Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel…

…/git/jikos/trivial

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (34 commits)
  trivial: fix typo in aic7xxx comment
  trivial: fix comment typo in drivers/ata/pata_hpt37x.c
  trivial: typo in kernel-parameters.txt
  trivial: fix typo in tracing documentation
  trivial: add __init/__exit macros in drivers/gpio/bt8xxgpio.c
  trivial: add __init macro/ fix of __exit macro location in ipmi_poweroff.c
  trivial: remove unnecessary semicolons
  trivial: Fix duplicated word "options" in comment
  trivial: kbuild: remove extraneous blank line after declaration of usage()
  trivial: improve help text for mm debug config options
  trivial: doc: hpfall: accept disk device to unload as argument
  trivial: doc: hpfall: reduce risk that hpfall can do harm
  trivial: SubmittingPatches: Fix reference to renumbered step
  trivial: fix typos "man[ae]g?ment" -> "management"
  trivial: media/video/cx88: add __init/__exit macros to cx88 drivers
  trivial: fix typo in CONFIG_DEBUG_FS in gcov doc
  trivial: fix missing printk space in amd_k7_smp_check
  trivial: fix typo s/ketymap/keymap/ in comment
  trivial: fix typo "to to" in multiple files
  trivial: fix typos in comments s/DGBU/DBGU/
  ...

Documentation/DocBook/mtdnand.tmpl

@@ -568,7 +568,7 @@ static void board_select_chip (struct mtd_info *mtd, int chip)
 			<para>
 				The blocks in which the tables are stored are procteted against
 				accidental access by marking them bad in the memory bad block
-				table. The bad block table managment functions are allowed
+				table. The bad block table management functions are allowed
 				to circumvernt this protection.
 			</para>
 			<para>

Documentation/DocBook/scsi.tmpl

@@ -317,7 +317,7 @@
         <para>
           The SAS transport class contains common code to deal with SAS HBAs,
           an aproximated representation of SAS topologies in the driver model,
-          and various sysfs attributes to expose these topologies and managment
+          and various sysfs attributes to expose these topologies and management
           interfaces to userspace.
         </para>
         <para>

Documentation/SubmittingPatches

@@ -183,7 +183,7 @@ the MAN-PAGES maintainer (as listed in the MAINTAINERS file)
 a man-pages patch, or at least a notification of the change,
 so that some information makes its way into the manual pages.
 
-Even if the maintainer did not respond in step #4, make sure to ALWAYS
+Even if the maintainer did not respond in step #5, make sure to ALWAYS
 copy the maintainer when you change their code.
 
 For small patches you may want to CC the Trivial Patch Monkey

Documentation/filesystems/nfsroot.txt

@@ -105,7 +105,7 @@ ip=<client-ip>:<server-ip>:<gw-ip>:<netmask>:<hostname>:<device>:<autoconf>
 		the client address and this parameter is NOT empty only
 		replies from the specified server are accepted.
 
-		Only required for for NFS root. That is autoconfiguration
+		Only required for NFS root. That is autoconfiguration
 		will not be triggered if it is missing and NFS root is not
 		in operation.
 

Documentation/gcov.txt

@@ -47,7 +47,7 @@ Possible uses:
 
 Configure the kernel with:
 
-        CONFIG_DEBUGFS=y
+        CONFIG_DEBUG_FS=y
         CONFIG_GCOV_KERNEL=y
 
 and to get coverage data for the entire kernel:

Documentation/hwmon/hpfall.c

@@ -16,6 +16,34 @@
 #include <stdint.h>
 #include <errno.h>
 #include <signal.h>
+#include <sys/mman.h>
+#include <sched.h>
+
+char unload_heads_path[64];
+
+int set_unload_heads_path(char *device)
+{
+	char devname[64];
+
+	if (strlen(device) <= 5 || strncmp(device, "/dev/", 5) != 0)
+		return -EINVAL;
+	strncpy(devname, device + 5, sizeof(devname));
+
+	snprintf(unload_heads_path, sizeof(unload_heads_path),
+				"/sys/block/%s/device/unload_heads", devname);
+	return 0;
+}
+int valid_disk(void)
+{
+	int fd = open(unload_heads_path, O_RDONLY);
+	if (fd < 0) {
+		perror(unload_heads_path);
+		return 0;
+	}
+
+	close(fd);
+	return 1;
+}
 
 void write_int(char *path, int i)
 {
@@ -40,7 +68,7 @@ void set_led(int on)
 
 void protect(int seconds)
 {
-	write_int("/sys/block/sda/device/unload_heads", seconds*1000);
+	write_int(unload_heads_path, seconds*1000);
 }
 
 int on_ac(void)
@@ -57,45 +85,62 @@ void ignore_me(void)
 {
 	protect(0);
 	set_led(0);
-
 }
 
