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The validation for it ends up being quite simple, but I hadn't got
around to it before merging the driver. For backwards compatibility,
we also need to add a flag so that the userspace GL driver can easily
tell if the kernel will allow ETC1 textures (on an old kernel, it will
continue to convert to RGBA8)
Signed-off-by: Eric Anholt <eric@anholt.net>
The sync can be - and for some panels it must be - driven on different edge
then the data.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
CC: Rob Herring <robh+dt@kernel.org>
CC: Mark Rutland <mark.rutland@arm.com>
CC: devicetree@vger.kernel.org
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
A couple of small build fixes here, nothing major. The missing include
is triggered in some configurations and the renaming of ret is defensive
for the benefit of some drivers people are in the process of mainlining.
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Merge tag 'regmap-fix-v4.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap
Pull regmap fixes from Mark Brown:
"A couple of small build fixes here, nothing major.
The missing include is triggered in some configurations and the
renaming of ret is defensive for the benefit of some drivers people
are in the process of mainlining"
* tag 'regmap-fix-v4.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
regmap: Rename ret variable in regmap_read_poll_timeout
regmap: include <linux/delay.h> from include/linux/regmap.h
Pull networking fixes from David Miller:
"Lots of fixes, mostly drivers as is usually the case.
1) Don't treat zero DMA address as invalid in vmxnet3, from Alexey
Khoroshilov.
2) Fix element timeouts in netfilter's nft_dynset, from Anders K.
Pedersen.
3) Don't put aead_req crypto struct on the stack in mac80211, from
Ard Biesheuvel.
4) Several uninitialized variable warning fixes from Arnd Bergmann.
5) Fix memory leak in cxgb4, from Colin Ian King.
6) Fix bpf handling of VLAN header push/pop, from Daniel Borkmann.
7) Several VRF semantic fixes from David Ahern.
8) Set skb->protocol properly in ip6_tnl_xmit(), from Eli Cooper.
9) Socket needs to be locked in udp_disconnect(), from Eric Dumazet.
10) Div-by-zero on 32-bit fix in mlx4 driver, from Eugenia Emantayev.
11) Fix stale link state during failover in NCSCI driver, from Gavin
Shan.
12) Fix netdev lower adjacency list traversal, from Ido Schimmel.
13) Propvide proper handle when emitting notifications of filter
deletes, from Jamal Hadi Salim.
14) Memory leaks and big-endian issues in rtl8xxxu, from Jes Sorensen.
15) Fix DESYNC_FACTOR handling in ipv6, from Jiri Bohac.
16) Several routing offload fixes in mlxsw driver, from Jiri Pirko.
17) Fix broadcast sync problem in TIPC, from Jon Paul Maloy.
18) Validate chunk len before using it in SCTP, from Marcelo Ricardo
Leitner.
19) Revert a netns locking change that causes regressions, from Paul
Moore.
20) Add recursion limit to GRO handling, from Sabrina Dubroca.
21) GFP_KERNEL in irq context fix in ibmvnic, from Thomas Falcon.
22) Avoid accessing stale vxlan/geneve socket in data path, from
Pravin Shelar"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (189 commits)
geneve: avoid using stale geneve socket.
vxlan: avoid using stale vxlan socket.
qede: Fix out-of-bound fastpath memory access
net: phy: dp83848: add dp83822 PHY support
enic: fix rq disable
tipc: fix broadcast link synchronization problem
ibmvnic: Fix missing brackets in init_sub_crq_irqs
ibmvnic: Fix releasing of sub-CRQ IRQs in interrupt context
Revert "ibmvnic: Fix releasing of sub-CRQ IRQs in interrupt context"
arch/powerpc: Update parameters for csum_tcpudp_magic & csum_tcpudp_nofold
net/mlx4_en: Save slave ethtool stats command
net/mlx4_en: Fix potential deadlock in port statistics flow
net/mlx4: Fix firmware command timeout during interrupt test
net/mlx4_core: Do not access comm channel if it has not yet been initialized
net/mlx4_en: Fix panic during reboot
net/mlx4_en: Process all completions in RX rings after port goes up
net/mlx4_en: Resolve dividing by zero in 32-bit system
net/mlx4_core: Change the default value of enable_qos
net/mlx4_core: Avoid setting ports to auto when only one port type is supported
net/mlx4_core: Fix the resource-type enum in res tracker to conform to FW spec
...
