From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefano Stabellini Subject: [PATCH 1/2] xen/arm: add a warning if the guest asks for SPI delivery to vcpu != 0. Date: Sun, 25 May 2014 19:06:31 +0100 Message-ID: <1401041192-20424-1-git-send-email-stefano.stabellini@eu.citrix.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" 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: xen-devel@lists.xensource.com Cc: julien.grall@citrix.com, Ian.Campbell@citrix.com, Stefano Stabellini List-Id: xen-devel@lists.xenproject.org Signed-off-by: Stefano Stabellini --- xen/arch/arm/vgic.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/xen/arch/arm/vgic.c b/xen/arch/arm/vgic.c index 4869b87..e4f38a0 100644 --- a/xen/arch/arm/vgic.c +++ b/xen/arch/arm/vgic.c @@ -581,6 +581,11 @@ static int vgic_distr_mmio_write(struct vcpu *v, mmio_info_t *info) if ( dabt.size != 0 && dabt.size != 2 ) goto bad_width; rank = vgic_irq_rank(v, 8, gicd_reg - GICD_ITARGETSR); if ( rank == NULL) goto write_ignore; + if ( *r ) + { + gdprintk(XENLOG_DEBUG, "SPI delivery to seconday cpus is unimplemented\n"); + return 1; + } vgic_lock_rank(v, rank); if ( dabt.size == 2 ) rank->itargets[REG_RANK_INDEX(8, gicd_reg - GICD_ITARGETSR)] = *r; -- 1.7.10.4