-int main(int argc, char* argv[])
+int main(int argc, char **argv)
 {
-       int fd, ret;
+	int fd, ret;
+	struct sched_param param;
+
+	if (argc == 1)
+		ret = set_unload_heads_path("/dev/sda");
+	else if (argc == 2)
+		ret = set_unload_heads_path(argv[1]);
+	else
+		ret = -EINVAL;
+
+	if (ret || !valid_disk()) {
+		fprintf(stderr, "usage: %s <device> (default: /dev/sda)\n",
+				argv[0]);
+		exit(1);
+	}
+
+	fd = open("/dev/freefall", O_RDONLY);
+	if (fd < 0) {
+		perror("/dev/freefall");
+		return EXIT_FAILURE;
+	}
 
-       fd = open("/dev/freefall", O_RDONLY);
-       if (fd < 0) {
-               perror("open");
-               return EXIT_FAILURE;
-       }
+	daemon(0, 0);
+	param.sched_priority = sched_get_priority_max(SCHED_FIFO);
+	sched_setscheduler(0, SCHED_FIFO, &param);
+	mlockall(MCL_CURRENT|MCL_FUTURE);
 
 	signal(SIGALRM, ignore_me);
 
-       for (;;) {
-	       unsigned char count;
-
-               ret = read(fd, &count, sizeof(count));
-	       alarm(0);
-	       if ((ret == -1) && (errno == EINTR)) {
-		       /* Alarm expired, time to unpark the heads */
-		       continue;
-	       }
-
-               if (ret != sizeof(count)) {
-                       perror("read");
-                       break;
-               }
-
-	       protect(21);
-	       set_led(1);
-	       if (1 || on_ac() || lid_open()) {
-		       alarm(2);
-	       } else {
-		       alarm(20);
-	       }
-       }
-
-       close(fd);
-       return EXIT_SUCCESS;
+	for (;;) {
+		unsigned char count;
+
+		ret = read(fd, &count, sizeof(count));
+		alarm(0);
+		if ((ret == -1) && (errno == EINTR)) {
+			/* Alarm expired, time to unpark the heads */
+			continue;
+		}
+
+		if (ret != sizeof(count)) {
+			perror("read");
+			break;
+		}
+
+		protect(21);
+		set_led(1);
+		if (1 || on_ac() || lid_open())
+			alarm(2);
+		else
+			alarm(20);
+	}
+
+	close(fd);
+	return EXIT_SUCCESS;
 }

Documentation/hwmon/pc87427

@@ -34,5 +34,5 @@ Fan rotation speeds are reported as 14-bit values from a gated clock
 signal. Speeds down to 83 RPM can be measured.
 
 An alarm is triggered if the rotation speed drops below a programmable
-limit. Another alarm is triggered if the speed is too low to to be measured
+limit. Another alarm is triggered if the speed is too low to be measured
 (including stalled or missing fan).

Documentation/kernel-parameters.txt

@@ -933,7 +933,7 @@ and is between 256 and 4096 characters. It is defined in the file
 			1 -- enable informational integrity auditing messages.
 
 	ima_hash=	[IMA]
-			Formt: { "sha1" | "md5" }
+			Format: { "sha1" | "md5" }
 			default: "sha1"
 
 	ima_tcb		[IMA]

Documentation/networking/regulatory.txt

@@ -96,7 +96,7 @@ Example code - drivers hinting an alpha2:
 
 This example comes from the zd1211rw device driver. You can start
 by having a mapping of your device's EEPROM country/regulatory
-domain value to to a specific alpha2 as follows:
+domain value to a specific alpha2 as follows:
 
 static struct zd_reg_alpha2_map reg_alpha2_map[] = {
 	{ ZD_REGDOMAIN_FCC, "US" },

Documentation/powerpc/dts-bindings/marvell.txt

@@ -32,7 +32,7 @@ prefixed with the string "marvell,", for Marvell Technology Group Ltd.
       devices.  This field represents the number of cells needed to
       represent the address of the memory-mapped registers of devices
       within the system controller chip.
-    - #size-cells : Size representation for for the memory-mapped
+    - #size-cells : Size representation for the memory-mapped
       registers within the system controller chip.
     - #interrupt-cells : Defines the width of cells used to represent
       interrupts.

Documentation/scsi/ChangeLog.megaraid

@@ -514,7 +514,7 @@ iv.	Remove yield() while mailbox handshake in synchronous commands
 
 v.	Remove redundant __megaraid_busywait_mbox routine
 
-vi.	Fix bug in the managment module, which causes a system lockup when the
+vi.	Fix bug in the management module, which causes a system lockup when the
 	IO module is loaded and then unloaded, followed by executing any
 	management utility. The current version of management module does not
 	handle the adapter unregister properly.

Documentation/scsi/scsi_fc_transport.txt

@@ -378,7 +378,7 @@ Vport Disable/Enable:
       int vport_disable(struct fc_vport *vport, bool disable)
 
     where:
-      vport:    Is vport to to be enabled or disabled
+      vport:    Is vport to be enabled or disabled
       disable:  If "true", the vport is to be disabled.
                 If "false", the vport is to be enabled.
 

Documentation/sound/alsa/HD-Audio-Models.txt

@@ -387,7 +387,7 @@ STAC92HD73*
 STAC92HD83*
 ===========
   ref		Reference board
-  mic-ref	Reference board with power managment for ports
+  mic-ref	Reference board with power management for ports
   dell-s14	Dell laptop
   auto		BIOS setup (default)
 

Documentation/sysctl/kernel.txt

@@ -319,25 +319,29 @@ This option can be used to select the type of process address
 space randomization that is used in the system, for architectures
 that support this feature.
 
-0 - Turn the process address space randomization off by default.
+0 - Turn the process address space randomization off.  This is the
+    default for architectures that do not support this feature anyways,
+    and kernels that are booted with the "norandmaps" parameter.
 
 1 - Make the addresses of mmap base, stack and VDSO page randomized.
     This, among other things, implies that shared libraries will be
-    loaded to random addresses. Also for PIE-linked binaries, the location
-    of code start is randomized.
+    loaded to random addresses.  Also for PIE-linked binaries, the
+    location of code start is randomized.  This is the default if the
+    CONFIG_COMPAT_BRK option is enabled.
 
-    With heap randomization, the situation is a little bit more
-    complicated.
-    There a few legacy applications out there (such as some ancient
+2 - Additionally enable heap randomization.  This is the default if
+    CONFIG_COMPAT_BRK is disabled.
+
+    There are a few legacy applications out there (such as some ancient
     versions of libc.so.5 from 1996) that assume that brk area starts
-    just after the end of the code+bss. These applications break when
-    start of the brk area is randomized. There are however no known
+    just after the end of the code+bss.  These applications break when
+    start of the brk area is randomized.  There are however no known
     non-legacy applications that would be broken this way, so for most
-    systems it is safe to choose full randomization. However there is
-    a CONFIG_COMPAT_BRK option for systems with ancient and/or broken
-    binaries, that makes heap non-randomized, but keeps all other
-    parts of process address space randomized if randomize_va_space
-    sysctl is turned on.
+    systems it is safe to choose full randomization.
+
+    Systems with ancient and/or broken binaries should be configured
+    with CONFIG_COMPAT_BRK enabled, which excludes the heap from process
+    address space randomization.
 
 ==============================================================
 

Documentation/trace/events.txt

@@ -72,7 +72,7 @@ To enable all events in sched subsystem:
 
 	# echo 1 > /sys/kernel/debug/tracing/events/sched/enable
 
-To eanble all events:
+To enable all events:
 
 	# echo 1 > /sys/kernel/debug/tracing/events/enable
 

Documentation/trace/ftrace.txt

@@ -133,7 +133,7 @@ of ftrace. Here is a list of some of the key files:
 	than requested, the rest of the page will be used,
 	making the actual allocation bigger than requested.
 	( Note, the size may not be a multiple of the page size
-	  due to buffer managment overhead. )
+	  due to buffer management overhead. )
 
 	This can only be updated when the current_tracer
 	is set to "nop".

MAINTAINERS

@@ -2958,7 +2958,7 @@ F:	scripts/Makefile.*
 KERNEL JANITORS
 L:	[email protected]
 W:	http://www.kerneljanitors.org/
-S:	Odd fixes
+S:	Maintained
 
 KERNEL NFSD, SUNRPC, AND LOCKD SERVERS
 M:	"J. Bruce Fields" <[email protected]>

arch/arm/Makefile

@@ -25,7 +25,7 @@ KBUILD_CFLAGS	+=$(call cc-option,-marm,)
 # Select a platform tht is kept up-to-date
 KBUILD_DEFCONFIG := versatile_defconfig
 
-# defines filename extension depending memory manement type.
+# defines filename extension depending memory management type.
 ifeq ($(CONFIG_MMU),)
 MMUEXT		:= -nommu
 endif

arch/arm/mach-at91/board-afeb-9260v1.c

@@ -53,7 +53,7 @@ static void __init afeb9260_map_io(void)
 	/* Initialize processor: 18.432 MHz crystal */
 	at91sam9260_initialize(18432000);
 
-	/* DGBU on ttyS0. (Rx & Tx only) */
+	/* DBGU on ttyS0. (Rx & Tx only) */
 	at91_register_uart(0, 0, 0);
 
 	/* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */

arch/arm/mach-at91/board-cam60.c

@@ -50,7 +50,7 @@ static void __init cam60_map_io(void)
 	/* Initialize processor: 10 MHz crystal */
 	at91sam9260_initialize(10000000);
 
-	/* DGBU on ttyS0. (Rx & Tx only) */
+	/* DBGU on ttyS0. (Rx & Tx only) */
 	at91_register_uart(0, 0, 0);
 
 	/* set serial console to ttyS0 (ie, DBGU) */

arch/arm/mach-at91/board-neocore926.c

@@ -56,7 +56,7 @@ static void __init neocore926_map_io(void)
 	/* Initialize processor: 20 MHz crystal */
 	at91sam9263_initialize(20000000);
 
-	/* DGBU on ttyS0. (Rx & Tx only) */
+	/* DBGU on ttyS0. (Rx & Tx only) */
 	at91_register_uart(0, 0, 0);
 
 	/* USART0 on ttyS1. (Rx, Tx, RTS, CTS) */

arch/arm/mach-at91/board-qil-a9260.c

@@ -53,7 +53,7 @@ static void __init ek_map_io(void)
 	/* Initialize processor: 12.000 MHz crystal */
 	at91sam9260_initialize(12000000);
 
-	/* DGBU on ttyS0. (Rx & Tx only) */
+	/* DBGU on ttyS0. (Rx & Tx only) */
 	at91_register_uart(0, 0, 0);
 
 	/* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */

arch/arm/mach-at91/board-sam9260ek.c

@@ -54,7 +54,7 @@ static void __init ek_map_io(void)
 	/* Initialize processor: 18.432 MHz crystal */
 	at91sam9260_initialize(18432000);
 
-	/* DGBU on ttyS0. (Rx & Tx only) */
+	/* DBGU on ttyS0. (Rx & Tx only) */
 	at91_register_uart(0, 0, 0);
 
 	/* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */

arch/arm/mach-at91/board-sam9261ek.c

@@ -61,7 +61,7 @@ static void __init ek_map_io(void)
 	/* Setup the LEDs */
 	at91_init_leds(AT91_PIN_PA13, AT91_PIN_PA14);
 
-	/* DGBU on ttyS0. (Rx & Tx only) */
+	/* DBGU on ttyS0. (Rx & Tx only) */
 	at91_register_uart(0, 0, 0);
 
 	/* set serial console to ttyS0 (ie, DBGU) */

arch/arm/mach-at91/board-sam9263ek.c

@@ -57,7 +57,7 @@ static void __init ek_map_io(void)
 	/* Initialize processor: 16.367 MHz crystal */
 	at91sam9263_initialize(16367660);
 
-	/* DGBU on ttyS0. (Rx & Tx only) */
+	/* DBGU on ttyS0. (Rx & Tx only) */
 	at91_register_uart(0, 0, 0);
 
 	/* USART0 on ttyS1. (Rx, Tx, RTS, CTS) */

arch/arm/mach-at91/board-sam9g20ek.c

@@ -50,7 +50,7 @@ static void __init ek_map_io(void)
 	/* Initialize processor: 18.432 MHz crystal */
 	at91sam9260_initialize(18432000);
 
-	/* DGBU on ttyS0. (Rx & Tx only) */
+	/* DBGU on ttyS0. (Rx & Tx only) */
 	at91_register_uart(0, 0, 0);
 
 	/* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */