linux-kernel - Re: [PATCH 1/5] irqchip: gicv3-its: allocate proper size for DT

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Message-ID: <54CBD715.9040000@arm.com>
Date:	Fri, 30 Jan 2015 19:10:13 +0000
From:	Marc Zyngier <marc.zyngier@....com>
To:	Yun Wu <wuyun.wu@...wei.com>,
	"tglx@...utronix.de" <tglx@...utronix.de>,
	"jason@...edaemon.net" <jason@...edaemon.net>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 1/5] irqchip: gicv3-its: allocate proper size for DT

On 30/01/15 07:46, Yun Wu wrote:
> A hardware implementation may be designed to search the device
> table (DT) using a direct mapping between device ID and memory
> address, and in this scenario a single page, currently allocated
> for DT in ITS driver, will be probably not enough.
> 
> This patch will try best to get this addressed by enlarging DT
> size with a limitation of MAX_ORDER pages.
> 
> Signed-off-by: Yun Wu <wuyun.wu@...wei.com>

A similar patch has been posted already (and is already in my queue):

https://git.kernel.org/cgit/linux/kernel/git/maz/arm-platforms.git/commit/?h=irq/gic-fixes&id=4be3de2af2a58476f84d678f3e8a3596f23f80d5

	M.
-- 
Jazz is not dead. It just smells funny...
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