Merge branch 'perf/core' into perf/uprobes

Merge in latest upstream (and the latest perf development tree),
to prepare for tooling changes, and also to pick up v3.4 MM
changes that the uprobes code needs to take care of.

Signed-off-by: Ingo Molnar <mingo@kernel.org>

1 files changed, 9 insertions, 4 deletions

diff --git a/arch/um/drivers/net_kern.c b/arch/um/drivers/net_kern.c
index a492e59883a..95f4416e6d9 100644
--- a/arch/um/drivers/net_kern.c
+++ b/arch/um/drivers/net_kern.c
@@ -161,7 +161,7 @@ static int uml_net_open(struct net_device *dev)
 	}
 
 	err = um_request_irq(dev->irq, lp->fd, IRQ_READ, uml_net_interrupt,
-			     IRQF_DISABLED | IRQF_SHARED, dev->name, dev);
+			     IRQF_SHARED, dev->name, dev);
 	if (err != 0) {
 		printk(KERN_ERR "uml_net_open: failed to get irq(%d)\n", err);
 		err = -ENETUNREACH;
@@ -293,7 +293,7 @@ static void uml_net_user_timer_expire(unsigned long _conn)
 #endif
 }
 
-static void setup_etheraddr(char *str, unsigned char *addr, char *name)
+static int setup_etheraddr(char *str, unsigned char *addr, char *name)
 {
 	char *end;
 	int i;
@@ -334,12 +334,13 @@ static void setup_etheraddr(char *str, unsigned char *addr, char *name)
 		       addr[0] | 0x02, addr[1], addr[2], addr[3], addr[4],
 		       addr[5]);
 	}
-	return;
+	return 0;
 
 random:
 	printk(KERN_INFO
 	       "Choosing a random ethernet address for device %s\n", name);
 	random_ether_addr(addr);
+	return 1;
 }
 
 static DEFINE_SPINLOCK(devices_lock);
@@ -391,6 +392,7 @@ static void eth_configure(int n, void *init, char *mac,
 	struct net_device *dev;
 	struct uml_net_private *lp;
 	int err, size;
+	int random_mac;
 
 	size = transport->private_size + sizeof(struct uml_net_private);
 
@@ -417,7 +419,7 @@ static void eth_configure(int n, void *init, char *mac,
 	 */
 	snprintf(dev->name, sizeof(dev->name), "eth%d", n);
 
-	setup_etheraddr(mac, device->mac, dev->name);
+	random_mac = setup_etheraddr(mac, device->mac, dev->name);
 
 	printk(KERN_INFO "Netdevice %d (%pM) : ", n, device->mac);
 
@@ -474,6 +476,9 @@ static void eth_configure(int n, void *init, char *mac,
 
 	/* don't use eth_mac_addr, it will not work here */
 	memcpy(dev->dev_addr, device->mac, ETH_ALEN);
+	if (random_mac)
+		dev->addr_assign_type |= NET_ADDR_RANDOM;
+
 	dev->mtu = transport->user->mtu;
 	dev->netdev_ops = &uml_netdev_ops;
 	dev->ethtool_ops = &uml_net_ethtool_ops;