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[Xen-changelog] [xen-unstable] Fix 17725:c0c0f4fa8850: use type paddr_t instead of unsigned long for physcial memory address



# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1211880910 -3600
# Node ID e265878e8f657ca532ebe98b5bac233f395f2814
# Parent  80ee45e007e1fc3d500d800a6c0aaa56e815e262
Fix 17725:c0c0f4fa8850: use type paddr_t instead of unsigned long for physcial 
memory address

Otherwise, the address overflows on PAE system with memory size > 4G.

Signed-off-by: Yang, Xiaowei <xiaowei.yang@xxxxxxxxx>
---
 xen/arch/x86/setup.c                |    8 ++++----
 xen/arch/x86/tboot.c                |    6 +++---
 xen/drivers/passthrough/vtd/iommu.c |    7 ++++---
 3 files changed, 11 insertions(+), 10 deletions(-)

diff -r 80ee45e007e1 -r e265878e8f65 xen/arch/x86/setup.c
--- a/xen/arch/x86/setup.c      Tue May 27 10:31:55 2008 +0100
+++ b/xen/arch/x86/setup.c      Tue May 27 10:35:10 2008 +0100
@@ -1100,10 +1100,10 @@ void arch_get_xen_caps(xen_capabilities_
 #endif
 }
 
-int xen_in_range(unsigned long start, unsigned long end)
-{
-    start = max_t(unsigned long, start, xenheap_phys_start);
-    end = min_t(unsigned long, end, xenheap_phys_end);
+int xen_in_range(paddr_t start, paddr_t end)
+{
+    start = max_t(paddr_t, start, xenheap_phys_start);
+    end = min_t(paddr_t, end, xenheap_phys_end);
  
     return start < end; 
 }
diff -r 80ee45e007e1 -r e265878e8f65 xen/arch/x86/tboot.c
--- a/xen/arch/x86/tboot.c      Tue May 27 10:31:55 2008 +0100
+++ b/xen/arch/x86/tboot.c      Tue May 27 10:35:10 2008 +0100
@@ -96,13 +96,13 @@ int tboot_in_measured_env(void)
     return (g_tboot_shared != NULL);
 }
 
-int tboot_in_range(unsigned long start, unsigned long end)
+int tboot_in_range(paddr_t start, paddr_t end)
 {
     if ( g_tboot_shared == NULL || g_tboot_shared->version < 0x02 )
         return 0;
 
-    start = max_t(unsigned long, start, g_tboot_shared->tboot_base);
-    end = min_t(unsigned long, end, 
+    start = max_t(paddr_t, start, g_tboot_shared->tboot_base);
+    end = min_t(paddr_t, end, 
                 g_tboot_shared->tboot_base + g_tboot_shared->tboot_size);
  
     return start < end; 
diff -r 80ee45e007e1 -r e265878e8f65 xen/drivers/passthrough/vtd/iommu.c
--- a/xen/drivers/passthrough/vtd/iommu.c       Tue May 27 10:31:55 2008 +0100
+++ b/xen/drivers/passthrough/vtd/iommu.c       Tue May 27 10:35:10 2008 +0100
@@ -1074,7 +1074,8 @@ static int intel_iommu_domain_init(struc
     struct hvm_iommu *hd = domain_hvm_iommu(d);
     struct iommu *iommu = NULL;
     int guest_width = DEFAULT_DOMAIN_ADDRESS_WIDTH;
-    int i, adjust_width, agaw;
+    int adjust_width, agaw;
+    u64 i;
     unsigned long sagaw;
     struct acpi_drhd_unit *drhd;
 
@@ -1102,8 +1103,8 @@ static int intel_iommu_domain_init(struc
 
     if ( d->domain_id == 0 )
     {
-        extern int xen_in_range(unsigned long start, unsigned long end);
-        extern int tboot_in_range(unsigned long start, unsigned long end);
+        extern int xen_in_range(paddr_t start, paddr_t end);
+        extern int tboot_in_range(paddr_t start, paddr_t end);
 
         /* 
          * Set up 1:1 page table for dom0 except the critical segments

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