linux-kernel - Re: [PATCH v9 01/21] ACPI / table: Use pr_debug() instead of pr

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Date:	Tue, 10 Mar 2015 10:35:58 +0800
From:	Hanjun Guo <hanjun.guo@...aro.org>
To:	Joe Perches <joe@...ches.com>,
	Grant Likely <grant.likely@...aro.org>
CC:	Catalin Marinas <catalin.marinas@....com>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Will Deacon <will.deacon@....com>,
	Olof Johansson <olof@...om.net>,
	Lorenzo Pieralisi <Lorenzo.Pieralisi@....com>,
	Arnd Bergmann <arnd@...db.de>,
	Mark Rutland <mark.rutland@....com>,
	Graeme Gregory <graeme.gregory@...aro.org>,
	Sudeep Holla <Sudeep.Holla@....com>,
	Jon Masters <jcm@...hat.com>,
	Marc Zyngier <marc.zyngier@....com>,
	Mark Brown <broonie@...nel.org>,
	Robert Richter <rric@...nel.org>,
	Timur Tabi <timur@...eaurora.org>,
	Ashwin Chaugule <ashwinc@...eaurora.org>,
	suravee.suthikulpanit@....com, linux-acpi@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	linaro-acpi@...ts.linaro.org
Subject: Re: [PATCH v9 01/21] ACPI / table: Use pr_debug() instead of pr_info()
 for MADT table scanning

On 2015年03月07日 04:31, Joe Perches wrote:
> On Fri, 2015-03-06 at 20:17 +0000, Grant Likely wrote:
>> On Wed, 25 Feb 2015 16:39:41 +0800 Hanjun Guo <hanjun.guo@...aro.org> wrote:
>>> This patch just use pr_debug() instead of pr_info() for ioapic/iosapic,
>>> local apic/x2apic/sapic structures when scanning the MADT table to remove
>>> those verbose information, but leave other structures unchanged.
> []
>> One nitpick below, but don't respin over this, and don't do a fixup.
> []
>>> diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c
> []
>>> @@ -61,9 +63,9 @@ void acpi_table_print_madt_entry(struct acpi_subtable_header *header)
>>>   		{
>>>   			struct acpi_madt_local_apic *p =
>>>   			    (struct acpi_madt_local_apic *)header;
>>> -			pr_info("LAPIC (acpi_id[0x%02x] lapic_id[0x%02x] %s)\n",
>>> -				p->processor_id, p->id,
>>> -				(p->lapic_flags & ACPI_MADT_ENABLED) ? "enabled" : "disabled");
>>> +			pr_debug("LAPIC (acpi_id[0x%02x] lapic_id[0x%02x] %s)\n",
>>> +				 p->processor_id, p->id,
>>> +				 (p->lapic_flags & ACPI_MADT_ENABLED) ? "enabled" : "disabled");
>>
>> The whitespace changes makes each 1 line change into 3 line changes. In
>> these situations, I would chose to leave the whitespace alone to keep
>> the diffstat as small as possible. It makes it less likely to conflict
>> with other patches and easier to find context.
>
> I think it's mostly better to use a consistent indentation style
> regardless of the number in whitespace changes surrounding the change.

I think both would be fine. Since this patch only touches acpi core
code and ACPI maintainer Rafael already acked it, I will keep it as
it is.

Thanks
Hanjun
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