linux-kernel - Re: [PATCH V2 03/10] irqchip,GICv3,ACPI: Add redistributor support via GICC structures.

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Message-ID: <56952DA1.4030401@semihalf.com>
Date:	Tue, 12 Jan 2016 17:45:21 +0100
From:	Tomasz Nowicki <tn@...ihalf.com>
To:	Marc Zyngier <marc.zyngier@....com>, tglx@...utronix.de,
	jason@...edaemon.net, rjw@...ysocki.net, lorenzo.pieralisi@....com,
	robert.richter@...iumnetworks.com, shijie.huang@....com,
	guohanjun@...wei.com, Suravee.Suthikulpanit@....com,
	hanjun.guo@...aro.org
Cc:	mw@...ihalf.com, graeme.gregory@...aro.org,
	Catalin.Marinas@....com, will.deacon@....com,
	linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, ddaney.cavm@...il.com
Subject: Re: [PATCH V2 03/10] irqchip,GICv3,ACPI: Add redistributor support
 via GICC structures.

On 12.01.2016 13:03, Marc Zyngier wrote:

 > +	typer = readq_relaxed(redist_base + GICR_TYPER);
 > +	/* don't map reserved page as it's buggy to access it */
 > +	size = (typer & GICR_TYPER_VLPIS) ? SZ_64K * 3 : SZ_64K * 2;

[...]

> Also, please map the whole region for the
> redistributor as we have on the DT side (4 64kB pages for VLPIS capable
> redistributors).

Hanjun, is it something you had problem with?

Tomasz