[Xen-changelog] [xen-3.4-testing] x86, hvm: fix get msix entry error

["Xen patchbot-3.4-testing" <patchbot-3.4-testing@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1246883266 -3600
# Node ID 296c826ff6579b48a2855124e1bd246b09385c3e
# Parent  bc4e848081bcf8759ee5f496f068329be7eb1561
x86, hvm:  fix get msix entry error

There is a mistake to get the msix entry number. It should be
divide instead of modulus.

Signed-off-by: Yang Zhang <yang.zhang@xxxxxxxxx>
Signed-off-by: Qing He <qing.he@xxxxxxxxx>
xen-unstable changeset:   19902:d768628c28a4
xen-unstable date:        Mon Jul 06 11:58:02 2009 +0100
---
 xen/arch/x86/hvm/vmsi.c |    2 +-
 1 files changed, 1 insertion(+), 1 deletion(-)

diff -r bc4e848081bc -r 296c826ff657 xen/arch/x86/hvm/vmsi.c
--- a/xen/arch/x86/hvm/vmsi.c   Mon Jul 06 13:27:26 2009 +0100
+++ b/xen/arch/x86/hvm/vmsi.c   Mon Jul 06 13:27:46 2009 +0100
@@ -290,7 +290,7 @@ static int msixtbl_write(struct vcpu *v,
         goto out;
 
     entry = msixtbl_find_entry(v, address);
-    nr_entry = (address - entry->gtable) % PCI_MSIX_ENTRY_SIZE;
+    nr_entry = (address - entry->gtable) / PCI_MSIX_ENTRY_SIZE;
 
     offset = address & (PCI_MSIX_ENTRY_SIZE - 1);
     if ( offset != PCI_MSIX_ENTRY_VECTOR_CTRL_OFFSET)

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