| Commit message (Collapse) | Author | Age | Files | Lines |
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Pull audit updates from Eric Paris:
"So this change across a whole bunch of arches really solves one basic
problem. We want to audit when seccomp is killing a process. seccomp
hooks in before the audit syscall entry code. audit_syscall_entry
took as an argument the arch of the given syscall. Since the arch is
part of what makes a syscall number meaningful it's an important part
of the record, but it isn't available when seccomp shoots the
syscall...
For most arch's we have a better way to get the arch (syscall_get_arch)
So the solution was two fold: Implement syscall_get_arch() everywhere
there is audit which didn't have it. Use syscall_get_arch() in the
seccomp audit code. Having syscall_get_arch() everywhere meant it was
a useless flag on the stack and we could get rid of it for the typical
syscall entry.
The other changes inside the audit system aren't grand, fixed some
records that had invalid spaces. Better locking around the task comm
field. Removing some dead functions and structs. Make some things
static. Really minor stuff"
* git://git.infradead.org/users/eparis/audit: (31 commits)
audit: rename audit_log_remove_rule to disambiguate for trees
audit: cull redundancy in audit_rule_change
audit: WARN if audit_rule_change called illegally
audit: put rule existence check in canonical order
next: openrisc: Fix build
audit: get comm using lock to avoid race in string printing
audit: remove open_arg() function that is never used
audit: correct AUDIT_GET_FEATURE return message type
audit: set nlmsg_len for multicast messages.
audit: use union for audit_field values since they are mutually exclusive
audit: invalid op= values for rules
audit: use atomic_t to simplify audit_serial()
kernel/audit.c: use ARRAY_SIZE instead of sizeof/sizeof[0]
audit: reduce scope of audit_log_fcaps
audit: reduce scope of audit_net_id
audit: arm64: Remove the audit arch argument to audit_syscall_entry
arm64: audit: Add audit hook in syscall_trace_enter/exit()
audit: x86: drop arch from __audit_syscall_entry() interface
sparc: implement is_32bit_task
sparc: properly conditionalize use of TIF_32BIT
...
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openrisc:defconfig fails to build in next-20140926 with the following error.
In file included from arch/openrisc/kernel/signal.c:31:0:
./arch/openrisc/include/asm/syscall.h: In function 'syscall_get_arch':
./arch/openrisc/include/asm/syscall.h:77:9: error: 'EM_OPENRISC' undeclared
Fix by moving EM_OPENRISC to include/uapi/linux/elf-em.h.
Fixes: ce5d112827e5 ("ARCH: AUDIT: implement syscall_get_arch for all arches")
Cc: Eric Paris <eparis@redhat.com>
Cc: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Eric Paris <eparis@redhat.com>
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For all arches which support audit implement syscall_get_arch()
They are all pretty easy and straight forward, stolen from how the call
to audit_syscall_entry() determines the arch.
Based-on-patch-by: Richard Briggs <rgb@redhat.com>
Signed-off-by: Eric Paris <eparis@redhat.com>
Cc: linux-ia64@vger.kernel.org
Cc: microblaze-uclinux@itee.uq.edu.au
Cc: linux-mips@linux-mips.org
Cc: linux@lists.openrisc.net
Cc: linux-parisc@vger.kernel.org
Cc: linuxppc-dev@lists.ozlabs.org
Cc: sparclinux@vger.kernel.org
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The kernel only uses struct audit_rule_data. We dropped support for
struct audit_rule a long time ago. Drop the definition in the header
file.
Signed-off-by: Eric Paris <eparis@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device-mapper updates from Mike Snitzer:
"I rebased the DM tree ontop of linux-block.git's 'for-3.18/core' at
the beginning of October because DM core now depends on the newly
introduced bioset_create_nobvec() interface.
Summary:
- fix DM's long-standing excessive use of memory by leveraging the
new bioset_create_nobvec() interface when creating the DM's bioset
- fix a few bugs in dm-bufio and dm-log-userspace
- add DM core support for a DM multipath use-case that requires
loading DM tables that contain devices that have failed (by
allowing active and inactive DM tables to share dm_devs)
- add discard support to the DM raid target; like MD raid456 the user
must opt-in to raid456 discard support be specifying the
devices_handle_discard_safely=Y module param"
* tag 'dm-3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm log userspace: fix memory leak in dm_ulog_tfr_init failure path
dm bufio: when done scanning return from __scan immediately
dm bufio: update last_accessed when relinking a buffer
dm raid: add discard support for RAID levels 4, 5 and 6
dm raid: add discard support for RAID levels 1 and 10
dm: allow active and inactive tables to share dm_devs
dm mpath: stop queueing IO when no valid paths exist
dm: use bioset_create_nobvec()
dm: remove nr_iovecs parameter from alloc_tio()
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Until this change, when loading a new DM table, DM core would re-open
all of the devices in the DM table. Now, DM core will avoid redundant
device opens (and closes when destroying the old table) if the old
table already has a device open using the same mode. This is achieved
by managing reference counts on the table_devices that DM core now
stores in the mapped_device structure (rather than in the dm_table
structure). So a mapped_device's active and inactive dm_tables' dm_dev
lists now just point to the dm_devs stored in the mapped_device's
table_devices list.
This improvement in DM core's device reference counting has the
side-effect of fixing a long-standing limitation of the multipath
target: a DM multipath table couldn't include any paths that were unusable
(failed). For example: if all paths have failed and you add a new,
working, path to the table; you can't use it since the table load would
fail due to it still containing failed paths. Now a re-load of a
multipath table can include failed devices and when those devices become
active again they can be used instantly.
The device list code in dm.c isn't a straight copy/paste from the code in
dm-table.c, but it's very close (aside from some variable renames). One
subtle difference is that find_table_device for the tables_devices list
will only match devices with the same name and mode. This is because we
don't want to upgrade a device's mode in the active table when an
inactive table is loaded.
Access to the mapped_device structure's tables_devices list requires a
mutex (tables_devices_lock), so that tables cannot be created and
destroyed concurrently.
Signed-off-by: Benjamin Marzinski <bmarzins@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
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Pull md updates from Neil Brown:
- a few minor bug fixes
- quite a lot of code tidy-up and simplification
- remove PRINT_RAID_DEBUG ioctl. I'm fairly sure it is unused, and it
isn't particularly useful.
* tag 'md/3.18' of git://neil.brown.name/md: (21 commits)
lib/raid6: Add log level to printks
md: move EXPORT_SYMBOL to after function in md.c
md: discard PRINT_RAID_DEBUG ioctl
md: remove MD_BUG()
md: clean up 'exit' labels in md_ioctl().
md: remove unnecessary test for MD_MAJOR in md_ioctl()
md: don't allow "-sync" to be set for device in an active array.
md: remove unwanted white space from md.c
md: don't start resync thread directly from md thread.
md: Just use RCU when checking for overlap between arrays.
md: avoid potential long delay under pers_lock
md: simplify export_array()
md: discard find_rdev_nr in favour of find_rdev_nr_rcu
md: use wait_event() to simplify md_super_wait()
md: be more relaxed about stopping an array which isn't started.
md/raid1: process_checks doesn't use its return value.
md/raid5: fix init_stripe() inconsistencies
md/raid10: another memory leak due to reshape.
md: use set_bit/clear_bit instead of shift/mask for bi_flags changes.
md/raid1: minor typos and reformatting.
