From: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Date: Fri, 4 Feb 2011 16:42:50 +0000 (+0000)
Subject: passthrough: always read default pci passthrough settings
X-Git-Tag: xen-4.1.0-rc4~1
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=6a42c2f74e7dcd0bf57761bd5dd3af69b272a827;p=qemu-xen-unstable.git

passthrough: always read default pci passthrough settings

If there are no devices assigned to the domain at boot, we don't read
the default pci passthrough parameters.  This patch fixes it.  Reading
num_devs is completely useless hence I am removing it.

Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
---

diff --git a/xenstore.c b/xenstore.c
index d364a5e267..eed495553d 100644
--- a/xenstore.c
+++ b/xenstore.c
@@ -731,18 +731,7 @@ void xenstore_parse_domain_config(int hvm_domid)
      * hvm_domid is always equal to domid */
     hvm_domid = domid;
 
-    /* get the pci pass-through parameter */
-    if (pasprintf(&buf, "/local/domain/0/backend/pci/%u/%u/num_devs",
-                  hvm_domid, pci_devid) == -1)
-        goto out;
-
-    free(params);
-    params = xs_read(xsh, XBT_NULL, buf, &len);
-    if (params == NULL)
-        goto out;
-    num = atoi(params);
-
-    /* get the pci pass-through parameter */
+    /* get the pci pass-through parameters */
     if (pasprintf(&buf, "/local/domain/0/backend/pci/%u/%u/msitranslate",
                   hvm_domid, pci_devid) != -1)
     {