From 7d93370e8005499d18507b8cd9fa71f4ae794e19 Mon Sep 17 00:00:00 2001
From: Liu Jinsong <jinsong.liu@vt-nhm7.tsp.org>
Date: Fri, 6 Sep 2013 16:34:56 +0800
Subject: [PATCH] qemu-xen: vt-d bugfix for pci rom
Remove incorrect memory_region_init_rom_device() from xen_pt_register_regions(),
otherwise vt-d device with pci rom cannot pass through to hvm, since it trys to
populate from normal ram for pci rom.
Signed-off-by: Liu Jinsong <jinsong.liu@intel.com>
---
hw/xen_pt.c | 2 --
1 files changed, 0 insertions(+), 2 deletions(-)
diff --git a/hw/xen_pt.c b/hw/xen_pt.c
index 7aae826..b0bffdb 100644
--- a/hw/xen_pt.c
+++ b/hw/xen_pt.c
@@ -440,8 +440,6 @@ static int xen_pt_register_regions(XenPCIPassthroughState
*s)
s->bases[PCI_ROM_SLOT].access.maddr = d->rom.base_addr;
- memory_region_init_rom_device(&s->rom, NULL, NULL,
- "xen-pci-pt-rom",
d->rom.size);
pci_register_bar(&s->dev, PCI_ROM_SLOT,
PCI_BASE_ADDRESS_MEM_PREFETCH,
&s->rom);
--
1.7.1
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