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We want the USB fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The root clock slice at 0xbf00 is media_ldb clock,
not csi_phy2_ref, so correct it.
Signed-off-by: Jacky Bai <ping.bai@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Thomas Gleixner:
"A set of fixes for interrupt chip drivers:
- Revert the platform driver conversion of interrupt chip drivers as
it turned out to create more problems than it solves.
- Fix a trivial typo in the new module helpers which made probing
reliably fail.
- Small fixes in the STM32 and MIPS Ingenic drivers
- The TI firmware rework which had badly managed dependencies and had
to wait post rc1"
* tag 'irq-urgent-2020-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/ingenic: Leave parent IRQ unmasked on suspend
irqchip/stm32-exti: Avoid losing interrupts due to clearing pending bits by mistake
irqchip: Revert modular support for drivers using IRQCHIP_PLATFORM_DRIVER helperse
irqchip: Fix probing deferal when using IRQCHIP_PLATFORM_DRIVER helpers
arm64: dts: k3-am65: Update the RM resource types
arm64: dts: k3-am65: ti-sci-inta/intr: Update to latest bindings
arm64: dts: k3-j721e: ti-sci-inta/intr: Update to latest bindings
irqchip/ti-sci-inta: Add support for INTA directly connecting to GIC
irqchip/ti-sci-inta: Do not store TISCI device id in platform device id field
dt-bindings: irqchip: Convert ti, sci-inta bindings to yaml
dt-bindings: irqchip: ti, sci-inta: Update docs to support different parent.
irqchip/ti-sci-intr: Add support for INTR being a parent to INTR
dt-bindings: irqchip: Convert ti, sci-intr bindings to yaml
dt-bindings: irqchip: ti, sci-intr: Update bindings to drop the usage of gic as parent
firmware: ti_sci: Add support for getting resource with subtype
firmware: ti_sci: Drop unused structure ti_sci_rm_type_map
firmware: ti_sci: Drop the device id to resource type translation
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fix from Thomas Gleixner:
"A single fix for the scheduler:
- Make is_idle_task() __always_inline to prevent the compiler from
putting it out of line into the wrong section because it's used
inside noinstr sections"
* tag 'sched-urgent-2020-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched: Use __always_inline on is_idle_task()
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking fixes from Thomas Gleixner:
"A set of fixes for lockdep, tracing and RCU:
- Prevent recursion by using raw_cpu_* operations
- Fixup the interrupt state in the cpu idle code to be consistent
- Push rcu_idle_enter/exit() invocations deeper into the idle path so
that the lock operations are inside the RCU watching sections
- Move trace_cpu_idle() into generic code so it's called before RCU
goes idle.
- Handle raw_local_irq* vs. local_irq* operations correctly
- Move the tracepoints out from under the lockdep recursion handling
which turned out to be fragile and inconsistent"
* tag 'locking-urgent-2020-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
lockdep,trace: Expose tracepoints
lockdep: Only trace IRQ edges
mips: Implement arch_irqs_disabled()
arm64: Implement arch_irqs_disabled()
nds32: Implement arch_irqs_disabled()
locking/lockdep: Cleanup
x86/entry: Remove unused THUNKs
cpuidle: Move trace_cpu_idle() into generic code
cpuidle: Make CPUIDLE_FLAG_TLB_FLUSHED generic
sched,idle,rcu: Push rcu_idle deeper into the idle path
cpuidle: Fixup IRQ state
lockdep: Use raw_cpu_*() for per-cpu variables
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
- Revert our removal of PROT_SAO, at least one user expressed an
interest in using it on Power9. Instead don't allow it to be used in
guests unless enabled explicitly at compile time.
- A fix for a crash introduced by a recent change to FP handling.
- Revert a change to our idle code that left Power10 with no idle
support.
- One minor fix for the new scv system call path to set PPR.
- Fix a crash in our "generic" PMU if branch stack events were enabled.
- A fix for the IMC PMU, to correctly identify host kernel samples.
- The ADB_PMU powermac code was found to be incompatible with
VMAP_STACK, so make them incompatible in Kconfig until the code can
be fixed.
- A build fix in drivers/video/fbdev/controlfb.c, and a documentation
fix.
Thanks to Alexey Kardashevskiy, Athira Rajeev, Christophe Leroy,
Giuseppe Sacco, Madhavan Srinivasan, Milton Miller, Nicholas Piggin,
Pratik Rajesh Sampat, Randy Dunlap, Shawn Anastasio, Vaidyanathan
Srinivasan.
* tag 'powerpc-5.9-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/32s: Disable VMAP stack which CONFIG_ADB_PMU
Revert "powerpc/powernv/idle: Replace CPU feature check with PVR check"
powerpc/perf: Fix reading of MSR[HV/PR] bits in trace-imc
powerpc/perf: Fix crashes with generic_compat_pmu & BHRB
powerpc/64s: Fix crash in load_fp_state() due to fpexc_mode
powerpc/64s: scv entry should set PPR
Documentation/powerpc: fix malformed table in syscall64-abi
video: fbdev: controlfb: Fix build for COMPILE_TEST=y && PPC_PMAC=n
selftests/powerpc: Update PROT_SAO test to skip ISA 3.1
powerpc/64s: Disallow PROT_SAO in LPARs by default
Revert "powerpc/64s: Remove PROT_SAO support"
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fixes from Juergen Gross:
"Two fixes for Xen: one needed for ongoing work to support virtio with
Xen, and one for a corner case in IRQ handling with Xen"
* tag 'for-linus-5.9-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
arm/xen: Add misuse warning to virt_to_gfn
xen/xenbus: Fix granting of vmalloc'd memory
XEN uses irqdesc::irq_data_common::handler_data to store a per interrupt XEN data pointer which contains XEN specific information.
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Add NFT_SOCKET_WILDCARD to match to wildcard socket listener.
Signed-off-by: Balazs Scheidler <bazsi77@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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__chk_user_ptr() & __chk_io_ptr() are dummy extern functions which
only exist to enforce the typechecking of __user or __iomem pointers
in macros when using sparse.
This typechecking is done by inserting a call to these functions.
But the presence of these calls can inhibit some simplifications
and so influence the result of sparse's analysis of context/locking.
Fix this by changing these calls into static inline calls with
an empty body.
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Signed-off-by: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These fix the recently added Tegra194 cpufreq driver and the handling
of devices using runtime PM during system-wide suspend, improve the
intel_pstate driver documentation and clean up the cpufreq core.
Specifics:
- Make the recently added Tegra194 cpufreq driver use
read_cpuid_mpir() instead of cpu_logical_map() to avoid exporting
logical_cpu_map (Sumit Gupta).
- Drop the automatic system wakeup event reporting for devices with
pending runtime-resume requests during system-wide suspend to avoid
spurious aborts of the suspend flow (Rafael Wysocki).
- Fix build warning in the intel_pstate driver documentation and
improve the wording in there (Randy Dunlap).
- Clean up two pieces of code in the cpufreq core (Viresh Kumar)"
* tag 'pm-5.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpufreq: Use WARN_ON_ONCE() for invalid relation
cpufreq: No need to verify cpufreq_driver in show_scaling_cur_freq()
PM: sleep: core: Fix the handling of pending runtime resume requests
Documentation: fix pm/intel_pstate build warning and wording
cpufreq: replace cpu_logical_map() with read_cpuid_mpir()
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Sleepable BPF programs can now use copy_from_user() to access user memory.
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Andrii Nakryiko <andriin@fb.com>
Acked-by: KP Singh <kpsingh@google.com>
Link: https://lore.kernel.org/bpf/20200827220114.69225-4-alexei.starovoitov@gmail.com
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Introduce sleepable BPF programs that can request such property for themselves
via BPF_F_SLEEPABLE flag at program load time. In such case they will be able
to use helpers like bpf_copy_from_user() that might sleep. At present only
fentry/fexit/fmod_ret and lsm programs can request to be sleepable and only
when they are attached to kernel functions that are known to allow sleeping.
The non-sleepable programs are relying on implicit rcu_read_lock() and
migrate_disable() to protect life time of programs, maps that they use and
per-cpu kernel structures used to pass info between bpf programs and the
kernel. The sleepable programs cannot be enclosed into rcu_read_lock().
migrate_disable() maps to preempt_disable() in non-RT kernels, so the progs
should not be enclosed in migrate_disable() as well. Therefore
rcu_read_lock_trace is used to protect the life time of sleepable progs.
There are many networking and tracing program types. In many cases the
'struct bpf_prog *' pointer itself is rcu protected within some other kernel
data structure and the kernel code is using rcu_dereference() to load that
program pointer and call BPF_PROG_RUN() on it. All these cases are not touched.
Instead sleepable bpf programs are allowed with bpf trampoline only. The
program pointers are hard-coded into generated assembly of bpf trampoline and
synchronize_rcu_tasks_trace() is used to protect the life time of the program.
The same trampoline can hold both sleepable and non-sleepable progs.
When rcu_read_lock_trace is held it means that some sleepable bpf program is
running from bpf trampoline. Those programs can use bpf arrays and preallocated
hash/lru maps. These map types are waiting on programs to complete via
synchronize_rcu_tasks_trace();
Updates to trampoline now has to do synchronize_rcu_tasks_trace() and
synchronize_rcu_tasks() to wait for sleepable progs to finish and for
trampoline assembly to finish.
This is the first step of introducing sleepable progs. Eventually dynamically
allocated hash maps can be allowed and networking program types can become
sleepable too.
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Acked-by: Andrii Nakryiko <andriin@fb.com>
Acked-by: KP Singh <kpsingh@google.com>
Link: https://lore.kernel.org/bpf/20200827220114.69225-3-alexei.starovoitov@gmail.com
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* pm-cpufreq:
cpufreq: Use WARN_ON_ONCE() for invalid relation
cpufreq: No need to verify cpufreq_driver in show_scaling_cur_freq()
Documentation: fix pm/intel_pstate build warning and wording
cpufreq: replace cpu_logical_map() with read_cpuid_mpir()
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I keep getting sparse warnings in crypto such as:
CHECK drivers/crypto/ccree/cc_hash.c
drivers/crypto/ccree/cc_hash.c:49:9: warning: cast truncates bits from constant value (47b5481dbefa4fa4 becomes befa4fa4)
drivers/crypto/ccree/cc_hash.c:49:26: warning: cast truncates bits from constant value (db0c2e0d64f98fa7 becomes 64f98fa7)
[.. many more ..]
This patch removes the warning by adding a mask to keep sparse
happy.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Frontend callback reports EAGAIN to nfnetlink to retry a command, this
is used to signal that module autoloading is required. Unfortunately,
nlmsg_unicast() reports EAGAIN in case the receiver socket buffer gets
full, so it enters a busy-loop.
This patch updates nfnetlink_unicast() to turn EAGAIN into ENOBUFS and
to use nlmsg_unicast(). Remove the flags field in nfnetlink_unicast()
since this is always MSG_DONTWAIT in the existing code which is exactly
what nlmsg_unicast() passes to netlink_unicast() as parameter.
Fixes: 96518518cc41 ("netfilter: add nftables")
Reported-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull writeback fixes from Jan Kara:
"Fixes for writeback code occasionally skipping writeback of some
inodes or livelocking sync(2)"
* tag 'writeback_for_v5.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
writeback: Drop I_DIRTY_TIME_EXPIRE
writeback: Fix sync livelock due to b_dirty_time processing
writeback: Avoid skipping inode writeback
writeback: Protect inode->i_io_list with inode->i_lock
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There is a misconception about what "insert_failed" means.
We increment this even when a clash got resolved, so it might not indicate
a problem.
Add a dedicated counter for clash resolution and only increment
insert_failed if a clash cannot be resolved.
For the old /proc interface, export this in place of an older stat
that got removed a while back.
For ctnetlink, export this with a new attribute.
Also correct an outdated comment that implies we add a duplicate tuple --
we only add the (unique) reply direction.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This counter increments when nf_conntrack_in sees a packet that already
has a conntrack attached or when the packet is marked as UNTRACKED.
Neither is an error.
The former is normal for loopback traffic. The second happens for
certain ICMPv6 packets or when nftables/ip(6)tables rules are in place.
In case someone needs to count UNTRACKED packets, or packets
that are marked as untracked before conntrack_in this can be done with
both nftables and ip(6)tables rules.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Pull ceph fixes from Ilya Dryomov:
"We have an inode number handling change, prompted by s390x which is a
64-bit architecture with a 32-bit ino_t, a patch to disallow leases to
avoid potential data integrity issues when CephFS is re-exported via
NFS or CIFS and a fix for the bulk of W=1 compilation warnings"
* tag 'ceph-for-5.9-rc3' of git://github.com/ceph/ceph-client:
ceph: don't allow setlease on cephfs
ceph: fix inode number handling on arches with 32-bit ino_t
libceph: add __maybe_unused to DEFINE_CEPH_FEATURE
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In commit 830ae442202e ("extcon: Remove the deprecated extcon functions")
the function extcon_register_interest became a no-op returning an error,
leading to non-functional behaviour in charger-manager.
Additionally, a translation table is needed between the text representation
of the extcon cable names and their IDs is needed. In order to retain DT
compatibility, TA and CHARGE-DOWNSTREAM are added as they were present up
until commit 11eecf910bd8 ("extcon: Modify the id and name of external
connector")
Signed-off-by: Jonathan Bakker <xc-racer2@live.ca>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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cm_monitor(), where charging management starts, checks various charging
condition sequentially to decide next charging operation. However, as it
follows sequential process, cascaded if statements, it does some
jobs which have already done in the previous stage. This results in a
delay in decision making. Moreover, starting point of charging is spread
all around which makes maintain code and debugging difficult.
Both of the problems mentioned above become clean if it manages battery
charging focusing on battery status not following sequential condition
checking. Now, cm_monitor() moves battery state diagram and does the
optimal operation for current state. As a result, it reduces whole
monitoring time almost in half.
Signed-off-by: Jonghwa Lee <jonghwa3.lee@samsung.com>
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Jonathan Bakker <xc-racer2@live.ca>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Enables storing userdata for nft_table. Field udata points to user data
and udlen store its length.
Adds new attribute flag NFTA_TABLE_USERDATA
Signed-off-by: Jose M. Guisado Gomez <guigom@riseup.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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cm_notify_event() was introduced to get an event associated with the
battery status externally (ie in board files), but no one ever used it.
Moreover it makes charger manager driver more complicated. Drop the
function and all data related to it to simplify the driver.
Signed-off-by: Jonghwa Lee <jonghwa3.lee@samsung.com>
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Jonathan Bakker <xc-racer2@live.ca>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Pull drm fixes from Dave Airlie:
"As expected a bit of an rc3 uptick, amdgpu and msm are the main ones,
one msm patch was from the merge window, but had dependencies and we
dropped it until the other tree had landed. Otherwise it's a couple of
fixes for core, and etnaviv, and single i915, exynos, omap fixes.
I'm still tracking the Sandybridge gpu relocations issue, if we don't
see much movement I might just queue up the reverts. I'll talk to
Daniel next week once he's back from holidays.
core:
- Take modeset bkl for legacy drivers
dp_mst:
- Allow null crtc in dp_mst
i915:
- Fix command parser desc matching with masks
amdgpu:
- Misc display fixes
- Backlight fixes
- MPO fix for DCN1
- Fixes for Sienna Cichlid
- Fixes for Navy Flounder
- Vega SW CTF fixes
- SMU fix for Raven
- Fix a possible overflow in INFO ioctl
- Gfx10 clockgating fix
msm:
- opp/bw scaling patch followup
- frequency restoring fux
- vblank in atomic commit fix
- dpu modesetting fixes
- fencing fix
etnaviv:
- scheduler interaction fix
- gpu init regression fix
exynos:
- Just drop __iommu annotation to fix sparse warning
omap:
- locking state fix"
* tag 'drm-fixes-2020-08-28' of git://anongit.freedesktop.org/drm/drm: (41 commits)
drm/amd/display: Fix memleak in amdgpu_dm_mode_config_init
drm/amdgpu: disable runtime pm for navy_flounder
drm/amd/display: Retry AUX write when fail occurs
drm/amdgpu: Fix buffer overflow in INFO ioctl
drm/amd/powerplay: Fix hardmins not being sent to SMU for RV
drm/amdgpu: use MODE1 reset for navy_flounder by default
drm/amd/pm: correct the thermal alert temperature limit settings
drm/amdgpu: add asd fw check before loading asd
drm/amd/display: Keep current gain when ABM disable immediately
drm/amd/display: Fix passive dongle mistaken as active dongle in EDID emulation
drm/amd/display: Revert HDCP disable sequence change
drm/amd/display: Send DISPLAY_OFF after power down on boot
drm/amdgpu/gfx10: refine mgcg setting
drm/amd/pm: correct Vega20 swctf limit setting
drm/amd/pm: correct Vega12 swctf limit setting
drm/amd/pm: correct Vega10 swctf limit setting
drm/amd/pm: set VCN pg per instances
drm/amd/pm: enable run_btc callback for sienna_cichlid
drivers: gpu: amd: Initialize amdgpu_dm_backlight_caps object to 0 in amdgpu_dm_update_backlight_caps
drm/amd/display: Reject overlay plane configurations in multi-display scenarios
...
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The sysctl that was added earlier by commit 79134e6ce2c ("net: do
not create fallback tunnels for non-default namespaces") to create
fall-back only in root-ns. This patch enhances that behavior to provide
option not to create fallback tunnels in root-ns as well. Since modules
that create fallback tunnels could be built-in and setting the sysctl
value after booting is pointless, so added a kernel cmdline options to
change this default. The default setting is preseved for backward
compatibility. The kernel command line option of fb_tunnels=initns will
set the sysctl value to 1 and will create fallback tunnels only in initns
while kernel cmdline fb_tunnels=none will set the sysctl value to 2 and
fallback tunnels are skipped in every netns.
Signed-off-by: Mahesh Bandewar <maheshb@google.com>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Maciej Zenczykowski <maze@google.com>
Cc: Jian Yang <jianyang@google.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Some properties of the inner map is used in the verification time.
When an inner map is inserted to an outer map at runtime,
bpf_map_meta_equal() is currently used to ensure those properties
of the inserting inner map stays the same as the verification
time.
In particular, the current bpf_map_meta_equal() checks max_entries which
turns out to be too restrictive for most of the maps which do not use
max_entries during the verification time. It limits the use case that
wants to replace a smaller inner map with a larger inner map. There are
some maps do use max_entries during verification though. For example,
the map_gen_lookup in array_map_ops uses the max_entries to generate
the inline lookup code.
To accommodate differences between maps, the map_meta_equal is added
to bpf_map_ops. Each map-type can decide what to check when its
map is used as an inner map during runtime.
Also, some map types cannot be used as an inner map and they are
currently black listed in bpf_map_meta_alloc() in map_in_map.c.
It is not unusual that the new map types may not aware that such
blacklist exists. This patch enforces an explicit opt-in
and only allows a map to be used as an inner map if it has
implemented the map_meta_equal ops. It is based on the
discussion in [1].
All maps that support inner map has its map_meta_equal points
to bpf_map_meta_equal in this patch. A later patch will
relax the max_entries check for most maps. bpf_types.h
counts 28 map types. This patch adds 23 ".map_meta_equal"
by using coccinelle. -5 for
BPF_MAP_TYPE_PROG_ARRAY
BPF_MAP_TYPE_(PERCPU)_CGROUP_STORAGE
BPF_MAP_TYPE_STRUCT_OPS
BPF_MAP_TYPE_ARRAY_OF_MAPS
BPF_MAP_TYPE_HASH_OF_MAPS
The "if (inner_map->inner_map_meta)" check in bpf_map_meta_alloc()
is moved such that the same error is returned.
[1]: https://lore.kernel.org/bpf/20200522022342.899756-1-kafai@fb.com/
Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20200828011806.1970400-1-kafai@fb.com
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There are no platforms using the pdata support, so let's
drop it to simplify the driver.
Reviewed-by: Dmitry Osipenko <digetx@gmail.com>
Tested-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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Add two functions that can be used to stop new jobs from being queued /
continue running queued job. This can be used while a driver using m2m
helper is going to suspend / wake up from resume, and can ensure that
there's no job running in suspend process.
Signed-off-by: Pi-Hsun Shih <pihsun@chromium.org>
Signed-off-by: Jerry-ch Chen <jerry-ch.chen@mediatek.corp-partner.google.com>
Reviewed-by: Tomasz Figa <tfiga@chromium.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
Johannes Berg says:
====================
This time we have:
* some code to support SAE (WPA3) offload in AP mode
* many documentation (wording) fixes/updates
* netlink policy updates, including the use of NLA_RANGE
with binary attributes
* regulatory improvements for adjacent frequency bands
* and a few other small additions/refactorings/cleanups
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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calibration done
With the split of MIPI calibration into tegra_mipi_calibrate() and
tegra_mipi_wait(), MIPI clock is not kept enabled and mutex is not locked
till the calibration is done.
So, this patch keeps MIPI clock enabled and mutex locked after triggering
start of calibration till its done.
To let calibration process go through its finite sequence codes before
calibration logic waiting for pads idle state added wait time of 75usec
to make sure it sees idle state to apply the results.
This patch renames tegra_mipi_calibrate() as tegra_mipi_start_calibration()
and tegra_mipi_wait() as tegra_mipi_finish_calibration() to be inline
with their usage.
Reviewed-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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If a driver calls (_)vb2_fop_release(), then such a driver should also
call vb2_video_unregister_device() instead of video_unregister_device().
This helper will call vb2_queue_release() if a filehandle is marked as
owner of the queue. This ensures that at unregister time any streaming
is cancelled and all buffers are returned to userspace.
This is very useful for complex drivers since this stops all streaming
in all subdevs in the pipeline controlled by this video device. Otherwise
this would be delayed until the owner filehandle is closed, which can be
quite some time later.
Bonus points for ordering the includes :-)
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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bpf_link_info.iter is used by link_query to return bpf_iter_link_info
to user space. Fields may be different, e.g., map_fd vs. map_id, so
we cannot reuse the exact structure. But make them similar, e.g.,
struct bpf_link_info {
/* common fields */
union {
struct { ... } raw_tracepoint;
struct { ... } tracing;
...
struct {
/* common fields for iter */
union {
struct {
__u32 map_id;
} map;
/* other structs for other targets */
};
};
};
};
so the structure is extensible the same way as bpf_iter_link_info.
Fixes: 6b0a249a301e ("bpf: Implement link_query for bpf iterators")
Signed-off-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Andrii Nakryiko <andriin@fb.com>
Link: https://lore.kernel.org/bpf/20200828051922.758950-1-yhs@fb.com
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commit 25612477d20b52 ("ASoC: soc-dai: set dai_link dpcm_ flags with a helper")
added snd_soc_dai_link_set_capabilities().
But it is using snd_soc_find_dai() (A) which is required client_mutex (B).
And client_mutex is soc-core.c local.
struct snd_soc_dai *snd_soc_find_dai(xxx)
{
...
(B) lockdep_assert_held(&client_mutex);
...
}
void snd_soc_dai_link_set_capabilities(xxx)
{
...
for_each_pcm_streams(direction) {
...
for_each_link_cpus(dai_link, i, cpu) {
(A) dai = snd_soc_find_dai(cpu);
...
}
...
for_each_link_codecs(dai_link, i, codec) {
(A) dai = snd_soc_find_dai(codec);
...
}
}
...
}
Because of these background, we will get WARNING if .config has CONFIG_LOCKDEP.
WARNING: CPU: 2 PID: 53 at sound/soc/soc-core.c:814 snd_soc_find_dai+0xf8/0x100
CPU: 2 PID: 53 Comm: kworker/2:1 Not tainted 5.7.0-rc1+ #328
Hardware name: Renesas H3ULCB Kingfisher board based on r8a77951 (DT)
Workqueue: events deferred_probe_work_func
pstate: 60000005 (nZCv daif -PAN -UAO)
pc : snd_soc_find_dai+0xf8/0x100
lr : snd_soc_find_dai+0xf4/0x100
...
Call trace:
snd_soc_find_dai+0xf8/0x100
snd_soc_dai_link_set_capabilities+0xa0/0x16c
graph_dai_link_of_dpcm+0x390/0x3c0
graph_for_each_link+0x134/0x200
graph_probe+0x144/0x230
platform_drv_probe+0x5c/0xb0
really_probe+0xe4/0x430
driver_probe_device+0x60/0xf4
snd_soc_find_dai() will be used from (X) CPU/Codec/Platform driver with
mutex lock, and (Y) Card driver without mutex lock.
This snd_soc_dai_link_set_capabilities() is for Card driver,
this means called without mutex.
This patch adds snd_soc_find_dai_with_mutex() to solve it.
Fixes: 25612477d20b52 ("ASoC: soc-dai: set dai_link dpcm_ flags with a helper")
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87blixvuab.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Improve the clarity and grammar of descriptive comment on top of the
minor number assignments.
Fix a typo within 2 comments for macros.
s/This helps in eleminating of boilerplate code.
/This helps to eliminate boilerplate code./
Signed-off-by: Sebastian Fricke <sebastian.fricke.linux@gmail.com>
Link: https://lore.kernel.org/r/20200803054346.4285-1-sebastian.fricke.linux@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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No users left in the kernel, it can be removed.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Link: https://lore.kernel.org/r/20200828084141.14902-1-peter.ujfalusi@ti.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Storage technologies like FRAM have no "write pages", the whole chip can
be written within one SPI transfer. For these chips, the page size can
be set equal to the device size. Currently available devices are already
bigger than 64 kiB.
