From: Thomas Horsten <thomas.horsten@citrix.com>
Date: Wed, 14 Oct 2009 15:42:45 +0000 (+0100)
Subject: Fix to the IO -> MMIO Intel trap code
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=5d11a3eaca0372820856243dd2ae8db038de6f67;p=xenclient%2Fxen-pq.git

Fix to the IO -> MMIO Intel trap code
---

diff --git a/master/filter-igfx-io b/master/filter-igfx-io
index 8176753..2aed32a 100644
--- a/master/filter-igfx-io
+++ b/master/filter-igfx-io
@@ -1,5 +1,18 @@
+diff --git a/Config.mk b/Config.mk
+index 5ecf067..37392b7 100644
+--- a/Config.mk
++++ b/Config.mk
+@@ -1,7 +1,7 @@
+ # -*- mode: Makefile; -*-
+ 
+ # A debug build of Xen and tools?
+-debug ?= y
++debug ?= n
+ 
+ XEN_COMPILE_ARCH    ?= $(shell uname -m | sed -e s/i.86/x86_32/ \
+                          -e s/i86pc/x86_32/ -e s/amd64/x86_64/)
 diff --git a/xen/arch/x86/hvm/io.c b/xen/arch/x86/hvm/io.c
-index 0d7f5ff..940ff1f 100644
+index 0d7f5ff..aa6a4a4 100644
 --- a/xen/arch/x86/hvm/io.c
 +++ b/xen/arch/x86/hvm/io.c
 @@ -278,6 +278,7 @@ void dpci_ioport_write(uint32_t mport, ioreq_t *p)
@@ -18,9 +31,9 @@ index 0d7f5ff..940ff1f 100644
 +        {
 +            if ( mport == d->igfx_ioport )
 +            {
-+                if ((d->igfx_index & 1) && (d->igfx_index < 0x10000))
++                if ((data & 1) && (data < 0x10000))
 +                {
-+                    d->igfx_index = data & ~3;
++                    d->igfx_index = data;
 +                    continue;
 +                } else {
 +                    d->igfx_index = 0;
@@ -39,7 +52,7 @@ index 0d7f5ff..940ff1f 100644
          {
          case 1:
 diff --git a/xen/drivers/passthrough/vtd/iommu.c b/xen/drivers/passthrough/vtd/iommu.c
-index ff56a19..adeaa55 100644
+index 15555a0..d8c47ce 100644
 --- a/xen/drivers/passthrough/vtd/iommu.c
 +++ b/xen/drivers/passthrough/vtd/iommu.c
 @@ -1395,6 +1395,22 @@ static int domain_context_unmap(struct domain *domain, u8 bus, u8 devfn)