From: Yasuaki Ishimatsu <isimatu.yasuaki@jp•fujitsu.com>
To: Toshi Kani <toshi.kani@hp•com>
Cc: fenghua.yu@intel•com, bp@suse•de, gregkh@linuxfoundation•org,
x86@kernel•org, linux-kernel@vger•kernel.org, rjw@sisk•pl,
linux-acpi@vger•kernel.org, mingo@redhat•com,
srivatsa.bhat@linux•vnet.ibm.com, nfont@linux•vnet.ibm.com,
tglx@linutronix•de, hpa@linux•intel.com,
linuxppc-dev@lists•ozlabs.org
Subject: Re: [PATCH v2 0/4] Unify CPU hotplug lock interface
Date: Fri, 30 Aug 2013 11:44:06 +0900 [thread overview]
Message-ID: <522006F6.2060206@jp.fujitsu.com> (raw)
In-Reply-To: <1377822129-4143-1-git-send-email-toshi.kani@hp.com>
(2013/08/30 9:22), Toshi Kani wrote:
> lock_device_hotplug() was recently introduced to serialize CPU & Memory
> online/offline and hotplug operations, along with sysfs online interface
> restructure (commit 4f3549d7). With this new locking scheme,
> cpu_hotplug_driver_lock() is redundant and is no longer necessary.
>
> This patchset makes sure that lock_device_hotplug() covers all CPU online/
> offline interfaces, and then removes cpu_hotplug_driver_lock().
>
> v2:
> - Rebased to the pm tree, bleeding-edge.
> - Changed patch 2/4 to use lock_device_hotplug_sysfs().
>
> ---
> Toshi Kani (4):
> hotplug, x86: Fix online state in cpu0 debug interface
> hotplug, x86: Add hotplug lock to missing places
> hotplug, x86: Disable ARCH_CPU_PROBE_RELEASE on x86
> hotplug, powerpc, x86: Remove cpu_hotplug_driver_lock()
>
> ---
The patch-set looks good to me.
Acked-by: Yasuaki Ishimatsu <isimatu.yasuaki@jp•fujitsu.com>
Thanks,
Yasuaki Ishimatsu
> arch/powerpc/kernel/smp.c | 12 ----------
> arch/powerpc/platforms/pseries/dlpar.c | 40 +++++++++++++---------------------
> arch/x86/Kconfig | 4 ----
> arch/x86/kernel/smpboot.c | 21 ------------------
> arch/x86/kernel/topology.c | 11 ++++++----
> drivers/base/cpu.c | 34 +++++++++++++++++++----------
> include/linux/cpu.h | 13 -----------
> 7 files changed, 45 insertions(+), 90 deletions(-)
>
next prev parent reply other threads:[~2013-08-30 2:45 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-30 0:22 [PATCH v2 0/4] Unify CPU hotplug lock interface Toshi Kani
2013-08-30 0:22 ` [PATCH v2 1/4] hotplug, x86: Fix online state in cpu0 debug interface Toshi Kani
2013-08-31 0:24 ` Rafael J. Wysocki
2013-08-30 0:22 ` [PATCH v2 2/4] hotplug, x86: Add hotplug lock to missing places Toshi Kani
2013-08-30 0:22 ` [PATCH v2 3/4] hotplug, x86: Disable ARCH_CPU_PROBE_RELEASE on x86 Toshi Kani
2013-08-30 0:22 ` [PATCH v2 4/4] hotplug, powerpc, x86: Remove cpu_hotplug_driver_lock() Toshi Kani
2013-09-25 8:27 ` Rafael J. Wysocki
2013-09-25 20:44 ` Toshi Kani
2013-08-30 2:44 ` Yasuaki Ishimatsu [this message]
2013-08-30 12:14 ` [PATCH v2 0/4] Unify CPU hotplug lock interface Rafael J. Wysocki
2013-08-30 14:35 ` Toshi Kani
2013-08-30 14:33 ` Toshi Kani
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