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, 48 insertions, 65 deletions

diff --git a/drivers/watchdog/pcwd_pci.c b/drivers/watchdog/pcwd_pci.c
index b8d14f88f0b..c891399bed6 100644
--- a/drivers/watchdog/pcwd_pci.c
+++ b/drivers/watchdog/pcwd_pci.c
@@ -32,6 +32,8 @@
  *	Includes, defines, variables, module parameters, ...
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/module.h>	/* For module specific items */
 #include <linux/moduleparam.h>	/* For new moduleparam's */
 #include <linux/types.h>	/* For standard types (like size_t) */
@@ -54,8 +56,7 @@
 #define WATCHDOG_VERSION "1.03"
 #define WATCHDOG_DRIVER_NAME "PCI-PC Watchdog"
 #define WATCHDOG_NAME "pcwd_pci"
-#define PFX WATCHDOG_NAME ": "
-#define DRIVER_VERSION WATCHDOG_DRIVER_NAME " driver, v" WATCHDOG_VERSION "\n"
+#define DRIVER_VERSION WATCHDOG_DRIVER_NAME " driver, v" WATCHDOG_VERSION
 
 /* Stuff for the PCI ID's  */
 #ifndef PCI_VENDOR_ID_QUICKLOGIC
@@ -145,8 +146,8 @@ MODULE_PARM_DESC(heartbeat, "Watchdog heartbeat in seconds. "
 	"(0<heartbeat<65536 or 0=delay-time from dip-switches, default="
 				__MODULE_STRING(WATCHDOG_HEARTBEAT) ")");
 
-static int nowayout = WATCHDOG_NOWAYOUT;
-module_param(nowayout, int, 0);
+static bool nowayout = WATCHDOG_NOWAYOUT;
+module_param(nowayout, bool, 0);
 MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default="
 					__MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
 
@@ -159,8 +160,8 @@ static int send_command(int cmd, int *msb, int *lsb)
 	int got_response, count;
 
 	if (debug >= DEBUG)
-		printk(KERN_DEBUG PFX "sending following data "
-		"cmd=0x%02x msb=0x%02x lsb=0x%02x\n", cmd, *msb, *lsb);
+		pr_debug("sending following data cmd=0x%02x msb=0x%02x lsb=0x%02x\n",
+			 cmd, *msb, *lsb);
 
 	spin_lock(&pcipcwd_private.io_lock);
 	/* If a command requires data it should be written first.
@@ -185,12 +186,10 @@ static int send_command(int cmd, int *msb, int *lsb)
 
 	if (debug >= DEBUG) {
 		if (got_response) {
-			printk(KERN_DEBUG PFX
-				"time to process command was: %d ms\n",
-				count);
+			pr_debug("time to process command was: %d ms\n",
+				 count);
 		} else {
-			printk(KERN_DEBUG PFX
-				"card did not respond on command!\n");
+			pr_debug("card did not respond on command!\n");
 		}
 	}
 
@@ -203,9 +202,8 @@ static int send_command(int cmd, int *msb, int *lsb)
 		inb_p(pcipcwd_private.io_addr + 6);
 
 		if (debug >= DEBUG)
-			printk(KERN_DEBUG PFX "received following data for "
-				"cmd=0x%02x: msb=0x%02x lsb=0x%02x\n",
-				cmd, *msb, *lsb);
+			pr_debug("received following data for cmd=0x%02x: msb=0x%02x lsb=0x%02x\n",
+				 cmd, *msb, *lsb);
 	}
 
 	spin_unlock(&pcipcwd_private.io_lock);
@@ -243,27 +241,23 @@ static void pcipcwd_show_card_info(void)
 	/* Get switch settings */
 	option_switches = pcipcwd_get_option_switches();
 
-	printk(KERN_INFO PFX "Found card at port "
-		"0x%04x (Firmware: %s) %s temp option\n",
+	pr_info("Found card at port 0x%04x (Firmware: %s) %s temp option\n",
 		(int) pcipcwd_private.io_addr, fw_ver_str,
 		(pcipcwd_private.supports_temp ? "with" : "without"));
 
-	printk(KERN_INFO PFX "Option switches (0x%02x): "
-		"Temperature Reset Enable=%s, Power On Delay=%s\n",
+	pr_info("Option switches (0x%02x): Temperature Reset Enable=%s, Power On Delay=%s\n",
 		option_switches,
 		((option_switches & 0x10) ? "ON" : "OFF"),
 		((option_switches & 0x08) ? "ON" : "OFF"));
 
 	if (pcipcwd_private.boot_status & WDIOF_CARDRESET)
-		printk(KERN_INFO PFX
-			"Previous reset was caused by the Watchdog card\n");
+		pr_info("Previous reset was caused by the Watchdog card\n");
 
 	if (pcipcwd_private.boot_status & WDIOF_OVERHEAT)
-		printk(KERN_INFO PFX "Card sensed a CPU Overheat\n");
+		pr_info("Card sensed a CPU Overheat\n");
 
 	if (pcipcwd_private.boot_status == 0)
-		printk(KERN_INFO PFX
-			"No previous trip detected - Cold boot or reset\n");
+		pr_info("No previous trip detected - Cold boot or reset\n");
 }
 
 static int pcipcwd_start(void)
@@ -278,12 +272,12 @@ static int pcipcwd_start(void)
 	spin_unlock(&pcipcwd_private.io_lock);
 
 	if (stat_reg & WD_PCI_WDIS) {
-		printk(KERN_ERR PFX "Card timer not enabled\n");
+		pr_err("Card timer not enabled\n");
 		return -1;
 	}
 
 	if (debug >= VERBOSE)
-		printk(KERN_DEBUG PFX "Watchdog started\n");
+		pr_debug("Watchdog started\n");
 
 	return 0;
 }
@@ -303,13 +297,12 @@ static int pcipcwd_stop(void)
 	spin_unlock(&pcipcwd_private.io_lock);
 
 	if (!(stat_reg & WD_PCI_WDIS)) {
-		printk(KERN_ERR PFX
-			"Card did not acknowledge disable attempt\n");
+		pr_err("Card did not acknowledge disable attempt\n");
 		return -1;
 	}
 
 	if (debug >= VERBOSE)
-		printk(KERN_DEBUG PFX "Watchdog stopped\n");
+		pr_debug("Watchdog stopped\n");
 
 	return 0;
 }
@@ -322,7 +315,7 @@ static int pcipcwd_keepalive(void)
 	spin_unlock(&pcipcwd_private.io_lock);
 
 	if (debug >= DEBUG)
-		printk(KERN_DEBUG PFX "Watchdog keepalive signal send\n");
+		pr_debug("Watchdog keepalive signal send\n");
 
 	return 0;
 }
@@ -340,8 +333,7 @@ static int pcipcwd_set_heartbeat(int t)
 
 	heartbeat = t;
 	if (debug >= VERBOSE)
-		printk(KERN_DEBUG PFX "New heartbeat: %d\n",
-		       heartbeat);
+		pr_debug("New heartbeat: %d\n", heartbeat);
 
 	return 0;
 }
@@ -357,12 +349,11 @@ static int pcipcwd_get_status(int *status)
 	if (control_status & WD_PCI_TTRP) {
 		*status |= WDIOF_OVERHEAT;
 		if (temp_panic)
-			panic(PFX "Temperature overheat trip!\n");
+			panic(KBUILD_MODNAME ": Temperature overheat trip!\n");
 	}
 
 	if (debug >= DEBUG)
-		printk(KERN_DEBUG PFX "Control Status #1: 0x%02x\n",
-		       control_status);
+		pr_debug("Control Status #1: 0x%02x\n", control_status);
 
 	return 0;
 }
@@ -374,14 +365,14 @@ static int pcipcwd_clear_status(void)
 	int reset_counter;
 
 	if (debug >= VERBOSE)
-		printk(KERN_INFO PFX "clearing watchdog trip status & LED\n");
+		pr_info("clearing watchdog trip status & LED\n");
 
 	control_status = inb_p(pcipcwd_private.io_addr + 1);
 
 	if (debug >= DEBUG) {
-		printk(KERN_DEBUG PFX "status was: 0x%02x\n", control_status);
-		printk(KERN_DEBUG PFX "sending: 0x%02x\n",
-		       (control_status & WD_PCI_R2DS) | WD_PCI_WTRP);
+		pr_debug("status was: 0x%02x\n", control_status);
+		pr_debug("sending: 0x%02x\n",
+			 (control_status & WD_PCI_R2DS) | WD_PCI_WTRP);
 	}
 
 	/* clear trip status & LED and keep mode of relay 2 */
@@ -394,8 +385,7 @@ static int pcipcwd_clear_status(void)
 	send_command(CMD_GET_CLEAR_RESET_COUNT, &msb, &reset_counter);
 
 	if (debug >= DEBUG) {
-		printk(KERN_DEBUG PFX "reset count was: 0x%02x\n",
-		       reset_counter);
+		pr_debug("reset count was: 0x%02x\n", reset_counter);
 	}
 
 	return 0;
@@ -418,8 +408,7 @@ static int pcipcwd_get_temperature(int *temperature)
 	*temperature = (*temperature * 9 / 5) + 32;
 
 	if (debug >= DEBUG) {
-		printk(KERN_DEBUG PFX "temperature is: %d F\n",
-		       *temperature);
+		pr_debug("temperature is: %d F\n", *temperature);
 	}
 
 	return 0;
@@ -437,8 +426,7 @@ static int pcipcwd_get_timeleft(int *time_left)
 	*time_left = (msb << 8) + lsb;
 
 	if (debug >= VERBOSE)
-		printk(KERN_DEBUG PFX "Time left before next reboot: %d\n",
-		       *time_left);
+		pr_debug("Time left before next reboot: %d\n", *time_left);
 
 	return 0;
 }
@@ -583,8 +571,7 @@ static int pcipcwd_open(struct inode *inode, struct file *file)
 	/* /dev/watchdog can only be opened once */
 	if (test_and_set_bit(0, &is_active)) {
 		if (debug >= VERBOSE)
-			printk(KERN_ERR PFX
-				"Attempt to open already opened device.\n");
+			pr_err("Attempt to open already opened device\n");
 		return -EBUSY;
 	}
 
@@ -602,8 +589,7 @@ static int pcipcwd_release(struct inode *inode, struct file *file)
 	if (expect_release == 42) {
 		pcipcwd_stop();
 	} else {
-		printk(KERN_CRIT PFX
-			"Unexpected close, not stopping watchdog!\n");
+		pr_crit("Unexpected close, not stopping watchdog!\n");
 		pcipcwd_keepalive();
 	}
 	expect_release = 0;
@@ -703,20 +689,20 @@ static int __devinit pcipcwd_card_init(struct pci_dev *pdev,
 
 	cards_found++;
 	if (cards_found == 1)
-		printk(KERN_INFO PFX DRIVER_VERSION);
+		pr_info("%s\n", DRIVER_VERSION);
 
 	if (cards_found > 1) {
-		printk(KERN_ERR PFX "This driver only supports 1 device\n");
+		pr_err("This driver only supports 1 device\n");
 		return -ENODEV;
 	}
 
 	if (pci_enable_device(pdev)) {
-		printk(KERN_ERR PFX "Not possible to enable PCI Device\n");
+		pr_err("Not possible to enable PCI Device\n");
 		return -ENODEV;
 	}
 
 	if (pci_resource_start(pdev, 0) == 0x0000) {
-		printk(KERN_ERR PFX "No I/O-Address for card detected\n");
+		pr_err("No I/O-Address for card detected\n");
 		ret = -ENODEV;
 		goto err_out_disable_device;
 	}
@@ -725,8 +711,8 @@ static int __devinit pcipcwd_card_init(struct pci_dev *pdev,
 	pcipcwd_private.io_addr = pci_resource_start(pdev, 0);
 
 	if (pci_request_regions(pdev, WATCHDOG_NAME)) {
-		printk(KERN_ERR PFX "I/O address 0x%04x already in use\n",
-			(int) pcipcwd_private.io_addr);
+		pr_err("I/O address 0x%04x already in use\n",
+		       (int) pcipcwd_private.io_addr);
 		ret = -EIO;
 		goto err_out_disable_device;
 	}
@@ -755,36 +741,33 @@ static int __devinit pcipcwd_card_init(struct pci_dev *pdev,
 	 * if not reset to the default */
 	if (pcipcwd_set_heartbeat(heartbeat)) {
 		pcipcwd_set_heartbeat(WATCHDOG_HEARTBEAT);
-		printk(KERN_INFO PFX
-			"heartbeat value must be 0<heartbeat<65536, using %d\n",
+		pr_info("heartbeat value must be 0<heartbeat<65536, using %d\n",
 			WATCHDOG_HEARTBEAT);
 	}
 
 	ret = register_reboot_notifier(&pcipcwd_notifier);
 	if (ret != 0) {
-		printk(KERN_ERR PFX
-			"cannot register reboot notifier (err=%d)\n", ret);
+		pr_err("cannot register reboot notifier (err=%d)\n", ret);
 		goto err_out_release_region;
 	}
 
 	if (pcipcwd_private.supports_temp) {
 		ret = misc_register(&pcipcwd_temp_miscdev);
 		if (ret != 0) {
-			printk(KERN_ERR PFX "cannot register miscdev on "
-				"minor=%d (err=%d)\n", TEMP_MINOR, ret);
+			pr_err("cannot register miscdev on minor=%d (err=%d)\n",
+			       TEMP_MINOR, ret);
 			goto err_out_unregister_reboot;
 		}
 	}
 
 	ret = misc_register(&pcipcwd_miscdev);
 	if (ret != 0) {
-		printk(KERN_ERR PFX
-			"cannot register miscdev on minor=%d (err=%d)\n",
-			WATCHDOG_MINOR, ret);
+		pr_err("cannot register miscdev on minor=%d (err=%d)\n",
+		       WATCHDOG_MINOR, ret);
 		goto err_out_misc_deregister;
 	}
 
-	printk(KERN_INFO PFX "initialized. heartbeat=%d sec (nowayout=%d)\n",
+	pr_info("initialized. heartbeat=%d sec (nowayout=%d)\n",
 		heartbeat, nowayout);
 
 	return 0;
@@ -842,7 +825,7 @@ static void __exit pcipcwd_cleanup_module(void)
 {
 	pci_unregister_driver(&pcipcwd_driver);
 
-	printk(KERN_INFO PFX "Watchdog Module Unloaded.\n");
+	pr_info("Watchdog Module Unloaded\n");
 }
 
 module_init(pcipcwd_init_module);