From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ian Campbell <ian.campbell@citrix.com>
Subject: Re: [PATCH v7 21/28] xen/arm: ITS: Add GICR register
 emulation
Date: Mon, 28 Sep 2015 10:53:54 +0100
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To: Vijay Kilari <vijay.kilari@gmail.com>, Julien Grall <julien.grall@citrix.com>
Cc: Stefano Stabellini <stefano.stabellini@eu.citrix.com>, Prasun Kapoor <Prasun.Kapoor@caviumnetworks.com>, Vijaya Kumar K <Vijaya.Kumar@caviumnetworks.com>, Tim Deegan <tim@xen.org>, "xen-devel@lists.xen.org" <xen-devel@lists.xen.org>, Stefano Stabellini <stefano.stabellini@citrix.com>, manish.jaggi@caviumnetworks.com
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On Sat, 2015-09-26 at 21:38 +0530, Vijay Kilari wrote:

>  LPI property table is accessed in interrupt context. So interrupts
> are disabled.

Interrupts a reenabled while handling an interrupt, so a higher priority
interrupt can still interrupt things.

See the use of local_irq_enable in gic_interrupt.

Ian.