[Xen-changelog] Fix xc_ptrace for paravirtualized guests.

[BitKeeper Bot <riel@xxxxxxxxxxx>]

ChangeSet 1.1403, 2005/04/30 09:35:33+01:00, kaf24@xxxxxxxxxxxxxxxxxxxx

        Fix xc_ptrace for paravirtualized guests.
        Signed-off-by: Kip Macy <kmacy@xxxxxxxxxxx>



 xc_ptrace.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)


diff -Nru a/tools/libxc/xc_ptrace.c b/tools/libxc/xc_ptrace.c
--- a/tools/libxc/xc_ptrace.c   2005-04-30 05:02:36 -04:00
+++ b/tools/libxc/xc_ptrace.c   2005-04-30 05:02:36 -04:00
@@ -181,7 +181,8 @@
     } 
     if ((pde = cr3_virt[cpu][vtopdi(va)]) == 0) /* logical address */
        goto error_out;
-    pde = page_array[pde >> PAGE_SHIFT] << PAGE_SHIFT;
+    if (ctxt[cpu].flags & VGCF_VMX_GUEST)
+        pde = page_array[pde >> PAGE_SHIFT] << PAGE_SHIFT;
     if (pde != pde_phys[cpu]) 
     {
        pde_phys[cpu] = pde;
@@ -194,7 +195,8 @@
     }
     if ((page = pde_virt[cpu][vtopti(va)]) == 0) /* logical address */
        goto error_out;
-    page = page_array[page >> PAGE_SHIFT] << PAGE_SHIFT;
+    if (ctxt[cpu].flags & VGCF_VMX_GUEST)
+        page = page_array[page >> PAGE_SHIFT] << PAGE_SHIFT;
     if (page != page_phys[cpu] || perm != prev_perm[cpu]) 
     {
        page_phys[cpu] = page;

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