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Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Daniel Borkmann says:
====================
pull-request: bpf-next 2024-03-25
We've added 38 non-merge commits during the last 13 day(s) which contain
a total of 50 files changed, 867 insertions(+), 274 deletions(-).
The main changes are:
1) Add the ability to specify and retrieve BPF cookie also for raw
tracepoint programs in order to ease migration from classic to raw
tracepoints, from Andrii Nakryiko.
2) Allow the use of bpf_get_{ns_,}current_pid_tgid() helper for all
program types and add additional BPF selftests, from Yonghong Song.
3) Several improvements to bpftool and its build, for example, enabling
libbpf logs when loading pid_iter in debug mode, from Quentin Monnet.
4) Check the return code of all BPF-related set_memory_*() functions during
load and bail out in case they fail, from Christophe Leroy.
5) Avoid a goto in regs_refine_cond_op() such that the verifier can
be better integrated into Agni tool which doesn't support backedges
yet, from Harishankar Vishwanathan.
6) Add a small BPF trie perf improvement by always inlining
longest_prefix_match, from Jesper Dangaard Brouer.
7) Small BPF selftest refactor in bpf_tcp_ca.c to utilize start_server()
helper instead of open-coding it, from Geliang Tang.
8) Improve test_tc_tunnel.sh BPF selftest to prevent client connect
before the server bind, from Alessandro Carminati.
9) Fix BPF selftest benchmark for older glibc and use syscall(SYS_gettid)
instead of gettid(), from Alan Maguire.
10) Implement a backward-compatible method for struct_ops types with
additional fields which are not present in older kernels,
from Kui-Feng Lee.
11) Add a small helper to check if an instruction is addr_space_cast
from as(0) to as(1) and utilize it in x86-64 JIT, from Puranjay Mohan.
12) Small cleanup to remove unnecessary error check in
bpf_struct_ops_map_update_elem, from Martin KaFai Lau.
13) Improvements to libbpf fd validity checks for BPF map/programs,
from Mykyta Yatsenko.
* tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (38 commits)
selftests/bpf: Fix flaky test btf_map_in_map/lookup_update
bpf: implement insn_is_cast_user() helper for JITs
bpf: Avoid get_kernel_nofault() to fetch kprobe entry IP
selftests/bpf: Use start_server in bpf_tcp_ca
bpf: Sync uapi bpf.h to tools directory
libbpf: Add new sec_def "sk_skb/verdict"
selftests/bpf: Mark uprobe trigger functions with nocf_check attribute
selftests/bpf: Use syscall(SYS_gettid) instead of gettid() wrapper in bench
bpf-next: Avoid goto in regs_refine_cond_op()
bpftool: Clean up HOST_CFLAGS, HOST_LDFLAGS for bootstrap bpftool
selftests/bpf: scale benchmark counting by using per-CPU counters
bpftool: Remove unnecessary source files from bootstrap version
bpftool: Enable libbpf logs when loading pid_iter in debug mode
selftests/bpf: add raw_tp/tp_btf BPF cookie subtests
libbpf: add support for BPF cookie for raw_tp/tp_btf programs
bpf: support BPF cookie in raw tracepoint (raw_tp, tp_btf) programs
bpf: pass whole link instead of prog when triggering raw tracepoint
bpf: flatten bpf_probe_register call chain
selftests/bpf: Prevent client connect before server bind in test_tc_tunnel.sh
selftests/bpf: Add a sk_msg prog bpf_get_ns_current_pid_tgid() test
...
====================
Link: https://lore.kernel.org/r/20240325233940.7154-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The copy of pdev->pm_cap in struct amd8111e_priv is never used. Drop it.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240325220633.1453180-1-helgaas@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
System page_pools are percpu and one instance can be used only on
one CPU.
%NUMA_NO_NODE is fine for allocating pages, as the PP core always
allocates local pages in this case. But for the struct &page_pool
itself, this node ID means they are allocated on the boot CPU,
which may belong to a different node than the target CPU.
Pin system page_pools to the corresponding nodes when creating,
so that all the allocated data will always be local. Use
cpu_to_mem() to account memless nodes.
Nodes != 0 win some Kpps when testing with xdp-trafficgen.
Signed-off-by: Alexander Lobakin <aleksander.lobakin@intel.com>
Link: https://lore.kernel.org/r/20240325160635.3215855-1-aleksander.lobakin@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Last user of skb_free_datagram_locked() went away in 2016
with commit 850cbaddb5 ("udp: use it's own memory
accounting schema").
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Jason Xing <kerneljasonxing@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240325134155.620531-1-edumazet@google.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Sebastian Andrzej Siewior says:
====================
net: Provide SMP threads for backlog NAPI
The RPS code and "deferred skb free" both send IPI/ function call
to a remote CPU in which a softirq is raised. This leads to a warning on
PREEMPT_RT because raising softiqrs from function call led to undesired
behaviour in the past. I had duct tape in RT for the "deferred skb free"
and Wander Lairson Costa reported the RPS case.
This series only provides support for SMP threads for backlog NAPI, I
did not attach a patch to make it default and remove the IPI related
code to avoid confusion. I can post it for reference it asked.
The RedHat performance team was so kind to provide some testing here.
The series (with the IPI code removed) has been tested and no regression
vs without the series has been found. For testing iperf3 was used on 25G
interface, provided by mlx5, ix40e or ice driver and RPS was enabled. I
can provide the individual test results if needed.
====================
Link: https://lore.kernel.org/r/20240325074943.289909-1-bigeasy@linutronix.de
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
The rps_lock.*() functions use the inner lock of a sk_buff_head for
locking. This lock is used if RPS is enabled, otherwise the list is
accessed lockless and disabling interrupts is enough for the
synchronisation because it is only accessed CPU local. Not only the list
is protected but also the NAPI state protected.
With the addition of backlog threads, the lock is also needed because of
the cross CPU access even without RPS. The clean up of the defer_list
list is also done via backlog threads (if enabled).
It has been suggested to rename the locking function since it is no
longer just RPS.
Rename the rps_lock*() functions to backlog_lock*().
Suggested-by: Jakub Kicinski <kuba@kernel.org>
Acked-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
The defer_list is a per-CPU list which is used to free skbs outside of
the socket lock and on the CPU on which they have been allocated.
The list is processed during NAPI callbacks so ideally the list is
cleaned up.
Should the amount of skbs on the list exceed a certain water mark then
the softirq is triggered remotely on the target CPU by invoking a remote
function call. The raise of the softirqs via a remote function call
leads to waking the ksoftirqd on PREEMPT_RT which is undesired.
The backlog-NAPI threads already provide the infrastructure which can be
utilized to perform the cleanup of the defer_list.
The NAPI state is updated with the input_pkt_queue.lock acquired. It
order not to break the state, it is needed to also wake the backlog-NAPI
thread with the lock held. This requires to acquire the use the lock in
rps_lock_irq*() if the backlog-NAPI threads are used even with RPS
disabled.
Move the logic of remotely starting softirqs to clean up the defer_list
into kick_defer_list_purge(). Make sure a lock is held in
rps_lock_irq*() if backlog-NAPI threads are used. Schedule backlog-NAPI
for defer_list cleanup if backlog-NAPI is available.
Acked-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Backlog NAPI is a per-CPU NAPI struct only (with no device behind it)
used by drivers which don't do NAPI them self, RPS and parts of the
stack which need to avoid recursive deadlocks while processing a packet.
The non-NAPI driver use the CPU local backlog NAPI. If RPS is enabled
then a flow for the skb is computed and based on the flow the skb can be
enqueued on a remote CPU. Scheduling/ raising the softirq (for backlog's
NAPI) on the remote CPU isn't trivial because the softirq is only
scheduled on the local CPU and performed after the hardirq is done.
In order to schedule a softirq on the remote CPU, an IPI is sent to the
remote CPU which schedules the backlog-NAPI on the then local CPU.
On PREEMPT_RT interrupts are force-threaded. The soft interrupts are
raised within the interrupt thread and processed after the interrupt
handler completed still within the context of the interrupt thread. The
softirq is handled in the context where it originated.
With force-threaded interrupts enabled, ksoftirqd is woken up if a
softirq is raised from hardirq context. This is the case if it is raised
from an IPI. Additionally there is a warning on PREEMPT_RT if the
softirq is raised from the idle thread.
This was done for two reasons:
- With threaded interrupts the processing should happen in thread
context (where it originated) and ksoftirqd is the only thread for
this context if raised from hardirq. Using the currently running task
instead would "punish" a random task.
- Once ksoftirqd is active it consumes all further softirqs until it
stops running. This changed recently and is no longer the case.
Instead of keeping the backlog NAPI in ksoftirqd (in force-threaded/
PREEMPT_RT setups) I am proposing NAPI-threads for backlog.
The "proper" setup with threaded-NAPI is not doable because the threads
are not pinned to an individual CPU and can be modified by the user.
Additionally a dummy network device would have to be assigned. Also
CPU-hotplug has to be considered if additional CPUs show up.
All this can be probably done/ solved but the smpboot-threads already
provide this infrastructure.
Sending UDP packets over loopback expects that the packet is processed
within the call. Delaying it by handing it over to the thread hurts
performance. It is not beneficial to the outcome if the context switch
happens immediately after enqueue or after a while to process a few
packets in a batch.
There is no need to always use the thread if the backlog NAPI is
requested on the local CPU. This restores the loopback throuput. The
performance drops mostly to the same value after enabling RPS on the
loopback comparing the IPI and the tread result.
Create NAPI-threads for backlog if request during boot. The thread runs
the inner loop from napi_threaded_poll(), the wait part is different. It
checks for NAPI_STATE_SCHED (the backlog NAPI can not be disabled).
The NAPI threads for backlog are optional, it has to be enabled via the boot
argument "thread_backlog_napi". It is mandatory for PREEMPT_RT to avoid the
wakeup of ksoftirqd from the IPI.
Acked-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
A NAPI thread is scheduled by first setting NAPI_STATE_SCHED bit. If
successful (the bit was not yet set) then the NAPI_STATE_SCHED_THREADED
is set but only if thread's state is not TASK_INTERRUPTIBLE (is
TASK_RUNNING) followed by task wakeup.
If the task is idle (TASK_INTERRUPTIBLE) then the
NAPI_STATE_SCHED_THREADED bit is not set. The thread is no relying on
the bit but always leaving the wait-loop after returning from schedule()
because there must have been a wakeup.
The smpboot-threads implementation for per-CPU threads requires an
explicit condition and does not support "if we get out of schedule()
then there must be something to do".
Removing this optimisation simplifies the following integration.
Set NAPI_STATE_SCHED_THREADED unconditionally on wakeup and rely on it
in the wait path by removing the `woken' condition.
Acked-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Jason Xing says:
====================
trace: use TP_STORE_ADDRS macro
Using the macro for other tracepoints use to be more concise.
No functional change.
====================
Link: https://lore.kernel.org/r/20240325034347.19522-1-kerneljasonxing@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
As the title said, use the macro directly like the patch[1] did
to avoid those duplications. No functional change.
[1]
commit 6a6b0b9914 ("tcp: Avoid preprocessor directives in tracepoint macro args")
Signed-off-by: Jason Xing <kernelxing@tencent.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
As the title said, use the macro directly like the patch[1] did
to avoid those duplications. No functional change.
[1]
commit 6a6b0b9914 ("tcp: Avoid preprocessor directives in tracepoint macro args")
Signed-off-by: Jason Xing <kernelxing@tencent.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Put the macro into another standalone file for better extension.
Some tracepoints can use this common part in the future.
Signed-off-by: Jason Xing <kernelxing@tencent.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Fix an incorrect module name and sysfs path in dns resolver
documentation.
Signed-off-by: Bharath SM <bharathsm@microsoft.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240324104338.44083-1-bharathsm@microsoft.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Recently, I frequently hit the following test failure:
[root@arch-fb-vm1 bpf]# ./test_progs -n 33/1
test_lookup_update:PASS:skel_open 0 nsec
[...]
test_lookup_update:PASS:sync_rcu 0 nsec
test_lookup_update:FAIL:map1_leak inner_map1 leaked!
#33/1 btf_map_in_map/lookup_update:FAIL
#33 btf_map_in_map:FAIL
In the test, after map is closed and then after two rcu grace periods,
it is assumed that map_id is not available to user space.
But the above assumption cannot be guaranteed. After zero or one
or two rcu grace periods in different siturations, the actual
freeing-map-work is put into a workqueue. Later on, when the work
is dequeued, the map will be actually freed.
See bpf_map_put() in kernel/bpf/syscall.c.
By using workqueue, there is no ganrantee that map will be actually
freed after a couple of rcu grace periods. This patch removed
such map leak detection and then the test can pass consistently.
Signed-off-by: Yonghong Song <yonghong.song@linux.dev>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20240322061353.632136-1-yonghong.song@linux.dev
Implement a helper function to check if an instruction is
addr_space_cast from as(0) to as(1). Use this helper in the x86 JIT.
Other JITs can use this helper when they add support for this instruction.
Signed-off-by: Puranjay Mohan <puranjay12@gmail.com>
Link: https://lore.kernel.org/r/20240324183226.29674-1-puranjay12@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
get_kernel_nofault() (or, rather, underlying copy_from_kernel_nofault())
is not free and it does pop up in performance profiles when
kprobes are heavily utilized with CONFIG_X86_KERNEL_IBT=y config.
Let's avoid using it if we know that fentry_ip - 4 can't cross page
boundary. We do that by masking lowest 12 bits and checking if they are
Another benefit (and actually what caused a closer look at this part of
code) is that now LBR record is (typically) not wasted on
copy_from_kernel_nofault() call and code, which helps tools like
retsnoop that grab LBR records from inside BPF code in kretprobes.
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Link: https://lore.kernel.org/bpf/20240319212013.1046779-1-andrii@kernel.org
To simplify the code, use BPF selftests helper start_server() in
bpf_tcp_ca.c instead of open-coding it. This helper is defined in
network_helpers.c, and exported in network_helpers.h, which is already
included in bpf_tcp_ca.c.
Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/9926a79118db27dd6d91c4854db011c599cabd0e.1711331517.git.tanggeliang@kylinos.cn
There is a difference between kernel uapi bpf.h and tools
uapi bpf.h. There is no functionality difference, but let
us sync properly to make it easy for later bpf.h update.
Signed-off-by: Yonghong Song <yonghong.song@linux.dev>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20240325033842.1693553-1-yonghong.song@linux.dev
The new sec_def specifies sk_skb program type with
BPF_SK_SKB_VERDICT attachment type. This way, libbpf
will set expected_attach_type properly for the program.
Signed-off-by: Yonghong Song <yonghong.song@linux.dev>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20240319175412.2941149-1-yonghong.song@linux.dev
Some distros seem to enable the -fcf-protection=branch by default,
which breaks our setup on first instruction of uprobe trigger
functions and place there endbr64 instruction.
Marking them with nocf_check attribute to skip that.
Ignoring unknown attribute warning in gcc for bench objects, because
nocf_check can be used only when -fcf-protection=branch is enabled,
otherwise we get a warning and break compilation.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20240322134936.1075395-1-jolsa@kernel.org
With glibc 2.28, selftests compilation fails for benchs/bench_trigger.c:
benchs/bench_trigger.c: In function ‘inc_counter’:
benchs/bench_trigger.c:25:23: error: implicit declaration of function ‘gettid’; did you mean ‘getgid’? [-Werror=implicit-function-declaration]
25 | tid = gettid();
| ^~~~~~
| getgid
cc1: all warnings being treated as errors
It appears support for the gettid() wrapper is variable across glibc
versions, so may be safer to use syscall(SYS_gettid) instead.
Fixes: 520fad2e32 ("selftests/bpf: scale benchmark counting by using per-CPU counters")
Signed-off-by: Alan Maguire <alan.maguire@oracle.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20240322095728.95671-1-alan.maguire@oracle.com
Current release - regressions:
- rxrpc: fix use of page_frag_alloc_align(), it changed semantics
and we added a new caller in a different subtree
- xfrm: allow UDP encapsulation only in offload modes
Current release - new code bugs:
- tcp: fix refcnt handling in __inet_hash_connect()
- Revert "net: Re-use and set mono_delivery_time bit for userspace tstamp
packets", conflicted with some expectations in BPF uAPI
Previous releases - regressions:
- ipv4: raw: fix sending packets from raw sockets via IPsec tunnels
- devlink: fix devlink's parallel command processing
- veth: do not manipulate GRO when using XDP
- esp: fix bad handling of pages from page_pool
Previous releases - always broken:
- report RCU QS for busy network kthreads (with Paul McK's blessing)
- tcp/rds: fix use-after-free on netns with kernel TCP reqsk
- virt: vmxnet3: fix missing reserved tailroom with XDP
Misc:
- couple of build fixes for Documentation
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from CAN, netfilter, wireguard and IPsec.
I'd like to highlight [ lowlight? - Linus ] Florian W stepping down as
a netfilter maintainer due to constant stream of bug reports. Not sure
what we can do but IIUC this is not the first such case.
Current release - regressions:
- rxrpc: fix use of page_frag_alloc_align(), it changed semantics and
we added a new caller in a different subtree
- xfrm: allow UDP encapsulation only in offload modes
Current release - new code bugs:
- tcp: fix refcnt handling in __inet_hash_connect()
- Revert "net: Re-use and set mono_delivery_time bit for userspace
tstamp packets", conflicted with some expectations in BPF uAPI
Previous releases - regressions:
- ipv4: raw: fix sending packets from raw sockets via IPsec tunnels
- devlink: fix devlink's parallel command processing
- veth: do not manipulate GRO when using XDP
- esp: fix bad handling of pages from page_pool
Previous releases - always broken:
- report RCU QS for busy network kthreads (with Paul McK's blessing)
- tcp/rds: fix use-after-free on netns with kernel TCP reqsk
- virt: vmxnet3: fix missing reserved tailroom with XDP
Misc:
- couple of build fixes for Documentation"
* tag 'net-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (59 commits)
selftests: forwarding: Fix ping failure due to short timeout
MAINTAINERS: step down as netfilter maintainer
netfilter: nf_tables: Fix a memory leak in nf_tables_updchain
net: dsa: mt7530: fix handling of all link-local frames
net: dsa: mt7530: fix link-local frames that ingress vlan filtering ports
bpf: report RCU QS in cpumap kthread
net: report RCU QS on threaded NAPI repolling
rcu: add a helper to report consolidated flavor QS
ionic: update documentation for XDP support
lib/bitmap: Fix bitmap_scatter() and bitmap_gather() kernel doc
netfilter: nf_tables: do not compare internal table flags on updates
netfilter: nft_set_pipapo: release elements in clone only from destroy path
octeontx2-af: Use separate handlers for interrupts
octeontx2-pf: Send UP messages to VF only when VF is up.
octeontx2-pf: Use default max_active works instead of one
octeontx2-pf: Wait till detach_resources msg is complete
octeontx2: Detect the mbox up or down message via register
devlink: fix port new reply cmd type
tcp: Clear req->syncookie in reqsk_alloc().
net/bnx2x: Prevent access to a freed page in page_pool
...
- Generate a list of built DTB files (arch/*/boot/dts/dtbs-list)
- Use more threads when building Debian packages in parallel
- Fix warnings shown during the RPM kernel package uninstallation
- Change OBJECT_FILES_NON_STANDARD_*.o etc. to take a relative path to
Makefile
- Support GCC's -fmin-function-alignment flag
- Fix a null pointer dereference bug in modpost
- Add the DTB support to the RPM package
- Various fixes and cleanups in Kconfig
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Merge tag 'kbuild-v6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada:
- Generate a list of built DTB files (arch/*/boot/dts/dtbs-list)
- Use more threads when building Debian packages in parallel
- Fix warnings shown during the RPM kernel package uninstallation
- Change OBJECT_FILES_NON_STANDARD_*.o etc. to take a relative path to
Makefile
- Support GCC's -fmin-function-alignment flag
- Fix a null pointer dereference bug in modpost
- Add the DTB support to the RPM package
- Various fixes and cleanups in Kconfig
* tag 'kbuild-v6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (67 commits)
kconfig: tests: test dependency after shuffling choices
kconfig: tests: add a test for randconfig with dependent choices
kconfig: tests: support KCONFIG_SEED for the randconfig runner
kbuild: rpm-pkg: add dtb files in kernel rpm
kconfig: remove unneeded menu_is_visible() call in conf_write_defconfig()
kconfig: check prompt for choice while parsing
kconfig: lxdialog: remove unused dialog colors
kconfig: lxdialog: fix button color for blackbg theme
modpost: fix null pointer dereference
kbuild: remove GCC's default -Wpacked-bitfield-compat flag
kbuild: unexport abs_srctree and abs_objtree
kbuild: Move -Wenum-{compare-conditional,enum-conversion} into W=1
kconfig: remove named choice support
kconfig: use linked list in get_symbol_str() to iterate over menus
kconfig: link menus to a symbol
kbuild: fix inconsistent indentation in top Makefile
kbuild: Use -fmin-function-alignment when available
alpha: merge two entries for CONFIG_ALPHA_GAMMA
alpha: merge two entries for CONFIG_ALPHA_EV4
kbuild: change DTC_FLAGS_<basetarget>.o to take the path relative to $(obj)
...
The previous PR includes some regressions in some device attributes exposed to
sysfs. They are fixed now.
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Merge tag 'firewire-fixes-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394
Pull firewire fixes Takashi Sakamoto:
"The previous pull includes some regressions in some device attributes
exposed to sysfs. They are fixed now"
* tag 'firewire-fixes-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394:
firewire: core: add memo about the caller of show functions for device attributes
Revert "firewire: Kill unnecessary buf check in device_attribute.show"
Here is the "big" set of driver core and kernfs changes for 6.9-rc1.
Nothing all that crazy here, just some good updates that include:
- automatic attribute group hiding from Dan Williams (he fixed up my
horrible attempt at doing this.)
- kobject lock contention fixes from Eric Dumazet
- driver core cleanups from Andy
- kernfs rcu work from Tejun
- fw_devlink changes to resolve some reported issues
- other minor changes, all details in the shortlog
All of these have been in linux-next for a long time with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core updates from Greg KH:
"Here is the "big" set of driver core and kernfs changes for 6.9-rc1.
Nothing all that crazy here, just some good updates that include:
- automatic attribute group hiding from Dan Williams (he fixed up my
horrible attempt at doing this.)
- kobject lock contention fixes from Eric Dumazet
- driver core cleanups from Andy
- kernfs rcu work from Tejun
- fw_devlink changes to resolve some reported issues
- other minor changes, all details in the shortlog
All of these have been in linux-next for a long time with no reported
issues"
* tag 'driver-core-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (28 commits)
device: core: Log warning for devices pending deferred probe on timeout
driver: core: Use dev_* instead of pr_* so device metadata is added
driver: core: Log probe failure as error and with device metadata
of: property: fw_devlink: Add support for "post-init-providers" property
driver core: Add FWLINK_FLAG_IGNORE to completely ignore a fwnode link
driver core: Adds flags param to fwnode_link_add()
debugfs: fix wait/cancellation handling during remove
device property: Don't use "proxy" headers
device property: Move enum dev_dma_attr to fwnode.h
driver core: Move fw_devlink stuff to where it belongs
driver core: Drop unneeded 'extern' keyword in fwnode.h
firmware_loader: Suppress warning on FW_OPT_NO_WARN flag
sysfs:Addresses documentation in sysfs_merge_group and sysfs_unmerge_group.
firmware_loader: introduce __free() cleanup hanler
platform-msi: Remove usage of the deprecated ida_simple_xx() API
sysfs: Introduce DEFINE_SIMPLE_SYSFS_GROUP_VISIBLE()
sysfs: Document new "group visible" helpers
sysfs: Fix crash on empty group attributes array
sysfs: Introduce a mechanism to hide static attribute_groups
sysfs: Introduce a mechanism to hide static attribute_groups
...
Here is the big set of char/misc and a number of other driver subsystem
updates for 6.9-rc1. Included in here are:
- IIO driver updates, loads of new ones and evolution of existing ones
- coresight driver updates
- const cleanups for many driver subsystems
- speakup driver additions
- platform remove callback void cleanups
- mei driver updates
- mhi driver updates
- cdx driver updates for MSI interrupt handling
- nvmem driver updates
- other smaller driver updates and cleanups, full details in the
shortlog
All of these have been in linux-next for a long time with no reported
issue, other than a build warning with some older versions of gcc for a
speakup driver, fix for that will come in a few days when I catch up
with my pending patch queues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc and other driver subsystem updates from Greg KH:
"Here is the big set of char/misc and a number of other driver
subsystem updates for 6.9-rc1. Included in here are:
- IIO driver updates, loads of new ones and evolution of existing ones
- coresight driver updates
- const cleanups for many driver subsystems
- speakup driver additions
- platform remove callback void cleanups
- mei driver updates
- mhi driver updates
- cdx driver updates for MSI interrupt handling
- nvmem driver updates
- other smaller driver updates and cleanups, full details in the
shortlog
All of these have been in linux-next for a long time with no reported
issue, other than a build warning for the speakup driver"
The build warning hits clang and is a gcc (and C23) extension, and is
fixed up in the merge.
Link: https://lore.kernel.org/all/20240321134831.GA2762840@dev-arch.thelio-3990X/
* tag 'char-misc-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (279 commits)
binder: remove redundant variable page_addr
uio_dmem_genirq: UIO_MEM_DMA_COHERENT conversion
uio_pruss: UIO_MEM_DMA_COHERENT conversion
cnic,bnx2,bnx2x: use UIO_MEM_DMA_COHERENT
uio: introduce UIO_MEM_DMA_COHERENT type
cdx: add MSI support for CDX bus
pps: use cflags-y instead of EXTRA_CFLAGS
speakup: Add /dev/synthu device
speakup: Fix 8bit characters from direct synth
parport: sunbpp: Convert to platform remove callback returning void
parport: amiga: Convert to platform remove callback returning void
char: xillybus: Convert to platform remove callback returning void
vmw_balloon: change maintainership
MAINTAINERS: change the maintainer for hpilo driver
char: xilinx_hwicap: Fix NULL vs IS_ERR() bug
hpet: remove hpets::hp_clocksource
platform: goldfish: move the separate 'default' propery for CONFIG_GOLDFISH
char: xilinx_hwicap: drop casting to void in dev_set_drvdata
greybus: move is_gb_* functions out of greybus.h
greybus: Remove usage of the deprecated ida_simple_xx() API
...
Here is the big set of Staging driver cleanups for 6.9-rc1. Nothing
major in here, lots of small coding style cleanups for most drivers, and
the removal of some obsolete hardare (the emxx_udc and some
drivers/staging/board/ files).
All of these have been in linux-next for a long time with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver updates from Greg KH:
"Here is the big set of Staging driver cleanups for 6.9-rc1. Nothing
major in here, lots of small coding style cleanups for most drivers,
and the removal of some obsolete hardare (the emxx_udc and some
drivers/staging/board/ files).
All of these have been in linux-next for a long time with no reported
issues"
* tag 'staging-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (122 commits)
staging: greybus: Replaces directive __attribute__((packed)) by __packed as suggested by checkpatch
staging: greybus: Replace __attribute__((packed)) by __packed in various instances
Staging: rtl8192e: Rename function GetHalfNmodeSupportByAPsHandler()
Staging: rtl8192e: Rename function rtllib_FlushRxTsPendingPkts()
Staging: rtl8192e: Rename goto OnADDBARsp_Reject
Staging: rtl8192e: Rename goto OnADDBAReq_Fail
Staging: rtl8192e: Rename function rtllib_send_ADDBARsp()
Staging: rtl8192e: Rename function rtllib_send_ADDBAReq()
Staging: rtl8192e: Rename variable TxRxSelect
Staging: rtl8192e: Fix 5 chckpatch alignment warnings in rtl819x_BAProc.c
Staging: rtl8192e: Rename function MgntQuery_MgntFrameTxRate
Staging: rtl8192e: Rename boolean variable bHalfWirelessN24GMode
Staging: rtl8192e: Rename reference AllowAllDestAddrHandler
Staging: rtl8192e: Rename varoable asSta
Staging: rtl8192e: Rename varoable osCcxVerNum
Staging: rtl8192e: Rename variable CcxAironetBuf
Staging: rtl8192e: Rename variable osCcxAironetIE
Staging: rtl8192e: Rename variable AironetIeOui
Staging: rtl8192e: Rename variable asRsn
Staging: rtl8192e: Rename variable CcxVerNumBuf
...
Here is the big set of TTY/Serial driver updates and cleanups for
6.9-rc1. Included in here are:
- more tty cleanups from Jiri
- loads of 8250 driver cleanups from Andy
- max310x driver updates
- samsung serial driver updates
- uart_prepare_sysrq_char() updates for many drivers
- platform driver remove callback void cleanups
- stm32 driver updates
- other small tty/serial driver updates
All of these have been in linux-next for a long time with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty / serial driver updates from Greg KH:
"Here is the big set of TTY/Serial driver updates and cleanups for
6.9-rc1. Included in here are:
- more tty cleanups from Jiri
- loads of 8250 driver cleanups from Andy
- max310x driver updates
- samsung serial driver updates
- uart_prepare_sysrq_char() updates for many drivers
- platform driver remove callback void cleanups
- stm32 driver updates
- other small tty/serial driver updates
All of these have been in linux-next for a long time with no reported
issues"
* tag 'tty-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (199 commits)
dt-bindings: serial: stm32: add power-domains property
serial: 8250_dw: Replace ACPI device check by a quirk
serial: Lock console when calling into driver before registration
serial: 8250_uniphier: Switch to use uart_read_port_properties()
serial: 8250_tegra: Switch to use uart_read_port_properties()
serial: 8250_pxa: Switch to use uart_read_port_properties()
serial: 8250_omap: Switch to use uart_read_port_properties()
serial: 8250_of: Switch to use uart_read_port_properties()
serial: 8250_lpc18xx: Switch to use uart_read_port_properties()
serial: 8250_ingenic: Switch to use uart_read_port_properties()
serial: 8250_dw: Switch to use uart_read_port_properties()
serial: 8250_bcm7271: Switch to use uart_read_port_properties()
serial: 8250_bcm2835aux: Switch to use uart_read_port_properties()
serial: 8250_aspeed_vuart: Switch to use uart_read_port_properties()
serial: port: Introduce a common helper to read properties
serial: core: Add UPIO_UNKNOWN constant for unknown port type
serial: core: Move struct uart_port::quirks closer to possible values
serial: sh-sci: Call sci_serial_{in,out}() directly
serial: core: only stop transmit when HW fifo is empty
serial: pch: Use uart_prepare_sysrq_char().
...
Here is the big set of USB and Thunderbolt changes for 6.9-rc1. Lots of
tiny changes and forward progress to support new hardware and better
support for existing devices. Included in here are:
- Thunderbolt (i.e. USB4) updates for newer hardware and uses as more
people start to use the hardware
- default USB authentication mode Kconfig and documentation update to
make it more obvious what is going on
- USB typec updates and enhancements
- usual dwc3 driver updates
- usual xhci driver updates
- function USB (i.e. gadget) driver updates and additions
- new device ids for lots of drivers
- loads of other small updates, full details in the shortlog
All of these, including a "last minute regression fix" have been in
linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB / Thunderbolt updates from Greg KH:
"Here is the big set of USB and Thunderbolt changes for 6.9-rc1. Lots
of tiny changes and forward progress to support new hardware and
better support for existing devices. Included in here are:
- Thunderbolt (i.e. USB4) updates for newer hardware and uses as more
people start to use the hardware
- default USB authentication mode Kconfig and documentation update to
make it more obvious what is going on
- USB typec updates and enhancements
- usual dwc3 driver updates
- usual xhci driver updates
- function USB (i.e. gadget) driver updates and additions
- new device ids for lots of drivers
- loads of other small updates, full details in the shortlog
All of these, including a "last minute regression fix" have been in
linux-next with no reported issues"
* tag 'usb-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (185 commits)
usb: usb-acpi: Fix oops due to freeing uninitialized pld pointer
usb: gadget: net2272: Use irqflags in the call to net2272_probe_fin
usb: gadget: tegra-xudc: Fix USB3 PHY retrieval logic
phy: tegra: xusb: Add API to retrieve the port number of phy
USB: gadget: pxa27x_udc: Remove unused of_gpio.h
usb: gadget/snps_udc_plat: Remove unused of_gpio.h
usb: ohci-pxa27x: Remove unused of_gpio.h
usb: sl811-hcd: only defined function checkdone if QUIRK2 is defined
usb: Clarify expected behavior of dev_bin_attrs_are_visible()
xhci: Allow RPM on the USB controller (1022:43f7) by default
usb: isp1760: remove SLAB_MEM_SPREAD flag usage
usb: misc: onboard_hub: use pointer consistently in the probe function
usb: gadget: fsl: Increase size of name buffer for endpoints
usb: gadget: fsl: Add of device table to enable module autoloading
usb: typec: tcpm: add support to set tcpc connector orientatition
usb: typec: tcpci: add generic tcpci fallback compatible
dt-bindings: usb: typec-tcpci: add tcpci fallback binding
usb: gadget: fsl-udc: Replace custom log wrappers by dev_{err,warn,dbg,vdbg}
usb: core: Set connect_type of ports based on DT node
dt-bindings: usb: Add downstream facing ports to realtek binding
...
In case of GE/GT/SGE/JST instructions, regs_refine_cond_op()
reuses the logic that does analysis of LE/LT/SLE/SLT instructions.
This commit avoids the use of a goto to perform the reuse.
Signed-off-by: Harishankar Vishwanathan <harishankar.vishwanathan@gmail.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20240321002955.808604-1-harishankar.vishwanathan@gmail.com
This provides some code cleanup for the OMAP hwspinlock driver.
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Merge tag 'hwlock-v6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux
Pull hwspinlock updates from Bjorn Andersson:
"Some code cleanup for the OMAP hwspinlock driver"
* tag 'hwlock-v6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux:
hwspinlock: omap: Use index to get hwspinlock pointer
hwspinlock: omap: Use devm_hwspin_lock_register() helper
hwspinlock: omap: Use devm_pm_runtime_enable() helper
hwspinlock: omap: Remove unneeded check for OF node
This transitions rpmsg_ctrl and rpmsg_char drivers away from the
deprecated ida_simple_*() API. It also makes the rpmsg_bus const.
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Merge tag 'rpmsg-v6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux
Pull rpmsg updates from Bjorn Andersson:
"This transitions rpmsg_ctrl and rpmsg_char drivers away from the
deprecated ida_simple_*() API. It also makes the rpmsg_bus const"
* tag 'rpmsg-v6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux:
rpmsg: core: Make rpmsg_bus const
rpmsg: Remove usage of the deprecated ida_simple_xx() API
Qualcomm SM8650 audio, compute and modem remoteproc are added. Qualcomm
X1 Elite audio and compute remoteprocs are added, after support for
shutting down the bootloader-loaded firmware loaded into the audio DSP..
A dozen drivers in the subsystem are transitioned to use devres helpers
for remoteproc and memory allocations.
It makes it possible to acquire in-kernel handle to individual
remoteproc instances in a cluster.
The release of DMA memory for remoteproc virtio is corrected to ensure
that restarting due to a watchdog bite doesn't attempt to allocate the
memory again without first freeing it.
Last, but not least, a couple of DeviceTree binding cleanups.
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Merge tag 'rproc-v6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux
Pull remoteproc updates from Bjorn Andersson:
"Qualcomm SM8650 audio, compute and modem remoteproc are added.
Qualcomm X1 Elite audio and compute remoteprocs are added, after
support for shutting down the bootloader-loaded firmware loaded into
the audio DSP..
A dozen drivers in the subsystem are transitioned to use devres
helpers for remoteproc and memory allocations - this makes it possible
to acquire in-kernel handle to individual remoteproc instances in a
cluster.
The release of DMA memory for remoteproc virtio is corrected to ensure
that restarting due to a watchdog bite doesn't attempt to allocate the
memory again without first freeing it.
Last, but not least, a couple of DeviceTree binding cleanups"
* tag 'rproc-v6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux: (30 commits)
remoteproc: qcom_q6v5_pas: Unload lite firmware on ADSP
remoteproc: qcom_q6v5_pas: Add support for X1E80100 ADSP/CDSP
dt-bindings: remoteproc: qcom,sm8550-pas: document the X1E80100 aDSP & cDSP
remoteproc: qcom_wcnss: Use devm_rproc_alloc() helper
remoteproc: qcom_q6v5_wcss: Use devm_rproc_alloc() helper
remoteproc: qcom_q6v5_pas: Use devm_rproc_alloc() helper
remoteproc: qcom_q6v5_mss: Use devm_rproc_alloc() helper
remoteproc: qcom_q6v5_adsp: Use devm_rproc_alloc() helper
dt-bindings: remoteproc: do not override firmware-name $ref
dt-bindings: remoteproc: qcom,glink-rpm-edge: drop redundant type from label
remoteproc: qcom: pas: correct data indentation
remoteproc: Make rproc_get_by_phandle() work for clusters
remoteproc: qcom: pas: Add SM8650 remoteproc support
remoteproc: qcom: pas: make region assign more generic
dt-bindings: remoteproc: qcom,sm8550-pas: document the SM8650 PAS
remoteproc: k3-dsp: Use devm_rproc_add() helper
remoteproc: k3-dsp: Use devm_ioremap_wc() helper
remoteproc: k3-dsp: Add devm action to release tsp
remoteproc: k3-dsp: Use devm_kzalloc() helper
remoteproc: k3-dsp: Use devm_ti_sci_get_by_phandle() helper
...
- sh: hd64461: Make setup_hd64461() static
- sh: intc: Make intc_subsys const
- sh: dma-sysfs: Make dma_subsys const
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Merge tag 'sh-for-v6.9-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/glaubitz/sh-linux
Pull sh updates from John Paul Adrian Glaubitz:
"Two patches by Ricardo B. Marliere make two instances of struct
bus_type in the interrupt controller driver and the DMA sysfs
interface const since the driver core in the kernel is now able to
handle that.
A third patch by Artur Rojek enforces internal linkage for the
function setup_hd64461() in order to fix the build of hp6xx_defconfig
with -Werror=missing-prototypes"
* tag 'sh-for-v6.9-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/glaubitz/sh-linux:
sh: hd64461: Make setup_hd64461() static
sh: intc: Make intc_subsys const
sh: dma-sysfs: Make dma_subsys const
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Merge tag 'hyperv-next-signed-20240320' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux
Pull hyperv updates from Wei Liu:
- Use Hyper-V entropy to seed guest random number generator (Michael
Kelley)
- Convert to platform remove callback returning void for vmbus (Uwe
Kleine-König)
- Introduce hv_get_hypervisor_version function (Nuno Das Neves)
- Rename some HV_REGISTER_* defines for consistency (Nuno Das Neves)
- Change prefix of generic HV_REGISTER_* MSRs to HV_MSR_* (Nuno Das
Neves)
- Cosmetic changes for hv_spinlock.c (Purna Pavan Chandra Aekkaladevi)
- Use per cpu initial stack for vtl context (Saurabh Sengar)
* tag 'hyperv-next-signed-20240320' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux:
x86/hyperv: Use Hyper-V entropy to seed guest random number generator
x86/hyperv: Cosmetic changes for hv_spinlock.c
hyperv-tlfs: Rename some HV_REGISTER_* defines for consistency
hv: vmbus: Convert to platform remove callback returning void
mshyperv: Introduce hv_get_hypervisor_version function
x86/hyperv: Use per cpu initial stack for vtl context
hyperv-tlfs: Change prefix of generic HV_REGISTER_* MSRs to HV_MSR_*
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Merge tag 'for-6.9-part2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fix from David Sterba:
"Fix a problem found in 6.7 after adding the temp-fsid feature which
changed device tracking in memory and broke grub-probe. This is used
on initrd-less systems. There were several iterations of the fix and
it took longer than expected"
* tag 'for-6.9-part2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: do not skip re-registration for the mounted device
- Improve dirsync performance by syncing on a dentry-set rather than
on a per-directory entry
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Merge tag 'exfat-for-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/exfat
Pull exfat updates from Namjae Jeon:
- Improve dirsync performance by syncing on a dentry-set rather than on
a per-directory entry
* tag 'exfat-for-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/exfat:
exfat: remove duplicate update parent dir
exfat: do not sync parent dir if just update timestamp
exfat: remove unused functions
exfat: convert exfat_find_empty_entry() to use dentry cache
exfat: convert exfat_init_ext_entry() to use dentry cache
exfat: move free cluster out of exfat_init_ext_entry()
exfat: convert exfat_remove_entries() to use dentry cache
exfat: convert exfat_add_entry() to use dentry cache
exfat: add exfat_get_empty_dentry_set() helper
exfat: add __exfat_get_dentry_set() helper
Hi Linus,
Please pull a couple random cleanups for 6.9 plus a step-down
patch from Andy.
Thanks,
Yury
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Merge tag 'bitmap-for-6.9' of https://github.com/norov/linux
Pull bitmap updates from Yury Norov:
"A couple of random cleanups plus a step-down patch from Andy"
* tag 'bitmap-for-6.9' of https://github.com/norov/linux:
bitmap: Step down as a reviewer
lib/find: optimize find_*_bit_wrap
lib/find_bit: Fix the code comments about find_next_bit_wrap
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Merge tag 'nf-24-03-21' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf
Pablo Neira Ayuso says:
====================
Netfilter fixes for net
The following patchset contains Netfilter fixes for net. There is a
larger batch of fixes still pending that will follow up asap, this is
what I deemed to be more urgent at this time:
1) Use clone view in pipapo set backend to release elements from destroy
path, otherwise it is possible to destroy elements twice.
2) Incorrect check for internal table flags lead to bogus transaction
objects.
3) Fix counters memleak in netdev basechain update error path,
from Quan Tian.
netfilter pull request 24-03-21
* tag 'nf-24-03-21' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf:
netfilter: nf_tables: Fix a memory leak in nf_tables_updchain
netfilter: nf_tables: do not compare internal table flags on updates
netfilter: nft_set_pipapo: release elements in clone only from destroy path
====================
Link: https://lore.kernel.org/r/20240321112117.36737-1-pablo@netfilter.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
In the case of firewire core function, the caller of show functions for
device attributes is not only sysfs user, but also device initialization.
This commit adds memo about it against the typical assumption that the
functions are just dedicated to sysfs user.
Link: https://lore.kernel.org/lkml/20240318091759.678326-1-o-takashi@sakamocchi.jp/
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
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Merge tag 'linux-can-fixes-for-6.9-20240319' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can
Marc Kleine-Budde says:
====================
pull-request: can 2024-03-20
this is a pull request of 1 patch for net/master.
Martin Jocić contributes a fix for the kvaser_pciefd driver, so that
up to 8 channels on the Xilinx-based adapters can be used. This issue
has been introduced in net-next for v6.9.
linux-can-fixes-for-6.9-20240319
* tag 'linux-can-fixes-for-6.9-20240319' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can:
can: kvaser_pciefd: Add additional Xilinx interrupts
====================
Link: https://lore.kernel.org/r/20240320112144.582741-1-mkl@pengutronix.de
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
The tests send 100 pings in 0.1 second intervals and force a timeout of
11 seconds, which is borderline (especially on debug kernels), resulting
in random failures in netdev CI [1].
Fix by increasing the timeout to 20 seconds. It should not prolong the
test unless something is wrong, in which case the test will rightfully
fail.
[1]
# selftests: net/forwarding: vxlan_bridge_1d_port_8472_ipv6.sh
# INFO: Running tests with UDP port 8472
# TEST: ping: local->local [ OK ]
# TEST: ping: local->remote 1 [FAIL]
# Ping failed
[...]
Fixes: b07e9957f2 ("selftests: forwarding: Add VxLAN tests with a VLAN-unaware bridge for IPv6")
Fixes: 728b35259e ("selftests: forwarding: Add VxLAN tests with a VLAN-aware bridge for IPv6")
Reported-by: Paolo Abeni <pabeni@redhat.com>
Closes: https://lore.kernel.org/netdev/24a7051fdcd1f156c3704bca39e4b3c41dfc7c4b.camel@redhat.com/
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Hangbin Liu <liuhangbin@gmail.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Link: https://lore.kernel.org/r/20240320065717.4145325-1-idosch@nvidia.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
I do not feel that I'm up to the task anymore.
I hope this to be a temporary emergeny measure, but for now I'm sure this
is the best course of action for me.
Signed-off-by: Florian Westphal <fw@strlen.de>
Link: https://lore.kernel.org/r/20240319121223.24474-1-fw@strlen.de
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Enforce internal linkage for setup_hd64461().
This fixes the following error:
arch/sh/cchips/hd6446x/hd64461.c:75:12: error: no previous prototype for 'setup_hd64461' [-Werror=missing-prototypes]
Signed-off-by: Artur Rojek <contact@artur-rojek.eu>
Reviewed-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Link: https://lore.kernel.org/r/20240211193451.106795-1-contact@artur-rojek.eu
Signed-off-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
If nft_netdev_register_hooks() fails, the memory associated with
nft_stats is not freed, causing a memory leak.
This patch fixes it by moving nft_stats_alloc() down after
nft_netdev_register_hooks() succeeds.
Fixes: b9703ed44f ("netfilter: nf_tables: support for adding new devices to an existing netdev chain")
Signed-off-by: Quan Tian <tianquan23@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
says:
====================
MT7530 DSA subdriver fix VLAN egress and handling of all link-local frames
This patch series fixes the VLAN tag egress procedure for link-local
frames, and fixes handling of all link-local frames.
Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>
====================
Link: https://lore.kernel.org/r/20240314-b4-for-net-mt7530-fix-link-local-vlan-v2-0-7dbcf6429ba0@arinc9.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Currently, the MT753X switches treat frames with :01-0D and :0F MAC DAs as
regular multicast frames, therefore flooding them to user ports.
On page 205, section "8.6.3 Frame filtering" of the active standard, IEEE
Std 802.1Q™-2022, it is stated that frames with 01:80:C2:00:00:00-0F as MAC
DA must only be propagated to C-VLAN and MAC Bridge components. That means
VLAN-aware and VLAN-unaware bridges. On the switch designs with CPU ports,
these frames are supposed to be processed by the CPU (software). So we make
the switch only forward them to the CPU port. And if received from a CPU
port, forward to a single port. The software is responsible of making the
switch conform to the latter by setting a single port as destination port
on the special tag.
This switch intellectual property cannot conform to this part of the
standard fully. Whilst the REV_UN frame tag covers the remaining :04-0D and
:0F MAC DAs, it also includes :22-FF which the scope of propagation is not
supposed to be restricted for these MAC DAs.
Set frames with :01-03 MAC DAs to be trapped to the CPU port(s). Add a
comment for the remaining MAC DAs.
Note that the ingress port must have a PVID assigned to it for the switch
to forward untagged frames. A PVID is set by default on VLAN-aware and
VLAN-unaware ports. However, when the network interface that pertains to
the ingress port is attached to a vlan_filtering enabled bridge, the user
can remove the PVID assignment from it which would prevent the link-local
frames from being trapped to the CPU port. I am yet to see a way to forward
link-local frames while preventing other untagged frames from being
forwarded too.
Fixes: b8f126a8d5 ("net-next: dsa: add dsa support for Mediatek MT7530 switch")
Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
