linux-kernel - Re: [PATCH v3 3/9] irqchip/gic-v2: Gather ACPI specific data in a single structure

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Date:	Sun, 13 Mar 2016 19:19:54 +0100
From:	Christoffer Dall <christoffer.dall@...aro.org>
To:	Julien Grall <julien.grall@....com>
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 3/9] irqchip/gic-v2: Gather ACPI specific data in a
 single structure

On Wed, Mar 09, 2016 at 01:18:14PM +0700, Julien Grall wrote:
> Hi Christoffer,
> 
> On 09/03/2016 12:47, Christoffer Dall wrote:
> >On Tue, Mar 08, 2016 at 11:29:27AM +0000, Julien Grall wrote:
> >>For now, there is only one member. More member will be added later.
> >
> >questionable commit message
> 
> What about:
> 
> "The ACPI code requires to use global variables in order to collect
> information from the tables.
> 
> For now only a single global variable is used, but more will be
> added in a subsequent patch. To make clear they are ACPI specific,
> gather all the information in a single structure."
> 

that's better.

> [...]
> 
> >>@@ -1316,7 +1319,7 @@ static int __init gic_v2_acpi_init(struct acpi_subtable_header *header,
> >>  		return -EINVAL;
> >>  	}
> >>
> >>-	cpu_base = ioremap(cpu_phy_base, ACPI_GIC_CPU_IF_MEM_SIZE);
> >>+	cpu_base = ioremap(acpi_data.cpu_phy_base, ACPI_GIC_CPU_IF_MEM_SIZE);
> >>  	if (!cpu_base) {
> >>  		pr_err("Unable to map GICC registers\n");
> >>  		return -ENOMEM;
> >>--
> >>1.9.1
> >>
> >super nit: I would use cpu_phys_base instead of cpu_phy_base, but I'll
> >leave it up to you.
> 
> I will update the commit message, so I will rename the variable too.
> 

Thanks,
-Christoffer