Age | Commit message (Collapse) | Author | Files | Lines |
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Signed-off-by: Mike Rapoport <[email protected]>
Signed-off-by: Jonathan Corbet <[email protected]>
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Andrea Parri dice:
This series provides the script 'features-refresh.sh', which operates on
the arch support status files, and it applies this script to refresh the
status files in place; previous discussions about this series are at [1].
[1] http://lkml.kernel.org/r/1523205027-31786-1-git-send-email-andrea.parri@amarulasolutions.com
http://lkml.kernel.org/r/1522774551-9503-1-git-send-email-andrea.parri@amarulasolutions.com
http://lkml.kernel.org/r/20180328122211.GA25420@andrea
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Suggested-by: Ingo Molnar <[email protected]>
Signed-off-by: Andrea Parri <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Jonathan Corbet <[email protected]>
Cc: Andrew Morton <[email protected]>
Signed-off-by: Jonathan Corbet <[email protected]>
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Suggested-by: Ingo Molnar <[email protected]>
Signed-off-by: Andrea Parri <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Jonathan Corbet <[email protected]>
Cc: Andrew Morton <[email protected]>
Signed-off-by: Jonathan Corbet <[email protected]>
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'rwsem-optimized'
Uses '!RWSEM_GENERIC_SPINLOCK' in place of 'Optimized asm/rwsem.h' as
Kconfig for 'rwsem-optimized': the new Kconfig expresses this feature
equivalently, while also enabling the script 'features-refresh.sh' to
operate on the corresponding arch support status file. Also refreshes
the status matrix by using the script 'features-refresh.sh'.
Suggested-by: Ingo Molnar <[email protected]>
Signed-off-by: Andrea Parri <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Jonathan Corbet <[email protected]>
Cc: Andrew Morton <[email protected]>
Signed-off-by: Jonathan Corbet <[email protected]>
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and 'eBPF-JIT'
Commit 6077776b5908e split 'HAVE_BPF_JIT' into cBPF and eBPF variant.
Adds arch support status files for the new variants, and removes the
status file corresponding to 'HAVE_BPT_JIT'. The new status matrices
were auto-generated using the script 'features-refresh.sh'.
Signed-off-by: Andrea Parri <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Jonathan Corbet <[email protected]>
Cc: Andrew Morton <[email protected]>
Signed-off-by: Jonathan Corbet <[email protected]>
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Now that the script 'features-refresh.sh' is available, uses this script
to refresh all the arch-support.txt files in place.
Signed-off-by: Andrea Parri <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Jonathan Corbet <[email protected]>
Cc: Andrew Morton <[email protected]>
Signed-off-by: Jonathan Corbet <[email protected]>
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files in place
Provides the script:
Documentation/features/scripts/features-refresh.sh
which operates on the arch-support.txt files and refreshes them in place.
This way [1],
"[...] we soft- decouple the refreshing of the entries from the
introduction of the features, while still making it all easy to
keep sync and to extend."
[1] http://lkml.kernel.org/r/20180328122211.GA25420@andrea
Suggested-by: Ingo Molnar <[email protected]>
Signed-off-by: Andrea Parri <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Jonathan Corbet <[email protected]>
Cc: Andrew Morton <[email protected]>
Signed-off-by: Jonathan Corbet <[email protected]>
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Make the description of the kernel command line option "blkdevparts"
a bit more flowing and readable.
Fix a few typos.
Add the optional <size> and <offset> suffixes.
Note that size can be "-" to indicate all of the remaining space.
Signed-off-by: Randy Dunlap <[email protected]>
Cc: Cai Zhiyong <[email protected]>
Signed-off-by: Jonathan Corbet <[email protected]>
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Update vfio_add_group_dev description to match the current API.
Signed-off-by: Dong Bo <[email protected]>
Reviewed-by: Cornelia Huck <[email protected]>
Signed-off-by: Jonathan Corbet <[email protected]>
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This came up in discussions when reviewing drm patches.
Reviewed-by: Eric Anholt <[email protected]>
Signed-off-by: Daniel Vetter <[email protected]>
Signed-off-by: Jonathan Corbet <[email protected]>
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Signed-off-by: Mike Rapoport <[email protected]>
Signed-off-by: Jonathan Corbet <[email protected]>
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Remove implementation details from sysfs parameter descriptions.
Also move the paragraph discussing fragmentation issues and their possible
solution to the "Design" section.
Signed-off-by: Mike Rapoport <[email protected]>
Signed-off-by: Jonathan Corbet <[email protected]>
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Make the description of stable_node_chains_prune_millisecs sysfs parameter
less implementation aware and add a few words about this parameter in the
"Design" section.
Signed-off-by: Mike Rapoport <[email protected]>
Signed-off-by: Jonathan Corbet <[email protected]>
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The description of "max_page_sharing" sysfs attribute includes lots of
implementation details that more naturally belong in the "Design"
section.
Signed-off-by: Mike Rapoport <[email protected]>
Signed-off-by: Jonathan Corbet <[email protected]>
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Include the KSM description from the source code comment, add a subsection
about reverse mapping and include kernel-doc references for KSM data
structures.
Signed-off-by: Mike Rapoport <[email protected]>
Signed-off-by: Jonathan Corbet <[email protected]>
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Aside from the formatting:
* fixed typos
* added section and sub-section headers
* moved ksmd overview after the description of KSM origins
Signed-off-by: Mike Rapoport <[email protected]>
Signed-off-by: Jonathan Corbet <[email protected]>
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The existing comment provides a good overview of KSM implementation. Let's
update it to reflect recent additions of "chain" and "dup" variants of the
stable tree nodes and mark it as "DOC:" for inclusion into the KSM
documentation.
Signed-off-by: Mike Rapoport <[email protected]>
Signed-off-by: Jonathan Corbet <[email protected]>
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Using incorrect :functions: syntax (extra space) causes an odd kernel-doc
warning, so fix that.
Documentation/driver-api/device_connection.rst:42: ERROR: Error in "kernel-doc" directive:
Signed-off-by: Randy Dunlap <[email protected]>
Reviewed-by: Heikki Krogerus <[email protected]>
Signed-off-by: Jonathan Corbet <[email protected]>
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Rearrange some kernel-api chapters and sections to group them
together better.
- move Bit Operations from Basic C Library Functions to Basic
Kernel Library Functions (now adjacent to Bitmap Operations since
they are not typical C library functions)
- move Sorting from Math Functions to Basic Kernel Library Functions
since sort functions are more Basic than Math Functions
- move Text Searching from Math Functions to Basic Kernel Library
Functions (keep Sorting and Searching close to each other)
- combine CRC and Math functions together into the (newly named)
CRC and Math Functions chapter
Signed-off-by: Randy Dunlap <[email protected]>
Acked-by: Matthew Wilcox <[email protected]>
Signed-off-by: Jonathan Corbet <[email protected]>
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Merge -rc2 to pick up the changes to
Documentation/core-api/kernel-api.rst that hit mainline via the
networking tree. In their absence, subsequent patches cannot be
applied.
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Signed-off-by: Mike Rapoport <[email protected]>
Signed-off-by: Jonathan Corbet <[email protected]>
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Several documents in Documentation/vm fit quite well into the "admin/user
guide" category. The documents that don't overload the reader with lots of
implementation details and provide coherent description of certain feature
can be moved to Documentation/admin-guide/mm.
Signed-off-by: Mike Rapoport <[email protected]>
Signed-off-by: Jonathan Corbet <[email protected]>
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Signed-off-by: Mike Rapoport <[email protected]>
Signed-off-by: Jonathan Corbet <[email protected]>
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"pagemap from the Userspace Perspective" is not very descriptive for
unaware readers. Since the document describes how to examine a process page
tables, let's title it "Examining Process Page Tables"
Signed-off-by: Mike Rapoport <[email protected]>
Signed-off-by: Jonathan Corbet <[email protected]>
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Signed-off-by: Mike Rapoport <[email protected]>
Signed-off-by: Jonathan Corbet <[email protected]>
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The hugetlbpage describes hugetlbfs from the user perspective and newer
hugetlbfs_reserv document targets kernel developers. Hence the section
about hugetlbfs kernel development naturally belongs there.