When vxlan device is closed vxlan socket is freed. This
operation can race with vxlan-xmit function which
dereferences vxlan socket. Following patch uses RCU
mechanism to avoid this situation.
Signed-off-by: Pravin B Shelar <pshelar@ovn.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently interrupt test that is part of ethtool selftest runs the
check over all interrupt vectors of the device.
In mlx4_en package part of interrupt vectors are uninitialized since
mlx4_ib doesn't exist. This causes NOP FW command to time out.
Change logic to test current port interrupt vectors only.
Signed-off-by: Eugenia Emantayev <eugenia@mellanox.com>
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
* a fix to process all events while suspending, so any
potential calls into the driver are done before it is
suspended
* small markup fixes for the sphinx documentation conversion
that's coming into the tree via the doc tree
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Merge tag 'mac80211-for-davem-2016-10-27' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211
Johannes Berg says:
====================
Just two fixes:
* a fix to process all events while suspending, so any
potential calls into the driver are done before it is
suspended
* small markup fixes for the sphinx documentation conversion
that's coming into the tree via the doc tree
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
This reverts commit e3f74b841d48
("hv_netvsc: report vmbus name in ethtool")'
because of problem introduced by commit f9a56e5d6a0ba
("Drivers: hv: make VMBus bus ids persistent").
This changed the format of the vmbus name and this new format is too
long to fit in the bus_info field of ethtool.
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In case that the kernel PCI error handlers are not called, we will
trigger our own recovery flow.
The health work will give priority to the kernel pci error handlers to
recover the PCI by waiting for a small period, if the pci error handlers
are not triggered the manual recovery flow will be executed.
We don't save pci state in case of manual recovery because it will ruin the
pci configuration space and we will lose dma sync.
Fixes: 89d44f0a6c73 ('net/mlx5_core: Add pci error handlers to mlx5_core driver')
Signed-off-by: Mohamad Haj Yahia <mohamad@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently there is a race between the health care work and the kernel
pci error handlers because both of them detect the error, the first one
to be called will do the error handling.
There is a chance that health care will disable the pci after resuming
pci slot.
Also create a separate WQ because now we will have two types of health
works, one for the error detection and one for the recovery.
Fixes: 89d44f0a6c73 ('net/mlx5_core: Add pci error handlers to mlx5_core driver')
Signed-off-by: Mohamad Haj Yahia <mohamad@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
ARM 64B cache line systems have L1_CACHE_BYTES set to 128.
cache_line_size() will return the correct size.
Fixes: cf50b5efa2fe('net/mlx5_core/ib: New device capabilities
handling.')
Signed-off-by: Daniel Jurgens <danielj@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Specifics:
- Fix three ACPICA issues related to the interpreter locking and
introduced by recent changes in that area (Lv Zheng).
- Fix a PCI IRQ management regression introduced during the 4.7
cycle and related to the configuration of shared IRQs on systems
with an ISA bus (Sinan Kaya).
- Fix up a return value of one function in the APEI code (Punit
Agrawal).
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Merge tag 'acpi-4.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fixes from Rafael Wysocki:
"These fix recent ACPICA regressions, an older PCI IRQ management
regression, and an incorrect return value of a function in the APEI
code.
Specifics:
- Fix three ACPICA issues related to the interpreter locking and
introduced by recent changes in that area (Lv Zheng).
- Fix a PCI IRQ management regression introduced during the 4.7 cycle
and related to the configuration of shared IRQs on systems with an
ISA bus (Sinan Kaya).
- Fix up a return value of one function in the APEI code (Punit
Agrawal)"
* tag 'acpi-4.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPICA: Dispatcher: Fix interpreter locking around acpi_ev_initialize_region()
ACPICA: Dispatcher: Fix an unbalanced lock exit path in acpi_ds_auto_serialize_method()
ACPICA: Dispatcher: Fix order issue of method termination
ACPI / APEI: Fix incorrect return value of ghes_proc()
ACPI/PCI: pci_link: Include PIRQ_PENALTY_PCI_USING for ISA IRQs
ACPI/PCI: pci_link: penalize SCI correctly
ACPI/PCI/IRQ: assign ISA IRQ directly during early boot stages
Pull perf fixes from Ingo Molnar:
"Misc kernel fixes: a virtualization environment related fix, an uncore
PMU driver removal handling fix, a PowerPC fix and new events for
Knights Landing"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/x86/intel: Honour the CPUID for number of fixed counters in hypervisors
perf/powerpc: Don't call perf_event_disable() from atomic context
perf/core: Protect PMU device removal with a 'pmu_bus_running' check, to fix CONFIG_DEBUG_TEST_DRIVER_REMOVE=y kernel panic
perf/x86/intel/cstate: Add C-state residency events for Knights Landing
As almost all of the callers of the regmap_read_poll_timeout macro
will include a local ret variable we will always get a Sparse warning
about the duplication of the ret variable:
warning: symbol 'ret' shadows an earlier one
Simply rename the ret variable in the marco to pollret to make this
significantly less likely to happen.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Merge tag 'drm-x86-pat-regression-fix' of git://people.freedesktop.org/~airlied/linux
Pull drm x86/pat regression fixes from Dave Airlie:
"This is a standalone pull request for the fix for a regression
introduced in -rc1 by a change to vm_insert_mixed to start using the
PAT range tracking to validate page protections. With this fix in
place, all the VRAM mappings for GPU drivers ended up at UC instead of
WC.
There are probably better ways to fix this long term, but nothing I'd
considered for -fixes that wouldn't need more settling in time. So
I've just created a new arch API that the drivers can reserve all
their VRAM aperture ranges as WC"
* tag 'drm-x86-pat-regression-fix' of git://people.freedesktop.org/~airlied/linux:
drm/drivers: add support for using the arch wc mapping API.
x86/io: add interface to reserve io memtype for a resource range. (v1.1)
The trinity syscall fuzzer triggered following WARN() on powerpc:
WARNING: CPU: 9 PID: 2998 at arch/powerpc/kernel/hw_breakpoint.c:278
...
NIP [c00000000093aedc] .hw_breakpoint_handler+0x28c/0x2b0
LR [c00000000093aed8] .hw_breakpoint_handler+0x288/0x2b0
Call Trace:
[c0000002f7933580] [c00000000093aed8] .hw_breakpoint_handler+0x288/0x2b0 (unreliable)
[c0000002f7933630] [c0000000000f671c] .notifier_call_chain+0x7c/0xf0
[c0000002f79336d0] [c0000000000f6abc] .__atomic_notifier_call_chain+0xbc/0x1c0
[c0000002f7933780] [c0000000000f6c40] .notify_die+0x70/0xd0
[c0000002f7933820] [c00000000001a74c] .do_break+0x4c/0x100
[c0000002f7933920] [c0000000000089fc] handle_dabr_fault+0x14/0x48
Followed by a lockdep warning:
===============================
[ INFO: suspicious RCU usage. ]
4.8.0-rc5+ #7 Tainted: G W
-------------------------------
./include/linux/rcupdate.h:556 Illegal context switch in RCU read-side critical section!
other info that might help us debug this:
rcu_scheduler_active = 1, debug_locks = 0
2 locks held by ls/2998:
#0: (rcu_read_lock){......}, at: [<c0000000000f6a00>] .__atomic_notifier_call_chain+0x0/0x1c0
#1: (rcu_read_lock){......}, at: [<c00000000093ac50>] .hw_breakpoint_handler+0x0/0x2b0
stack backtrace:
CPU: 9 PID: 2998 Comm: ls Tainted: G W 4.8.0-rc5+ #7
Call Trace:
[c0000002f7933150] [c00000000094b1f8] .dump_stack+0xe0/0x14c (unreliable)
[c0000002f79331e0] [c00000000013c468] .lockdep_rcu_suspicious+0x138/0x180
[c0000002f7933270] [c0000000001005d8] .___might_sleep+0x278/0x2e0
[c0000002f7933300] [c000000000935584] .mutex_lock_nested+0x64/0x5a0
[c0000002f7933410] [c00000000023084c] .perf_event_ctx_lock_nested+0x16c/0x380
[c0000002f7933500] [c000000000230a80] .perf_event_disable+0x20/0x60
[c0000002f7933580] [c00000000093aeec] .hw_breakpoint_handler+0x29c/0x2b0
[c0000002f7933630] [c0000000000f671c] .notifier_call_chain+0x7c/0xf0
[c0000002f79336d0] [c0000000000f6abc] .__atomic_notifier_call_chain+0xbc/0x1c0
[c0000002f7933780] [c0000000000f6c40] .notify_die+0x70/0xd0
[c0000002f7933820] [c00000000001a74c] .do_break+0x4c/0x100
[c0000002f7933920] [c0000000000089fc] handle_dabr_fault+0x14/0x48
While it looks like the first WARN() is probably valid, the other one is
triggered by disabling event via perf_event_disable() from atomic context.
