From: Stephen Warren <swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
To: Joseph Lo <josephl-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
Cc: Olof Johansson <olof-nZhT3qVonbNeoWH0uzbU5w@public.gmane.org>,
Colin Cross <ccross-z5hGa2qSFaRBDgjK7y7TUQ@public.gmane.org>,
linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Subject: Re: [PATCH V2 0/6] ARM: tegra: add CPU hotplug support
Date: Wed, 15 Aug 2012 10:05:18 -0600 [thread overview]
Message-ID: <502BC8BE.8060800@wwwdotorg.org> (raw)
In-Reply-To: <1345022554-26292-1-git-send-email-josephl-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
On 08/15/2012 03:22 AM, Joseph Lo wrote:
> This patch set adds CPU hotplug support for Tegra20 and Tegra30 SoCs.
>
> The first 3 patches make the CPU clock and reset control be a module and
> the abstraction APIs for TegraXX SoCs. And clean up some codes for later
> usage. Then add CPU hotplug support for Tegra20 and Tegra30.
>
> Verified on Seaboard(Tegra20) and Cardhu(Tegra30)
>
> V2:
> * add one more patch for enable HOTPLUG_CPU [6/6]
The build problem when HOTPLUG_CPU is disabled is still present. The
kernel needs to build with this option disabled.
Enabling HOTPLUG_CPU in defconfig doesn't force everyone to enable that
configuration option; not everyone uses tegra_defconfig, people don't
always update to the latest defconfig, people should be free to disable
functionality they don't need and still get a buildable & working
kernel, etc.
Besides, even if defconfig were a legitimate solution to this problem,
this series still wouldn't work with "git bisect", since the defconfig
patch comes after the patch that causes the build failure.
> * move all the SoC specific CPU shutdown code into platform_cpu_die [4/6]
The reboot problem is indeed solved.
P.S. It'd be nice to include a summary of what changed in each affected
patch, as well as in the cover letter.
WARNING: multiple messages have this Message-ID (diff)
From: swarren@wwwdotorg.org (Stephen Warren)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH V2 0/6] ARM: tegra: add CPU hotplug support
Date: Wed, 15 Aug 2012 10:05:18 -0600 [thread overview]
Message-ID: <502BC8BE.8060800@wwwdotorg.org> (raw)
In-Reply-To: <1345022554-26292-1-git-send-email-josephl@nvidia.com>
On 08/15/2012 03:22 AM, Joseph Lo wrote:
> This patch set adds CPU hotplug support for Tegra20 and Tegra30 SoCs.
>
> The first 3 patches make the CPU clock and reset control be a module and
> the abstraction APIs for TegraXX SoCs. And clean up some codes for later
> usage. Then add CPU hotplug support for Tegra20 and Tegra30.
>
> Verified on Seaboard(Tegra20) and Cardhu(Tegra30)
>
> V2:
> * add one more patch for enable HOTPLUG_CPU [6/6]
The build problem when HOTPLUG_CPU is disabled is still present. The
kernel needs to build with this option disabled.
Enabling HOTPLUG_CPU in defconfig doesn't force everyone to enable that
configuration option; not everyone uses tegra_defconfig, people don't
always update to the latest defconfig, people should be free to disable
functionality they don't need and still get a buildable & working
kernel, etc.
Besides, even if defconfig were a legitimate solution to this problem,
this series still wouldn't work with "git bisect", since the defconfig
patch comes after the patch that causes the build failure.
> * move all the SoC specific CPU shutdown code into platform_cpu_die [4/6]
The reboot problem is indeed solved.
P.S. It'd be nice to include a summary of what changed in each affected
patch, as well as in the cover letter.
next prev parent reply other threads:[~2012-08-15 16:05 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-15 9:22 [PATCH V2 0/6] ARM: tegra: add CPU hotplug support Joseph Lo
2012-08-15 9:22 ` Joseph Lo
[not found] ` <1345022554-26292-1-git-send-email-josephl-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2012-08-15 9:22 ` [PATCH V2 1/6] ARM: tegra: introduce tegra_cpu_car_ops structures Joseph Lo
2012-08-15 9:22 ` Joseph Lo
2012-08-15 9:22 ` [PATCH V2 2/6] ARM: tegra: replace the CPU CAR access code by tegra_cpu_car_ops Joseph Lo
2012-08-15 9:22 ` Joseph Lo
2012-08-15 9:22 ` [PATCH V2 3/6] ARM: tegra: clean up the common assembly macros into sleep.h Joseph Lo
2012-08-15 9:22 ` Joseph Lo
2012-08-15 9:22 ` [PATCH V2 4/6] ARM: tegra30: add CPU hotplug support Joseph Lo
2012-08-15 9:22 ` Joseph Lo
2012-08-15 9:22 ` [PATCH V2 5/6] ARM: tegra20: " Joseph Lo
2012-08-15 9:22 ` Joseph Lo
2012-08-15 9:22 ` [PATCH V2 6/6] ARM: tegra: defconfig: enable HOTPLUG_CPU Joseph Lo
2012-08-15 9:22 ` Joseph Lo
2012-08-15 16:05 ` Stephen Warren [this message]
2012-08-15 16:05 ` [PATCH V2 0/6] ARM: tegra: add CPU hotplug support Stephen Warren
[not found] ` <502BC8BE.8060800-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2012-08-16 9:30 ` Joseph Lo
2012-08-16 9:30 ` Joseph Lo
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