Signed-off-by: Mike Rapoport <[email protected]>
Signed-off-by: Jonathan Corbet <[email protected]>
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* fixed mistypes
* added internal cross-references for sections
Signed-off-by: Mike Rapoport <[email protected]>
Signed-off-by: Jonathan Corbet <[email protected]>
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This patch groups together section pertaining to the perf tools. That way
everything is at the same place rather than spread out.
Signed-off-by: Mathieu Poirier <[email protected]>
Signed-off-by: Jonathan Corbet <[email protected]>
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Adding a section that document how to use the Coresight framework and
drivers from the perf tools.
Signed-off-by: Mathieu Poirier <[email protected]>
Acked-by: Randy Dunlap <[email protected]>
Signed-off-by: Jonathan Corbet <[email protected]>
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Field "owner" of struct coresight_desc has been removed a while back but
the documentation was not updated to reflect the changes.
Signed-off-by: Mathieu Poirier <[email protected]>
Signed-off-by: Jonathan Corbet <[email protected]>
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Add a description that the kernel headers should be used as far as it is
possible and then the system headers.
Signed-off-by: Anders Roxell <[email protected]>
Reviewed-by: Shuah Khan (Samsung OSG) <[email protected]>
Signed-off-by: Jonathan Corbet <[email protected]>
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Some lines used spaces instead of tabs at line start.
This can cause mangled lines in editors due to inconsistency.
Replace spaces for tabs where appropriate.
Signed-off-by: Thymo van Beers <[email protected]>
Reviewed-by: Randy Dunlap <[email protected]>
Signed-off-by: Jonathan Corbet <[email protected]>
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Thomas said:
There are a few bogus SPDX identifiers in various files and SPDX
Identifiers used in tree or about to be used which have no corresponding
License Text file in the LICENSES directory or use the new variant of the
GPL-2.0[+] license identifiers which are not mentioned in the GPL-2.0
Valid-License-Identifiers: tags.
There is no tool which can be used to scan the tree and also nothing which
helps people who submit patches to check their stuff before submission.
The following series cleans that up:
- Add GPL-2.0-only and GPL-2.0-or-later identifiers to the GPL2.0 license
and the Linux-syscall-note exception
- Add X11, Apache-2.0, CC-BY-SA-4.0, CCDL-1.0, Linux-OpenIB license texts
to the LICENSES directory along with the required documentation texts
- Add a checker script which can read a single file or even a patch from
the command line or does a full git tree scan
[Thomas also wins some sort of special prize for including an SPDX-checking
patch that complains about itself!]
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The SPDX-License-Identifiers are growing in the kernel and so grow
expression failures and license IDs are used which have no corresponding
license text file in the LICENSES directory.
Add a script which gathers information from the LICENSES directory,
i.e. the various tags in the licenses and exception files and then scans
either input from stdin, which it treats as a single file or if started
without arguments it scans the full kernel tree.
It checks whether the license expression syntax is correct and also
validates whether the license identifiers used in the expressions are
available in the LICENSES files.
scripts/spdxcheck.py -h
usage: spdxcheck.py [-h] [-m MAXLINES] [-v] [path [path ...]]
SPDX expression checker
positional arguments:
path Check path or file. If not given full git tree scan.
For stdin use "-"
optional arguments:
-h, --help show this help message and exit
-m MAXLINES, --maxlines MAXLINES
Maximum number of lines to scan in a file. Default 15
-v, --verbose Verbose statistics output
include/dt-bindings/reset/amlogic,meson-axg-reset.h: 9:41 Invalid License ID: BSD
drivers/pinctrl/sh-pfc/pfc-r8a77965.c: 1:28 Invalid License ID: GPL-2.
include/dt-bindings/reset/amlogic,meson-axg-reset.h: 9:41 Invalid License ID: BSD
arch/x86/kernel/jailhouse.c: 1:28 Invalid License ID: GPL2.0
include/dt-bindings/reset/amlogic,meson-axg-reset.h: 9:41 Invalid License ID: BSD
arch/arm/mach-s3c24xx/h1940-bluetooth.c: 1:28 Invalid License ID: GPL-1.0
arch/x86/kernel/jailhouse.c: 1:28 Invalid License ID: GPL2.0
drivers/pinctrl/sh-pfc/pfc-r8a77965.c: 1:28 Invalid License ID: GPL-2.
include/dt-bindings/reset/amlogic,meson-axg-reset.h: 9:41 Invalid License ID: BSD
arch/x86/include/asm/jailhouse_para.h: 1:28 Invalid License ID: GPL2.0
arch/arm/mach-s3c24xx/h1940-bluetooth.c: 1:28 Invalid License ID: GPL-1.0
arch/x86/kernel/jailhouse.c: 1:28 Invalid License ID: GPL2.0
drivers/pinctrl/sh-pfc/pfc-r8a77965.c: 1:28 Invalid License ID: GPL-2.
include/dt-bindings/reset/amlogic,meson-axg-reset.h: 9:41 Invalid License ID: BSD
arch/x86/include/asm/jailhouse_para.h: 1:28 Invalid License ID: GPL2.0
License files: 14
Exception files: 1
License IDs 19
Exception IDs 1
Files checked: 61332
Lines checked: 669181
Files with SPDX: 16169
Files with errors: 5
real 0m2.642s
user 0m2.231s
sys 0m0.467s
That's a full tree sweep on my laptop. Note, this runs single threaded.
It scans by default the first 15 lines for a SPDX identifier where the
current max inside a top comment is at line 10. But that's going to be
faster once the identifiers are all in the first two lines as documented.
The python wizards will surely know how to do that smarter and faster, but
its at least better than no tool at all.
Signed-off-by: Thomas Gleixner <[email protected]>
Reviewed-by: Greg Kroah-Hartman <[email protected]>
[jc: Fixed ironically erroneous SPDX tag and did chmod +x ]
Signed-off-by: Jonathan Corbet <[email protected]>
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The infiniband code uses a variant of the OpenIB license. This license is
BSD-2-Clause with the MIT disclaimer. The linux kernel uses this license
extensively throughout the driver subsystem since 2005. Note that the
OpenIB.org license is a true match to BSD-2-Clause.
The license text was copied from:
https://spdx.org/licenses/Linux-OpenIB.html#licenseText
Signed-off-by: Thomas Gleixner <[email protected]>
Reviewed-by: Greg Kroah-Hartman <[email protected]>
Reviewed-by: Kate Stewart <[email protected]>
Signed-off-by: Jonathan Corbet <[email protected]>
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Add the full text of the CC-BY-SA-4.0 license to the kernel tree. It was
copied directly from:
https://spdx.org/licenses/CC-BY-SA-4.0.html#licenseText
Signed-off-by: Thomas Gleixner <[email protected]>
Reviewed-by: Greg Kroah-Hartman <[email protected]>
Reviewed-by: Kate Stewart <[email protected]>
Signed-off-by: Jonathan Corbet <[email protected]>
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Add the full text of the CDDL-1.0 to the kernel tree. It was copied directly
from:
https://spdx.org/licenses/CDDL-1.0.html#licenseText
Signed-off-by: Thomas Gleixner <[email protected]>
Reviewed-by: Greg Kroah-Hartman <[email protected]>
Reviewed-by: Kate Stewart <[email protected]>
Signed-off-by: Jonathan Corbet <[email protected]>
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Add the full text of the Apache License version 2 to the kernel tree. It
was copied directly from:
https://spdx.org/licenses/Apache-2.0.html#licenseText
Signed-off-by: Thomas Gleixner <[email protected]>
Reviewed-by: Greg Kroah-Hartman <[email protected]>
Reviewed-by: Kate Stewart <[email protected]>
Signed-off-by: Jonathan Corbet <[email protected]>
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Add the full text of the X11 to the kernel tree. It was copied directly
from:
https://spdx.org/licenses/X11.html#licenseText
Signed-off-by: Thomas Gleixner <[email protected]>
Reviewed-by: Greg Kroah-Hartman <[email protected]>
Signed-off-by: Jonathan Corbet <[email protected]>
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Quite some files have been flagged with the new GPL-2.0-only and
GPL-2.0-or-later identifiers which replace the original GPL-2.0 and
GPL-2.0+ identifiers in the SPDX license identifier specification, but the
identifiers are not mentioned as valid in the GPL-2.0 license file.
