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Mario Limonciello 6cecf02e77 Revert "e1000e: disable s0ix entry and exit flows for ME systems" 
commit e086ba2fcc ("e1000e: disable s0ix entry and exit flows for ME
systems") disabled s0ix flows for systems that have various incarnations of
the i219-LM ethernet controller.  This changed caused power consumption
regressions on the following shipping Dell Comet Lake based laptops:
* Latitude 5310
* Latitude 5410
* Latitude 5410
* Latitude 5510
* Precision 3550
* Latitude 5411
* Latitude 5511
* Precision 3551
* Precision 7550
* Precision 7750

This commit was introduced because of some regressions on certain Thinkpad
laptops.  This comment was potentially caused by an earlier
commit 632fbd5eb5 ("e1000e: fix S0ix flows for cable connected case").
or it was possibly caused by a system not meeting platform architectural
requirements for low power consumption.  Other changes made in the driver
with extended timeouts are expected to make the driver more impervious to
platform firmware behavior.

Fixes: e086ba2fcc ("e1000e: disable s0ix entry and exit flows for ME systems")
Reviewed-by: Alexander Duyck <alexander.duyck@gmail.com>
Signed-off-by: Mario Limonciello <mario.limonciello@dell.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Tested-by: Yijun Shen <Yijun.shen@dell.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2020-12-23 15:18:33 -08:00
arch OpenRISC updates for 5.11 2020-12-17 13:41:27 -08:00
block SCSI misc on 20201216 2020-12-16 13:34:31 -08:00
certs .gitignore: add SPDX License Identifier 2020-03-25 11:50:48 +01:00
crypto crypto: aegis128 - avoid spurious references crypto_aegis128_update_simd 2020-12-04 18:16:53 +11:00
Documentation docs: netdev-FAQ: fix question headers formatting 2020-12-22 19:28:24 -08:00
drivers Revert "e1000e: disable s0ix entry and exit flows for ME systems" 2020-12-23 15:18:33 -08:00
fs Tracing updates for 5.11 2020-12-17 13:22:17 -08:00
include ppp: Fix PPPIOCUNBRIDGECHAN request number 2020-12-21 17:36:48 -08:00
init for-5.11/block-2020-12-14 2020-12-16 12:57:51 -08:00
ipc Merge branch 'akpm' (patches from Andrew) 2020-12-15 12:53:37 -08:00
kernel Tracing updates for 5.11 2020-12-17 13:22:17 -08:00
lib for-5.11/block-2020-12-14 2020-12-16 12:57:51 -08:00
LICENSES LICENSES: Add the CC-BY-4.0 license 2020-12-08 10:33:27 -07:00
mm memblock: debug enhancements 2020-12-16 14:44:53 -08:00
net net/ncsi: Use real net-device for response handler 2020-12-23 12:22:23 -08:00
samples ARM: SoC drivers for v5.11 2020-12-16 16:38:41 -08:00
scripts gcc-plugins updates for v5.11-rc1 2020-12-16 11:17:27 -08:00
security overlayfs update for 5.11 2020-12-17 11:42:48 -08:00
sound powerpc updates for 5.11 2020-12-17 13:34:25 -08:00
tools Networking fixes for 5.11-rc1. 2020-12-17 13:45:24 -08:00
usr Merge branch 'work.fdpic' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2020-08-07 13:29:39 -07:00
virt kvm: x86/mmu: Support dirty logging for the TDP MMU 2020-10-23 03:42:13 -04:00
.clang-format RDMA 5.10 pull request 2020-10-17 11:18:18 -07:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.get_maintainer.ignore Opt out of scripts/get_maintainer.pl 2019-05-16 10:53:40 -07:00
.gitattributes .gitattributes: use 'dts' diff driver for dts files 2019-12-04 19:44:11 -08:00
.gitignore .gitignore: docs: ignore sphinx_*/ directories 2020-09-10 10:44:31 -06:00
.mailmap RDMA 5.11 pull request 2020-12-16 13:42:26 -08:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-12-11 22:29:38 -08:00
Kbuild kbuild: rename hostprogs-y/always to hostprogs/always-y 2020-02-04 01:53:07 +09:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS wireless-drivers fixes for v5.11 2020-12-22 19:43:33 -08:00
Makefile Linux 5.10 2020-12-13 14:41:30 -08:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -06:00

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.

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.