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git://anongit.freedesktop.org/git/drm-misc into drm-next
drm-misc for 4.12, 2nd attempt this week:
- topic branch from Jon Corbet for the new graph kerneldoc support
- lots of graphs for kms/atomic things using the above
- some vblank query tuning from Chris
- gem/cma_fops macros
- moar docs
Driver stuff:
- vc4 hdmi audio, yay (Eric)
- dw-hdmi polish from a bunch of people
- some rockchip dp updates that didn't make last week (Chris Zhong)
- misc bridge&driver updates
* tag 'drm-misc-next-2017-03-21' of git://anongit.freedesktop.org/git/drm-misc: (37 commits)
drm/edid: detect SCDC support in HF-VSDB
drm/edid: detect SCDC support in HF-VSDB
drm/edid: check for HF-VSDB block
drm: Add SCDC helpers
drm: bridge: dw-hdmi: add HDMI vendor specific infoframe config
drm/bridge: dw_hdmi: support i2c extended read mode
drm/msm: add stubs for msm_{perf,rd}_debugfs_cleanup
drm: bochs: Don't remove uninitialized fbdev framebuffer
drm: vc4: remove redundant check of plane being non-null
drm/vc4: use platform_register_drivers
dma-fence: add dma_fence_match_context helper
drm/vc4: Add HDMI audio support
dt-bindings: Document the dmas and dma-names properties for VC4 HDMI
drm/atmel-hlcdc: Fix suspend/resume implementation
drm: Skip the waitqueue setup for vblank queries
drm: Defer disabling the vblank IRQ until the next interrupt (for instant-off)
drm/doc: atomic overview, with graph
drm/doc: diagram for mode objects and properties
drm/doc: Consistent kerneldoc include order
drm/doc: Add KMS overview graphs
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git://anongit.freedesktop.org/git/drm-intel into drm-next
More in i915 for 4.12:
- designware i2c fixes from Hans de Goede, in a topic branch shared
with other subsystems (maybe, they didn't confirm, but requested the
pull)
- drop drm_panel usage from the intel dsi vbt panel (Jani)
- vblank evasion improvements and tracing (Maarten and Ville)
- clarify spinlock irq semantics again a bit (Tvrtko)
- new ->pwrite backend hook (right now just for shmem pageche writes),
from Chris
- more planar/ccs work from Ville
- hotplug safe connector iterators everywhere
- userptr fixes (Chris)
- selftests for cache coloring eviction (Matthew Auld)
- extend debugfs drop_caches interface for shrinker testing (Chris)
- baytrail "the rps kills the machine" fix (Chris)
- use new atomic state iterators, a lot (Maarten)
- refactor guc/huc code some (Arkadiusz Hiler)
- tighten breadcrumbs rbtree a bit (Chris)
- improve wrap-around and time handling in rps residency counters
(Mika)
- split reset-in-progress in two flags, backoff and handoff (Chris)
- other misc reset improvements from a few people
- bunch of vgpu interaction fixes with recent code changes
- misc stuff all over, as usual
* tag 'drm-intel-next-2017-03-20' of git://anongit.freedesktop.org/git/drm-intel: (144 commits)
drm/i915: Update DRIVER_DATE to 20170320
drm/i915: Initialise i915_gem_object_create_from_data() directly
drm/i915: Correct error handling for i915_gem_object_create_from_data()
drm/i915: i915_gem_object_create_from_data() doesn't require struct_mutex
drm/i915: Retire an active batch pool object rather than allocate new
drm/i915: Add i810/i815 pci-ids for completeness
drm/i915: Skip execlists_dequeue() early if the list is empty
drm/i915: Stop using obj->obj_exec_link outside of execbuf
drm/i915: Squelch WARN for VLV_COUNTER_CONTROL
drm/i915/glk: Enable pooled EUs for Geminilake
drm/i915: Remove superfluous i915_add_request_no_flush() helper
drm/i915/vgpu: Neuter forcewakes for VGPU more thoroughly
drm/i915: Fix vGPU balloon for ggtt guard page
drm/i915: Avoid use-after-free of ctx in request tracepoints
drm/i915: Assert that the context pin_counts do not overflow
drm/i915: Wait for reset to complete before returning from debugfs/i915_wedged
drm/i915: Restore engine->submit_request before unwedging
drm/i915: Move engine->submit_request selection to a vfunc
drm/i915: Split I915_RESET_IN_PROGRESS into two flags
drm/i915: make context status notifier head be per engine
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This patch adds hash of maps support (hashmap->bpf_map).
BPF_MAP_TYPE_HASH_OF_MAPS is added.
A map-in-map contains a pointer to another map and lets call
this pointer 'inner_map_ptr'.
Notes on deleting inner_map_ptr from a hash map:
1. For BPF_F_NO_PREALLOC map-in-map, when deleting
an inner_map_ptr, the htab_elem itself will go through
a rcu grace period and the inner_map_ptr resides
in the htab_elem.
2. For pre-allocated htab_elem (!BPF_F_NO_PREALLOC),
when deleting an inner_map_ptr, the htab_elem may
get reused immediately. This situation is similar
to the existing prealloc-ated use cases.
However, the bpf_map_fd_put_ptr() calls bpf_map_put() which calls
inner_map->ops->map_free(inner_map) which will go
through a rcu grace period (i.e. all bpf_map's map_free
currently goes through a rcu grace period). Hence,
the inner_map_ptr is still safe for the rcu reader side.
This patch also includes BPF_MAP_TYPE_HASH_OF_MAPS to the
check_map_prealloc() in the verifier. preallocation is a
must for BPF_PROG_TYPE_PERF_EVENT. Hence, even we don't expect
heavy updates to map-in-map, enforcing BPF_F_NO_PREALLOC for map-in-map
is impossible without disallowing BPF_PROG_TYPE_PERF_EVENT from using
map-in-map first.
Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds a few helper funcs to enable map-in-map
support (i.e. outer_map->inner_map). The first outer_map type
BPF_MAP_TYPE_ARRAY_OF_MAPS is also added in this patch.
The next patch will introduce a hash of maps type.
Any bpf map type can be acted as an inner_map. The exception
is BPF_MAP_TYPE_PROG_ARRAY because the extra level of
indirection makes it harder to verify the owner_prog_type
and owner_jited.
Multi-level map-in-map is not supported (i.e. map->map is ok
but not map->map->map).
When adding an inner_map to an outer_map, it currently checks the
map_type, key_size, value_size, map_flags, max_entries and ops.
The verifier also uses those map's properties to do static analysis.
map_flags is needed because we need to ensure BPF_PROG_TYPE_PERF_EVENT
is using a preallocated hashtab for the inner_hash also. ops and
max_entries are needed to generate inlined map-lookup instructions.
For simplicity reason, a simple '==' test is used for both map_flags
and max_entries. The equality of ops is implied by the equality of
map_type.
During outer_map creation time, an inner_map_fd is needed to create an
outer_map. However, the inner_map_fd's life time does not depend on the
outer_map. The inner_map_fd is merely used to initialize
the inner_map_meta of the outer_map.
Also, for the outer_map:
* It allows element update and delete from syscall
* It allows element lookup from bpf_prog
The above is similar to the current fd_array pattern.
Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This commit adds a new sysctl accept_ra_rt_info_min_plen that
defines the minimum acceptable prefix length of Route Information
Options. The new sysctl is intended to be used together with
accept_ra_rt_info_max_plen to configure a range of acceptable
prefix lengths. It is useful to prevent misconfigurations from
unintentionally blackholing too much of the IPv6 address space
(e.g., home routers announcing RIOs for fc00::/7, which is
incorrect).
Signed-off-by: Joel Scherpelz <jscherpelz@google.com>
Acked-by: Lorenzo Colitti <lorenzo@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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drm_dp_mst_allocate_vcpi() apart from setting up the vcpi structure,
also finds if there are enough slots available. This check is a duplicate
of that implemented in drm_dp_mst_find_vcpi_slots(). Let's move this check
out and reuse the existing drm_dp_mst_find_vcpi_slots() function to check
if there are enough vcpi slots before allocating them.
This brings the check to one place. Additionally drivers that will use MST
state tracking for atomic modesets can use the atomic version of
find_vcpi_slots() and reuse drm_dp_mst_allocate_vcpi()
Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1489648231-30700-4-git-send-email-dhinakaran.pandiyan@intel.com
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The avail_slots member in the MST topology manager is never updated to
reflect the available vcpi slots. The check is effectively against
total slots, 63. So, let's make that check obvious and remove
avail_slots. While at it, make debug messages more descriptive.
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Archit Taneja <architt@codeaurora.org>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Harry Wentland <Harry.wentland@amd.com>
Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1489648231-30700-3-git-send-email-dhinakaran.pandiyan@intel.com
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The total vcpi time slots is always 63 and does not depend on the link BW,
remove total_slots from MST topology manager struct. The next change is to
remove total_pbn which is hardcoded to 2560. The total PBN that the
topology manager allocates from depends on the link rate and is not a
constant. So, fix this by removing the total_pbn member itself.
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Archit Taneja <architt@codeaurora.org>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Harry Wentland <Harry.wentland@amd.com>
Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1489648231-30700-2-git-send-email-dhinakaran.pandiyan@intel.com
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The modalias sysfs attr is lacking a newline for DT aliases on platform
devices. The macio and ibmebus correctly add the newline, but open code it.
Introduce a new function, of_device_modalias(), that fills the buffer with
the modalias including the newline and update users of the old
of_device_get_modalias function.
Signed-off-by: Rob Herring <robh@kernel.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Frank Rowand <frowand.list@gmail.com>
Cc: linuxppc-dev@lists.ozlabs.org
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Remove the indirect MMD read/write methods which are now no longer
necessary.
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make phy_(read|write)_mmd() generic 802.3 clause 45 register accessors
for both Clause 22 and Clause 45 PHYs, using either the direct register
reading for Clause 45, or the indirect method for Clause 22 PHYs.
Allow this behaviour to be overriden by PHY drivers where necessary.
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Move the phy_(read|write)__mmd() helpers out of line, they will become
our main MMD accessor functions, and so will be a little more complex.
This complexity doesn't belong in an inline function. Also move the
_indirect variants as well to keep like functionality together.
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Prior to the recent multi-queue changes the driver would configure the
queues to use the AVB mode, but the mode then got switched to DCB. The
hardware still works fine in DCB mode, but my testing capabilities are
limited, so it's safer to revert to the prior setting anyway.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Acked-By: Joao Pinto <jpinto@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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refcount_t type and corresponding API should be
used instead of atomic_t when the variable is used as
a reference counter. This allows to avoid accidental
refcounter overflows that might lead to use-after-free
situations.
Signed-off-by: Elena Reshetova <elena.reshetova@intel.com>
Signed-off-by: Hans Liljestrand <ishkamiel@gmail.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: David Windsor <dwindsor@gmail.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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With the introduction of open flow 'clone' action, the OVS user space
can now translate the 'clone' action into kernel datapath 'sample'
action, with 100% probability, to ensure that the clone semantics,
which is that the packet seen by the clone action is the same as the
packet seen by the action after clone, is faithfully carried out
in the datapath.
While the sample action in the datpath has the matching semantics,
its implementation is only optimized for its original use.
Specifically, there are two limitation: First, there is a 3 level of
nesting restriction, enforced at the flow downloading time. This
limit turns out to be too restrictive for the 'clone' use case.
Second, the implementation avoid recursive call only if the sample
action list has a single userspace action.
The main optimization implemented in this series removes the static
nesting limit check, instead, implement the run time recursion limit
check, and recursion avoidance similar to that of the 'recirc' action.
This optimization solve both #1 and #2 issues above.
One related optimization attempts to avoid copying flow key as
long as the actions enclosed does not change the flow key. The
detection is performed only once at the flow downloading time.
Another related optimization is to rewrite the action list
at flow downloading time in order to save the fast path from parsing
the sample action list in its original form repeatedly.
Signed-off-by: Andy Zhou <azhou@ovn.org>
Acked-by: Pravin B Shelar <pshelar@ovn.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Allows reading of SK_MEMINFO_VARS via socket option. This way an
application can get all meminfo related information in single socket
option call instead of multiple calls.
Adds helper function, sk_get_meminfo(), and uses that for both
getsockopt and sock_diag_put_meminfo().
Suggested by Eric Dumazet.
Signed-off-by: Josh Hunt <johunt@akamai.com>
Reviewed-by: Jason Baron <jbaron@akamai.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds guarded storage support for KVM guest. We need to
setup the necessary control blocks, the kvm_run structure for the
new registers, the necessary wrappers for VSIE, as well as the
machine check save areas.
GS is enabled lazily and the register saving and reloading is done in
KVM code. As this feature adds new content for migration, we provide
a new capability for enablement (KVM_CAP_S390_GS).
Signed-off-by: Fan Zhang <zhangfan@linux.vnet.ibm.com>
Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: Janosch Frank <frankja@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
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sctp_stream_free uses struct sctp_stream as a param, but struct sctp_stream
is defined after it's declaration.
This patch is to declare struct sctp_stream before sctp_stream_free.
Fixes: a83863174a61 ("sctp: prepare asoc stream for stream reconf")
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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neigh notifications today carry pid 0 for nlmsg_pid
in all cases. This patch fixes it to carry calling process
pid when available. Applications (eg. quagga) rely on
nlmsg_pid to ignore notifications generated by their own
netlink operations. This patch follows the routing subsystem
which already sets this correctly.
Reported-by: Vivek Venkatraman <vivek@cumulusnetworks.com>
Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Allow drivers to return a custom drm_format_info structure for special
fb layouts. We'll use this for the compression control surface in i915.
v2: Fix drm_get_format_info() kernel doc (Laurent)
Don't pass 'dev' to the new hook (Laurent)
v3: s/compresssion/compression/ (Ben)
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Ben Widawsky <ben@bwidawsk.net>
Cc: Jason Ekstrand <jason@jlekstrand.net>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Link: http://patchwork.freedesktop.org/patch/msgid/20170321181218.10042-4-ville.syrjala@linux.intel.com
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Now that we're applying the IOMMU API reserved regions to our IOVA
domains, we shouldn't need to privately special-case PCI windows, or
indeed anything else which isn't specific to our iommu-dma layer.
However, since those aren't IOMMU-specific either, rather than start
duplicating code into IOMMU drivers let's transform the existing
function into an iommu_get_resv_regions() helper that they can share.
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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The introduction of reserved regions has left a couple of rough edges
which we could do with sorting out sooner rather than later. Since we
are not yet addressing the potential dynamic aspect of software-managed
reservations and presenting them at arbitrary fixed addresses, it is
incongruous that we end up displaying hardware vs. software-managed MSI
regions to userspace differently, especially since ARM-based systems may
actually require one or the other, or even potentially both at once,
(which iommu-dma currently has no hope of dealing with at all). Let's
resolve the former user-visible inconsistency ASAP before the ABI has
been baked into a kernel release, in a way that also lays the groundwork
for the latter shortcoming to be addressed by follow-up patches.
For clarity, rename the software-managed type to IOMMU_RESV_SW_MSI, use
IOMMU_RESV_MSI to describe the hardware type, and document everything a
little bit. Since the x86 MSI remapping hardware falls squarely under
this meaning of IOMMU_RESV_MSI, apply that type to their regions as well,
so that we tell the same story to userspace across all platforms.
Secondly, as the various region types require quite different handling,
and it really makes little sense to ever try combining them, convert the
bitfield-esque #defines to a plain enum in the process before anyone
gets the wrong impression.
Fixes: d30ddcaa7b02 ("iommu: Add a new type field in iommu_resv_region")
Reviewed-by: Eric Auger <eric.auger@redhat.com>
CC: Alex Williamson <alex.williamson@redhat.com>
CC: David Woodhouse <dwmw2@infradead.org>
CC: kvm@vger.kernel.org
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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The vpif display driver uses a static i2c adapter ID of 1 but on the
da850-evm board in DT boot mode the i2c adapter ID is actually 0.
Make the adapter ID configurable like it already is for vpif capture.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Acked-by: Kevin Hilman <khilman@baylibre.com>
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Currently, building code which uses the API guarded by the IOMMU_IOVA
will fail to link if IOMMU_IOVA is not enabled. Often this code will be
using the API provided by the IOMMU_API Kconfig symbol, but support for
this can be optional, with code falling back to contiguous memory. This
commit implements dummy functions for the IOVA API so that it can be
compiled out.
With both IOMMU_API and IOMMU_IOVA optional, code can now be built with
or without support for IOMMU without having to resort to #ifdefs in the
user code.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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There is already helper functions to do 64-bit I/O on 32-bit machines or
buses, thus we don't need to reinvent the wheel.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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All remaining soc-camera drivers use videobuf2, drop support for
videobuf1.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
[hans.verkuil@cisco.com: also drop 'select VIDEOBUF_GEN' from Kconfig]
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The xvYCC601/709 encodings were mapped by default to full range quantization.
This is actually wrong since these encodings use limited range quantization,
but accept values outside of the limited range.
This makes sense since for values within the limited range it behaves exactly
the same as BT.601 or Rec. 709. The only difference is that with the xvYCC
encodings the values outside of the limited range also produce value colors.
Talking to people who know a lot more about this than I do made me realize
that mapping xvYCC to full range quantization was wrong, so this patch corrects
this and also improves the documentation.
These formats are very rare, and since the formula for decoding these Y'CbCr
encodings is actually fixed and independent of the quantization field value
it is safe to make this change.