Signed-off-by: Christian Eggers <ceggers@arri.de>
Link: https://lore.kernel.org/r/20200727111218.26926-1-ceggers@arri.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Replacing spaces with tabs for PD_T_* constants.
Signed-off-by: Badhri Jagan Sridharan <badhri@google.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20200817183828.1895015-2-badhri@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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tSwapSourceStart
The patch addresses the compliance test failures while running
TD.PD.CP.E3, TD.PD.CP.E4, TD.PD.CP.E5 of the "Deterministic PD
Compliance MOI" test plan published in https://www.usb.org/usbc.
For a product to be Type-C compliant, it's expected that these tests
are run on usb.org certified Type-C compliance tester as mentioned in
https://www.usb.org/usbc.
The purpose of the tests TD.PD.CP.E3, TD.PD.CP.E4, TD.PD.CP.E5 is to
verify the PR_SWAP response of the device. While doing so, the test
asserts that Source Capabilities message is NOT received from the test
device within tSwapSourceStart min (20 ms) from the time the last bit
of GoodCRC corresponding to the RS_RDY message sent by the UUT was
sent. If it does then the test fails.
This is in line with the requirements from the USB Power Delivery
Specification Revision 3.0, Version 1.2:
"6.6.8.1 SwapSourceStartTimer
The SwapSourceStartTimer Shall be used by the new Source, after a
Power Role Swap or Fast Role Swap, to ensure that it does not send
Source_Capabilities Message before the new Sink is ready to receive
the
Source_Capabilities Message. The new Source Shall Not send the
Source_Capabilities Message earlier than tSwapSourceStart after the
last bit of the EOP of GoodCRC Message sent in response to the PS_RDY
Message sent by the new Source indicating that its power supply is
ready."
The patch makes sure that TCPM does not send the Source_Capabilities
Message within tSwapSourceStart(20ms) by transitioning into
SRC_STARTUP only after tSwapSourceStart(20ms).
Signed-off-by: Badhri Jagan Sridharan <badhri@google.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20200817183828.1895015-1-badhri@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch removes AHASH_REQUEST_ON_STACK which is unused.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch adds the helper ahash_alg_instance which is used to
convert a crypto_ahash object into its corresponding ahash_instance.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch adds the type-safe init_tfm/exit_tfm functions to the
ahash interface. This is meant to replace the unsafe cra_init and
cra_exit interface.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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git://anongit.freedesktop.org/drm/drm-intel into drm-next
UAPI Changes:
- Introduce a mechanism to extend execbuf2 (Lionel)
- Add syncobj timeline support (Lionel)
Driver Changes:
- Limit stolen mem usage on the compressed frame buffer (Ville)
- Some clean-up around display's cdclk (Ville)
- Some DDI changes for better DP link training according
to spec (Imre)
- Provide the perf pmu.module (Chris)
- Remove dobious Valleyview PCI IDs (Alexei)
- Add new display power saving feature for gen12+ called
HOBL (Jose)
- Move SKL's clock gating w/a to skl_init_clock_gating() (Ville)
- Rocket Lake display additions (Matt)
- Selftest: temporarily downgrade on severity of frequency
scaling tests (Chris)
- Introduce a new display workaround for fixing FLR related
issues on new PCH. (Jose)
- Temporarily disable FBC on TGL. It was the culprit of random
underruns. (Uma).
- Copy default modparams to mock i915_device (Chris)
- Add compiler paranoia for checking HWSP values (Chris)
- Remove useless gen check before calling intel_rps_boost (Chris)
- Fix a null pointer dereference (Chris)
- Add a couple of missing i915_active_fini() (Chris)
- Update TGL display power's bw_buddy table according to
update spec (Matt)
- Fix couple wrong return values (Tianjia)
- Selftest: Avoid passing random 0 into ilog2 (George)
- Many Tiger Lake display fixes and improvements for Type-C and
DP compliance (Imre, Jose)
- Start the addition of PSR2 selective fetch (Jose)
- Update a few DMC and HuC firmware versions (Jose)
- Add gen11+ w/a to fix underuns (Matt)
- Fix cmd parser desc matching with mask (Mika)
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200826232733.GA129053@intel.com
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git://anongit.freedesktop.org/drm/drm-misc into drm-next
drm-misc-next for 5.10:
UAPI Changes:
Cross-subsystem Changes:
Core Changes:
- ttm: various cleanups and reworks of the API
Driver Changes:
- ast: various cleanups
- gma500: A few fixes, conversion to GPIOd API
- hisilicon: Change of maintainer, various reworks
- ingenic: Clock handling and formats support improvements
- mcde: improvements to the DSI support
- mgag200: Support G200 desktop cards
- mxsfb: Support the i.MX7 and i.MX8M and the alpha plane
- panfrost: support devfreq
- ps8640: Retrieve the EDID from eDP control, misc improvements
- tidss: Add a workaround for AM65xx YUV formats handling
- virtio: a few cleanups, support for virtio-gpu exported resources
- bridges: Support the chained bridges on more drivers,
new bridges: Toshiba TC358762, Toshiba TC358775, Lontium LT9611
- panels: Convert to dev_ based logging, read orientation from the DT,
various fixes, new panels: Mantix MLAF057WE51-X, Chefree CH101OLHLWH-002,
Powertip PH800480T013, KingDisplay KD116N21-30NV-A010
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20200827155517.do6emeacetpturli@gilmour.lan
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eznps driver is supposed to be platform independent however it ends up
including stuff from inside arch/arc headers leading to rand config
build errors.
