linux-kernel - Re: [PATCH 0/4] ACPI: hotplug messages improvement

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Date:	Wed, 25 Jul 2012 12:45:39 +0900
From:	Yasuaki Ishimatsu <isimatu.yasuaki@...fujitsu.com>
To:	Toshi Kani <toshi.kani@...com>
CC:	<lenb@...nel.org>, <linux-acpi@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <bhelgaas@...gle.com>,
	<liuj97@...il.com>, <srivatsa.bhat@...ux.vnet.ibm.com>,
	<prarit@...hat.com>, <imammedo@...hat.com>,
	<vijaymohan.pandarathil@...com>
Subject: Re: [PATCH 0/4] ACPI: hotplug messages improvement

Hi Toshi,

2012/07/19 5:40, Toshi Kani wrote:
> This patchset improves logging messages for ACPI CPU, Memory, and
> Container hotplug notify handlers.  The patchset introduces a set of
> new macro interfaces, acpi_pr_<level>(), and updates the notify
> handlers to use them.  acpi_pr_<level>() appends "ACPI" prefix and
> ACPI object path to the messages.  This improves diagnostics in
> hotplug operations since it identifies an object that caused an
> issue in a log file.
>

The log message looks good to me.
But I could not understand when to use it instead of pr_{warn, info, ...}
or ACPI_{WARNING, INFO, ...}. Do you have the policy?

> ---
> This patchset applies on top of the patch below.
> 
> [PATCH] ACPI: Add ACPI CPU hot-remove support
> http://marc.info/?l=linux-acpi&m=134098193327362&w=2
> 
> ---
> Toshi Kani (4):
>   ACPI: Add acpi_pr_<level>() interfaces
>   ACPI: Update CPU hotplug messages
>   ACPI: Update Memory hotplug messages
>   ACPI: Update Container hotplug messages

I think you need update other component, which are driver/acpi/{acpi_pad.c,
battery.c, button.c}. Do you have the plan to update them?

Thanks,
Yasuaki Ishimatsu

> ---
>   drivers/acpi/acpi_memhotplug.c  |   24 ++++++++++++------------
>   drivers/acpi/container.c        |    6 +++---
>   drivers/acpi/processor_driver.c |   36 +++++++++++++++++++++---------------
>   drivers/acpi/utils.c            |   32 ++++++++++++++++++++++++++++++++
>   include/acpi/acpi_bus.h         |   18 ++++++++++++++++++
>   5 files changed, 86 insertions(+), 30 deletions(-)
> 


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