Add them to the license file and to the Linux-syscall-note exception to
make everything consistent again.
Signed-off-by: Thomas Gleixner <[email protected]>
Reviewed-by: Greg Kroah-Hartman <[email protected]>
Reviewed-by: Mauro Carvalho Chehab <[email protected]>
Cc: Hans Verkuil <[email protected]>
Signed-off-by: Jonathan Corbet <[email protected]>
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This patch corrects some spelling typo in ftrace-users.rst
Signed-off-by: Masanari Iida <[email protected]>
Acked-by: Steven Rostedt (VMware) <[email protected]>
Signed-off-by: Jonathan Corbet <[email protected]>
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git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
"Exynos, i915, vc4, amdgpu fixes.
i915:
- an oops fix
- two race fixes
- some gvt fixes
amdgpu:
- dark screen fix
- clk/voltage fix
- vega12 smu fix
vc4:
- memory leak fix
exynos just drops some code"
* tag 'drm-fixes-for-v4.17-rc2' of git://people.freedesktop.org/~airlied/linux: (23 commits)
drm/amd/powerplay: header file interface to SMU update
drm/amd/pp: Fix bug voltage can't be OD separately on VI
drm/amd/display: Don't program bypass on linear regamma LUT
drm/i915: Fix LSPCON TMDS output buffer enabling from low-power state
drm/i915/audio: Fix audio detection issue on GLK
drm/i915: Call i915_perf_fini() on init_hw error unwind
drm/i915/bios: filter out invalid DDC pins from VBT child devices
drm/i915/pmu: Inspect runtime PM state more carefully while estimating RC6
drm/i915: Do no use kfree() to free a kmem_cache_alloc() return value
drm/exynos: exynos_drm_fb -> drm_framebuffer
drm/exynos: Move dma_addr out of exynos_drm_fb
drm/exynos: Move GEM BOs to drm_framebuffer
drm: Fix HDCP downstream dev count read
drm/vc4: Fix memory leak during BO teardown
drm/i915/execlists: Clear user-active flag on preemption completion
drm/i915/gvt: Add drm_format_mod update
drm/i915/gvt: Disable primary/sprite/cursor plane at virtual display initialization
drm/i915/gvt: Delete redundant error message in fb_decode.c
drm/i915/gvt: Cancel dma map when resetting ggtt entries
drm/i915/gvt: Missed to cancel dma map for ggtt entries
...
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into drm-next
- Fix a dark screen issue in DC
- Fix clk/voltage dependency tracking for wattman
- Update SMU interface for vega12
* 'drm-next-4.17' of git://people.freedesktop.org/~agd5f/linux:
drm/amd/powerplay: header file interface to SMU update
drm/amd/pp: Fix bug voltage can't be OD separately on VI
drm/amd/display: Don't program bypass on linear regamma LUT
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git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos into drm-next
Remove Exynos specific framebuffer structure and
relevant functions.
- it removes exynos_drm_fb structure which is a wrapper of
drm_framebuffer and unnecessary two exynos specific callback
functions, exynos_drm_destory() and exynos_drm_fb_create_handle()
because we can reuse existing drm common callback ones instead.