...
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All the interesting information printed by this ioctl
is provided in /proc/mdstat and/or sysfs.
So it isn't needed and isn't used and would be best if it didn't
exist.
Signed-off-by: NeilBrown <neilb@suse.de>
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Pull networking fixes from David Miller:
1) Include fixes for netrom and dsa (Fabian Frederick and Florian
Fainelli)
2) Fix FIXED_PHY support in stmmac, from Giuseppe CAVALLARO.
3) Several SKB use after free fixes (vxlan, openvswitch, vxlan,
ip_tunnel, fou), from Li ROngQing.
4) fec driver PTP support fixes from Luwei Zhou and Nimrod Andy.
5) Use after free in virtio_net, from Michael S Tsirkin.
6) Fix flow mask handling for megaflows in openvswitch, from Pravin B
Shelar.
7) ISDN gigaset and capi bug fixes from Tilman Schmidt.
8) Fix route leak in ip_send_unicast_reply(), from Vasily Averin.
9) Fix two eBPF JIT bugs on x86, from Alexei Starovoitov.
10) TCP_SKB_CB() reorganization caused a few regressions, fixed by Cong
Wang and Eric Dumazet.
11) Don't overwrite end of SKB when parsing malformed sctp ASCONF
chunks, from Daniel Borkmann.
12) Don't call sock_kfree_s() with NULL pointers, this function also has
the side effect of adjusting the socket memory usage. From Cong Wang.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (90 commits)
bna: fix skb->truesize underestimation
net: dsa: add includes for ethtool and phy_fixed definitions
openvswitch: Set flow-key members.
netrom: use linux/uaccess.h
dsa: Fix conversion from host device to mii bus
tipc: fix bug in bundled buffer reception
ipv6: introduce tcp_v6_iif()
sfc: add support for skb->xmit_more
r8152: return -EBUSY for runtime suspend
ipv4: fix a potential use after free in fou.c
ipv4: fix a potential use after free in ip_tunnel_core.c
hyperv: Add handling of IP header with option field in netvsc_set_hash()
openvswitch: Create right mask with disabled megaflows
vxlan: fix a free after use
openvswitch: fix a use after free
ipv4: dst_entry leak in ip_send_unicast_reply()
ipv4: clean up cookie_v4_check()
ipv4: share tcp_v4_save_options() with cookie_v4_check()
ipv4: call __ip_options_echo() in cookie_v4_check()
atm: simplify lanai.c by using module_pci_driver
...
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userspace programs that use eBPF instruction macros need to include two files:
uapi/linux/filter.h and uapi/linux/bpf.h
Move common macro definitions that are shared between classic BPF and eBPF
into uapi/linux/bpf_common.h, so that user app can include only one bpf.h file
Cc: Daniel Borkmann <dborkman@redhat.com>
Signed-off-by: Alexei Starovoitov <ast@plumgrid.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull drm updates from Dave Airlie:
"This is the main git pull for the drm,
I pretty much froze major pulls at -rc5/6 time, and haven't had much
fallout, so will probably continue doing that.
Lots of changes all over, big internal header cleanup to make it clear
drm features are legacy things and what are things that modern KMS
drivers should be using. Also big move to use the new generic fences
in all the TTM drivers.
core:
atomic prep work,
vblank rework changes, allows immediate vblank disables
major header reworking and cleanups to better delinate legacy
interfaces from what KMS drivers should be using.
cursor planes locking fixes
ttm:
move to generic fences (affects all TTM drivers)
ppc64 caching fixes
radeon:
userptr support,
uvd for old asics,
reset rework for fence changes
better buffer placement changes,
dpm feature enablement
hdmi audio support fixes
intel:
Cherryview work,
180 degree rotation,
skylake prep work,
execlist command submission
full ppgtt prep work
cursor improvements
edid caching,
vdd handling improvements
nouveau:
fence reworking
kepler memory clock work
gt21x clock work
fan control improvements
hdmi infoframe fixes
DP audio
ast:
ppc64 fixes
caching fix
rcar:
rcar-du DT support
ipuv3:
prep work for capture support
msm:
LVDS support for mdp4, new panel, gpu refactoring
exynos:
exynos3250 SoC support, drop bad mmap interface,
mipi dsi changes, and component match support"
* 'drm-next' of git://people.freedesktop.org/~airlied/linux: (640 commits)
drm/mst: rework payload table allocation to conform better.
drm/ast: Fix HW cursor image
drm/radeon/kv: add uvd/vce info to dpm debugfs output
drm/radeon/ci: add uvd/vce info to dpm debugfs output
drm/radeon: export reservation_object from dmabuf to ttm
drm/radeon: cope with foreign fences inside the reservation object
drm/radeon: cope with foreign fences inside display
drm/core: use helper to check driver features
drm/radeon/cik: write gfx ucode version to ucode addr reg
drm/radeon/si: print full CS when we hit a packet 0
drm/radeon: remove unecessary includes
drm/radeon/combios: declare legacy_connector_convert as static
drm/radeon/atombios: declare connector convert tables as static
drm/radeon: drop btc_get_max_clock_from_voltage_dependency_table
drm/radeon/dpm: drop clk/voltage dependency filters for BTC
drm/radeon/dpm: drop clk/voltage dependency filters for CI
drm/radeon/dpm: drop clk/voltage dependency filters for SI
drm/radeon/dpm: drop clk/voltage dependency filters for NI
drm/radeon: disable audio when we disable hdmi (v2)
drm/radeon: split audio enable between eg and r600 (v2)
...
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This patch removes DRM_EXYNOS_GEM_MMAP ictrl feature specific
to Exynos drm and instead uses drm generic mmap.
We had used the interface specific to Exynos drm to do mmap directly,
not to use demand paging which maps each page with physical memory
at page fault handler. We don't need the specific mmap interface
because the drm generic mmap which uses vm offset manager stuff can
also do mmap directly.
This patch makes a userspace region to be mapped with whole physical
memory region allocated by userspace request when mmap system call is
requested.
Changelog v2:
- do not set VM_IO, VM_DONTEXPEND and VM_DONTDUMP. These flags were already
set by drm_gem_mmap
- do not include <linux/anon_inodes.h>, which isn't needed anymore.
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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This interface and relevant codes aren't used anymore.
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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This is requested to get the fixes for intel and radeon into the
same tree for future development work.
i915_display.c: fix missing dev_priv conflict.
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The userspace drm.h include doesn't prefix the drm directory. This can lead
to compile failures as /usr/include/drm/ isn't in the standard gcc include
paths. Fix it to be <drm/drm.h>, which matches the rest of the driver drm
header files that get installed into /usr/include/drm.
Red Hat Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1138759
Fixes: 1d7a5cbf8f74e
Reported-by: Jeffrey Bastian <jbastian@redhat.com>
Signed-off-by: Josh Boyer <jwboyer@fedoraproject.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Allows pinning of buffers in the non-CPU visible portion of
vram.
v2: incorporate Michel's comments.
v3: rebase on Michel's patch
v4: rebase on Michel's v2 patch
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
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This flag is a hint that userspace expects the BO to be accessed by the
CPU. We can use that hint to prevent such BOs from ever being stored in
the CPU inaccessible part of VRAM.
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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into drm-next
radeon userptr support.
* 'drm-next-3.18' of git://people.freedesktop.org/~agd5f/linux:
drm/radeon: allow userptr write access under certain conditions
drm/radeon: add userptr flag to register MMU notifier v3
drm/radeon: add userptr flag to directly validate the BO to GTT
drm/radeon: add userptr flag to limit it to anonymous memory v2
drm/radeon: add userptr support v8
Conflicts:
drivers/gpu/drm/radeon/radeon_prime.c
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Whenever userspace mapping related to our userptr change
we wait for it to become idle and unmap it from GTT.
v2: rebased, fix mutex unlock in error path
v3: improve commit message
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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This way we test userptr availability at BO creation time instead of first use.
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Avoid problems with writeback by limiting userptr to anonymous memory.
v2: add commit and code comments
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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This patch adds an IOCTL for turning a pointer supplied by
userspace into a buffer object.
It imposes several restrictions upon the memory being mapped:
1. It must be page aligned (both start/end addresses, i.e ptr and size).
2. It must be normal system memory, not a pointer into another map of IO
space (e.g. it must not be a GTT mmapping of another object).
3. The BO is mapped into GTT, so the maximum amount of memory mapped at
all times is still the GTT limit.
4. The BO is only mapped readonly for now, so no write support.
5. List of backing pages is only acquired once, so they represent a
snapshot of the first use.
Exporting and sharing as well as mapping of buffer objects created by
this function is forbidden and results in an -EPERM.
v2: squash all previous changes into first public version
v3: fix tabs, map readonly, don't use MM callback any more
v4: set TTM_PAGE_FLAG_SG so that TTM never messes with the pages,
pin/unpin pages on bind/unbind instead of populate/unpopulate
v5: rebased on 3.17-wip, IOCTL renamed to userptr, reject any unknown
flags, better handle READONLY flag, improve permission check
v6: fix ptr cast warning, use set_page_dirty/mark_page_accessed on unpin
v7: add warning about it's availability in the API definition
v8: drop access_ok check, fix VM mapping bits
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com> (v4)
Reviewed-by: Jérôme Glisse <jglisse@redhat.com> (v4)
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 updates from Martin Schwidefsky:
"This patch set contains the main portion of the changes for 3.18 in
regard to the s390 architecture. It is a bit bigger than usual,
mainly because of a new driver and the vector extension patches.
The interesting bits are:
- Quite a bit of work on the tracing front. Uprobes is enabled and
the ftrace code is reworked to get some of the lost performance
back if CONFIG_FTRACE is enabled.
- To improve boot time with CONFIG_DEBIG_PAGEALLOC, support for the
IPTE range facility is added.
- The rwlock code is re-factored to improve writer fairness and to be
able to use the interlocked-access instructions.
- The kernel part for the support of the vector extension is added.
- The device driver to access the CD/DVD on the HMC is added, this
will hopefully come in handy to improve the installation process.
- Add support for control-unit initiated reconfiguration.
- The crypto device driver is enhanced to enable the additional AP
domains and to allow the new crypto hardware to be used.
- Bug fixes"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (39 commits)
s390/ftrace: simplify enabling/disabling of ftrace_graph_caller
s390/ftrace: remove 31 bit ftrace support
s390/kdump: add support for vector extension
s390/disassembler: add vector instructions
s390: add support for vector extension
s390/zcrypt: Toleration of new crypto hardware
s390/idle: consolidate idle functions and definitions
s390/nohz: use a per-cpu flag for arch_needs_cpu
s390/vtime: do not reset idle data on CPU hotplug
s390/dasd: add support for control unit initiated reconfiguration
s390/dasd: fix infinite loop during format
s390/mm: make use of ipte range facility
s390/setup: correct 4-level kernel page table detection
s390/topology: call set_sched_topology early
s390/uprobes: architecture backend for uprobes
s390/uprobes: common library for kprobes and uprobes
s390/rwlock: use the interlocked-access facility 1 instructions
s390/rwlock: improve writer fairness
s390/rwlock: remove interrupt-enabling rwlock variant.
s390/mm: remove change bit override support
...
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The vector extension introduces 32 128-bit vector registers and a set of
instruction to operate on the vector registers.
The kernel can control the use of vector registers for the problem state
program with a bit in control register 0. Once enabled for a process the
kernel needs to retain the content of the vector registers on context
switch. The signal frame is extended to include the vector registers.
Two new register sets NT_S390_VXRS_LOW and NT_S390_VXRS_HIGH are added
to the regset interface for the debugger and core dumps.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Pull networking fixes from David Miller:
"This set fixes a bunch of fallout from the changes that went in during
this merge window, particularly:
- Fix fsl_pq_mdio (Claudiu Manoil) and fm10k (Pranith Kumar) build
failures.
- Several networking drivers do atomic_set() on page counts where
that's not exactly legal. From Eric Dumazet.
- Make __skb_flow_get_ports() work cleanly with unaligned data, from
Alexander Duyck.
- Fix some kernel-doc buglets in rfkill and netlabel, from Fabian
Frederick.
- Unbalanced enable_irq_wake usage in bcmgenet and systemport
drivers, from Florian Fainelli.
- pxa168_eth needs to depend on HAS_DMA, from Geert Uytterhoeven.
- Multi-dequeue in the qdisc layer severely bypasses the fairness
limits the previous code used to enforce, reintroduce in a way that
at the same time doesn't compromise bulk dequeue opportunities.
From Jesper Dangaard Brouer.
- macvlan receive path unnecessarily hops through a softirq by using
netif_rx() instead of netif_receive_skb(). From Jason Baron"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (51 commits)
net: systemport: avoid unbalanced enable_irq_wake calls
net: bcmgenet: avoid unbalanced enable_irq_wake calls
net: bcmgenet: fix off-by-one in incrementing read pointer
net: fix races in page->_count manipulation
mlx4: fix race accessing page->_count
ixgbe: fix race accessing page->_count
igb: fix race accessing page->_count
fm10k: fix race accessing page->_count
net/phy: micrel: Add clock support for KSZ8021/KSZ8031
flow-dissector: Fix alignment issue in __skb_flow_get_ports
net: filter: fix the comments
Documentation: replace __sk_run_filter with __bpf_prog_run
macvlan: optimize the receive path
macvlan: pass 'bool' type to macvlan_count_rx()
drivers: net: xgene: Add 10GbE ethtool support
drivers: net: xgene: Add 10GbE support
drivers: net: xgene: Preparing for adding 10GbE support
dtb: Add 10GbE node to APM X-Gene SoC device tree
Documentation: dts: Update section header for APM X-Gene
MAINTAINERS: Update APM X-Gene section
...
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Pablo Neira Ayuso says:
====================
Netfilter fixes for net-next
This batch contains two fixes for what you have in your net-next,
they are:
1) Remove nf_send_reset6() from header file. This function now resides
in the nf_reject_ipv6 module. Reported by Eric Dumazet.
2) Fix wrong NFT_REJECT_ICMPX_MAX definition and adjust code to fix
errors reported by Dan Carpenter's static analysis tools.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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NFT_REJECT_ICMPX_MAX should be __NFT_REJECT_ICMPX_MAX - 1.
nft_reject_icmp_code() and nft_reject_icmpv6_code() are called from the
packet path, so BUG_ON in case we try to access an unknown abstracted
ICMP code. This should not happen since we already validate this from
nft_reject_{inet,bridge}_init().
Fixes: 51b0a5d ("netfilter: nft_reject: introduce icmp code abstraction for inet and bridge")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/mpe/linux
Pull powerpc updates from Michael Ellerman:
"Here's a first pull request for powerpc updates for 3.18.
The bulk of the additions are for the "cxl" driver, for IBM's Coherent
Accelerator Processor Interface (CAPI). Most of it's in drivers/misc,
which Greg & Arnd maintain, Greg said he was happy for us to take it
through our tree.
There's the usual minor cleanups and fixes, including a bit of noise
in drivers from some of those. A bunch of updates to our EEH code,
which has been getting more testing. Several nice speedups from
Anton, including 20% in clear_page().
And a bunch of updates for freescale from Scott"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mpe/linux: (130 commits)
cxl: Fix afu_read() not doing finish_wait() on signal or non-blocking
cxl: Add documentation for userspace APIs
cxl: Add driver to Kbuild and Makefiles
cxl: Add userspace header file
cxl: Driver code for powernv PCIe based cards for userspace access
cxl: Add base builtin support
powerpc/mm: Add hooks for cxl
powerpc/opal: Add PHB to cxl mode call
powerpc/mm: Add new hash_page_mm()
powerpc/powerpc: Add new PCIe functions for allocating cxl interrupts
cxl: Add new header for call backs and structs
powerpc/powernv: Split out set MSI IRQ chip code
powerpc/mm: Export mmu_kernel_ssize and mmu_linear_psize
powerpc/msi: Improve IRQ bitmap allocator
powerpc/cell: Make spu_flush_all_slbs() generic
powerpc/cell: Move data segment faulting code out of cell platform
powerpc/cell: Move spu_handle_mm_fault() out of cell platform
powerpc/pseries: Use new defines when calling H_SET_MODE
powerpc: Update contact info in Documentation files
powerpc/perf/hv-24x7: Simplify catalog_read()
...
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This documentation gives an overview of the hardware architecture, userspace
APIs via /dev/cxl/afuM.N and the syfs files. It also adds a MAINTAINERS file
entry for cxl.
Signed-off-by: Ian Munsie <imunsie@au1.ibm.com>
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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This adds a header file for use by userspace programs wanting to interact with
the kernel cxl driver. It defines structs and magic numbers required for
userspace to interact with devices in /dev/cxl/afuM.N.
Further documentation on this interface is added in a subsequent patch in
Documentation/powerpc/cxl.txt.
It also adds this new userspace header file to Kbuild so it's exported when
doing "make headers_installs".
Signed-off-by: Ian Munsie <imunsie@au1.ibm.com>
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Pull VFIO updates from Alex Williamson:
- Nested IOMMU extension to type1 (Will Deacon)
- Restore MSIx message before enabling (Gavin Shan)
- Fix remove path locking (Alex Williamson)
* tag 'vfio-v3.18-rc1' of git://github.com/awilliam/linux-vfio:
vfio-pci: Fix remove path locking
drivers/vfio: Export vfio_spapr_iommu_eeh_ioctl() with GPL
vfio/pci: Restore MSIx message prior to enabling
PCI: Export MSI message relevant functions
vfio/iommu_type1: add new VFIO_TYPE1_NESTING_IOMMU IOMMU type
iommu: introduce domain attribute for nesting IOMMUs
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VFIO allows devices to be safely handed off to userspace by putting
them behind an IOMMU configured to ensure DMA and interrupt isolation.
This enables userspace KVM clients, such as kvmtool and qemu, to further
map the device into a virtual machine.
With IOMMUs such as the ARM SMMU, it is then possible to provide SMMU
translation services to the guest operating system, which are nested
with the existing translation installed by VFIO. However, enabling this
feature means that the IOMMU driver must be informed that the VFIO domain
is being created for the purposes of nested translation.
This patch adds a new IOMMU type (VFIO_TYPE1_NESTING_IOMMU) to the VFIO
type-1 driver. The new IOMMU type acts identically to the
VFIO_TYPE1v2_IOMMU type, but additionally sets the DOMAIN_ATTR_NESTING
attribute on its IOMMU domains.
Cc: Joerg Roedel <joro@8bytes.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"This time it's a relatively calm update batch, but the amount isn't
too small in the end. Here we go over some highlights:
ALSA core:
- One major change is the support of nonatomic PCM operations. This
allows the trigger and other callbacks to call schedule(), which
would be useful for mailbox type communications. Already some
drivers (Digigram ones) have been converted to use together with
threaded irqs as an example.
- Improvement / fixes of DSD PCM format support
HD-audio:
- Large volume of rewrites are found in Realtek codec driver for
converting Dell and HP quirks to generic forms.
- Inverted dmic code cleanup from David.
- Realtek COEF access has been optimized.
- Now HD-audio jack infrastructure allows multiple callbacks, which
fixes / simplifies the jack-dependent power controls on STAC/IDT
and VIA codecs.
- Many additional device-specific fixups as usual
- A few deadcode cleanups, CA0132 code cleanup, etc.
ASoC:
- More componentization work from Lars-Peter, this time mainly
cleaning up the suspend and bias level transition callbacks.
- Real system support for the Intel drivers and a bunch of fixes and
enhancements for the associated CODEC drivers, this is going to
need a lot quirks over time due to the lack of any firmware
description of the boards.
- Jack detect support for simple card from Dylan Reid.
- A bunch of small fixes and enhancements for the Freescale drivers.
- New drivers for Analog Devices SSM4567, Cirrus Logic CS35L32,
Everest Semiconductor ES8328 and Freescale cards using the ASRC in
newer i.MX processors.
- A few simple-card fixes, mostly cleanups but also a fix for
interaction between GPIO 0 and simple-card.
