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Date:   Tue, 29 Jan 2019 11:40:53 +0100
From:   Peter Zijlstra <peterz@infradead.org>
To:     Chunyan Zhang <chunyan.zhang@unisoc.com>
Cc:     Ingo Molnar <mingo@redhat.com>,
        Vincent Wang <vincent.wang@unisoc.com>,
        Quentin Perret <quentin.perret@arm.com>,
        linux-kernel@vger.kernel.org, Chunyan Zhang <zhang.lyra@gmail.com>
Subject: Re: [PATCH V3] sched/cpufreq: calculate util / cap in advance in
 map_util_freq()
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On Mon, Jan 28, 2019 at 02:27:21PM +0800, Chunyan Zhang wrote:
> From: "vincent.wang" <vincent.wang@unisoc.com>
> 
> When a task that is in_iowait state is enqueued, cpufreq_update_util()
> will be invoked with SCHED_CPUFREQ_IOWAIT flag. In this case,the value
> of util and cap, which are parameters used in map_util_freq(), will be
> cpu frequency, instead of cpu util and capactiy.

Didn't I tell you to fix the IOWAIT case to not pass in such large
numbers?