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Allow mmap_rnd_bits_max to be updated on architectures that
determine virtual address space size at runtime instead of relying
on Kconfig options by changing it from const to __ro_after_init.
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Palmer Dabbelt <palmer@rivosinc.com>
Acked-by: Palmer Dabbelt <palmer@rivosinc.com>
Link: https://lore.kernel.org/r/20230929211155.3910949-5-samitolvanen@google.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
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The protoype of irq_flow_handler_t is independent of irq_data, so remove
unneeded forward declaration.
Signed-off-by: Dawei Li <dawei.li@shingroup.cn>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20240122085716.2999875-4-dawei.li@shingroup.cn
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GIC & GIC-v3 share same gic_irq() implementations, both of which serve
exact same purpose as irqd_to_hwirq(). irqd_to_hwirq() is a generic and
top level API of the interrupt subsystem, it's independent of any chip
implementation.
Replace gic_irq() with irqd_to_hwirq() and convert struct irq_data::hwirq
to irq_hw_number_t explicitly.
Suggested-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Dawei Li <dawei.li@shingroup.cn>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20240122085716.2999875-3-dawei.li@shingroup.cn
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AMD Zen-based systems report memory errors through Machine Check banks
representing Unified Memory Controllers (UMCs). The address value
reported for DRAM ECC errors is a "normalized address" that is relative
to the UMC. This normalized address must be converted to a system
physical address to be usable by the OS.
Support for this address translation was introduced to the MCA subsystem
with Zen1 systems. The code was later moved to the AMD64 EDAC module,
since this was the only user of the code at the time.
However, there are uses for this translation outside of EDAC. The system
physical address can be used in MCA for preemptive page offlining as done
in some MCA notifier functions. Also, this translation is needed as the
basis of similar functionality needed for some CXL configurations on AMD
systems.
Introduce a common address translation library that can be used for
multiple subsystems including MCA, EDAC, and CXL.
Include support for UMC normalized to system physical address
translation for current CPU systems.
The Data Fabric Indirect register access offsets and one of the register
fields were changed. Default to the current offsets and register field
definition. And fallback to the older values if running on a "legacy"
system.
Provide built-in code to facilitate the loading and unloading of the
library module without affecting other modules or built-in code.
Signed-off-by: Yazen Ghannam <yazen.ghannam@amd.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/20240123041401.79812-2-yazen.ghannam@amd.com
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Presently ia32 registers stored in ptregs are unconditionally cast to
unsigned int by the ia32 stub. They are then cast to long when passed to
__se_sys*, but will not be sign extended.
This takes the sign of the syscall argument into account in the ia32
stub. It still casts to unsigned int to avoid implementation specific
behavior. However then casts to int or unsigned int as necessary. So that
the following cast to long sign extends the value.
This fixes the io_pgetevents02 LTP test when compiled with -m32. Presently
the systemcall io_pgetevents_time64() unexpectedly accepts -1 for the
maximum number of events.
It doesn't appear other systemcalls with signed arguments are effected
because they all have compat variants defined and wired up.
Fixes: ebeb8c82ffaf ("syscalls/x86: Use 'struct pt_regs' based syscall calling for IA32_EMULATION and x32")
Suggested-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Richard Palethorpe <rpalethorpe@suse.com>
Signed-off-by: Nikolay Borisov <nik.borisov@suse.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20240110130122.3836513-1-nik.borisov@suse.com
Link: https://lore.kernel.org/ltp/20210921130127.24131-1-rpalethorpe@suse.com/
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To enable multicast packets which are offloaded in bridge multicast
offload mode to be sent also to uplink, FTE bit uplink_hairpin_en should
be set. Add this bit to FTE for the bridge multicast offload rules.
Fixes: 18c2916cee12 ("net/mlx5: Bridge, snoop igmp/mld packets")
Signed-off-by: Moshe Shemesh <moshe@nvidia.com>
Reviewed-by: Gal Pressman <gal@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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The sd_group field moved in the HW spec from the MPIR register
to the vport context.
Align the query accordingly.
Fixes: f5e956329960 ("net/mlx5: Expose Management PCIe Index Register (MPIR)")
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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The cited commit moved the code of mlx5e_create_tises() and changed the
loop to create TISes over MLX5_MAX_PORTS constant value, instead of
getting the correct lag ports supported by the device, which can cause
FW errors on devices with less than MLX5_MAX_PORTS ports.
Change that back to mlx5e_get_num_lag_ports(mdev).
Also IPoIB interfaces create there own TISes, they don't use the eth
TISes, pass a flag to indicate that.
This fixes the following errors that might appear in kernel log:
mlx5_cmd_out_err:808:(pid 650): CREATE_TIS(0x912) op_mod(0x0) failed, status bad parameter(0x3), syndrome (0x595b5d), err(-22)
mlx5e_create_mdev_resources:174:(pid 650): alloc tises failed, -22
Fixes: b25bd37c859f ("net/mlx5: Move TISes from priv to mdev HW resources")
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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Replace the static list of struct_ops types with per-btf struct_ops_tab to
enable dynamic registration.
Both bpf_dummy_ops and bpf_tcp_ca now utilize the registration function
instead of being listed in bpf_struct_ops_types.h.
Cc: netdev@vger.kernel.org
Signed-off-by: Kui-Feng Lee <thinker.li@gmail.com>
Link: https://lore.kernel.org/r/20240119225005.668602-12-thinker.li@gmail.com
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
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A value_type should consist of three components: refcnt, state, and data.
refcnt and state has been move to struct bpf_struct_ops_common_value to
make it easier to check the value type.
Signed-off-by: Kui-Feng Lee <thinker.li@gmail.com>
Link: https://lore.kernel.org/r/20240119225005.668602-11-thinker.li@gmail.com
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
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To ensure that a module remains accessible whenever a struct_ops object of
a struct_ops type provided by the module is still in use.
struct bpf_struct_ops_map doesn't hold a refcnt to btf anymore since a
module will hold a refcnt to it's btf already. But, struct_ops programs are
different. They hold their associated btf, not the module since they need
only btf to assure their types (signatures).
However, verifier holds the refcnt of the associated module of a struct_ops
type temporarily when verify a struct_ops prog. Verifier needs the help
from the verifier operators (struct bpf_verifier_ops) provided by the owner
module to verify data access of a prog, provide information, and generate
code.
This patch also add a count of links (links_cnt) to bpf_struct_ops_map. It
avoids bpf_struct_ops_map_put_progs() from accessing btf after calling
module_put() in bpf_struct_ops_map_free().
Signed-off-by: Kui-Feng Lee <thinker.li@gmail.com>
Link: https://lore.kernel.org/r/20240119225005.668602-10-thinker.li@gmail.com
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
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This is a preparation for searching for struct_ops types from a specified
module. BTF is always btf_vmlinux now. This patch passes a pointer of BTF
to bpf_struct_ops_find_value() and bpf_struct_ops_find(). Once the new
registration API of struct_ops types is used, other BTFs besides
btf_vmlinux can also be passed to them.
Signed-off-by: Kui-Feng Lee <thinker.li@gmail.com>
Link: https://lore.kernel.org/r/20240119225005.668602-8-thinker.li@gmail.com
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
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Include btf object id (btf_obj_id) in bpf_map_info so that tools (ex:
bpftools struct_ops dump) know the correct btf from the kernel to look up
type information of struct_ops types.
Since struct_ops types can be defined and registered in a module. The
type information of a struct_ops type are defined in the btf of the
module defining it. The userspace tools need to know which btf is for
the module defining a struct_ops type.
Signed-off-by: Kui-Feng Lee <thinker.li@gmail.com>
Link: https://lore.kernel.org/r/20240119225005.668602-7-thinker.li@gmail.com
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
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Move some of members of bpf_struct_ops to bpf_struct_ops_desc. type_id is
unavailabe in bpf_struct_ops anymore. Modules should get it from the btf
received by kmod's init function.
