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Filename Latest commit message Latest commit date
Ulf Hansson 0026cef067 PM / wakeup: Print warn if device gets enabled as wakeup source during sleep
In general, wakeup settings are not supposed to be changed during any of
the system wide PM phases. The reason is simply that it would break
guarantees provided by the PM core, to properly act on active wakeup
sources.

However, there are exceptions to when, in particular, disabling a device as
wakeup source makes sense. For example, in cases when a driver realizes
that its device is dead during system suspend. For these scenarios, we
don't need to care about acting on the wakeup source correctly, because a
dead device shouldn't deliver wakeup signals.

To this reasoning and to help users to properly manage wakeup settings,
let's print a warning in cases someone calls device_wakeup_enable() during
system sleep.

Suggested-by: Rafael J. Wysocki <rafael@kernel.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
[ rjw: Message to be printed ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2018-01-11 18:50:54 +01:00
arch ARM: SoC fixes for 4.15-rc 2017-12-10 08:26:59 -08:00
block Merge branch 'for-linus' of git://git.kernel.dk/linux-block 2017-12-01 08:05:45 -05:00
certs
crypto X.509: fix comparisons of ->pkey_algo 2017-12-08 15:13:29 +00:00
Documentation PM / core: Direct DPM_FLAG_LEAVE_SUSPENDED handling 2018-01-03 00:30:00 +01:00
drivers PM / wakeup: Print warn if device gets enabled as wakeup source during sleep 2018-01-11 18:50:54 +01:00
firmware kbuild: remove all dummy assignments to obj- 2017-11-18 11:46:06 +09:00
fs hpfs: don't bother with the i_version counter or f_version 2017-12-10 12:58:18 -08:00
include PM / wakeup: Add device_set_wakeup_path() helper to control wakeup path 2018-01-09 13:09:17 +01:00
init
ipc Rename superblock flags (MS_xyz -> SB_xyz) 2017-11-27 13:05:09 -08:00
kernel futex: futex_wake_op, fix sign_extend32 sign bits 2017-12-10 12:50:57 -08:00
lib Keyrings fixes 2017-12-09 14:39:48 +11:00
mm kmemcheck: rip it out for real 2017-12-08 13:40:17 -08:00
net tcp: evaluate packet losses upon RTT change 2017-12-08 14:14:11 -05:00
samples Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf 2017-12-03 13:08:30 -05:00
scripts A handful of documentation fixes. The most significant of these addresses 2017-12-04 13:55:28 -08:00
security KEYS: reject NULL restriction string when type is specified 2017-12-08 15:13:29 +00:00
sound sound fixes for 4.15-rc3 2017-12-06 10:49:14 -08:00
tools kmemcheck: rip it out for real 2017-12-08 13:40:17 -08:00
usr
virt KVM: x86: fix APIC page invalidation 2017-12-06 16:10:34 +01:00
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore Kbuild misc updates for v4.15 2017-11-17 17:51:33 -08:00
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS ARM: SoC fixes for 4.15-rc 2017-12-10 08:26:59 -08:00
Makefile Linux 4.15-rc3 2017-12-10 17:56:26 -08:00
README

Linux kernel
============

This file was moved to Documentation/admin-guide/README.rst

Please notice that there are several guides for kernel developers and users.
These guides can be rendered in a number of formats, like HTML and PDF.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.