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Filename Latest commit message Latest commit date
Furquan Shaikh 8942b2d509 gsmi: Add GSMI commands to log S0ix info
Add new GSMI commands (GSMI_CMD_LOG_S0IX_SUSPEND = 0xa,
GSMI_CMD_LOG_S0IX_RESUME = 0xb) that allow firmware to log any
information during S0ix suspend/resume paths.

Traditional ACPI suspend S3 involves BIOS both during the suspend and
the resume paths. However, modern suspend type like S0ix does not
involve firmware on either of the paths. This command gives the
firmware an opportunity to log any required information about the
suspend and resume operations e.g. wake sources.

Additionally, this change adds a module parameter to allow platforms
to specifically enable S0ix logging if required. This prevents any
other platforms from unnecessarily making a GSMI call which could have
any side-effects.

Tested by verifying that wake sources are correctly logged in eventlog.

Signed-off-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Rajat Jain <rajatja@chromium.org>
Signed-off-by: Furquan Shaikh <furquan@google.com>
Tested-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
[zwisler: update changelog for upstream]
Signed-off-by: Ross Zwisler <zwisler@google.com>
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-10-15 20:32:26 +02:00
arch powerpc fixes for 4.19 #4 2018-10-07 07:05:43 +02:00
block
certs
crypto
Documentation stm class: SPDX-ify the documentation 2018-10-11 12:12:55 +02:00
drivers gsmi: Add GSMI commands to log S0ix info 2018-10-15 20:32:26 +02:00
firmware
fs ocfs2: fix locking for res->tracking and dlm->tracking_list 2018-10-05 16:32:05 -07:00
include lib: Add memcat_p(): paste 2 pointer arrays together 2018-10-11 12:12:55 +02:00
init
ipc ipc/shm.c: use ERR_CAST() for shm_lock() error return 2018-10-05 16:32:04 -07:00
kernel Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-10-06 02:11:30 -07:00
lib lib: Add memcat_p(): paste 2 pointer arrays together 2018-10-11 12:12:55 +02:00
LICENSES
mm Merge branch 'akpm' 2018-10-05 16:33:03 -07:00
net
samples
scripts
security
sound
tools Char/Misc fixes for 4.19-rc7 2018-10-07 08:15:57 +02:00
usr
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS MAINTAINERS: Add me to Android drivers 2018-10-15 20:26:50 +02:00
Makefile Linux 4.19-rc7 2018-10-07 17:26:02 +02:00
README

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

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

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.