From: Joao Martins <joao.m.martins@oracle.com>
To: linux-pm@vger.kernel.org
Cc: Joao Martins <joao.m.martins@oracle.com>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
Daniel Lezcano <daniel.lezcano@linaro.org>,
linux-kernel@vger.kernel.org,
Marcelo Tosatti <mtosatti@redhat.com>,
kvm@vger.kernel.org
Subject: [PATCH v3 0/4] cpuidle, haltpoll: governor switching on idle register
Date: Sun, 8 Sep 2019 00:45:20 +0100 [thread overview]
Message-ID: <20190907234524.5577-1-joao.m.martins@oracle.com> (raw)
Hey,
Presented herewith a series with aims to tie in together the haltpoll
idle driver and governor, without sacrificing previous governor setups.
In addition, there are a few fixes with respect to module loading for
cpuidle-haltpoll.
The series is organized as follows:
Patch 1: Allows idle driver stating a preferred governor that it
wants to use, based on discussion here:
https://lore.kernel.org/kvm/457e8ca1-beb3-ca39-b257-e7bc6bb35d4d@oracle.com/
Patch 2: Decrease rating of governor, and allows previous defaults
to be as before haltpoll, while using @governor to switch to haltpoll
when haltpoll driver is registered;
Patch 3 - 4: Module loading fixes. first is the incorrect error
reporting and second is supportting module unloading.
Thanks,
Joao
v3:
* Fixed ARM build issues.
v2:
* Add missing Fixes tag on patches 3 and 4.
Joao Martins (4):
cpuidle: allow governor switch on cpuidle_register_driver()
cpuidle-haltpoll: set haltpoll as preferred governor
cpuidle-haltpoll: return -ENODEV on modinit failure
cpuidle-haltpoll: do not set an owner to allow modunload
drivers/cpuidle/cpuidle-haltpoll.c | 4 ++--
drivers/cpuidle/cpuidle.h | 2 ++
drivers/cpuidle/driver.c | 25 +++++++++++++++++++++++++
drivers/cpuidle/governor.c | 7 ++++---
drivers/cpuidle/governors/haltpoll.c | 2 +-
include/linux/cpuidle.h | 3 +++
6 files changed, 37 insertions(+), 6 deletions(-)
--
2.17.1
next reply other threads:[~2019-09-07 23:48 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-07 23:45 Joao Martins [this message]
2019-09-07 23:45 ` [PATCH v3 1/4] cpuidle: allow governor switch on cpuidle_register_driver() Joao Martins
2019-09-07 23:45 ` [PATCH v3 2/4] cpuidle-haltpoll: set haltpoll as preferred governor Joao Martins
2019-09-07 23:45 ` [PATCH v3 3/4] cpuidle-haltpoll: return -ENODEV on modinit failure Joao Martins
2019-09-07 23:45 ` [PATCH v3 4/4] cpuidle-haltpoll: do not set an owner to allow modunload Joao Martins
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