The quick hack to fix this (proper fix is too much chrun for non active
user-base) is to add following to nps platform agnostic header.
- copy AUX_IENABLE from arch/arc header
- move CTOP_AUX_IACK from arch/arc/plat-eznps/*/**
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Link: https://lkml.kernel.org/r/20200824095831.5lpkmkafelnvlpi2@linutronix.de
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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For mounts that have the new "nosymfollow" option, don't follow symlinks
when resolving paths. The new option is similar in spirit to the
existing "nodev", "noexec", and "nosuid" options, as well as to the
LOOKUP_NO_SYMLINKS resolve flag in the openat2(2) syscall. Various BSD
variants have been supporting the "nosymfollow" mount option for a long
time with equivalent implementations.
Note that symlinks may still be created on file systems mounted with
the "nosymfollow" option present. readlink() remains functional, so
user space code that is aware of symlinks can still choose to follow
them explicitly.
Setting the "nosymfollow" mount option helps prevent privileged
writers from modifying files unintentionally in case there is an
unexpected link along the accessed path. The "nosymfollow" option is
thus useful as a defensive measure for systems that need to deal with
untrusted file systems in privileged contexts.
More information on the history and motivation for this patch can be
found here:
https://sites.google.com/a/chromium.org/dev/chromium-os/chromiumos-design-docs/hardening-against-malicious-stateful-data#TOC-Restricting-symlink-traversal
Signed-off-by: Mattias Nissler <mnissler@chromium.org>
Signed-off-by: Ross Zwisler <zwisler@google.com>
Reviewed-by: Aleksa Sarai <cyphar@cyphar.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs
David Howells says:
====================
rxrpc, afs: Fix probing issues
Here are some fixes for rxrpc and afs to fix issues in the RTT measuring in
rxrpc and thence the Volume Location server probing in afs:
(1) Move the serial number of a received ACK into a local variable to
simplify the next patch.
(2) Fix the loss of RTT samples due to extra interposed ACKs causing
baseline information to be discarded too early. This is a particular
problem for afs when it sends a single very short call to probe a
server it hasn't talked to recently.
(3) Fix rxrpc_kernel_get_srtt() to indicate whether it actually has seen
any valid samples or not.
(4) Remove a field that's set/woken, but never read/waited on.
(5) Expose the RTT and other probe information through procfs to make
debugging of this stuff easier.
(6) Fix VL rotation in afs to only use summary information from VL probing
and not the probe running state (which gets clobbered when next a
probe is issued).
(7) Fix VL rotation to actually return the error aggregated from the probe
errors.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Immutable branch between arm and power-supply for gpio-charger for 5.10
This immutable branch drops legacy gpio API from
gpio-charger and updates the remaining users to
the new gpiod API instead.
Signed-off-by: Sebastian Reichel <sre@kernel.org>
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Like all other network functions, let's notify gtp context on creation and
deletion.
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Tested-by: Gabriel Ganne <gabriel.ganne@6wind.com>
Acked-by: Harald Welte <laforge@gnumonks.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix some comments, including wrong function name, duplicated word and so
on.
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This converts the GPIO charger to use exclusively GPIO
descriptors, moving the two remaining platforms passing
global GPIO numbers over to using a GPIO descriptor table.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Cc: Robert Jarzmik <robert.jarzmik@free.fr>
Cc: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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