Misc:
- Virtuoso / Oxygen updates by Clemens
- USB-audio: Yamaha MOTIF XF MIDI port name fixes
- Conversion of kernel messages to standard dev_*() in ctxfi driver"
* tag 'sound-3.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (251 commits)
ASoC: mc13783: Ensure we only try to dereference valid of_nodes
ASoC: rockchip-i2s: fix infinite loop in rockchip_snd_txctrl
ALSA: hda - Add dock port support to Thinkpad L440 (71aa:501e)
ALSA: Allow pass NULL dev for snd_pci_quirk_lookup()
ASoC: imx-es8328: Fix of_node_put() call with uninitialized object
ASoC: soc-pcm: fix sig_bits determination in soc_pcm_apply_msb()
ASoC: simple-card: Initialize headphone and mic GPIO numbers
ASoC: imx-es8328: Fix missing return code in imx_es8328_probe()
ALSA: hda - Add dock support for Thinkpad T440 (17aa:2212)
ALSA: usb: caiaq: check for cdev->n_streams > 1
ASoC: 88pm860x-codec: Fix possibly missing string termination
ASoC: core: fix use after free in snd_soc_remove_platform()
ASoC: soc-dapm: fix use after free
ALSA: hda - Make the inv dmic handling for Realtek use generic parser
ALSA: hda - Add Inverted Internal mic for Samsung Ativ book 9 (NP900X3G)
ALSA: hda - Add inverted internal mic for Asus Aspire 4830T
ASoC: Intel: byt-rt5640: fix coccinelle warnings
ASoC: fsl_esai doc: Add "fsl,vf610-esai" as compatible string
ASoC: da732x: Remove unnecessary KERN_ERR in pr_err()
ASoC: simple-card: Fix detect gpio documentation.
...
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-next
ASoC: Updates for v3.18
- More componentisation work from Lars-Peter, this time mainly
cleaning up the suspend and bias level transition callbacks.
- Real system support for the Intel drivers and a bunch of fixes and
enhancements for the associated CODEC drivers, this is going to need
a lot quirks over time due to the lack of any firmware description of
the boards.
- Jack detect support for simple card from Dylan Reid.
- A bunch of small fixes and enhancements for the Freescale drivers.
- New drivers for Analog Devices SSM4567, Cirrus Logic CS35L32, Everest
Semiconductor ES8328 and Freescale cards using the ASRC in newer i.MX
processors.
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Merging for-linus branch for syncing the latest STAC/IDT codec
changes to be affected by the upcoming hda-jack rewrites.
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devices
XMOS based USB DACs with native DSD support expose this feature via a USB
alternate setting. The audio format is either 32-bit raw or a 32-bit PCM format.
To utilize this feature on linux this patch introduces a new 32-bit DSD
sampleformat DSD_U32_LE.
A follow up patch will add a quirk for XMOS based devices to utilize the new format.
Further patches will add support to alsa-lib.
Signed-off-by: Jurgen Kramer <gtmkramer@xs4all.nl>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- new IR driver: hix5hd2-ir
- the virtual test driver (vivi) was replaced by vivid, with has an
almost complete set of features to emulate most v4l2 devices and
properly test all sorts of userspace apps
- the as102 driver had several bugs fixed and was properly split into a
frontend and a core driver. With that, it got promoted from staging
into mainstream
- one new CI driver got added for CIMaX SP2/SP2HF (sp2 driver)
- one new frontend driver for Toshiba ISDB-T/ISDB-S demod (tc90522)
- one new PCI driver for ISDB-T/ISDB-S (pt3 driver)
- saa7134 driver got support for go7007-based devices
- added a new PCI driver for Techwell 68xx chipsets (tw68)
- a new platform driver was added (coda)
- new tuner drivers: mxl301rf and qm1d1c0042
- a new DVB USB driver was added for DVBSky S860 & similar devices
- added a new SDR driver (hackrf)
- usbtv got audio support
- several platform drivers are now compiled with COMPILE_TEST
- a series of compiler fixup patches, making sparse/spatch happier with
the media stuff and removing several warnings, especially on those
platform drivers that didn't use to compile on x86
- Support for several new modern devices got added
- lots of other fixes, improvements and cleanups
* tag 'media/v3.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (544 commits)
[media] ir-hix5hd2: fix build on c6x arch
[media] pt3: fix DTV FE I2C driver load error paths
Revert "[media] media: em28xx - remove reset_resume interface"
[media] exynos4-is: fix some warnings when compiling on arm64
[media] usb drivers: use %zu instead of %zd
[media] pci drivers: use %zu instead of %zd
[media] dvb-frontends: use %zu instead of %zd
[media] s5p-mfc: Fix several printk warnings
[media] s5p_mfc_opr: Fix warnings
[media] ti-vpe: Fix typecast
[media] s3c-camif: fix dma_addr_t printks
[media] s5p_mfc_opr_v6: get rid of warnings when compiled with 64 bits
[media] s5p_mfc_opr_v5: Fix lots of warnings on x86_64
[media] em28xx: Fix identation
[media] drxd: remove a dead code
[media] saa7146: remove return after BUG()
[media] cx88: remove return after BUG()
[media] cx88: fix cards table CodingStyle
[media] radio-sf16fmr2: declare some structs as static
[media] radio-sf16fmi: declare pnp_attached as static
...
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This is detected with:
gcc-4.8.3-7.fc20.x86_64
sparse-0.5.0-3.fc20.x86_64
drivers/media/v4l2-core/v4l2-dv-timings.c:34:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:35:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:36:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:37:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:38:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:39:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:40:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:41:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:42:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:43:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:44:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:45:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:46:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:47:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:48:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:49:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:50:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:51:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:52:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:53:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:54:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:55:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:56:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:57:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:58:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:59:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:60:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:61:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:62:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:63:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:64:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:65:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:66:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:67:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:68:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:69:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:70:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:71:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:72:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:73:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:74:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:75:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:76:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:77:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:78:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:79:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:80:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:81:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:82:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:83:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:84:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:85:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:86:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:87:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:88:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:89:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:90:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:91:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:92:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:93:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:94:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:95:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:96:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:97:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:98:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:99:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:100:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:101:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:102:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:103:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:104:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:105:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:106:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:107:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:108:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:109:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:110:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:111:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:112:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:113:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:114:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:115:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:116:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:117:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:118:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:119:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:120:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:121:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:122:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:123:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:124:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:125:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:126:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:127:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:128:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:129:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:130:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:131:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:132:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:133:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:134:9: error: unknown field name in initializer
drivers/media/v4l2-core/v4l2-dv-timings.c:135:9: error: too many errors
drivers/media/usb/hdpvr/hdpvr-video.c:42:9: error: unknown field name in initializer
drivers/media/usb/hdpvr/hdpvr-video.c:43:9: error: unknown field name in initializer
drivers/media/usb/hdpvr/hdpvr-video.c:44:9: error: unknown field name in initializer
drivers/media/usb/hdpvr/hdpvr-video.c:45:9: error: unknown field name in initializer
drivers/media/usb/hdpvr/hdpvr-video.c:46:9: error: unknown field name in initializer
drivers/media/usb/hdpvr/hdpvr-video.c:47:9: error: unknown field name in initializer
drivers/media/usb/hdpvr/hdpvr-video.c:48:9: error: unknown field name in initializer
drivers/media/usb/hdpvr/hdpvr-video.c:49:9: error: unknown field name in initializer
drivers/media/platform/s5p-tv/hdmi_drv.c:484:18: error: unknown field name in initializer
drivers/media/platform/s5p-tv/hdmi_drv.c:485:18: error: unknown field name in initializer
drivers/media/platform/s5p-tv/hdmi_drv.c:486:18: error: unknown field name in initializer
drivers/media/platform/s5p-tv/hdmi_drv.c:487:18: error: unknown field name in initializer
drivers/media/platform/s5p-tv/hdmi_drv.c:488:18: error: unknown field name in initializer
drivers/media/platform/s5p-tv/hdmi_drv.c:489:18: error: unknown field name in initializer
drivers/media/platform/s5p-tv/hdmi_drv.c:490:18: error: unknown field name in initializer
drivers/media/platform/s5p-tv/hdmi_drv.c:491:18: error: unknown field name in initializer
drivers/media/platform/s5p-tv/hdmi_drv.c:492:18: error: unknown field name in initializer
drivers/media/platform/s5p-tv/hdmi_drv.c:493:18: error: unknown field name in initializer
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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The existing RGB555X pixel format is ill-defined in respect to its alpha
bit and its meaning is driver dependent. Create new standard ARGB555X
and XRGB555X variants with clearly defined meanings and make the
existing variant deprecated.
