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

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Subject:	[Xen-changelog] [xen-unstable] x86, hvm: fix get msix entry error
From:	Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>
Date:	Mon, 06 Jul 2009 05:45:47 -0700
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# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1246877882 -3600
# Node ID d768628c28a4b7de4a4c017fb39d1d17b65d011b
# Parent  0ab211e699e65310c10d90c29b29c8c1e083a4aa
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/arch/x86/hvm/vmsi.c |    2 +-
 1 files changed, 1 insertion(+), 1 deletion(-)

diff -r 0ab211e699e6 -r d768628c28a4 xen/arch/x86/hvm/vmsi.c
--- a/xen/arch/x86/hvm/vmsi.c   Mon Jul 06 11:57:18 2009 +0100
+++ b/xen/arch/x86/hvm/vmsi.c   Mon Jul 06 11:58:02 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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