The event is disabled here in case we were not able to emulate
the instruction that hit the breakpoint. By disabling the event
we unschedule the event and make sure it's not scheduled back.
But we can't call perf_event_disable() from atomic context, instead
we need to use the event's pending_disable irq_work method to disable it.
Reported-by: Jan Stancek <jstancek@redhat.com>
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Huang Ying <ying.huang@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Michael Neuling <mikey@neuling.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20161026094824.GA21397@krava
Signed-off-by: Ingo Molnar <mingo@kernel.org>
When changing from one data interface setting to another, one has to
ensure a specific sequence which is described in the ONFI spec.
One of these constraints is that the CE line has go high after a reset
before a command can be sent with the new data interface setting, which
is not guaranteed by the current implementation.
Rework the nand_reset() function and all the call sites to make sure the
CE line is asserted and released when required.
Also make sure to actually apply the new data interface setting on the
first die.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Fixes: d8e725dd8311 ("mtd: nand: automate NAND timings selection")
Reviewed-by: Sascha Hauer <s.hauer@pengutronix.de>
Tested-by: Marc Gonzalez <marc_gonzalez@sigmadesigns.com>
Merge misc fixes from Andrew Morton:
"20 fixes"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
drivers/misc/sgi-gru/grumain.c: remove bogus 0x prefix from printk
cris/arch-v32: cryptocop: print a hex number after a 0x prefix
ipack: print a hex number after a 0x prefix
block: DAC960: print a hex number after a 0x prefix
fs: exofs: print a hex number after a 0x prefix
lib/genalloc.c: start search from start of chunk
mm: memcontrol: do not recurse in direct reclaim
CREDITS: update credit information for Martin Kepplinger
proc: fix NULL dereference when reading /proc/<pid>/auxv
mm: kmemleak: ensure that the task stack is not freed during scanning
lib/stackdepot.c: bump stackdepot capacity from 16MB to 128MB
latent_entropy: raise CONFIG_FRAME_WARN by default
kconfig.h: remove config_enabled() macro
ipc: account for kmem usage on mqueue and msg
mm/slab: improve performance of gathering slabinfo stats
mm: page_alloc: use KERN_CONT where appropriate
mm/list_lru.c: avoid error-path NULL pointer deref
h8300: fix syscall restarting
kcov: properly check if we are in an interrupt
mm/slab: fix kmemcg cache creation delayed issue
The use of config_enabled() is ambiguous. For config options,
IS_ENABLED(), IS_REACHABLE(), etc. will make intention clearer.
Sometimes config_enabled() has been used for non-config options because
it is useful to check whether the given symbol is defined or not.
I have been tackling on deprecating config_enabled(), and now is the
time to finish this work.
Some new users have appeared for v4.9-rc1, but it is trivial to replace
them:
- arch/x86/mm/kaslr.c
replace config_enabled() with IS_ENABLED() because
CONFIG_X86_ESPFIX64 and CONFIG_EFI are boolean.
- include/asm-generic/export.h
replace config_enabled() with __is_defined().
Then, config_enabled() can be removed now.
Going forward, please use IS_ENABLED(), IS_REACHABLE(), etc. for config
options, and __is_defined() for non-config symbols.
Link: http://lkml.kernel.org/r/1476616078-32252-1-git-send-email-yamada.masahiro@socionext.com
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org>
Cc: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Kees Cook <keescook@chromium.org>
Cc: Michal Marek <mmarek@suse.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Thomas Garnier <thgarnie@google.com>
Cc: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Pull request already again to get the s/fence/dma_fence/ stuff in and
allow everyone to resync. Otherwise really just misc stuff all over, and a
new bridge driver.
* tag 'topic/drm-misc-2016-10-27' of git://anongit.freedesktop.org/git/drm-intel:
drm/bridge: fix platform_no_drv_owner.cocci warnings
drm/bridge: fix semicolon.cocci warnings
drm: Print some debug/error info during DP dual mode detect
drm: mark drm_of_component_match_add dummy inline
drm/bridge: add Silicon Image SiI8620 driver
dt-bindings: add Silicon Image SiI8620 bridge bindings
video: add header file for Mobile High-Definition Link (MHL) interface
drm: convert DT component matching to component_match_add_release()
dma-buf: Rename struct fence to dma_fence
dma-buf/fence: add an lockdep_assert_held()
drm/dp: Factor out helper to distinguish between branch and sink devices
drm/edid: Only print the bad edid when aborting
drm/msm: add missing header dependencies
drm/msm/adreno: move function declarations to header file
drm/i2c/tda998x: mark symbol static where possible
doc: add missing docbook parameter for fence-array
drm: RIP mode_config->rotation_property
drm/msm/mdp5: Advertize 180 degree rotation
drm/msm/mdp5: Use per-plane rotation property
Similar to IPv4, do not consider link state when validating next hops.
Currently, if the link is down default routes can fail to insert:
$ ip -6 ro add vrf blue default via 2100:2::64 dev eth2
RTNETLINK answers: No route to host
With this patch the command succeeds.
Fixes: 8c14586fc320 ("net: ipv6: Use passed in table for nexthop lookups")
Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
rt6_add_route_info and rt6_add_dflt_router were updated to pull the FIB
table from the device index, but the corresponding rt6_get_route_info
and rt6_get_dflt_router functions were not leading to the failure to
process RA's:
ICMPv6: RA: ndisc_router_discovery failed to add default route
Fix the 'get' functions by using the table id associated with the
device when applicable.
Also, now that default routes can be added to tables other than the
default table, rt6_purge_dflt_routers needs to be updated as well to
look at all tables. To handle that efficiently, add a flag to the table
denoting if it is has a default route via RA.
Fixes: ca254490c8dfd ("net: Add VRF support to IPv6 stack")
Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Changes in this update:
o iomap page offset masking fix for page faults
o add IOMAP_REPORT to distinguish between read and fiemap map requests
o cleanups to new shared data extent code
o fix mount active status on failed log recovery
o fix broken dquots in a buffer calculation
o fix locking order issues and merge xfs_reflink_remap_range and
xfs_file_share_range
o rework unmapping of CoW extents and remove now unused functions
o clean state when CoW is done.
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Merge tag 'xfs-fixes-for-linus-4.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/dgc/linux-xfs
Pull xfs fixes from Dave Chinner:
"This update contains fixes for most of the outstanding regressions
introduced with the 4.9-rc1 XFS merge. There is also a fix for an
iomap bug, too.
This is a quite a bit larger than I'd prefer for a -rc3, but most of
the change comes from cleaning up the new reflink copy on write code;
it's much simpler and easier to understand now. These changes fixed
several bugs in the new code, and it wasn't clear that there was an
easier/simpler way to fix them. The rest of the fixes are the usual
size you'd expect at this stage.
I've left the commits to soak in linux-next for a some extra time
because of the size before asking you to pull, no new problems with
them have been reported so I think it's all OK.
Summary:
- iomap page offset masking fix for page faults
- add IOMAP_REPORT to distinguish between read and fiemap map
requests
- cleanups to new shared data extent code
- fix mount active status on failed log recovery
- fix broken dquots in a buffer calculation
- fix locking order issues and merge xfs_reflink_remap_range and
xfs_file_share_range
- rework unmapping of CoW extents and remove now unused functions
- clean state when CoW is done"
* tag 'xfs-fixes-for-linus-4.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/dgc/linux-xfs: (25 commits)
xfs: clear cowblocks tag when cow fork is emptied
xfs: fix up inode cowblocks tracking tracepoints
fs: Do to trim high file position bits in iomap_page_mkwrite_actor
xfs: remove xfs_bunmapi_cow
xfs: optimize xfs_reflink_end_cow
xfs: optimize xfs_reflink_cancel_cow_blocks
xfs: refactor xfs_bunmapi_cow
xfs: optimize writes to reflink files
xfs: don't bother looking at the refcount tree for reads
xfs: handle "raw" delayed extents xfs_reflink_trim_around_shared
xfs: add xfs_trim_extent
iomap: add IOMAP_REPORT
xfs: merge xfs_reflink_remap_range and xfs_file_share_range
xfs: remove xfs_file_wait_for_io
xfs: move inode locking from xfs_reflink_remap_range to xfs_file_share_range
xfs: fix the same_inode check in xfs_file_share_range
xfs: remove the same fs check from xfs_file_share_range
libxfs: v3 inodes are only valid on crc-enabled filesystems
libxfs: clean up _calc_dquots_per_chunk
xfs: unset MS_ACTIVE if mount fails
...
The per-zone waitqueues exist because of a scalability issue with the
page waitqueues on some NUMA machines, but it turns out that they hurt
normal loads, and now with the vmalloced stacks they also end up
breaking gfs2 that uses a bit_wait on a stack object:
wait_on_bit(&gh->gh_iflags, HIF_WAIT, TASK_UNINTERRUPTIBLE)
where 'gh' can be a reference to the local variable 'mount_gh' on the
stack of fill_super().
The reason the per-zone hash table breaks for this case is that there is
no "zone" for virtual allocations, and trying to look up the physical
page to get at it will fail (with a BUG_ON()).
It turns out that I actually complained to the mm people about the
per-zone hash table for another reason just a month ago: the zone lookup
also hurts the regular use of "unlock_page()" a lot, because the zone
lookup ends up forcing several unnecessary cache misses and generates
horrible code.
As part of that earlier discussion, we had a much better solution for
the NUMA scalability issue - by just making the page lock have a
separate contention bit, the waitqueue doesn't even have to be looked at
for the normal case.
Peter Zijlstra already has a patch for that, but let's see if anybody
even notices. In the meantime, let's fix the actual gfs2 breakage by
simplifying the bitlock waitqueues and removing the per-zone issue.
Reported-by: Andreas Gruenbacher <agruenba@redhat.com>
Tested-by: Bob Peterson <rpeterso@redhat.com>
Acked-by: Mel Gorman <mgorman@techsingularity.net>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Steven Whitehouse <swhiteho@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
First bug was added in commit ad6f939ab193 ("ip: Add offset parameter to
ip_cmsg_recv") : Tom missed that ipv4 udp messages could be received on
AF_INET6 socket. ip_cmsg_recv(msg, skb) should have been replaced by
ip_cmsg_recv_offset(msg, skb, sizeof(struct udphdr));
Then commit e6afc8ace6dd ("udp: remove headers from UDP packets before
queueing") forgot to adjust the offsets now UDP headers are pulled
before skb are put in receive queue.
Fixes: ad6f939ab193 ("ip: Add offset parameter to ip_cmsg_recv")
Fixes: e6afc8ace6dd ("udp: remove headers from UDP packets before queueing")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Sam Kumar <samanthakumar@google.com>
Cc: Willem de Bruijn <willemb@google.com>
Tested-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The skbuff and sock structure both had missing parameter annotation
values.
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The newly added drm_of_component_match_add helper is defined as
'static' in a header when CONFIG_OF is disabled, causing a warning
each time the header is included:
In file included from /git/arm-soc/drivers/gpu/drm/bridge/dw-hdmi.c:23:0:
include/drm/drm_of.h:33:13: error: 'drm_of_component_match_add' defined but not used [-Werror=unused-function]
This marks it 'inline' like the other such helpers in this file.
Fixes: 97ac0e47aed5 ("drm: convert DT component matching to component_match_add_release()")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20161026085759.3875472-1-arnd@arndb.de
We don't want all planes to be added to the state whenever a
plane with fixed zpos gets enabled/disabled. This is true
especially for eg. cursor planes on i915, as we want cursor
updates to go through w/o throttling. Same holds for drivers
that don't support zpos at all (i915 actually falls into this
category right now since we've not yet added zpos support).
Allow drivers more freedom by letting them deal with zpos
themselves instead of doing it in drm_atomic_helper_check_planes()
unconditionally. Let's just inline the required calls into all
the driver that currently depend on this.
v2: Inline the stuff into the drivers instead of adding another
helper, document things better (Daniel)
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Cc: Vincent Abriou <vincent.abriou@st.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Inki Dae <inki.dae@samsung.com>
Cc: Joonyoung Shim <jy0922.shim@samsung.com>
Cc: Seung-Woo Kim <sw0312.kim@samsung.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Lyude <cpaul@redhat.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: stable@vger.kernel.org
Fixes: 44d1240d006c ("drm: add generic zpos property")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Acked-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1476111056-12734-1-git-send-email-ville.syrjala@linux.intel.com
A recent change to the mm code in:
87744ab3832b mm: fix cache mode tracking in vm_insert_mixed()
started enforcing checking the memory type against the registered list for
amixed pfn insertion mappings. It happens that the drm drivers for a number
of gpus relied on this being broken. Currently the driver only inserted
VRAM mappings into the tracking table when they came from the kernel,
and userspace mappings never landed in the table. This led to a regression
where all the mapping end up as UC instead of WC now.