The new pixel formats 4CC values have been selected to match the DRM
4CCs for the same in-memory formats.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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The V4L2_CID_PAN_SPEED and V4L2_CID_TILT_SPEED controls allow to move the
camera by setting its rotation speed around its axis.
Signed-off-by: Vincent Palatin <vpalatin@chromium.org>
Reviewed-by: Pawel Osciak <posciak@chromium.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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There are some patches that depends on media-v3.16-rc6.
So, merge back from upstream before applying them.
* linus/master: (1123 commits)
drm/nouveau: ltc/gf100-: fix cbc issues on certain boards
drm/bochs: add missing drm_connector_register call
drm/cirrus: add missing drm_connector_register call
staging: vt6655: buffer overflow in ioctl
USB: storage: Add quirks for Entrega/Xircom USB to SCSI converters
USB: storage: Add quirk for Ariston Technologies iConnect USB to SCSI adapter
USB: storage: Add quirk for Adaptec USBConnect 2000 USB-to-SCSI Adapter
USB: EHCI: unlink QHs even after the controller has stopped
[SCSI] fix for bidi use after free
[SCSI] fix regression that accidentally disabled block-based tcq
[SCSI] libiscsi: fix potential buffer overrun in __iscsi_conn_send_pdu
drm/radeon: Fix typo 'addr' -> 'entry' in rs400_gart_set_page
drm/nouveau/runpm: fix module unload
drm/radeon/px: fix module unload
vgaswitcheroo: add vga_switcheroo_fini_domain_pm_ops
drm/radeon: don't reset dma on r6xx-evergreen init
drm/radeon: don't reset sdma on CIK init
drm/radeon: don't reset dma on NI/SI init
drm/radeon/dpm: fix resume on mullins
drm/radeon: Disable HDP flush before every CS again for < r600
...
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These are not copied to kernel space by video_usercopy, so mark them
as __user.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Add numeric definitions for menu items used in the smiapp driver's test
pattern menu.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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In many cases the test pattern has selectable values for each colour
component. Implement controls for raw bayer components. Additional controls
should be defined for colour components that are not covered by these
controls.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Merge patch-bomb from Andrew Morton:
- part of OCFS2 (review is laggy again)
- procfs
- slab
- all of MM
- zram, zbud
- various other random things: arch, filesystems.
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (164 commits)
nosave: consolidate __nosave_{begin,end} in <asm/sections.h>
include/linux/screen_info.h: remove unused ORIG_* macros
kernel/sys.c: compat sysinfo syscall: fix undefined behavior
kernel/sys.c: whitespace fixes
acct: eliminate compile warning
kernel/async.c: switch to pr_foo()
include/linux/blkdev.h: use NULL instead of zero
include/linux/kernel.h: deduplicate code implementing clamp* macros
include/linux/kernel.h: rewrite min3, max3 and clamp using min and max
alpha: use Kbuild logic to include <asm-generic/sections.h>
frv: remove deprecated IRQF_DISABLED
frv: remove unused cpuinfo_frv and friends to fix future build error
zbud: avoid accessing last unused freelist
zsmalloc: simplify init_zspage free obj linking
mm/zsmalloc.c: correct comment for fullness group computation
zram: use notify_free to account all free notifications
zram: report maximum used memory
zram: zram memory size limitation
zsmalloc: change return value unit of zs_get_total_size_bytes
zsmalloc: move pages_allocated to zs_pool
...
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Always mark pages with PageBalloon even if balloon compaction is disabled
and expose this mark in /proc/kpageflags as KPF_BALLOON.
Also this patch adds three counters into /proc/vmstat: "balloon_inflate",
"balloon_deflate" and "balloon_migrate". They accumulate balloon
activity. Current size of balloon is (balloon_inflate - balloon_deflate)
pages.
All generic balloon code now gathered under option CONFIG_MEMORY_BALLOON.
It should be selected by ballooning driver which wants use this feature.
Currently virtio-balloon is the only user.
Signed-off-by: Konstantin Khlebnikov <k.khlebnikov@samsung.com>
Cc: Rafael Aquini <aquini@redhat.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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During development of c/r we've noticed that in case if we need to support
user namespaces we face a problem with capabilities in prctl(PR_SET_MM,
...) call, in particular once new user namespace is created
capable(CAP_SYS_RESOURCE) no longer passes.
A approach is to eliminate CAP_SYS_RESOURCE check but pass all new values
in one bundle, which would allow the kernel to make more intensive test
for sanity of values and same time allow us to support checkpoint/restore
of user namespaces.
Thus a new command PR_SET_MM_MAP introduced. It takes a pointer of
prctl_mm_map structure which carries all the members to be updated.
prctl(PR_SET_MM, PR_SET_MM_MAP, struct prctl_mm_map *, size)
struct prctl_mm_map {
__u64 start_code;
__u64 end_code;
__u64 start_data;
__u64 end_data;
__u64 start_brk;
__u64 brk;
__u64 start_stack;
__u64 arg_start;
__u64 arg_end;
__u64 env_start;
__u64 env_end;
__u64 *auxv;
__u32 auxv_size;
__u32 exe_fd;
};
All members except @exe_fd correspond ones of struct mm_struct. To figure
out which available values these members may take here are meanings of the
members.
