6 files changed, 8 insertions, 5 deletions

diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
index 988828b479ed..b8e279479a6b 100644
--- a/arch/x86/xen/mmu.c
+++ b/arch/x86/xen/mmu.c
@@ -1859,6 +1859,7 @@ pgd_t * __init xen_setup_kernel_pagetable(pgd_t *pgd,
 #endif  /* CONFIG_X86_64 */
 
 static unsigned char dummy_mapping[PAGE_SIZE] __page_aligned_bss;
+static unsigned char fake_ioapic_mapping[PAGE_SIZE] __page_aligned_bss;
 
 static void xen_set_fixmap(unsigned idx, phys_addr_t phys, pgprot_t prot)
 {
@@ -1899,7 +1900,7 @@ static void xen_set_fixmap(unsigned idx, phys_addr_t phys, pgprot_t prot)
                  * We just don't map the IO APIC - all access is via
                  * hypercalls.  Keep the address in the pte for reference.
                  */
-                pte = pfn_pte(PFN_DOWN(__pa(dummy_mapping)), PAGE_KERNEL);
+                pte = pfn_pte(PFN_DOWN(__pa(fake_ioapic_mapping)), PAGE_KERNEL);
                 break;
 #endif
 
@@ -2064,6 +2065,7 @@ void __init xen_init_mmu_ops(void)
         pv_mmu_ops = xen_mmu_ops;
 
         memset(dummy_mapping, 0xff, PAGE_SIZE);
+        memset(fake_ioapic_mapping, 0xfd, PAGE_SIZE);
 }
 
 /* Protected by xen_reservation_lock. */
diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c
index 02900e8ce26c..5fac6919b957 100644
--- a/arch/x86/xen/smp.c
+++ b/arch/x86/xen/smp.c
@@ -59,7 +59,7 @@ static irqreturn_t xen_reschedule_interrupt(int irq, void *dev_id)
 
 static void __cpuinit cpu_bringup(void)
 {
-        int cpu = smp_processor_id();
+        int cpu;
 
         cpu_init();
         touch_softlockup_watchdog();
diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
index d5e1ab956740..98cbeba8cd53 100644
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -1475,7 +1475,7 @@ static int __init xlblk_init(void)
         if (!xen_domain())
                 return -ENODEV;
 
-        if (!xen_platform_pci_unplug)
+        if (xen_hvm_domain() && !xen_platform_pci_unplug)
                 return -ENODEV;
 
         if (register_blkdev(XENVBD_MAJOR, DEV_NAME)) {
diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
index 663b32c2e931..0ebbb1906c30 100644
--- a/drivers/net/xen-netfront.c
+++ b/drivers/net/xen-netfront.c
@@ -1965,7 +1965,7 @@ static int __init netif_init(void)
         if (xen_initial_domain())
                 return 0;
 
-        if (!xen_platform_pci_unplug)
+        if (xen_hvm_domain() && !xen_platform_pci_unplug)
                 return -ENODEV;
 
         printk(KERN_INFO "Initialising Xen virtual ethernet driver.\n");
diff --git a/drivers/pci/xen-pcifront.c b/drivers/pci/xen-pcifront.c
index fd00ff02ab4d..d6cc62cb4cf7 100644
--- a/drivers/pci/xen-pcifront.c
+++ b/drivers/pci/xen-pcifront.c
@@ -290,6 +290,7 @@ static int pci_frontend_enable_msix(struct pci_dev *dev,
                 } else {
                         printk(KERN_DEBUG "enable msix get value %x\n",
                                 op.value);
+                        err = op.value;
                 }
         } else {
                 dev_err(&dev->dev, "enable msix get err %x\n", err);
diff --git a/drivers/xen/xen-pciback/pciback_ops.c b/drivers/xen/xen-pciback/pciback_ops.c
index 63616d7453e6..97f5d264c31e 100644
--- a/drivers/xen/xen-pciback/pciback_ops.c
+++ b/drivers/xen/xen-pciback/pciback_ops.c
@@ -234,7 +234,7 @@ int xen_pcibk_enable_msix(struct xen_pcibk_device *pdev,
         if (dev_data)
                 dev_data->ack_intr = 0;
 
-        return result;
+        return result > 0 ? 0 : result;
 }
 
 static