linux-kernel - Re: [PATCH v6 10/11] drivers: perf: hisi: use poll method when no IRQ for MN counter overflow

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Message-ID: <58D4C01F.6060808@gmail.com>
Date:   Fri, 24 Mar 2017 12:13:43 +0530
From:   Anurup M <anurupvasu@...il.com>
To:     Mark Rutland <mark.rutland@....com>
Cc:     will.deacon@....com, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, anurup.m@...wei.com,
        zhangshaokun@...ilicon.com, tanxiaojun@...wei.com,
        xuwei5@...ilicon.com, sanil.kumar@...ilicon.com,
        john.garry@...wei.com, gabriele.paoloni@...wei.com,
        shiju.jose@...wei.com, huangdaode@...ilicon.com,
        linuxarm@...wei.com, dikshit.n@...wei.com, shyju.pv@...wei.com
Subject: Re: [PATCH v6 10/11] drivers: perf: hisi: use poll method when no IRQ
 for MN counter overflow



On Tuesday 21 March 2017 10:47 PM, Mark Rutland wrote:
> On Fri, Mar 10, 2017 at 01:29:01AM -0500, Anurup M wrote:
>> When no IRQ is supported in hardware, use hrtimer to poll and
>> update event counter and avoid overflow condition for MN PMU.
>> An interval of 8 seconds is used for the hrtimer.
> Please fold this into the main MN patch.
>
> The comments on the L3 hrtimer patch also apply here.

Sure. shall fix these comments. and fold to main MN patch.

Thanks,
Anurup

> Thanks,
> Mark.