lkml.org 
[lkml]   [2014]   [Feb]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [PATCH v2 1/7] ARM: perf_event: Support percpu irqs for the CPU PMU
    On 01/15/2014 12:55 PM, Stephen Boyd wrote:
    > Some CPU PMUs are wired up with one PPI for all the CPUs instead
    > of with a different SPI for each CPU. Add support for these
    > devices.
    >
    > Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
    > ---
    > arch/arm/kernel/perf_event.c | 14 ++++--
    > arch/arm/kernel/perf_event_cpu.c | 97 ++++++++++++++++++++++++++++------------
    > 2 files changed, 80 insertions(+), 31 deletions(-)
    >
    > diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c
    > index 789d846a9184..e76750980b38 100644
    > --- a/arch/arm/kernel/perf_event.c
    > +++ b/arch/arm/kernel/perf_event.c
    > @@ -16,6 +16,8 @@
    > #include <linux/platform_device.h>
    > #include <linux/pm_runtime.h>
    > #include <linux/uaccess.h>
    > +#include <linux/irq.h>
    > +#include <linux/irqdesc.h>
    >
    > #include <asm/irq_regs.h>
    > #include <asm/pmu.h>
    > @@ -295,9 +297,15 @@ validate_group(struct perf_event *event)
    >
    > static irqreturn_t armpmu_dispatch_irq(int irq, void *dev)
    > {
    > - struct arm_pmu *armpmu = (struct arm_pmu *) dev;
    > - struct platform_device *plat_device = armpmu->plat_device;
    > - struct arm_pmu_platdata *plat = dev_get_platdata(&plat_device->dev);
    > + struct arm_pmu *armpmu;
    > + struct platform_device *plat_device;
    > + struct arm_pmu_platdata *plat;
    > +
    > + if (irq_is_percpu(irq))

    In case anyone else is trying to follow along, this requires:

    http://lkml.org/lkml/2013/12/4/316

    Regards,
    Christopher

    --
    Employee of Qualcomm Innovation Center, Inc.
    Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
    hosted by the Linux Foundation.


    \
     
     \ /
      Last update: 2014-02-03 22:21    [W:4.133 / U:0.108 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site