we use u32 here to match the userspace ABI and avoid any signed vs.
unsigned oddness?
>
> - switch (event->attr.type) {
> + if (type >= PERF_TYPE_MAX && type == event->pmu->type)
> + return armpmu_map_raw_event(raw_event_mask, config);
> +
> + switch (type) {
> case PERF_TYPE_HARDWARE:
> return armpmu_map_hw_event(event_map, config);
> case PERF_TYPE_HW_CACHE:
>
--
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project
next prev parent reply other threads:[~2014-10-21 21:25 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-21 13:11 [PATCH 0/8] Prepatory rework for multi-PMU support Mark Rutland
2014-10-21 13:11 ` [PATCH 1/8] arm: perf: factor out callchain code Mark Rutland
2014-10-21 13:11 ` [PATCH 2/8] arm: perf: make PMU probing data-driven Mark Rutland
2014-10-21 21:25 ` Stephen Boyd
2014-10-22 9:50 ` Mark Rutland
2014-10-21 13:11 ` [PATCH 3/8] arm: perf: use IDR types for CPU PMUs Mark Rutland
2014-10-21 21:25 ` Stephen Boyd [this message]
2014-10-22 10:06 ` Mark Rutland
2014-10-27 20:29 ` Stephen Boyd
2014-10-21 13:11 ` [PATCH 4/8] arm: perf: limit size of accounting data Mark Rutland
2014-10-21 13:11 ` [PATCH 5/8] arm: perf: kill get_hw_events() Mark Rutland
2014-10-21 13:11 ` [PATCH 6/8] arm: perf: fold percpu_pmu into pmu_hw_events Mark Rutland
2014-10-21 22:05 ` Stephen Boyd
2014-10-22 10:10 ` Mark Rutland
2014-10-21 13:11 ` [PATCH 7/8] arm: perf: dynamically allocate cpu hardware data Mark Rutland
2014-10-21 21:24 ` Stephen Boyd
2014-10-22 11:06 ` Mark Rutland
2014-10-21 13:11 ` [PATCH 8/8] arm: perf: fold hotplug notifier into arm_pmu Mark Rutland
2014-10-21 22:18 ` Stephen Boyd
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