- start_code, end_code: represent bounds of executable code area
- start_data, end_data: represent bounds of data area
- start_brk, brk: used to calculate bounds for brk() syscall
- start_stack: used when accounting space needed for command
line arguments, environment and shmat() syscall
- arg_start, arg_end, env_start, env_end: represent memory area
supplied for command line arguments and environment variables
- auxv, auxv_size: carries auxiliary vector, Elf format specifics
- exe_fd: file descriptor number for executable link (/proc/self/exe)
Thus we apply the following requirements to the values
1) Any member except @auxv, @auxv_size, @exe_fd is rather an address
in user space thus it must be laying inside [mmap_min_addr, mmap_max_addr)
interval.
2) While @[start|end]_code and @[start|end]_data may point to an nonexisting
VMAs (say a program maps own new .text and .data segments during execution)
the rest of members should belong to VMA which must exist.
3) Addresses must be ordered, ie @start_ member must not be greater or
equal to appropriate @end_ member.
4) As in regular Elf loading procedure we require that @start_brk and
@brk be greater than @end_data.
5) If RLIMIT_DATA rlimit is set to non-infinity new values should not
exceed existing limit. Same applies to RLIMIT_STACK.
6) Auxiliary vector size must not exceed existing one (which is
predefined as AT_VECTOR_SIZE and depends on architecture).
7) File descriptor passed in @exe_file should be pointing
to executable file (because we use existing prctl_set_mm_exe_file_locked
helper it ensures that the file we are going to use as exe link has all
required permission granted).
Now about where these members are involved inside kernel code:
- @start_code and @end_code are used in /proc/$pid/[stat|statm] output;
- @start_data and @end_data are used in /proc/$pid/[stat|statm] output,
also they are considered if there enough space for brk() syscall
result if RLIMIT_DATA is set;
- @start_brk shown in /proc/$pid/stat output and accounted in brk()
syscall if RLIMIT_DATA is set; also this member is tested to
find a symbolic name of mmap event for perf system (we choose
if event is generated for "heap" area); one more aplication is
selinux -- we test if a process has PROCESS__EXECHEAP permission
if trying to make heap area being executable with mprotect() syscall;
- @brk is a current value for brk() syscall which lays inside heap
area, it's shown in /proc/$pid/stat. When syscall brk() succesfully
provides new memory area to a user space upon brk() completion the
mm::brk is updated to carry new value;
Both @start_brk and @brk are actively used in /proc/$pid/maps
and /proc/$pid/smaps output to find a symbolic name "heap" for
VMA being scanned;
- @start_stack is printed out in /proc/$pid/stat and used to
find a symbolic name "stack" for task and threads in
/proc/$pid/maps and /proc/$pid/smaps output, and as the same
as with @start_brk -- perf system uses it for event naming.
Also kernel treat this member as a start address of where
to map vDSO pages and to check if there is enough space
for shmat() syscall;
- @arg_start, @arg_end, @env_start and @env_end are printed out
in /proc/$pid/stat. Another access to the data these members
represent is to read /proc/$pid/environ or /proc/$pid/cmdline.
Any attempt to read these areas kernel tests with access_process_vm
helper so a user must have enough rights for this action;
- @auxv and @auxv_size may be read from /proc/$pid/auxv. Strictly
speaking kernel doesn't care much about which exactly data is
sitting there because it is solely for userspace;
- @exe_fd is referred from /proc/$pid/exe and when generating
coredump. We uses prctl_set_mm_exe_file_locked helper to update
this member, so exe-file link modification remains one-shot
action.
Still note that updating exe-file link now doesn't require sys-resource
capability anymore, after all there is no much profit in preventing setup
own file link (there are a number of ways to execute own code -- ptrace,
ld-preload, so that the only reliable way to find which exactly code is
executed is to inspect running program memory). Still we require the
caller to be at least user-namespace root user.
I believe the old interface should be deprecated and ripped off in a
couple of kernel releases if no one against.
To test if new interface is implemented in the kernel one can pass
PR_SET_MM_MAP_SIZE opcode and the kernel returns the size of currently
supported struct prctl_mm_map.
[akpm@linux-foundation.org: fix 80-col wordwrap in macro definitions]
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Cc: Kees Cook <keescook@chromium.org>
Cc: Tejun Heo <tj@kernel.org>
Acked-by: Andrew Vagin <avagin@openvz.org>
Tested-by: Andrew Vagin <avagin@openvz.org>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Cc: Pavel Emelyanov <xemul@parallels.com>
Cc: Vasiliy Kulikov <segoon@openwall.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Michael Kerrisk <mtk.manpages@gmail.com>
Cc: Julien Tinnes <jln@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI updates from Bjorn Helgaas:
"The interesting things here are:
- Turn on Config Request Retry Status Software Visibility. This
caused hangs last time, but we included a fix this time.
- Rework PCI device configuration to use _HPP/_HPX more aggressively
- Allow PCI devices to be put into D3cold during system suspend
- Add arm64 PCI support
- Add APM X-Gene host bridge driver
- Add TI Keystone host bridge driver
- Add Xilinx AXI host bridge driver
More detailed summary:
Enumeration
- Check Vendor ID only for Config Request Retry Status (Rajat Jain)
- Enable Config Request Retry Status when supported (Rajat Jain)
- Add generic domain handling (Catalin Marinas)
- Generate uppercase hex for modalias interface class (Ricardo Ribalda Delgado)
Resource management
- Add missing MEM_64 mask in pci_assign_unassigned_bridge_resources() (Yinghai Lu)
- Increase IBM ipr SAS Crocodile BARs to at least system page size (Douglas Lehr)
PCI device hotplug
- Prevent NULL dereference during pciehp probe (Andreas Noever)
- Move _HPP & _HPX handling into core (Bjorn Helgaas)
- Apply _HPP to PCIe devices as well as PCI (Bjorn Helgaas)
- Apply _HPP/_HPX to display devices (Bjorn Helgaas)
- Preserve SERR & PARITY settings when applying _HPP/_HPX (Bjorn Helgaas)
- Preserve MPS and MRRS settings when applying _HPP/_HPX (Bjorn Helgaas)
- Apply _HPP/_HPX to all devices, not just hot-added ones (Bjorn Helgaas)
- Fix wait time in pciehp timeout message (Yinghai Lu)
- Add more pciehp Slot Control debug output (Yinghai Lu)
- Stop disabling pciehp notifications during init (Yinghai Lu)
MSI
- Remove arch_msi_check_device() (Alexander Gordeev)
- Rename pci_msi_check_device() to pci_msi_supported() (Alexander Gordeev)
- Move D0 check into pci_msi_check_device() (Alexander Gordeev)
- Remove unused kobject from struct msi_desc (Yijing Wang)
- Remove "pos" from the struct msi_desc msi_attrib (Yijing Wang)
- Add "msi_bus" sysfs MSI/MSI-X control for endpoints (Yijing Wang)
- Use __get_cached_msi_msg() instead of get_cached_msi_msg() (Yijing Wang)
- Use __read_msi_msg() instead of read_msi_msg() (Yijing Wang)
- Use __write_msi_msg() instead of write_msi_msg() (Yijing Wang)
Power management
- Drop unused runtime PM support code for PCIe ports (Rafael J. Wysocki)
- Allow PCI devices to be put into D3cold during system suspend (Rafael J. Wysocki)
AER
- Add additional AER error strings (Gong Chen)
- Make <linux/aer.h> standalone includable (Thierry Reding)
Virtualization
- Add ACS quirk for Solarflare SFC9120 & SFC9140 (Alex Williamson)
- Add ACS quirk for Intel 10G NICs (Alex Williamson)
- Add ACS quirk for AMD A88X southbridge (Marti Raudsepp)
- Remove unused pci_find_upstream_pcie_bridge(), pci_get_dma_source() (Alex Williamson)
- Add device flag helpers (Ethan Zhao)
- Assume all Mellanox devices have broken INTx masking (Gavin Shan)
Generic host bridge driver
- Fix ioport_map() for !CONFIG_GENERIC_IOMAP (Liviu Dudau)
- Add pci_register_io_range() and pci_pio_to_address() (Liviu Dudau)
- Define PCI_IOBASE as the base of virtual PCI IO space (Liviu Dudau)
- Fix the conversion of IO ranges into IO resources (Liviu Dudau)
- Add pci_get_new_domain_nr() and of_get_pci_domain_nr() (Liviu Dudau)
- Add support for parsing PCI host bridge resources from DT (Liviu Dudau)
- Add pci_remap_iospace() to map bus I/O resources (Liviu Dudau)
- Add arm64 architectural support for PCI (Liviu Dudau)
APM X-Gene
- Add APM X-Gene PCIe driver (Tanmay Inamdar)
- Add arm64 DT APM X-Gene PCIe device tree nodes (Tanmay Inamdar)
Freescale i.MX6
- Probe in module_init(), not fs_initcall() (Lucas Stach)
- Delay enabling reference clock for SS until it stabilizes (Tim Harvey)
Marvell MVEBU
- Fix uninitialized variable in mvebu_get_tgt_attr() (Thomas Petazzoni)
NVIDIA Tegra
- Make sure the PCIe PLL is really reset (Eric Yuen)
- Add error path tegra_msi_teardown_irq() cleanup (Jisheng Zhang)
- Fix extended configuration space mapping (Peter Daifuku)
- Implement resource hierarchy (Thierry Reding)
- Clear CLKREQ# enable on port disable (Thierry Reding)
- Add Tegra124 support (Thierry Reding)
ST Microelectronics SPEAr13xx
- Pass config resource through reg property (Pratyush Anand)
Synopsys DesignWare
- Use NULL instead of false (Fabio Estevam)
- Parse bus-range property from devicetree (Lucas Stach)
- Use pci_create_root_bus() instead of pci_scan_root_bus() (Lucas Stach)
- Remove pci_assign_unassigned_resources() (Lucas Stach)
- Check private_data validity in single place (Lucas Stach)
- Setup and clear exactly one MSI at a time (Lucas Stach)
- Remove open-coded bitmap operations (Lucas Stach)
- Fix configuration base address when using 'reg' (Minghuan Lian)
- Fix IO resource end address calculation (Minghuan Lian)
- Rename get_msi_data() to get_msi_addr() (Minghuan Lian)
- Add get_msi_data() to pcie_host_ops (Minghuan Lian)
- Add support for v3.65 hardware (Murali Karicheri)
- Fold struct pcie_port_info into struct pcie_port (Pratyush Anand)
TI Keystone
- Add TI Keystone PCIe driver (Murali Karicheri)
- Limit MRSS for all downstream devices (Murali Karicheri)
- Assume controller is already in RC mode (Murali Karicheri)
- Set device ID based on SoC to support multiple ports (Murali Karicheri)
Xilinx AXI
- Add Xilinx AXI PCIe driver (Srikanth Thokala)
- Fix xilinx_pcie_assign_msi() return value test (Dan Carpenter)
Miscellaneous
- Clean up whitespace (Quentin Lambert)
- Remove assignments from "if" conditions (Quentin Lambert)
- Move PCI_VENDOR_ID_VMWARE to pci_ids.h (Francesco Ruggeri)
- x86: Mark DMI tables as initialization data (Mathias Krause)
- x86: Move __init annotation to the correct place (Mathias Krause)
- x86: Mark constants of pci_mmcfg_nvidia_mcp55() as __initconst (Mathias Krause)
- x86: Constify pci_mmcfg_probes[] array (Mathias Krause)
- x86: Mark PCI BIOS initialization code as such (Mathias Krause)
- Parenthesize PCI_DEVID and PCI_VPD_LRDT_ID parameters (Megan Kamiya)
- Remove unnecessary variable in pci_add_dynid() (Tobias Klauser)"
* tag 'pci-v3.18-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (109 commits)
arm64: dts: Add APM X-Gene PCIe device tree nodes
PCI: Add ACS quirk for AMD A88X southbridge devices
PCI: xgene: Add APM X-Gene PCIe driver
PCI: designware: Remove open-coded bitmap operations
PCI/MSI: Remove unnecessary temporary variable
PCI/MSI: Use __write_msi_msg() instead of write_msi_msg()
MSI/powerpc: Use __read_msi_msg() instead of read_msi_msg()
PCI/MSI: Use __get_cached_msi_msg() instead of get_cached_msi_msg()
PCI/MSI: Add "msi_bus" sysfs MSI/MSI-X control for endpoints
PCI/MSI: Remove "pos" from the struct msi_desc msi_attrib
PCI/MSI: Remove unused kobject from struct msi_desc
PCI/MSI: Rename pci_msi_check_device() to pci_msi_supported()
PCI/MSI: Move D0 check into pci_msi_check_device()
PCI/MSI: Remove arch_msi_check_device()
irqchip: armada-370-xp: Remove arch_msi_check_device()
PCI/MSI/PPC: Remove arch_msi_check_device()
arm64: Add architectural support for PCI
PCI: Add pci_remap_iospace() to map bus I/O resources
of/pci: Add support for parsing PCI host bridge resources from DT
of/pci: Add pci_get_new_domain_nr() and of_get_pci_domain_nr()
...
Conflicts:
arch/arm64/boot/dts/apm-storm.dtsi
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* pci/aer:
PCI/AER: Rename PCI_ERR_UNC_TRAIN to PCI_ERR_UNC_UND
PCI/AER: Add additional PCIe AER error strings
trace, RAS: Add additional PCIe AER error strings
trace, RAS: Replace bare numbers with #defines for PCIe AER error strings
* pci/virtualization:
PCI: Add ACS quirk for Intel 10G NICs
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In PCIe r1.0, sec 5.10.2, bit 0 of the Uncorrectable Error Status, Mask,
and Severity Registers was for "Training Error." In PCIe r1.1, sec 7.10.2,
bit 0 was redefined to be "Undefined."
Rename PCI_ERR_UNC_TRAIN to PCI_ERR_UNC_UND to reflect this change.
No functional change.
[bhelgaas: changelog]
Signed-off-by: Chen, Gong <gong.chen@linux.intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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