This macro is only used by the driver core and is held over from when we
had subsystems. It is not needed anymore.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
The kernel creates a process for every event that is send, even when
there is no binary it could execute. We are needlessly creating around
200-300 failing processes during early bootup, until we have the chance
to disable it from userspace.
This change allows us to disable /sbin/hotplug entirely, if you want to,
by setting UEVENT_HELPER_PATH="" in the kernel config.
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This changes the uevent buffer functions to use a struct instead of a
long list of parameters. It does no longer require the caller to do the
proper buffer termination and size accounting, which is currently wrong
in some places. It fixes a known bug where parts of the uevent
environment are overwritten because of wrong index calculations.
Many thanks to Mathieu Desnoyers for finding bugs and improving the
error handling.
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Cc: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Attributes do not have an owner(module) anymore, so there is no need
to carry the attributes in every single bus instance.
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Acked-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Here is another sync patch of Documentation/ja_JP/HOWTO
Japanese developer sent me some cosmetic changes and also follow
changes of HOWTO
Cross reference URL (sosdg.org/qiyong/lxr)
known_regression explanations on kernel dev. process
Signed-off-by: Tsugikazu Shibata <tshibata@ab.jp.nec.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Prefix platform modalias strings with "platform:", which
modprobe config to blacklist alias resolving if userspace
configures it.
Send uevents for all platform devices.
Add MODULE_ALIAS's to: pxa2xx_pcmcia, ds1742 and pcspkr to trigger
module autoloading by userspace.
$ modinfo pcspkr
alias: platform:pcspkr
license: GPL
description: PC Speaker beeper driver
...
$ modprobe -n -v platform:pcspkr
insmod /lib/modules/2.6.23-rc3-g28e8351a-dirty/kernel/drivers/input/misc/pcspkr.ko
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Cc: David Brownell <david-b@pacbell.net>
Cc: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* palinfo.c:
palinfo_cpu_notifier is a CPU hotplug notifier_block, and can be
marked __cpuinitdata, and the callback function palinfo_cpu_callback()
itself can be marked __cpuinit. create_palinfo_proc_entries() is only
called from __cpuinit callback or general __init code, therefore a
candidate for __cpuinit itself. remove_palinfo_proc_entries() is only
called from __cpuinit callback or general __exit code, therefore a
candidate for __cpuexit.
* salinfo.c:
The CPU hotplug notifier_block can be __cpuinitdata. The callback
salinfo_cpu_callback() is incorrectly marked __devinit -- it must
be __cpuinit instead.
* topology.c:
cache_sysfs_init() is only called at device_initcall() time so marking
it as __cpuinit is wrong and wasteful. It should be unconditionally
__init. Also cleanup reference to hotplug notifier callback function
from this function and replace with cache_add_dev(), which could also
enable us to use other tricks to replace __cpuinit{data} annotations,
as recently discussed on this list.
cache_shared_cpu_map_setup() is only ever called from __cpuinit-marked
functions hence both its definitions (SMP or !SMP) are candidates for
__cpuinit itself. Also all_cpu_cache_info can be __cpuinitdata because
only referenced from __cpuinit code.
Signed-off-by: Satyam Sharma <satyam@infradead.org>
Cc: "Luck, Tony" <tony.luck@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Force detect and/or enable HPET on ICH chipsets. This patch just handles the
detection part and following patches use this information. Adds a function to
repeat the force enabling during resume time.
Using HPET this way, instead of PIT increases the time CPUs can reside in
C-state when system is totally idle. On my test system with Core 2 Duo,
average C-state residency goes up from ~20mS to ~80mS.
[ Build fixed from Andrew Morton ]
Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Cc: Andi Kleen <ak@suse.de>
Cc: john stultz <johnstul@us.ibm.com>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Remove hpet_readl/writel from vsyscall.h, where it does not belong
anyway. Use the hpet code itself.
Signed-off-by: Chris Wright <chrisw@sous-sol.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Combine the timex.h variants and move the TSC related code into tsc.h.
Move the set_cyc2ns_scale() call into the tsc calibraction code, where
it belongs.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Useless header file with 32 bit and 64 bit variants. Move the
single useful line to the place where it is used.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
AMDs C1E enabled CPUs stop the local apic timer, when both cores are
idle. This is a hardware feature which breaks highres/dynticks.
Add the same quirk as we have for 32 bit already.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
The clock events merge introduced a change to the nmi watchdog code to
handle the not longer increasing local apic timer count in the
broadcast mode. This is fine for UP, but on SMP it pampers over a
stuck CPU which is not handling the broadcast interrupt due to the
unconditional sum up of local apic timer count and irq0 count.
To cover all cases we need to keep track on which CPU irq0 is
handled. In theory this is CPU#0 due to the explicit disabling of irq
balancing for irq0, but there are systems which ignore this on the
hardware level. The per cpu irq0 accounting allows us to remove the
irq0 to CPU0 binding as well.
Add a per cpu counter for irq0 and evaluate this instead of the global
irq0 count in the nmi watchdog code.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
