linux-kernel - Re: [PATCH v3 5/9] irqchip/gic-v3: Gather all ACPI specific data in a single structure

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Date:	Tue, 15 Mar 2016 12:26:29 +0000
From:	Julien Grall <julien.grall@....com>
To:	Christoffer Dall <christoffer.dall@...aro.org>
Cc:	kvmarm@...ts.cs.columbia.edu, marc.zyngier@....com,
	fu.wei@...aro.org, kvm@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	wei@...hat.com, al.stone@...aro.org,
	Thomas Gleixner <tglx@...utronix.de>,
	Jason Cooper <jason@...edaemon.net>
Subject: Re: [PATCH v3 5/9] irqchip/gic-v3: Gather all ACPI specific data in a
 single structure

Hi Christoffer,

On 09/03/16 05:39, Christoffer Dall wrote:
> On Tue, Mar 08, 2016 at 11:29:29AM +0000, Julien Grall wrote:
>> Even though all the variables aren't marked with __initdata, they are
>> only used during initialization. So the structure is marked with
>> __initdata.
>
> Not sure I understand this commit message.
>
> As I see it, this commit includes two changes:
>
> 1. Mark the variables only used during init with __initdata
>
> 2. Move the variables into a structure
>
> If I get that right, can you argue for both changes?

What about:

"The ACPI code requires to use global variables in order to collect 
information from the tables.

To make clear those variables are ACPI specific, gather all of them in a 
single structure.

Furthermore, even if some of the variables are not marked with 
__initdata, they are all only used during the initialization. Therefore, 
the new variable, which hold the structure, can be marked __initdata."

Cheers,

-- 
Julien Grall