Cc: netdev@vger.kernel.org
Signed-off-by: Kui-Feng Lee <thinker.li@gmail.com>
Link: https://lore.kernel.org/r/20240119225005.668602-4-thinker.li@gmail.com
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
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Move the majority of the code to bpf_struct_ops_init_one(), which can then
be utilized for the initialization of newly registered dynamically
allocated struct_ops types in the following patches.
Signed-off-by: Kui-Feng Lee <thinker.li@gmail.com>
Link: https://lore.kernel.org/r/20240119225005.668602-2-thinker.li@gmail.com
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
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Adjust the check in bpf_get_spilled_reg to take into account spilled
registers narrower than 64 bits. That allows find_equal_scalars to
properly adjust the range of all spilled registers that have the same
ID. Before this change, it was possible for a register and a spilled
register to have the same IDs but different ranges if the spill was
narrower than 64 bits and a range check was performed on the register.
Signed-off-by: Maxim Mikityanskiy <maxim@isovalent.com>
Acked-by: Eduard Zingerman <eddyz87@gmail.com>
Link: https://lore.kernel.org/r/20240108205209.838365-5-maxtram95@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Add ability to iterate multiple decl_tag types pointed to the same
function argument. Use this to support multiple __arg_xxx tags per
global subprog argument.
We leave btf_find_decl_tag_value() intact, but change its implementation
to use a new btf_find_next_decl_tag() which can be straightforwardly
used to find next BTF type ID of a matching btf_decl_tag type.
btf_prepare_func_args() is switched from btf_find_decl_tag_value() to
btf_find_next_decl_tag() to gain multiple tags per argument support.
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Eduard Zingerman <eddyz87@gmail.com>
Link: https://lore.kernel.org/r/20240105000909.2818934-5-andrii@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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The motivation of inlining bpf_kptr_xchg() comes from the performance
profiling of bpf memory allocator benchmark. The benchmark uses
bpf_kptr_xchg() to stash the allocated objects and to pop the stashed
objects for free. After inling bpf_kptr_xchg(), the performance for
object free on 8-CPUs VM increases about 2%~10%. The inline also has
downside: both the kasan and kcsan checks on the pointer will be
unavailable.
bpf_kptr_xchg() can be inlined by converting the calling of
bpf_kptr_xchg() into an atomic_xchg() instruction. But the conversion
depends on two conditions:
1) JIT backend supports atomic_xchg() on pointer-sized word
2) For the specific arch, the implementation of xchg is the same as
atomic_xchg() on pointer-sized words.
It seems most 64-bit JIT backends satisfies these two conditions. But
as a precaution, defining a weak function bpf_jit_supports_ptr_xchg()
to state whether such conversion is safe and only supporting inline for
64-bit host.
For x86-64, it supports BPF_XCHG atomic operation and both xchg() and
atomic_xchg() use arch_xchg() to implement the exchange, so enabling the
inline of bpf_kptr_xchg() on x86-64 first.
Reviewed-by: Eduard Zingerman <eddyz87@gmail.com>
Signed-off-by: Hou Tao <houtao1@huawei.com>
Link: https://lore.kernel.org/r/20240105104819.3916743-2-houtao@huaweicloud.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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The URL in question 404 now, fix it up (and switch to github).
Signed-off-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Link: https://lore.kernel.org/r/b7babeb9c5b14af9189f0d6225673e6e9a8f4ad3.1704855496.git.senozhatsky@chromium.org
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
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GCC is expected to implement this feature in version 15,
so bump the version.
Signed-off-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/e1c27b64ae7abe2ebe647be11b71cf1bca84f677.1704855495.git.senozhatsky@chromium.org
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
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ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/cel/linux
Merge exportfs fixes from Chuck Lever:
* tag 'exportfs-6.9' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/cel/linux:
fs: Create a generic is_dot_dotdot() utility
exportfs: fix the fallback implementation of the get_name export operation
Link: https://lore.kernel.org/r/BDC2AEB4-7085-4A7C-8DE8-A659FE1DBA6A@oracle.com
Signed-off-by: Christian Brauner <brauner@kernel.org>
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The host and target use two definition of aer type, unify
them into a single one.
Signed-off-by: Guixin Liu <kanie@linux.alibaba.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Keith Busch <kbusch@kernel.org>
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De-duplicate the same functionality in several places by hoisting
the is_dot_dotdot() utility function into linux/fs.h.
Suggested-by: Amir Goldstein <amir73il@gmail.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Acked-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
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TCPDIAG_GETSOCK and DCCPDIAG_GETSOCK diag are serialized
on sock_diag_table_mutex.
This is to make sure inet_diag module is not unloaded
while diag was ongoing.
It is time to get rid of this mutex and use RCU protection,
allowing full parallelism.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Guillaume Nault <gnault@redhat.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Following patch is going to use RCU instead of
sock_diag_table_mutex acquisition.
This patch is a preparation, no change of behavior yet.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Guillaume Nault <gnault@redhat.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Following patch is going to use RCU instead of
inet_diag_table_mutex acquisition.
This patch is a preparation, no change of behavior yet.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Guillaume Nault <gnault@redhat.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Enable support for nomodeset= parameter via CONFIG_VIDEO. Both,
DRM and fbdev, already select this option. Remove the existing
option CONFIG_VIDEO_NOMODESET. Simplifies the Kconfig rules.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20240118090721.7995-4-tzimmermann@suse.de
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We would like to use for_each loop for status = "reserved" nodes.
Add for_each_reserved_child_of_node() for it.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Tested-by: Yusuke Goda <yusuke.goda.sx@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/87a5pegfau.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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Currently, both ATA_LPM_UNKNOWN (0) and ATA_LPM_MAX_POWER (1) displays
as "max_performance" in sysfs.
This is quite misleading as they are not the same.
For ATA_LPM_UNKNOWN, ata_eh_set_lpm() will not be called at all,
leaving the configuration in unknown state.
For ATA_LPM_MAX_POWER, ata_eh_set_lpm() is called, and setting the
policy to ATA_LPM_MAX_POWER.
This also matches the description of the SATA_MOBILE_LPM_POLICY Kconfig:
0 => Keep firmware settings
1 => Maximum performance
Thus, update the sysfs description for ATA_LPM_UNKNOWN to match reality.
While at it, update libata.h to mention that the ascii descriptions
are in libata-sata.c and not in libata-scsi.c.
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Signed-off-by: Niklas Cassel <cassel@kernel.org>
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Aligning the buffer to the L1 cache is not sufficient in some platforms
as they might have larger cacheline sizes for caches after L1 and thus,
we can't guarantee DMA safety.
That was the whole reason to introduce IIO_DMA_MINALIGN in [1]. Do the same
for the sigma_delta ADCs.
[1]: https://lore.kernel.org/linux-iio/20220508175712.647246-2-jic23@kernel.org/
Fixes: 0fb6ee8d0b5e ("iio: ad_sigma_delta: Don't put SPI transfer buffer on the stack")
Signed-off-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240117-dev_sigma_delta_no_irq_flags-v1-1-db39261592cf@analog.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Aligning the buffer to the L1 cache is not sufficient in some platforms
as they might have larger cacheline sizes for caches after L1 and thus,
we can't guarantee DMA safety.
That was the whole reason to introduce IIO_DMA_MINALIGN in [1]. Do the same
for the sigma_delta ADCs.
[1]: https://lore.kernel.org/linux-iio/20220508175712.647246-2-jic23@kernel.org/
Fixes: ccd2b52f4ac6 ("staging:iio: Add common ADIS library")
Signed-off-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240117-adis-improv-v1-1-7f90e9fad200@analog.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The wb_wakeup_delayed is only used in fs-writeback.c. Move it to
fs-writeback.c after defination of wb_wakeup and make it static.
Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com>
Link: https://lore.kernel.org/r/20240118203339.764093-1-shikemeng@huaweicloud.com
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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The pwrite function, originally defined by POSIX (thus the "p"), is
defined to ignore O_APPEND and write at the offset passed as its
argument. However, historically Linux honored O_APPEND if set and
ignored the offset. This cannot be changed due to stability policy,
but is documented in the man page as a bug.
