All of lore.kernel.org
 help / color / mirror / Atom feed
From: Daniel Lezcano <daniel.lezcano@linaro.org>
To: Russell King - ARM Linux <linux@arm.linux.org.uk>
Cc: Nicolas Pitre <nicolas.pitre@linaro.org>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Paul Mundt <lethal@linux-sh.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>,
	Peter Zijlstra <peterz@infradead.org>,
	"Rafael J. Wysocki" <rjw@rjwysocki.net>,
	linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linuxppc-dev@lists.ozlabs.org, linux-sh@vger.kernel.org,
	linux-pm@vger.kernel.org, linaro-kernel@lists.linaro.org
Subject: Re: [PATCH 1/9] ARM: get rid of arch_cpu_idle_prepare()
Date: Mon, 27 Jan 2014 18:12:53 +0100	[thread overview]
Message-ID: <52E69395.9020004@linaro.org> (raw)
In-Reply-To: <20140127160736.GP15937@n2100.arm.linux.org.uk>

On 01/27/2014 05:07 PM, Russell King - ARM Linux wrote:
> On Mon, Jan 27, 2014 at 09:22:55AM +0100, Daniel Lezcano wrote:
>> On 01/27/2014 07:08 AM, Nicolas Pitre wrote:
>>> ARM and ARM64 are the only two architectures implementing
>>> arch_cpu_idle_prepare() simply to call local_fiq_enable().
>>>
>>> We have secondary_start_kernel() already calling local_fiq_enable() and
>>> this is done a second time in arch_cpu_idle_prepare() in that case. And
>>> enabling FIQs has nothing to do with idling the CPU to start with.
>>>
>>> So let's introduce init_fiq_boot_cpu() to take care of FIQs on the boot
>>> CPU and remove arch_cpu_idle_prepare(). This is now done a bit earlier
>>> at late_initcall time but this shouldn't make a difference in practice
>>> i.e. when FIQs are actually used.
>>>
>>> Signed-off-by: Nicolas Pitre <nico@linaro.org>
>>
>> Reviewed-by: Daniel Lezcano <daniel.lezcano@linaro.org>
>
> What kind of review did you do when giving that attributation?

I did the review to the best of my knowledge and with good will.

I read your comment on this patch and I learnt one more thing.

Today, I am smarter than yesterday and dumber than tomorrow :)


   -- Daniel


-- 
  <http://www.linaro.org/> Linaro.org │ Open source software for ARM SoCs

Follow Linaro:  <http://www.facebook.com/pages/Linaro> Facebook |
<http://twitter.com/#!/linaroorg> Twitter |
<http://www.linaro.org/linaro-blog/> Blog


WARNING: multiple messages have this Message-ID (diff)
From: Daniel Lezcano <daniel.lezcano@linaro.org>
To: linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 1/9] ARM: get rid of arch_cpu_idle_prepare()
Date: Mon, 27 Jan 2014 17:12:53 +0000	[thread overview]
Message-ID: <52E69395.9020004@linaro.org> (raw)
In-Reply-To: <20140127160736.GP15937@n2100.arm.linux.org.uk>

On 01/27/2014 05:07 PM, Russell King - ARM Linux wrote:
> On Mon, Jan 27, 2014 at 09:22:55AM +0100, Daniel Lezcano wrote:
>> On 01/27/2014 07:08 AM, Nicolas Pitre wrote:
>>> ARM and ARM64 are the only two architectures implementing
>>> arch_cpu_idle_prepare() simply to call local_fiq_enable().
>>>
>>> We have secondary_start_kernel() already calling local_fiq_enable() and
>>> this is done a second time in arch_cpu_idle_prepare() in that case. And
>>> enabling FIQs has nothing to do with idling the CPU to start with.
>>>
>>> So let's introduce init_fiq_boot_cpu() to take care of FIQs on the boot
>>> CPU and remove arch_cpu_idle_prepare(). This is now done a bit earlier
>>> at late_initcall time but this shouldn't make a difference in practice
>>> i.e. when FIQs are actually used.
>>>
>>> Signed-off-by: Nicolas Pitre <nico@linaro.org>
>>
>> Reviewed-by: Daniel Lezcano <daniel.lezcano@linaro.org>
>
> What kind of review did you do when giving that attributation?

I did the review to the best of my knowledge and with good will.

I read your comment on this patch and I learnt one more thing.

Today, I am smarter than yesterday and dumber than tomorrow :)


   -- Daniel


-- 
  <http://www.linaro.org/> Linaro.org │ Open source software for ARM SoCs

Follow Linaro:  <http://www.facebook.com/pages/Linaro> Facebook |
<http://twitter.com/#!/linaroorg> Twitter |
<http://www.linaro.org/linaro-blog/> Blog


WARNING: multiple messages have this Message-ID (diff)
From: Daniel Lezcano <daniel.lezcano@linaro.org>
To: Russell King - ARM Linux <linux@arm.linux.org.uk>
Cc: Nicolas Pitre <nicolas.pitre@linaro.org>,
	linaro-kernel@lists.linaro.org, linux-sh@vger.kernel.org,
	Peter Zijlstra <peterz@infradead.org>,
	Catalin Marinas <catalin.marinas@arm.com>,
	linux-pm@vger.kernel.org, "Rafael J. Wysocki" <rjw@rjwysocki.net>,
	linux-kernel@vger.kernel.org, Paul Mundt <lethal@linux-sh.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	linuxppc-dev@lists.ozlabs.org, Ingo Molnar <mingo@redhat.com>,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 1/9] ARM: get rid of arch_cpu_idle_prepare()
Date: Mon, 27 Jan 2014 18:12:53 +0100	[thread overview]
Message-ID: <52E69395.9020004@linaro.org> (raw)
In-Reply-To: <20140127160736.GP15937@n2100.arm.linux.org.uk>

On 01/27/2014 05:07 PM, Russell King - ARM Linux wrote:
> On Mon, Jan 27, 2014 at 09:22:55AM +0100, Daniel Lezcano wrote:
>> On 01/27/2014 07:08 AM, Nicolas Pitre wrote:
>>> ARM and ARM64 are the only two architectures implementing
>>> arch_cpu_idle_prepare() simply to call local_fiq_enable().
>>>
>>> We have secondary_start_kernel() already calling local_fiq_enable() and
>>> this is done a second time in arch_cpu_idle_prepare() in that case. And
>>> enabling FIQs has nothing to do with idling the CPU to start with.
>>>
>>> So let's introduce init_fiq_boot_cpu() to take care of FIQs on the boot
>>> CPU and remove arch_cpu_idle_prepare(). This is now done a bit earlier
>>> at late_initcall time but this shouldn't make a difference in practice
>>> i.e. when FIQs are actually used.
>>>
>>> Signed-off-by: Nicolas Pitre <nico@linaro.org>
>>
>> Reviewed-by: Daniel Lezcano <daniel.lezcano@linaro.org>
>
> What kind of review did you do when giving that attributation?

I did the review to the best of my knowledge and with good will.

I read your comment on this patch and I learnt one more thing.

Today, I am smarter than yesterday and dumber than tomorrow :)


   -- Daniel


-- 
  <http://www.linaro.org/> Linaro.org │ Open source software for ARM SoCs

Follow Linaro:  <http://www.facebook.com/pages/Linaro> Facebook |
<http://twitter.com/#!/linaroorg> Twitter |
<http://www.linaro.org/linaro-blog/> Blog

WARNING: multiple messages have this Message-ID (diff)
From: daniel.lezcano@linaro.org (Daniel Lezcano)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/9] ARM: get rid of arch_cpu_idle_prepare()
Date: Mon, 27 Jan 2014 18:12:53 +0100	[thread overview]
Message-ID: <52E69395.9020004@linaro.org> (raw)
In-Reply-To: <20140127160736.GP15937@n2100.arm.linux.org.uk>

On 01/27/2014 05:07 PM, Russell King - ARM Linux wrote:
> On Mon, Jan 27, 2014 at 09:22:55AM +0100, Daniel Lezcano wrote:
>> On 01/27/2014 07:08 AM, Nicolas Pitre wrote:
>>> ARM and ARM64 are the only two architectures implementing
>>> arch_cpu_idle_prepare() simply to call local_fiq_enable().
>>>
>>> We have secondary_start_kernel() already calling local_fiq_enable() and
>>> this is done a second time in arch_cpu_idle_prepare() in that case. And
>>> enabling FIQs has nothing to do with idling the CPU to start with.
>>>
>>> So let's introduce init_fiq_boot_cpu() to take care of FIQs on the boot
>>> CPU and remove arch_cpu_idle_prepare(). This is now done a bit earlier
>>> at late_initcall time but this shouldn't make a difference in practice
>>> i.e. when FIQs are actually used.
>>>
>>> Signed-off-by: Nicolas Pitre <nico@linaro.org>
>>
>> Reviewed-by: Daniel Lezcano <daniel.lezcano@linaro.org>
>
> What kind of review did you do when giving that attributation?

I did the review to the best of my knowledge and with good will.

I read your comment on this patch and I learnt one more thing.

Today, I am smarter than yesterday and dumber than tomorrow :)


   -- Daniel


-- 
  <http://www.linaro.org/> Linaro.org ? Open source software for ARM SoCs

Follow Linaro:  <http://www.facebook.com/pages/Linaro> Facebook |
<http://twitter.com/#!/linaroorg> Twitter |
<http://www.linaro.org/linaro-blog/> Blog

  reply	other threads:[~2014-01-27 17:12 UTC|newest]

Thread overview: 132+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-01-27  6:08 [PATCH 0/9] setting the table for integration of cpuidle with the scheduler Nicolas Pitre
2014-01-27  6:08 ` Nicolas Pitre
2014-01-27  6:08 ` Nicolas Pitre
2014-01-27  6:08 ` Nicolas Pitre
2014-01-27  6:08 ` [PATCH 1/9] ARM: get rid of arch_cpu_idle_prepare() Nicolas Pitre
2014-01-27  6:08   ` Nicolas Pitre
2014-01-27  6:08   ` Nicolas Pitre
2014-01-27  6:08   ` Nicolas Pitre
2014-01-27  8:22   ` Daniel Lezcano
2014-01-27  8:22     ` Daniel Lezcano
2014-01-27  8:22     ` Daniel Lezcano
2014-01-27  8:22     ` Daniel Lezcano
2014-01-27 16:07     ` Russell King - ARM Linux
2014-01-27 16:07       ` Russell King - ARM Linux
2014-01-27 16:07       ` Russell King - ARM Linux
2014-01-27 16:07       ` Russell King - ARM Linux
2014-01-27 17:12       ` Daniel Lezcano [this message]
2014-01-27 17:12         ` Daniel Lezcano
2014-01-27 17:12         ` Daniel Lezcano
2014-01-27 17:12         ` Daniel Lezcano
2014-01-27 17:21         ` Russell King - ARM Linux
2014-01-27 17:21           ` Russell King - ARM Linux
2014-01-27 17:21           ` Russell King - ARM Linux
2014-01-27 17:21           ` Russell King - ARM Linux
2014-01-27 17:30           ` Daniel Lezcano
2014-01-27 17:30             ` Daniel Lezcano
2014-01-27 17:30             ` Daniel Lezcano
2014-01-27 17:30             ` Daniel Lezcano
2014-01-27 17:35           ` Peter Zijlstra
2014-01-27 17:35             ` Peter Zijlstra
2014-01-27 17:35             ` Peter Zijlstra
2014-01-27 17:35             ` Peter Zijlstra
2014-01-27 17:35             ` Peter Zijlstra
2014-01-27 12:45   ` Russell King - ARM Linux
2014-01-27 12:45     ` Russell King - ARM Linux
2014-01-27 12:45     ` Russell King - ARM Linux
2014-01-27 12:45     ` Russell King - ARM Linux
2014-01-27 15:45     ` Nicolas Pitre
2014-01-27 15:45       ` Nicolas Pitre
2014-01-27 15:45       ` Nicolas Pitre
2014-01-27 15:45       ` Nicolas Pitre
2014-01-27 16:06       ` Russell King - ARM Linux
2014-01-27 16:06         ` Russell King - ARM Linux
2014-01-27 16:06         ` Russell King - ARM Linux
2014-01-27 16:06         ` Russell King - ARM Linux
2014-01-27 17:36         ` Nicolas Pitre
2014-01-27 17:36           ` Nicolas Pitre
2014-01-27 17:36           ` Nicolas Pitre
2014-01-27 17:36           ` Nicolas Pitre
2014-01-27  6:08 ` [PATCH 2/9] ARM64: " Nicolas Pitre
2014-01-27  6:08   ` Nicolas Pitre
2014-01-27  6:08   ` Nicolas Pitre
2014-01-27  6:08   ` Nicolas Pitre
2014-01-27  8:23   ` Daniel Lezcano
2014-01-27  8:23     ` Daniel Lezcano
2014-01-27  8:23     ` Daniel Lezcano
2014-01-27  8:23     ` Daniel Lezcano
2014-01-27 15:43   ` Catalin Marinas
2014-01-27 15:43     ` Catalin Marinas
2014-01-27 15:43     ` Catalin Marinas
2014-01-27 15:43     ` Catalin Marinas
2014-01-27 15:51     ` Nicolas Pitre
2014-01-27 15:51       ` Nicolas Pitre
2014-01-27 15:51       ` Nicolas Pitre
2014-01-27 15:51       ` Nicolas Pitre
2014-01-27 15:57       ` Catalin Marinas
2014-01-27 15:57         ` Catalin Marinas
2014-01-27 15:57         ` Catalin Marinas
2014-01-27 15:57         ` Catalin Marinas
2014-01-29 18:00         ` Nicolas Pitre
2014-01-30 11:36           ` Catalin Marinas
2014-01-27  6:08 ` [PATCH 3/9] idle: no more arch_cpu_idle_prepare() users Nicolas Pitre
2014-01-27  6:08   ` Nicolas Pitre
2014-01-27  6:08   ` Nicolas Pitre
2014-01-27  6:08   ` Nicolas Pitre
2014-01-27  8:24   ` Daniel Lezcano
2014-01-27  8:24     ` Daniel Lezcano
2014-01-27  8:24     ` Daniel Lezcano
2014-01-27  8:24     ` Daniel Lezcano
2014-01-27  6:08 ` [PATCH 4/9] idle: move the cpuidle entry point to the generic idle loop Nicolas Pitre
2014-01-27  6:08   ` Nicolas Pitre
2014-01-27  6:08   ` Nicolas Pitre
2014-01-27  6:08   ` Nicolas Pitre
2014-01-27  8:32   ` Daniel Lezcano
2014-01-27  8:32     ` Daniel Lezcano
2014-01-27  8:32     ` Daniel Lezcano
2014-01-27  8:32     ` Daniel Lezcano
2014-01-27  6:08 ` [PATCH 5/9] ARM: remove redundant cpuidle_idle_call() Nicolas Pitre
2014-01-27  6:08   ` Nicolas Pitre
2014-01-27  6:08   ` Nicolas Pitre
2014-01-27  6:08   ` Nicolas Pitre
2014-01-27  8:33   ` Daniel Lezcano
2014-01-27  8:33     ` Daniel Lezcano
2014-01-27  8:33     ` Daniel Lezcano
2014-01-27  8:33     ` Daniel Lezcano
2014-01-27  6:08 ` [PATCH 6/9] PPC: " Nicolas Pitre
2014-01-27  6:08   ` Nicolas Pitre
2014-01-27  6:08   ` Nicolas Pitre
2014-01-27  6:08   ` Nicolas Pitre
2014-01-27  8:35   ` Daniel Lezcano
2014-01-27  8:35     ` Daniel Lezcano
2014-01-27  8:35     ` Daniel Lezcano
2014-01-27  8:35     ` Daniel Lezcano
2014-01-27 11:59   ` Preeti U Murthy
2014-01-27 12:11     ` Preeti U Murthy
2014-01-27 11:59     ` Preeti U Murthy
2014-01-27 11:59     ` Preeti U Murthy
2014-01-27  6:08 ` [PATCH 7/9] SH: " Nicolas Pitre
2014-01-27  6:08   ` Nicolas Pitre
2014-01-27  6:08   ` Nicolas Pitre
2014-01-27  6:08   ` Nicolas Pitre
2014-01-27  8:35   ` Daniel Lezcano
2014-01-27  8:35     ` Daniel Lezcano
2014-01-27  8:35     ` Daniel Lezcano
2014-01-27  8:35     ` Daniel Lezcano
2014-01-27  6:08 ` [PATCH 8/9] X86: " Nicolas Pitre
2014-01-27  6:08   ` Nicolas Pitre
2014-01-27  6:08   ` Nicolas Pitre
2014-01-27  6:08   ` Nicolas Pitre
2014-01-27  8:43   ` Daniel Lezcano
2014-01-27  8:43     ` Daniel Lezcano
2014-01-27  8:43     ` Daniel Lezcano
2014-01-27  8:43     ` Daniel Lezcano
2014-01-27  6:08 ` [PATCH 9/9] cpu/idle.c: move to sched/idle.c Nicolas Pitre
2014-01-27  6:08   ` Nicolas Pitre
2014-01-27  6:08   ` Nicolas Pitre
2014-01-27  6:08   ` Nicolas Pitre
2014-01-27 12:47 ` [PATCH 0/9] setting the table for integration of cpuidle with the scheduler Peter Zijlstra
2014-01-27 12:47   ` Peter Zijlstra
2014-01-27 12:47   ` Peter Zijlstra
2014-01-27 12:47   ` Peter Zijlstra
2014-01-27 12:47   ` Peter Zijlstra

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=52E69395.9020004@linaro.org \
    --to=daniel.lezcano@linaro.org \
    --cc=benh@kernel.crashing.org \
    --cc=catalin.marinas@arm.com \
    --cc=lethal@linux-sh.org \
    --cc=linaro-kernel@lists.linaro.org \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-pm@vger.kernel.org \
    --cc=linux-sh@vger.kernel.org \
    --cc=linux@arm.linux.org.uk \
    --cc=linuxppc-dev@lists.ozlabs.org \
    --cc=mingo@redhat.com \
    --cc=nicolas.pitre@linaro.org \
    --cc=peterz@infradead.org \
    --cc=rjw@rjwysocki.net \
    --cc=tglx@linutronix.de \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.