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authorLinus Torvalds <torvalds@linux-foundation.org>2009-09-22 07:51:45 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-09-22 07:51:45 -0700
commit342ff1a1b558ebbdb8cbd55ab6a63eca8b2473ca (patch)
tree1f967f283dade6e03897169bb29513354f49f910 /Documentation
parent50223e486cabdcf7e540e519da1f26bab3084e5d (diff)
parent24ed7a97464db44592495f98cff8bcee02f92bc2 (diff)
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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/ ...
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/DocBook/mtdnand.tmpl2
-rw-r--r--Documentation/DocBook/scsi.tmpl2
-rw-r--r--Documentation/SubmittingPatches2
-rw-r--r--Documentation/filesystems/nfsroot.txt2
-rw-r--r--Documentation/gcov.txt2
-rw-r--r--Documentation/hwmon/hpfall.c115
-rw-r--r--Documentation/hwmon/pc874272
-rw-r--r--Documentation/kernel-parameters.txt2
-rw-r--r--Documentation/networking/regulatory.txt2
-rw-r--r--Documentation/powerpc/dts-bindings/marvell.txt2
-rw-r--r--Documentation/scsi/ChangeLog.megaraid2
-rw-r--r--Documentation/scsi/scsi_fc_transport.txt2
-rw-r--r--Documentation/sound/alsa/HD-Audio-Models.txt2
-rw-r--r--Documentation/sysctl/kernel.txt30
-rw-r--r--Documentation/trace/events.txt2
-rw-r--r--Documentation/trace/ftrace.txt2
16 files changed, 111 insertions, 62 deletions
diff --git a/Documentation/DocBook/mtdnand.tmpl b/Documentation/DocBook/mtdnand.tmpl
index 8e14585..df0d089 100644
--- a/Documentation/DocBook/mtdnand.tmpl
+++ b/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>
diff --git a/Documentation/DocBook/scsi.tmpl b/Documentation/DocBook/scsi.tmpl
index 10a150a..d87f456 100644
--- a/Documentation/DocBook/scsi.tmpl
+++ b/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>
diff --git a/Documentation/SubmittingPatches b/Documentation/SubmittingPatches
index 5c555a8b..b7f9d3b 100644
--- a/Documentation/SubmittingPatches
+++ b/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
diff --git a/Documentation/filesystems/nfsroot.txt b/Documentation/filesystems/nfsroot.txt
index 68baddf..3ba0b94 100644
--- a/Documentation/filesystems/nfsroot.txt
+++ b/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.
diff --git a/Documentation/gcov.txt b/Documentation/gcov.txt
index 40ec633..e7ca647 100644
--- a/Documentation/gcov.txt
+++ b/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:
diff --git a/Documentation/hwmon/hpfall.c b/Documentation/hwmon/hpfall.c
index bbea1cc..681ec22 100644
--- a/Documentation/hwmon/hpfall.c
+++ b/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;
}
diff --git a/Documentation/hwmon/pc87427 b/Documentation/hwmon/pc87427
index d1ebbe5..db5cc12 100644
--- a/Documentation/hwmon/pc87427
+++ b/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).
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 0f17d16..c363840 100644
--- a/Documentation/kernel-parameters.txt
+++ b/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]
diff --git a/Documentation/networking/regulatory.txt b/Documentation/networking/regulatory.txt
index eaa1a25..ee31369 100644
--- a/Documentation/networking/regulatory.txt
+++ b/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" },
diff --git a/Documentation/powerpc/dts-bindings/marvell.txt b/Documentation/powerpc/dts-bindings/marvell.txt
index 3708a2f..f1533d9 100644
--- a/Documentation/powerpc/dts-bindings/marvell.txt
+++ b/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.
diff --git a/Documentation/scsi/ChangeLog.megaraid b/Documentation/scsi/ChangeLog.megaraid
index eaa4801..38e9e7c 100644
--- a/Documentation/scsi/ChangeLog.megaraid
+++ b/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.
diff --git a/Documentation/scsi/scsi_fc_transport.txt b/Documentation/scsi/scsi_fc_transport.txt
index d7f1817..aec6549 100644
--- a/Documentation/scsi/scsi_fc_transport.txt
+++ b/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.
diff --git a/Documentation/sound/alsa/HD-Audio-Models.txt b/Documentation/sound/alsa/HD-Audio-Models.txt
index 97eebd6..f1708b7 100644
--- a/Documentation/sound/alsa/HD-Audio-Models.txt
+++ b/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)
diff --git a/Documentation/sysctl/kernel.txt b/Documentation/sysctl/kernel.txt
index 2dbff53..3e5b63e 100644
--- a/Documentation/sysctl/kernel.txt
+++ b/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.
==============================================================
diff --git a/Documentation/trace/events.txt b/Documentation/trace/events.txt
index 78c45a8..02ac6ed 100644
--- a/Documentation/trace/events.txt
+++ b/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
diff --git a/Documentation/trace/ftrace.txt b/Documentation/trace/ftrace.txt
index 1b6292b..957b22f 100644
--- a/Documentation/trace/ftrace.txt
+++ b/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".