Now that there's a pwritev2 syscall providing a superset of the pwrite
functionality that has a flags argument, the conforming behavior can
be offered to userspace via a new flag. Since pwritev2 checks flag
validity (in kiocb_set_rw_flags) and reports unknown ones with
EOPNOTSUPP, callers will not get wrong behavior on old kernels that
don't support the new flag; the error is reported and the caller can
decide how to handle it.
Signed-off-by: Rich Felker <dalias@libc.org>
Link: https://lore.kernel.org/r/20200831153207.GO3265@brightrain.aerifal.cx
Reviewed-by: Jann Horn <jannh@google.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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Now that the driver core can properly handle constant struct bus_type,
move the spi_bus_type variable to be a constant structure as well,
placing it into read-only memory which can not be modified at runtime.
Cc: Mark Brown <broonie@kernel.org>
Cc: <linux-spi@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://msgid.link/r/2024010549-erasure-swoop-1cc6@gregkh
Signed-off-by: Mark Brown <broonie@kernel.org>
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Pull header fix from Kent Overstreet:
"Just one small fixup for the RT build"
* tag 'header_cleanup-2024-01-20' of https://evilpiepirate.org/git/bcachefs:
spinlock: Fix failing build for PREEMPT_RT
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Generic sk_busy_loop_end() only looks at sk->sk_receive_queue
for presence of packets.
Problem is that for UDP sockets after blamed commit, some packets
could be present in another queue: udp_sk(sk)->reader_queue
In some cases, a busy poller could spin until timeout expiration,
even if some packets are available in udp_sk(sk)->reader_queue.
v3: - make sk_busy_loop_end() nicer (Willem)
v2: - add a READ_ONCE(sk->sk_family) in sk_is_inet() to avoid KCSAN splats.
- add a sk_is_inet() check in sk_is_udp() (Willem feedback)
- add a sk_is_inet() check in sk_is_tcp().
Fixes: 2276f58ac589 ("udp: use a separate rx queue for packet reception")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull strlcpy removal from Kees Cook:
"As promised, this is 'part 2' of the hardening tree, late in -rc1 now
that all the other trees with strlcpy() removals have landed. One new
user appeared (in bcachefs) but was a trivial refactor. The kernel is
now free of the strlcpy() API!
- Remove of the final (very recent) user of strlcpy() (in bcachefs)
- Remove the strlcpy() API. Long live strscpy()"
* tag 'strlcpy-removal-v6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
string: Remove strlcpy()
bcachefs: Replace strlcpy() with strscpy()
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git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree header detangling from Rob Herring:
"Remove the circular including of of_device.h and of_platform.h along
with all of their implicit includes.
This is the culmination of several kernel cycles worth of fixing
implicit DT includes throughout the tree"
* tag 'devicetree-for-6.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
of: Stop circularly including of_device.h and of_platform.h
clk: qcom: gcc-x1e80100: Replace of_device.h with explicit includes
thermal: loongson2: Replace of_device.h with explicit includes
net: can: Use device_get_match_data()
sparc: Use device_get_match_data()
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With all the users of strlcpy() removed[1] from the kernel, remove the
API, self-tests, and other references. Leave mentions in Documentation
(about its deprecation), and in checkpatch.pl (to help migrate host-only
tools/ usage). Long live strscpy().
Link: https://github.com/KSPP/linux/issues/89 [1]
Cc: Azeem Shaikh <azeemshaikh38@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Whitcroft <apw@canonical.com>
Cc: Joe Perches <joe@perches.com>
Cc: Dwaipayan Ray <dwaipayanray1@gmail.com>
Cc: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Cc: linux-hardening@vger.kernel.org
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
Pull power supply and reset updates from Sebastian Reichel:
"New features:
- bq24190: Add support for BQ24296 charger
Cleanups:
- all reset drivers: Stop using module_platform_driver_probe()
- gpio-restart: use devm_register_sys_off_handler
- pwr-mlxbf: support graceful reboot
- cw2015: correct time_to_empty units
- qcom-battmgr: Fix driver initialization sequence
- bq27xxx: Start/Stop delayed work in suspend/resume
- minor cleanups and fixes"
* tag 'for-v6.8-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (33 commits)
power: supply: bq24190_charger: Fix "initializer element is not constant" error
power: supply: bq24190_charger: Add support for BQ24296
dt-bindings: power: supply: bq24190: Add BQ24296 compatible
dt-bindings: power: reset: xilinx: Rename node names in examples
power: supply: qcom_battmgr: Register the power supplies after PDR is up
dt-bindings: power: reset: qcom-pon: fix inconsistent example
power: supply: Fix null pointer dereference in smb2_probe
power: reset: at91: Drop '__init' from at91_wakeup_status()
power: supply: Use multiple MODULE_AUTHOR statements
power: supply: Fix indentation and some other warnings
power: reset: gpio-restart: Use devm_register_sys_off_handler()
power: supply: bq256xx: fix some problem in bq256xx_hw_init
power: supply: cw2015: correct time_to_empty units in sysfs
power: reset: at91-sama5d2_shdwc: Convert to platform remove callback returning void
power: reset: at91-reset: Convert to platform remove callback returning void
power: reset: tps65086-restart: Convert to platform remove callback returning void
power: reset: syscon-poweroff: Convert to platform remove callback returning void
power: reset: rmobile-reset: Convert to platform remove callback returning void
power: reset: restart-poweroff: Convert to platform remove callback returning void
power: reset: regulator-poweroff: Convert to platform remove callback returning void
...
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Pull ceph updates from Ilya Dryomov:
"Assorted CephFS fixes and cleanups with nothing standing out"
* tag 'ceph-for-6.8-rc1' of https://github.com/ceph/ceph-client:
ceph: get rid of passing callbacks in __dentry_leases_walk()
ceph: d_obtain_{alias,root}(ERR_PTR(...)) will do the right thing
ceph: fix invalid pointer access if get_quota_realm return ERR_PTR
ceph: remove duplicated code in ceph_netfs_issue_read()
ceph: send oldest_client_tid when renewing caps
ceph: rename create_session_open_msg() to create_session_full_msg()
ceph: select FS_ENCRYPTION_ALGS if FS_ENCRYPTION
ceph: fix deadlock or deadcode of misusing dget()
ceph: try to allocate a smaller extent map for sparse read
libceph: remove MAX_EXTENTS check for sparse reads
ceph: reinitialize mds feature bit even when session in open
ceph: skip reconnecting if MDS is not ready
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gitolite.kernel.org:pub/scm/linux/kernel/git/vfs/vfs
Pull netfs updates from Christian Brauner:
"This extends the netfs helper library that network filesystems can use
to replace their own implementations. Both afs and 9p are ported. cifs
is ready as well but the patches are way bigger and will be routed
separately once this is merged. That will remove lots of code as well.
The overal goal is to get high-level I/O and knowledge of the page
cache and ouf of the filesystem drivers. This includes knowledge about
the existence of pages and folios
The pull request converts afs and 9p. This removes about 800 lines of
code from afs and 300 from 9p. For 9p it is now possible to do writes
in larger than a page chunks. Additionally, multipage folio support
can be turned on for 9p. Separate patches exist for cifs removing
another 2000+ lines. I've included detailed information in the
individual pulls I took.
Summary:
- Add NFS-style (and Ceph-style) locking around DIO vs buffered I/O
calls to prevent these from happening at the same time.
- Support for direct and unbuffered I/O.
- Support for write-through caching in the page cache.
- O_*SYNC and RWF_*SYNC writes use write-through rather than writing
to the page cache and then flushing afterwards.
- Support for write-streaming.
- Support for write grouping.
- Skip reads for which the server could only return zeros or EOF.
- The fscache module is now part of the netfs library and the
corresponding maintainer entry is updated.
- Some helpers from the fscache subsystem are renamed to mark them as
belonging to the netfs library.
- Follow-up fixes for the netfs library.
