From mboxrd@z Thu Jan 1 00:00:00 1970 From: Julien Grall Subject: Re: [PATCH v2] xen/arm: introduce PLATFORM_QUIRK_GUEST_PIRQ_NEED_EOI Date: Wed, 02 Jul 2014 16:39:20 +0100 Message-ID: <53B427A8.6010101@linaro.org> References: <1404315229-31047-1-git-send-email-stefano.stabellini@eu.citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1404315229-31047-1-git-send-email-stefano.stabellini@eu.citrix.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Stefano Stabellini , xen-devel@lists.xensource.com Cc: apatel@apm.com, Ian.Campbell@citrix.com, psawargaonkar@apm.com List-Id: xen-devel@lists.xenproject.org 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