diff --git a/Documentation/PCI/pci-iov-howto.txt b/Documentation/PCI/pci-iov-howto.txt
index 2d91ae2..902a528 100644
--- a/Documentation/PCI/pci-iov-howto.txt
+++ b/Documentation/PCI/pci-iov-howto.txt
@@ -68,6 +68,16 @@ To disable SR-IOV capability:
 	echo  0 > \
         /sys/bus/pci/devices/<DOMAIN:BUS:DEVICE.FUNCTION>/sriov_numvfs
 
+To enable probing VFs by a compatible driver on the host:
+Before enabling SR-IOV capabilities, do:
+	echo 1 > \
+        /sys/bus/pci/devices/<DOMAIN:BUS:DEVICE.FUNCTION>/sriov_probe_vfs
+
+To disable probing VFs by a compatible driver on the host:
+Before enabling SR-IOV capabilities, do:
+	echo  0 > \
+        /sys/bus/pci/devices/<DOMAIN:BUS:DEVICE.FUNCTION>/sriov_probe_vfs
+
 3.2 Usage example
 
 Following piece of code illustrates the usage of the SR-IOV API.
diff --git a/drivers/pci/iov.c b/drivers/pci/iov.c
index 2479ae8..70691de 100644
--- a/drivers/pci/iov.c
+++ b/drivers/pci/iov.c
@@ -450,6 +450,7 @@ static int sriov_init(struct pci_dev *dev, int pos)
 	iov->total_VFs = total;
 	iov->pgsz = pgsz;
 	iov->self = dev;
+	iov->probe_vfs = true;
 	pci_read_config_dword(dev, pos + PCI_SRIOV_CAP, &iov->cap);
 	pci_read_config_byte(dev, pos + PCI_SRIOV_FUNC_LINK, &iov->link);
 	if (pci_pcie_type(dev) == PCI_EXP_TYPE_RC_END)
diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c
index afa7271..2a1cf84 100644
--- a/drivers/pci/pci-driver.c
+++ b/drivers/pci/pci-driver.c
@@ -394,6 +394,18 @@ void __weak pcibios_free_irq(struct pci_dev *dev)
 {
 }
 
+#ifdef CONFIG_PCI_IOV
+static inline bool pci_device_can_probe(struct pci_dev *pdev)
+{
+	return (!pdev->is_virtfn || pdev->physfn->sriov->probe_vfs);
+}
+#else
+static inline bool pci_device_can_probe(struct pci_dev *pdev)
+{
+	return true;
+}
+#endif
+
 static int pci_device_probe(struct device *dev)
 {
 	int error;
@@ -405,10 +417,12 @@ static int pci_device_probe(struct device *dev)
 		return error;
 
 	pci_dev_get(pci_dev);
-	error = __pci_device_probe(drv, pci_dev);
-	if (error) {
-		pcibios_free_irq(pci_dev);
-		pci_dev_put(pci_dev);
+	if (pci_device_can_probe(pci_dev)) {
+		error = __pci_device_probe(drv, pci_dev);
+		if (error) {
+			pcibios_free_irq(pci_dev);
+			pci_dev_put(pci_dev);
+		}
 	}
 
 	return error;
diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c
index 25d010d..1d5b89d 100644
--- a/drivers/pci/pci-sysfs.c
+++ b/drivers/pci/pci-sysfs.c
@@ -526,10 +526,37 @@ static ssize_t sriov_numvfs_store(struct device *dev,
 	return count;
 }
 
+static ssize_t sriov_probe_vfs_show(struct device *dev,
+				    struct device_attribute *attr,
+				    char *buf)
+{
+	struct pci_dev *pdev = to_pci_dev(dev);
+
+	return sprintf(buf, "%u\n", pdev->sriov->probe_vfs);
+}
+
+static ssize_t sriov_probe_vfs_store(struct device *dev,
+				     struct device_attribute *attr,
+				     const char *buf, size_t count)
+{
+	struct pci_dev *pdev = to_pci_dev(dev);
+	bool probe_vfs;
+
+	if (kstrtobool(buf, &probe_vfs) < 0)
+		return -EINVAL;
+
+	pdev->sriov->probe_vfs = probe_vfs;
+
+	return count;
+}
+
 static struct device_attribute sriov_totalvfs_attr = __ATTR_RO(sriov_totalvfs);
 static struct device_attribute sriov_numvfs_attr =
 		__ATTR(sriov_numvfs, (S_IRUGO|S_IWUSR|S_IWGRP),
 		       sriov_numvfs_show, sriov_numvfs_store);
+static struct device_attribute sriov_probe_vfs_attr =
+		__ATTR(sriov_probe_vfs, (S_IRUGO|S_IWUSR|S_IWGRP),
+		       sriov_probe_vfs_show, sriov_probe_vfs_store);
 #endif /* CONFIG_PCI_IOV */
 
 static ssize_t driver_override_store(struct device *dev,
@@ -1549,6 +1576,7 @@ static umode_t pci_dev_hp_attrs_are_visible(struct kobject *kobj,
 static struct attribute *sriov_dev_attrs[] = {
 	&sriov_totalvfs_attr.attr,
 	&sriov_numvfs_attr.attr,
+	&sriov_probe_vfs_attr.attr,
 	NULL,
 };
 
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index 8dd38e6..b7d8127d 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -272,6 +272,7 @@ struct pci_sriov {
 	struct pci_dev *self;	/* this PF */
 	struct mutex lock;	/* lock for setting sriov_numvfs in sysfs */
 	resource_size_t barsz[PCI_SRIOV_NUM_BARS];	/* VF BAR size */
+	bool probe_vfs;		/* control probing of VFs */
 };
 
 #ifdef CONFIG_PCI_ATS
