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From: Julien Grall <julien.grall@linaro.org>
To: Stefano Stabellini <stefano.stabellini@eu.citrix.com>,
	xen-devel@lists.xensource.com
Cc: apatel@apm.com, Ian.Campbell@citrix.com, psawargaonkar@apm.com
Subject: Re: [PATCH v2] xen/arm: introduce PLATFORM_QUIRK_GUEST_PIRQ_NEED_EOI
Date: Wed, 02 Jul 2014 16:39:20 +0100	[thread overview]
Message-ID: <53B427A8.6010101@linaro.org> (raw)
In-Reply-To: <1404315229-31047-1-git-send-email-stefano.stabellini@eu.citrix.com>

Hi Stefano,

Sorry I didn't think about it before. Ian has pushed Vijay GICv2 rework
today. So you patch won't apply correctly.

On 07/02/2014 04:33 PM, Stefano Stabellini wrote:
> GICH_LR_HW doesn't work as expected on X-Gene: request maintenance
> interrupts and perform EOIs in the hypervisor as a workaround.
> Trigger this behaviour with a per platform option.
> 
> This patch assumes that GICC_DIR can be written on any pcpu for a given
> IRQ, not matter where GICC_IAR has been read before.

I would replace IRQ by SGIs as if it's an SPI/PPI we are screwed. In
practice it doesn't happen :).

Regards,


-- 
Julien Grall

  reply	other threads:[~2014-07-02 15:39 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-07-02 15:33 [PATCH v2] xen/arm: introduce PLATFORM_QUIRK_GUEST_PIRQ_NEED_EOI Stefano Stabellini
2014-07-02 15:39 ` Julien Grall [this message]
2014-07-03  9:29 ` Stefano Stabellini

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