I've considered a number of solutions but since this needs to be fixed
in fixes and not next, and some of the solutions were going to introduce
overhead that hadn't been there before I didn't consider them viable at
this stage. These mainly concerned hooking into the TTM io reserve APIs,
but these API have a bunch of fast paths I didn't want to unwind to add
this to.
The solution I've decided on is to add a new API like the arch_phys_wc
APIs (these would have worked but wc_del didn't take a range), and
use them from the drivers to add a WC compatible mapping to the table
for all VRAM on those GPUs. This means we can then create userspace
mapping that won't get degraded to UC.
v1.1: use CONFIG_X86_PAT + add some comments in io.h
Cc: Toshi Kani <toshi.kani@hp.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: x86@kernel.org
Cc: mcgrof@suse.com
Cc: Dan Williams <dan.j.williams@intel.com>
Acked-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This way the driver can decide if it is valuable to evict a BO or not.
The current implementation is added as default to all existing drivers.
v2: fix some typos found during internal testing
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
A few 80chars issues and spaces at wrong places.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This is needed to set up the vce clock table in userspace
for proper VCE DPM.
v2: fix copy paste typo in comment
v3: track number of valid states
Reviewed-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Add a flag noting that a BO must be created using linear VRAM
and set this flag on all in kernel users where appropriate.
Hopefully I haven't missed anything.
v2: add it in a few more places, fix CPU mapping.
v3: rename to VRAM_CONTIGUOUS, fix typo in CS code.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Edward O'Callaghan <funfunctor@folklore1984.net>
Tested-by: Mike Lothian <mike@fireburn.co.uk>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Junwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Junwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Convert DT component matching to use component_match_add_release().
Acked-by: Jyri Sarha <jsarha@ti.com>
Reviewed-by: Jyri Sarha <jsarha@ti.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/E1bwo6l-0005Io-Q1@rmk-PC.armlinux.org.uk
This check is open-coded in a few places, so it makes sense to simplify
things by having a helper for it similar to the rest of DPCD feature
helpers.
v2: (Jani)
- Move the helper to drm_dp_helper.h.
- Split out this change to a separate patch.
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1477326811-30431-2-git-send-email-imre.deak@intel.com
- first slice of the gvt device model (Zhenyu et al)
- compression support for gpu error states (Chris)
- sunset clause on gpu errors resulting in dmesg noise telling users
how to report them
- .rodata diet from Tvrtko
- switch over lots of macros to only take dev_priv (Tvrtko)
- underrun suppression for dp link training (Ville)
- lspcon (hmdi 2.0 on skl/bxt) support from Shashank Sharma, polish
from Jani
- gen9 wm fixes from Paulo&Lyude
- updated ddi programming for kbl (Rodrigo)
- respect alternate aux/ddc pins (from vbt) for all ddi ports (Ville)
* tag 'drm-intel-next-2016-10-24' of git://anongit.freedesktop.org/drm-intel: (227 commits)
drm/i915: Update DRIVER_DATE to 20161024
drm/i915: Stop setting SNB min-freq-table 0 on powersave setup
drm/i915/dp: add lane_count check in intel_dp_check_link_status
drm/i915: Fix whitespace issues
drm/i915: Clean up DDI DDC/AUX CH sanitation
drm/i915: Respect alternate_ddc_pin for all DDI ports
drm/i915: Respect alternate_aux_channel for all DDI ports
drm/i915/gen9: Remove WaEnableYV12BugFixInHalfSliceChicken7
drm/i915: KBL - Recommended buffer translation programming for DisplayPort
drm/i915: Move down skl/kbl ddi iboost and n_edp_entires fixup
drm/i915: Add a sunset clause to GPU hang logging
drm/i915: Stop reporting error details in dmesg as well as the error-state
drm/i915/gvt: do not ignore return value of create_scratch_page
drm/i915/gvt: fix spare warnings on odd constant _Bool cast
drm/i915/gvt: mark symbols static where possible
drm/i915/gvt: fix sparse warnings on different address spaces
drm/i915/gvt: properly access enabled intel_engine_cs
drm/i915/gvt: Remove defunct vmap_batch()
drm/i915/gvt: Use common mapping routines for shadow_bb object
drm/i915/gvt: Use common mapping routines for indirect_ctx object
...
