Zhang, Xiantao
2009-Dec-25 15:34 UTC
[Xen-devel] x86: Enhance guest''s interrupt affinity setting.
# HG changeset patch # User root@vt-dp6 # Date 1261754905 -28800 # Node ID 3af667cf9a5814268aabb212f5b6892ed1da31cf # Parent 8f304c003af49d3b20aff5a6c2c963a7af696378 x86: Enhance guest''s interrupt affinity setting. When guest uses logical flat destionation mode for interrupt delivery, vector doesn''t change but destionation also can change, so should enhance the check condition. Signed-off-by: Xiantao Zhang <xiantao.zhang@intel.com> diff -r 8f304c003af4 -r 3af667cf9a58 xen/drivers/passthrough/io.c --- a/xen/drivers/passthrough/io.c Wed Dec 09 10:59:31 2009 +0000 +++ b/xen/drivers/passthrough/io.c Fri Dec 25 23:28:25 2009 +0800 @@ -199,7 +199,8 @@ int pt_irq_create_bind_vtd( } /* if pirq is already mapped as vmsi, update the guest data/addr */ - if ( hvm_irq_dpci->mirq[pirq].gmsi.gvec != pt_irq_bind->u.msi.gvec ) { + if ( hvm_irq_dpci->mirq[pirq].gmsi.gvec != pt_irq_bind->u.msi.gvec || + hvm_irq_dpci->mirq[pirq].gmsi.gflags != pt_irq_bind->u.msi.gflags) { hvm_irq_dpci->mirq[pirq].gmsi.old_gvec hvm_irq_dpci->mirq[pirq].gmsi.gvec; hvm_irq_dpci->mirq[pirq].gmsi.old_gflags _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel