PERFORCE change 92251 for review

[Kip Macy]

http://perforce.freebsd.org/chv.cgi?CH=92251

Change 92251 by kmacy at kmacy:freebsd7_xen3 on 2006/02/23 05:48:15

	apply fix submitted by Tim Kuik to xenbus_client.t
	apply fix for problem discovered by Arun Sharma

Affected files ...

.. //depot/projects/xen3/src/sys/dev/xen/xenbus/xenbus_client.c#3 edit
.. //depot/projects/xen3/src/sys/i386/i386/sys_machdep.c#4 edit

Differences ...

==== //depot/projects/xen3/src/sys/dev/xen/xenbus/xenbus_client.c#3 (text+ko) ====

@@ -218,7 +218,7 @@
 int xenbus_grant_ring(struct xenbus_device *dev, unsigned long ring_mfn)
 {
 	int err = gnttab_grant_foreign_access(dev->otherend_id, ring_mfn, 0);
-	if (err != 0)
+	if (err < 0)
 		xenbus_dev_fatal(dev, err, "granting access to ring page");
 	return err;
 }

==== //depot/projects/xen3/src/sys/i386/i386/sys_machdep.c#4 (text+ko) ====

@@ -183,7 +183,7 @@
 #ifndef XEN
 			PCPU_GET(fsgs_gdt)[0] = sd;
 #else
-			sd.sd_lolimit = 0x0;	/* < 4GB limit */
+			sd.sd_lolimit = 0xc3f0;	/* < 4GB limit */
 			HYPERVISOR_update_descriptor(vtomach(&PCPU_GET(fsgs_gdt)[1]), 
 						     *(uint64_t *)&sd);
 #endif
@@ -220,7 +220,7 @@
 #ifndef XEN
 			PCPU_GET(fsgs_gdt)[1] = sd;
 #else
-			sd.sd_lolimit = 0x0;	/* 4GB limit, wraps around */
+			sd.sd_lolimit = 0xc3f0;	/* 4GB limit, wraps around */
 			HYPERVISOR_update_descriptor(vtomach(&PCPU_GET(fsgs_gdt)[1]), 
 						     *(uint64_t *)&sd);
 #endif