From: Peter Dinda <pdinda@northwestern.edu>
Date: Fri, 22 Mar 2013 20:59:57 +0000 (-0500)
Subject: PCI bugfix for passthrough bars
X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=commitdiff_plain;h=c9b6a9f7d7360156ddb60223a2abd0989ce31adf;p=palacios.git

PCI bugfix for passthrough bars
---

diff --git a/palacios/src/devices/pci.c b/palacios/src/devices/pci.c
index 7bac081..c911639 100644
--- a/palacios/src/devices/pci.c
+++ b/palacios/src/devices/pci.c
@@ -1389,6 +1389,9 @@ static inline int init_bars(struct v3_vm_info * vm, struct pci_device * pci_dev)
 	    // Call the bar init function to get the local cached value
 	    bar->bar_init(i, &(bar->val), bar->private_data);
 
+	    // Copy back changes it made
+            *(uint32_t *)(pci_dev->config_space + bar_offset) = bar->val;
+
 	} else {
 	    PrintError(vm, VCORE_NONE, "Invalid BAR type for bar #%d\n", i);
 	    return -1;