[Xen-devel] [PATCH 1/2] xen/arm: add a warning if the guest asks for SPI delivery to vcpu != 0.

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
---
 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


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