The main advantage is that keeps the V4L2 specification in sync with the
corresponding colorspace, HDMI and CEA861 standards when it comes to these
xvYCC formats.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-linus
Jonathan writes:
Thirds set of IIO fixes for the 4.11 cycle.
* core
- iio sw-device - ensure configfs is enabled both when building as module
and built in.
* ak8974
- drop incorrect __exit markup on remove.
* hid-sensor-trigger
- code reorganise to avoid losing settings if a power cycle occurs during S3.
* lsm6dsx
- fix incorrect overwrite of parts of FIFO_CTRL2 register during watermark
configuration.
* ti-am335x
- fix a hard to hit bug when reenabling from a fifo overrun by waiting for
current cycle to finish.
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git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next
Jonathan writes:
2nd set of new device support, features and cleanups for IIO in the 4.12 cycle
A good collection of outreachy related patches in here - mostly staging
driver cleanup. Also a fair number of patches added explicit OF device ID
tables for i2c drivers - a precursor to dropping (eventually) the implicit
probing.
New Device Support
* Allwinner SoC ADC.
- So far covers the sun4i-a10, sun5i-a13 and sun6i-a31 general purpose ADCs,
including thermal side of things.
This missed the last cycle due to my incompetence, so good to get in now,
particularly as various patches dependent on it are appearing.
* ltc2632
- new driver supporting ltc2632-l12, ltc2632-l10, ltc2632-l8, ltc2632-h12,
ltc-2632-h10, ltc-2632-h8 dacs
Cleanups
* Documentation
- drop a broken reference to i2c/trivial-devices
* ad2s1200
- drop & from function pointers for consistency.
* ad2s1210
- formatting fixes.
* ad7152
- octal permissions instead of symbolic.
- drop & from function pointers for consistent usage.
* ad7192
- drop & from function pointers for consistent usage.
* ad7280
- replace core mlock usage with a local lock as mlock is intended only to
protect the current device state (direct reads, or triggered and buffered)
* ad7746
- drop & from function pointers for consistent usage.
- replace core mlock usage with a local lock as mlock is intended only to
protect the current device state (direct reads, or triggered and buffered)
* ad7754
- move contents of header file into source file as not used anywhere else.
* ad7759
- move contents of header file into source file as not used anywhere else.
* ad7780
- drop & from function pointers for consistent usage.
* ad7832
- replace core mlock usage with a local lock as mlock is intended only to
protect the current device state (direct reads, or triggered and buffered)
* ad9834
- replace core mlock usage with a local lock as mlock is intended only to
protect the current device state (direct reads, or triggered and buffered)
- drop an unnecessary goto in favour of direct return.
* adis16060
- drop & from function pointers as inconsistent.
* adis16201
- drop a local mutex as the adis core already protects everything necessary.
- drop & from function pointers for consistent usage.
* adis16203
- drop & from function pointers for consistent usage.
* adis16209
- drop a local mutex as the adis core already protects everything necessary.
- use an enum for scan index giving slightly nicer code.
- drop & from function pointers for consistent usage.
* adis16240
- drop a local mutex as the adis core already protects everything necessary.
- use an enum for scan index giving slightly nicer code.
- drop & from function pointers for consistent usage.
* apds9960
- add OF device ID table.
* bma180
- add OF device ID table.
- prefer unsigned int to bare use of unsigned.
* bmc150_magn
- add OF device ID table.
* hmp03
- add OF device ID table.
* ina2xx
- add OF device ID table.
* itg3200
- add OF device ID table.
* mag3110
- add OF device ID table.
* max11100
- remove .owner field as it is set by the spi core.
* max5821
- add .of_match_table set to the ID table which was present but not used.
* mcp4725
- add OF device ID table.
* mlx96014
- add OF device ID table.
* mma7455
- add OF device ID table.
* mma7660
- add OF device ID table.
* mpl3115
- add OF device ID table.
* mpu6050
- add OF device ID table.
* pc104
- mask pc104 drivers behind a global pc104 config option.
* ti-ads1015
- add OF device ID table.
* tsl2563
- add OF device ID table.
* us5182d
- add OF device ID table.
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Unfortunately the HWMON_T_ALARM define was missing,
although the associated entry was present in hwmon_temp_attributes.
This is needed to convert drivers to the new interface which use channel
based alarms.
Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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This adds a new system call to enable the use of guarded storage for
user space processes. The system call takes two arguments, a command
and pointer to a guarded storage control block:
s390_guarded_storage(int command, struct gs_cb *gs_cb);
The second argument is relevant only for the GS_SET_BC_CB command.
The commands in detail:
0 - GS_ENABLE
Enable the guarded storage facility for the current task. The
initial content of the guarded storage control block will be
all zeros. After the enablement the user space code can use
load-guarded-storage-controls instruction (LGSC) to load an
arbitrary control block. While a task is enabled the kernel
will save and restore the current content of the guarded
storage registers on context switch.
1 - GS_DISABLE
Disables the use of the guarded storage facility for the current
task. The kernel will cease to save and restore the content of
the guarded storage registers, the task specific content of
these registers is lost.
2 - GS_SET_BC_CB
Set a broadcast guarded storage control block. This is called
per thread and stores a specific guarded storage control block
in the task struct of the current task. This control block will
be used for the broadcast event GS_BROADCAST.
3 - GS_CLEAR_BC_CB
Clears the broadcast guarded storage control block. The guarded-
storage control block is removed from the task struct that was
established by GS_SET_BC_CB.
4 - GS_BROADCAST
Sends a broadcast to all thread siblings of the current task.
Every sibling that has established a broadcast guarded storage
control block will load this control block and will be enabled
for guarded storage. The broadcast guarded storage control block
is used up, a second broadcast without a refresh of the stored
control block with GS_SET_BC_CB will not have any effect.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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The root device's issue flush trace is missing,
add it and tracing the result from submit.
Fixes d50aaeec90 ("f2fs: show actual device info in tracepoints")
Signed-off-by: Kinglong Mee <kinglongmee@gmail.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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When I forced to enable atomic operations intentionally, I could hit the below
panic, since we didn't clear page->private in f2fs_invalidate_page called by
file truncation.
The panic occurs due to NULL mapping having page->private.
BUG: unable to handle kernel paging request at ffffffffffffffff
IP: drop_buffers+0x38/0xe0
PGD 5d00c067
PUD 5d00e067
PMD 0
CPU: 3 PID: 1648 Comm: fsstress Tainted: G D OE 4.10.0+ #5
Hardware name: innotek GmbH VirtualBox/VirtualBox, BIOS VirtualBox 12/01/2006
task: ffff9151952863c0 task.stack: ffffaaec40db4000
RIP: 0010:drop_buffers+0x38/0xe0
RSP: 0018:ffffaaec40db74c8 EFLAGS: 00010292
Call Trace:
? page_referenced+0x8b/0x170
try_to_free_buffers+0xc5/0xe0
try_to_release_page+0x49/0x50
shrink_page_list+0x8bc/0x9f0
shrink_inactive_list+0x1dd/0x500
? shrink_active_list+0x2c0/0x430
shrink_node_memcg+0x5eb/0x7c0
shrink_node+0xe1/0x320
do_try_to_free_pages+0xef/0x2e0
try_to_free_pages+0xe9/0x190
__alloc_pages_slowpath+0x390/0xe70
__alloc_pages_nodemask+0x291/0x2b0
alloc_pages_current+0x95/0x140
__page_cache_alloc+0xc4/0xe0
pagecache_get_page+0xab/0x2a0
grab_cache_page_write_begin+0x20/0x40
get_read_data_page+0x2e6/0x4c0 [f2fs]
? f2fs_mark_inode_dirty_sync+0x16/0x30 [f2fs]
? truncate_data_blocks_range+0x238/0x2b0 [f2fs]
get_lock_data_page+0x30/0x190 [f2fs]
__exchange_data_block+0xaaf/0xf40 [f2fs]
f2fs_fallocate+0x418/0xd00 [f2fs]
vfs_fallocate+0x157/0x220
SyS_fallocate+0x48/0x80
Signed-off-by: Yunlei He <heyunlei@huawei.com>
Signed-off-by: Chao Yu <yuchao0@huawei.com>
[Chao Yu: use INMEM_INVALIDATE for better tracing]
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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SOF_TIMESTAMPING_OPT_STATS can be enabled and disabled
while packets are collected on the error queue.
So, checking SOF_TIMESTAMPING_OPT_STATS in sk->sk_tsflags
is not enough to safely assume that the skb contains
OPT_STATS data.
Add a bit in sock_exterr_skb to indicate whether the
skb contains opt_stats data.