First -misc pull for 4.10:
- drm_format rework from Laurent
- reservation patches from Chris that missed 4.9.
- aspect ratio support in infoframe helpers and drm mode/edid code
(Shashank Sharma)
- rotation rework from Ville (first parts at least)
- another attempt at the CRC debugfs interface from Tomeu
- piles and piles of misc patches all over
* tag 'topic/drm-misc-2016-10-24' of git://anongit.freedesktop.org/drm-intel: (55 commits)
drm: Use u64 for intermediate dotclock calculations
drm/i915: Use the per-plane rotation property
drm/omap: Use per-plane rotation property
drm/omap: Set rotation property initial value to BIT(DRM_ROTATE_0) insted of 0
drm/atmel-hlcdc: Use per-plane rotation property
drm/arm: Use per-plane rotation property
drm: Add support for optional per-plane rotation property
drm/atomic: Reject attempts to use multiple rotation angles at once
drm: Add drm_rotation_90_or_270()
dma-buf/sync_file: hold reference to fence when creating sync_file
drm/virtio: kconfig: Fixup white space.
drm/fence: release fence reference when canceling event
drm/i915: Handle early failure during intel_get_load_detect_pipe
drm/fb_cma_helper: do not free fbdev if there is none
drm: fix sparse warnings on undeclared symbols in crc debugfs
gpu: Remove depends on RESET_CONTROLLER when not a provider
i915: don't call drm_atomic_state_put on invalid pointer
drm: Don't export the drm_fb_get_bpp_depth() function
drm/arm: mali-dp: Replace drm_fb_get_bpp_depth() with drm_format_plane_cpp()
drm: vmwgfx: Replace drm_fb_get_bpp_depth() with drm_format_info()
...
of fixes for the uniphier clk driver that was introduced recently, as well as
Kconfig option hiding, module autoloading markings, and a few fixes for clk_hw
based registration patches that went in this merge window.
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Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk fixes from Stephen Boyd:
"This is the first batch of clk driver fixes for this release.
We have a handful of fixes for the uniphier clk driver that was
introduced recently, as well as Kconfig option hiding, module
autoloading markings, and a few fixes for clk_hw based registration
patches that went in this merge window"
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
clk: at91: Fix a return value in case of error
clk: uniphier: rename MIO clock to SD clock for Pro5, PXs2, LD20 SoCs
clk: uniphier: fix memory overrun bug
clk: hi6220: use CLK_OF_DECLARE_DRIVER for sysctrl and mediactrl clock init
clk: mvebu: armada-37xx-periph: Fix the clock gate flag
clk: bcm2835: Clamp the PLL's requested rate to the hardware limits.
clk: max77686: fix number of clocks setup for clk_hw based registration
clk: mvebu: armada-37xx-periph: Fix the clock provider registration
clk: core: add __init decoration for CLK_OF_DECLARE_DRIVER function
clk: mediatek: Add hardware dependency
clk: samsung: clk-exynos-audss: Fix module autoload
clk: uniphier: fix type of variable passed to regmap_read()
clk: uniphier: add system clock support for sLD3 SoC
This patch unexports the low-level __get_user_pages() function.
Recent refactoring of the get_user_pages* functions allow flags to be
passed through get_user_pages() which eliminates the need for access to
this function from its one user, kvm.
We can see that the two calls to get_user_pages() which replace
__get_user_pages() in kvm_main.c are equivalent by examining their call
stacks:
get_user_page_nowait():
get_user_pages(start, 1, flags, page, NULL)
__get_user_pages_locked(current, current->mm, start, 1, page, NULL, NULL,
false, flags | FOLL_TOUCH)
__get_user_pages(current, current->mm, start, 1,
flags | FOLL_TOUCH | FOLL_GET, page, NULL, NULL)
check_user_page_hwpoison():
get_user_pages(addr, 1, flags, NULL, NULL)
__get_user_pages_locked(current, current->mm, addr, 1, NULL, NULL, NULL,
false, flags | FOLL_TOUCH)
__get_user_pages(current, current->mm, addr, 1, flags | FOLL_TOUCH, NULL,
NULL, NULL)
Signed-off-by: Lorenzo Stoakes <lstoakes@gmail.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
