From mboxrd@z Thu Jan 1 00:00:00 1970 From: Julien Grall Subject: Re: [PATCH v4 01/10] xen/arm: no need to set HCR_VI when using the vgic to inject irqs Date: Wed, 19 Mar 2014 13:33:44 +0000 Message-ID: <53299CB8.8090909@linaro.org> References: <1395232325-19226-1-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: <1395232325-19226-1-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 Cc: julien.grall@citrix.com, jtd@galois.com, xen-devel@lists.xensource.com, Ian.Campbell@citrix.com List-Id: xen-devel@lists.xenproject.org On 03/19/2014 12:31 PM, Stefano Stabellini wrote: > HCR_VI forces the guest to resume execution in IRQ mode and can actually > cause spurious interrupt injections. > The GIC is capable of injecting interrupts into the guest and causing it > to switch to IRQ mode automatically, without any need for the hypervisor > to set HCR_VI manually. > > Signed-off-by: Stefano Stabellini Acked-by: Julien Grall -- Julien Grall