Fixes: 1c885808e456 ("tcp: SOF_TIMESTAMPING_OPT_STATS option for SO_TIMESTAMPING")
Reported-by: JongHwan Kim <zzoru007@gmail.com>
Signed-off-by: Soheil Hassas Yeganeh <soheil@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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As tp->dst_pending_confirm's value can only be set 0 or 1, this
patch is to change to define it as a bit instead of __u32.
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add rhashtable_lookup_get_insert_fast for fixed keys, similar to
rhashtable_lookup_get_insert_key for explicit keys.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/dt
Renesas ARM Based SoC DT Updates for v4.12
Cleanup:
* Drop superfluous status update for frequency override on various boards
* Always use status "okay" to enable devices on porger board
* Add INTC-SYS clock to device tree of various SoCs
* Tidyup Audio-DMAC channel for DVC on r8a779[013] SoCs
* Remove unit-address and reg from integrated cache on various SoCs
* Switch from ARCH_SHMOBILE_MULTI to ARCH_RENESAS
* Fix SCIFB0 dmas indentation on r8a774[35] SoCs
Enhancements:
* Add watchdog timer to r7s72100 SoC
* Update sdhi clock bindings on r7s72100 SoC
* tag 'renesas-dt-for-v4.12' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas: (31 commits)
ARM: dts: silk: Drop superfluous status update for frequency override
ARM: dts: alt: Drop superfluous status update for frequency override
ARM: dts: gose: Drop superfluous status update for frequency override
ARM: dts: porter: Drop superfluous status update for frequency override
ARM: dts: koelsch: Drop superfluous status updates for frequency overrides
ARM: dts: lager: Drop superfluous status update for frequency override
ARM: dts: marzen: Drop superfluous status update for frequency override
ARM: dts: bockw: Drop superfluous status update for frequency override
ARM: dts: porter: Always use status "okay" to enable devices
ARM: dts: r8a7793: Add INTC-SYS clock to device tree
ARM: dts: r8a7793: Tidyup Audio-DMAC channel for DVC
ARM: dts: r8a7791: Tidyup Audio-DMAC channel for DVC
ARM: dts: r8a7794: Add INTC-SYS clock to device tree
ARM: dts: r8a7792: Add INTC-SYS clock to device tree
ARM: dts: r8a7791: Add INTC-SYS clock to device tree
ARM: dts: r8a7790: Add INTC-SYS clock to device tree
ARM: dts: r8a73a4: Add INTC-SYS clock to device tree
ARM: dts: r7s72100: Add watchdog timer
ARM: dts: r8a7790: Tidyup Audio-DMAC channel for DVC
ARM: dts: r8a7794: Remove unit-address and reg from integrated cache
...
Signed-off-by: Olof Johansson <olof@lixom.net>
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next/drivers
Reset controller changes for v4.12
- make reset drivers with bool Kconfig options explicitly non-modular
- fix uniphier non-static symbol warnings
- fix socfpga nr_resets property
- new drivers for the Arria10 and i.MX7 system reset controllers
- fix sunxi 64-bit compilation
* tag 'reset-for-4.12-1' of git://git.pengutronix.de/git/pza/linux:
reset: sunxi: fix for 64-bit compilation
reset: Add Altera Arria10 SR Reset Controller
dt-bindings: reset: a10sr: Add Arria10 SR Reset Controller offsets
reset: Add i.MX7 SRC reset driver
reset-socfpga: Fix nr_resets property
reset: uniphier: fix non static symbol warnings
reset: pistachio: make it explicitly non-modular
reset: ath79: make it explicitly non-modular
reset: oxnas: make it explicitly non-modular
reset: meson: make it explicitly non-modular
Signed-off-by: Olof Johansson <olof@lixom.net>
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into fixes
Reset controller fixes for v4.11
Fix optional reset_control_get_stubs to return NULL and remove warnings
from reset_control_* stubs.
This fixes commit bb475230b8e5 ("reset: make optional functions really
optional"), which was merged in reset-for-4.11, and would cause consumer
drivers depending on the new behaviour of optional resets to fail probing
if RESET_CONTROLLER Kconfig option is disabled.
* tag 'reset-fixes-for-4.11' of git://git.pengutronix.de/git/pza/linux:
reset: fix optional reset_control_get stubs to return NULL
Signed-off-by: Olof Johansson <olof@lixom.net>
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This patch adds the configuration of RX queues' routing.
Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds the configuration of RX and TX queues' priority.
Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The function usbnet_{get|set}_settings is no longer used,
so we remove it.
Signed-off-by: Philippe Reynes <tremyfr@gmail.com>
Acked-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The ethtool api {get|set}_settings is deprecated.
