From mboxrd@z Thu Jan 1 00:00:00 1970 From: Julien Grall Subject: Re: xen/arm: Query - vgic nr_spis value for domU Date: Tue, 24 Feb 2015 09:48:34 +0000 Message-ID: <54EC48F2.7020205@linaro.org> References: <1424770871.27930.268.camel@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1424770871.27930.268.camel@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: Ian Campbell , Vijay Kilari Cc: Julien Grall , Stefano Stabellini , "xen-devel@lists.xen.org" List-Id: xen-devel@lists.xenproject.org On 24/02/2015 09:41, Ian Campbell wrote: > domU should get configurable nr_lpi in the same way Julien has done for > spi. Unless it is possible to make nr_lpi dynamic based on the guests > actual usage patterns (i.e. alloc on demand), that would be ok too. You have to expose the number of LPI's used in GICD_TYPER. So unless we decide to use hardware value for the guest, we would have to set a static one at domain creation. Regards, -- Julien Grall