From mboxrd@z Thu Jan 1 00:00:00 1970 From: Julien Grall Subject: Re: [PATCH-4.5 v2 0/10] remove maintenance interrupts Date: Sun, 16 Feb 2014 20:23:41 +0000 Message-ID: <53011E4D.5050908@linaro.org> References: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: 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: Julien Grall , Ian Campbell List-Id: xen-devel@lists.xenproject.org Hi Stefano, On 14/02/14 15:50, Stefano Stabellini wrote: > Hi all, > this patch series removes any needs for maintenance interrupts for both > hardware and software interrupts in Xen. > It achieves the goal by using the GICH_LR_HW bit for hardware interrupts > and by checking the status of the GICH_LR registers on return to guest, > clearing the registers that are invalid and handling the lifecycle of > the corresponding interrupts in Xen data structures. To keep track here, I have tried the patch series on top of the latest Xen. Booting Xen and Dom0 is slower with this patch series. -- Julien Grall