We add the new api {get|set}_link_ksettings to this driver.
As I don't have the hardware, I'd be very pleased if
someone may test this patch.
Signed-off-by: Philippe Reynes <tremyfr@gmail.com>
Acked-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds support for ECMP hash policy choice via a new sysctl
called fib_multipath_hash_policy and also adds support for L4 hashes.
The current values for fib_multipath_hash_policy are:
0 - layer 3 (default)
1 - layer 4
If there's an skb hash already set and it matches the chosen policy then it
will be used instead of being calculated (currently only for L4).
In L3 mode we always calculate the hash due to the ICMP error special
case, the flow dissector's field consistentification should handle the
address order thus we can remove the address reversals.
If the skb is provided we always use it for the hash calculation,
otherwise we fallback to fl4, that is if skb is NULL fl4 has to be set.
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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To allow canceling all packets of a connection.
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Jorgen Hansen <jhansen@vmware.com>
Signed-off-by: Peng Tao <bergwolf@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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So that we can cancel a queued pkt later if necessary.
Signed-off-by: Peng Tao <bergwolf@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pablo Neira Ayuso says:
====================
Netfilter/IPVS updates for net-next
The following patchset contains Netfilter/IPVS updates for your
net-next tree. A couple of new features for nf_tables, and unsorted
cleanups and incremental updates for the Netfilter tree. More
specifically, they are:
1) Allow to check for TCP option presence via nft_exthdr, patch
from Phil Sutter.
2) Add symmetric hash support to nft_hash, from Laura Garcia Liebana.
3) Use pr_cont() in ebt_log, from Joe Perches.
4) Remove some dead code in arp_tables reported via static analysis
tool, from Colin Ian King.
5) Consolidate nf_tables expression validation, from Liping Zhang.
6) Consolidate set lookup via nft_set_lookup().
7) Remove unnecessary rcu read lock side in bridge netfilter, from
Florian Westphal.
8) Remove unused variable in nf_reject_ipv4, from Tahee Yoo.
9) Pass nft_ctx struct to object initialization indirections, from
Florian Westphal.
10) Add code to integrate conntrack helper into nf_tables, also from
Florian.
11) Allow to check if interface index or name exists via
NFTA_FIB_F_PRESENT, from Phil Sutter.
12) Simplify resolve_normal_ct(), from Florian.
13) Use per-limit spinlock in nft_limit and xt_limit, from Liping Zhang.
14) Use rwlock in nft_set_rbtree set, also from Liping Zhang.
15) One patch to remove a useless printk at netns init path in ipvs,
and several patches to document IPVS knobs.
16) Use refcount_t for reference counter in the Netfilter/IPVS code,
from Elena Reshetova.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO fixes from Linus Walleij:
"Here is the first set of GPIO fixes for 4.11. It was delayed a bit
beacuse I was chicken when linux-next was not rotating last week.
This hits the ST serial driver in drivers/tty/serial and that has an
ACK from Greg, he suggested to keep the old GPIO fwnode API around to
smoothen things in the merge Windod and those have now served their
purpose so we take them out and convert the last driver to the new
API.
Apart from that it's fixes as usual.
Summary:
- set the parent on the Altera A10SR driver, also fix high level
IRQs.
- fix error path on the mockup driver.
- compilation noise about unused functions fixed.
- fix missed interrupts on the MCP23S08 expander, this is also tagged
for stable.
- retire the interrim helpers devm_get_gpiod_from_child() used to
smoothen merging in the merge window"
* tag 'gpio-v4.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
gpio:mcp23s08 Fixed missing interrupts
serial: st-asc: Use new GPIOD API to obtain RTS pin
gpio: altera: Use handle_level_irq when configured as a level_high
gpio: xgene: mark PM functions as __maybe_unused
gpio: mockup: return -EFAULT if copy_from_user() fails
gpio: altera-a10sr: Set gpio_chip parent property
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When RESET_CONTROLLER is not enabled, the optional reset_control_get
stubs should now also return NULL.
Since it is now valid for reset_control_assert/deassert/reset/status/put
to be called unconditionally, with NULL as an argument for optional
resets, the stubs are not allowed to warn anymore.
Fixes: bb475230b8e5 ("reset: make optional functions really optional")
Reported-by: Andrzej Hajda <a.hajda@samsung.com>
Tested-by: Andrzej Hajda <a.hajda@samsung.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Cc: Ramiro Oliveira <Ramiro.Oliveira@synopsys.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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