Re: [PATCH V0 2/3] perf/x86/intel/bm.c: Add Intel Branch Monitoring support

[Jiri Olsa]

On Fri, Nov 03, 2017 at 11:00:05AM -0700, Megha Dey wrote:

SNIP

> +
> +static int intel_bm_event_nmi_handler(unsigned int cmd, struct pt_regs *regs)
> +{
> +	struct perf_event *event;
> +	union bm_detect_status stat;
> +	struct perf_sample_data data;
> +	int i;
> +	unsigned long x;
> +
> +	rdmsrl(BR_DETECT_STATUS_MSR, stat.raw);
> +
> +	if (stat.event) {
> +		wrmsrl(BR_DETECT_STATUS_MSR, 0);
> +		apic_write(APIC_LVTPC, APIC_DM_NMI);
> +		/*
> +		 * Issue wake-up to corrresponding polling event

s/rrr/rr/ ;-)

jirka