* tag 'exynos-drm-fixes-for-v4.17-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos:
drm/exynos: exynos_drm_fb -> drm_framebuffer
drm/exynos: Move dma_addr out of exynos_drm_fb
drm/exynos: Move GEM BOs to drm_framebuffer
drm/amdkfd: Deallocate SDMA queues correctly
drm/amdkfd: Fix scratch memory with HWS enabled
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git://anongit.freedesktop.org/drm/drm-intel into drm-next
- Fix for FDO #105549: Avoid OOPS on bad VBT (Jani)
- Fix rare pre-emption race (Chris)
- Fix RC6 race against PM transitions (Tvrtko)
* tag 'drm-intel-next-fixes-2018-04-19' of git://anongit.freedesktop.org/drm/drm-intel:
drm/i915/audio: Fix audio detection issue on GLK
drm/i915: Call i915_perf_fini() on init_hw error unwind
drm/i915/bios: filter out invalid DDC pins from VBT child devices
drm/i915/pmu: Inspect runtime PM state more carefully while estimating RC6
drm/i915: Do no use kfree() to free a kmem_cache_alloc() return value
drm/i915/execlists: Clear user-active flag on preemption completion
drm/i915/gvt: Add drm_format_mod update
drm/i915/gvt: Disable primary/sprite/cursor plane at virtual display initialization
drm/i915/gvt: Delete redundant error message in fb_decode.c
drm/i915/gvt: Cancel dma map when resetting ggtt entries
drm/i915/gvt: Missed to cancel dma map for ggtt entries
drm/i915/gvt: Make MI_USER_INTERRUPT nop in cmd parser
drm/i915/gvt: Mark expected switch fall-through in handle_g2v_notification
drm/i915/gvt: throw error on unhandled vfio ioctls
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git://anongit.freedesktop.org/drm/drm-misc into drm-next
drm-misc-fixes:
stable: vc4: Fix memory leak during BO teardown (Daniel)
dp: Add i2c retry for LSPCON adapters (Imre)
hdcp: Fix device count mask (Ramalingam)
Cc: Daniel J Blueman <[email protected]
Cc: Imre Deak <[email protected]>
Cc: Ramalingam C <[email protected]>
* tag 'drm-misc-fixes-2018-04-18-1' of git://anongit.freedesktop.org/drm/drm-misc:
drm/i915: Fix LSPCON TMDS output buffer enabling from low-power state
drm: Fix HDCP downstream dev count read
drm/vc4: Fix memory leak during BO teardown
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Pull cifs fixes from Steve French:
"Various SMB3/CIFS fixes.
There are three more security related fixes in progress that are not
included in this set but they are still being tested and reviewed, so
sending this unrelated set of smaller fixes now"
* tag '4.17-rc1-SMB3-CIFS' of git://git.samba.org/sfrench/cifs-2.6:
CIFS: fix typo in cifs_dbg
cifs: do not allow creating sockets except with SMB1 posix exensions
cifs: smbd: Dump SMB packet when configured
cifs: smbd: Check for iov length on sending the last iov
fs: cifs: Adding new return type vm_fault_t
cifs: smb2ops: Fix NULL check in smb2_query_symlink
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git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fixes from David Sterba:
"This contains a few fixups to the qgroup patches that were merged this
dev cycle, unaligned access fix, blockgroup removal corner case fix
and a small debugging output tweak"
* tag 'for-4.17-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: print-tree: debugging output enhancement
btrfs: Fix race condition between delayed refs and blockgroup removal
btrfs: fix unaligned access in readdir
btrfs: Fix wrong btrfs_delalloc_release_extents parameter
btrfs: delayed-inode: Remove wrong qgroup meta reservation calls
btrfs: qgroup: Use independent and accurate per inode qgroup rsv
btrfs: qgroup: Commit transaction in advance to reduce early EDQUOT
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