From: "Rafael J. Wysocki" <rafael@kernel.org>
To: Viresh Kumar <viresh.kumar@linaro.org>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>,
Sudeep Holla <sudeep.holla@arm.com>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
Linux PM <linux-pm@vger.kernel.org>,
Linux ACPI <linux-acpi@vger.kernel.org>,
LKML <linux-kernel@vger.kernel.org>,
Dmitry Osipenko <digetx@gmail.com>
Subject: Re: [RFT][PATCH 0/3] cpufreq / PM: QoS: Introduce frequency QoS and use it in cpufreq
Date: Fri, 18 Oct 2019 10:30:36 +0200 [thread overview]
Message-ID: <CAJZ5v0gR45YNwqrc8JQ_2qQBnYrxPeCHTnvQtEELD8VpXJrxLA@mail.gmail.com> (raw)
In-Reply-To: <20191018082745.3zr6tc3yqmbydkrw@vireshk-i7>
On Fri, Oct 18, 2019 at 10:27 AM Viresh Kumar <viresh.kumar@linaro.org> wrote:
>
> On 18-10-19, 10:24, Rafael J. Wysocki wrote:
> > On Fri, Oct 18, 2019 at 7:44 AM Viresh Kumar <viresh.kumar@linaro.org> wrote:
> > >
> > > On 17-10-19, 18:34, Rafael J. Wysocki wrote:
> > > > [BTW, Viresh, it looks like cpufreq_set_policy() should still ensure
> > > > that the new min is less than the new max, because the QoS doesn't do
> > > > that.]
> > >
> > > The ->verify() callback does that for us I believe.
> >
> > It does in practice AFAICS, but in theory it may assume the right
> > ordering between the min and the max and just test the boundaries, may
> > it not?
>
> I think cpufreq_verify_within_limits() gets called for sure from
> within ->verify() for all platforms
That's why I mean by "in practice". :-)
next prev parent reply other threads:[~2019-10-18 8:30 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-16 10:37 [RFT][PATCH 0/3] cpufreq / PM: QoS: Introduce frequency QoS and use it in cpufreq Rafael J. Wysocki
2019-10-16 10:41 ` [RFT][PATCH 1/3] PM: QoS: Introduce frequency QoS Rafael J. Wysocki
2019-10-17 9:41 ` Viresh Kumar
2019-10-17 14:16 ` Rafael J. Wysocki
2019-10-18 5:41 ` Viresh Kumar
2019-10-24 19:01 ` Leonard Crestez
2019-10-24 19:34 ` Leonard Crestez
2019-11-17 7:34 ` Doug Smythies
2019-11-17 16:13 ` Doug Smythies
2019-11-19 14:35 ` Doug Smythies
2019-11-19 19:17 ` Rafael J. Wysocki
2019-11-19 22:13 ` Rafael J. Wysocki
2019-11-20 6:55 ` Doug Smythies
2019-11-20 9:08 ` Rafael J. Wysocki
2019-10-16 10:47 ` [RFT][PATCH 2/3] cpufreq: Use per-policy " Rafael J. Wysocki
2019-10-16 18:01 ` Dmitry Osipenko
2019-10-17 21:29 ` Dmitry Osipenko
2019-10-18 9:29 ` Viresh Kumar
2019-10-18 15:31 ` Dmitry Osipenko
2019-10-16 10:47 ` [RFT][PATCH 3/3] PM: QoS: Drop frequency QoS types from device PM QoS Rafael J. Wysocki
2019-10-16 14:23 ` [RFT][PATCH 0/3] cpufreq / PM: QoS: Introduce frequency QoS and use it in cpufreq Sudeep Holla
2019-10-17 9:57 ` Viresh Kumar
2019-10-17 9:59 ` Sudeep Holla
2019-10-17 16:34 ` Rafael J. Wysocki
2019-10-17 16:42 ` Sudeep Holla
2019-10-18 5:44 ` Viresh Kumar
2019-10-18 8:24 ` Rafael J. Wysocki
2019-10-18 8:27 ` Viresh Kumar
2019-10-18 8:30 ` Rafael J. Wysocki [this message]
2019-10-18 9:24 ` Viresh Kumar
2019-10-18 9:26 ` Rafael J. Wysocki
2019-10-18 9:28 ` Viresh Kumar
2019-10-17 17:14 ` Sudeep Holla
2019-10-17 9:46 ` Viresh Kumar
2019-10-22 22:06 Leonard Crestez
2019-10-22 22:47 ` Rafael J. Wysocki
2019-10-23 2:20 ` Leonard Crestez
2019-10-23 8:54 ` Rafael J. Wysocki
2019-10-23 8:57 ` Rafael J. Wysocki
2019-10-23 13:33 ` Leonard Crestez
2019-10-24 13:42 ` Rafael J. Wysocki
2019-10-24 17:47 ` Leonard Crestez
2019-10-24 21:10 ` Rafael J. Wysocki
2019-10-25 18:04 ` Leonard Crestez
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