- Follow-up fixes for the 9p conversion"
* tag 'vfs-6.8.netfs' of gitolite.kernel.org:pub/scm/linux/kernel/git/vfs/vfs: (50 commits)
netfs: Fix wrong #ifdef hiding wait
cachefiles: Fix signed/unsigned mixup
netfs: Fix the loop that unmarks folios after writing to the cache
netfs: Fix interaction between write-streaming and cachefiles culling
netfs: Count DIO writes
netfs: Mark netfs_unbuffered_write_iter_locked() static
netfs: Fix proc/fs/fscache symlink to point to "netfs" not "../netfs"
netfs: Rearrange netfs_io_subrequest to put request pointer first
9p: Use length of data written to the server in preference to error
9p: Do a couple of cleanups
9p: Fix initialisation of netfs_inode for 9p
cachefiles: Fix __cachefiles_prepare_write()
9p: Use netfslib read/write_iter
afs: Use the netfs write helpers
netfs: Export the netfs_sreq tracepoint
netfs: Optimise away reads above the point at which there can be no data
netfs: Implement a write-through caching option
netfs: Provide a launder_folio implementation
netfs: Provide a writepages implementation
netfs, cachefiles: Pass upper bound length to allow expansion
...
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The DT of_device.h and of_platform.h headers date back to the separate
of_platform_bus_type before it was merged into the regular platform bus.
As part of that merge prepping Arm DT support 13 years ago, they
"temporarily" include each other. The headers also include
platform_device.h and of.h. The result was lots of drivers relied on
these implicit includes.
Now the entire tree has been fixed over the last couple of cycles to
explicitly include the necessary headers instead of relying on
of_device.h and/or of_platform.h implicit includes, so the implicit and
circular includes can finally be removed.
Signed-off-by: Rob Herring <robh@kernel.org>
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Pull block fixes from Jens Axboe:
- NVMe pull request via Keith:
- tcp, fc, and rdma target fixes (Maurizio, Daniel, Hannes,
Christoph)
- discard fixes and improvements (Christoph)
- timeout debug improvements (Keith, Max)
- various cleanups (Daniel, Max, Giuxen)
- trace event string fixes (Arnd)
- shadow doorbell setup on reset fix (William)
- a write zeroes quirk for SK Hynix (Jim)
- MD pull request via Song:
- Sparse warning since v6.0 (Bart)
- /proc/mdstat regression since v6.7 (Yu Kuai)
- Use symbolic error value (Christian)
- IO Priority documentation update (Christian)
- Fix for accessing queue limits without having entered the queue
(Christoph, me)
- Fix for loop dio support (Christoph)
- Move null_blk off deprecated ida interface (Christophe)
- Ensure nbd initializes full msghdr (Eric)
- Fix for a regression with the folio conversion, which is now easier
to hit because of an unrelated change (Matthew)
- Remove redundant check in virtio-blk (Li)
- Fix for a potential hang in sbitmap (Ming)
- Fix for partial zone appending (Damien)
- Misc changes and fixes (Bart, me, Kemeng, Dmitry)
* tag 'for-6.8/block-2024-01-18' of git://git.kernel.dk/linux: (45 commits)
Documentation: block: ioprio: Update schedulers
loop: fix the the direct I/O support check when used on top of block devices
blk-mq: Remove the hctx 'run' debugfs attribute
nbd: always initialize struct msghdr completely
block: Fix iterating over an empty bio with bio_for_each_folio_all
block: bio-integrity: fix kcalloc() arguments order
virtio_blk: remove duplicate check if queue is broken in virtblk_done
sbitmap: remove stale comment in sbq_calc_wake_batch
block: Correct a documentation comment in blk-cgroup.c
null_blk: Remove usage of the deprecated ida_simple_xx() API
block: ensure we hold a queue reference when using queue limits
blk-mq: rename blk_mq_can_use_cached_rq
block: print symbolic error name instead of error code
blk-mq: fix IO hang from sbitmap wakeup race
nvmet-rdma: avoid circular locking dependency on install_queue()
nvmet-tcp: avoid circular locking dependency on install_queue()
nvme-pci: set doorbell config before unquiescing
block: fix partial zone append completion handling in req_bio_endio()
block/iocost: silence warning on 'last_period' potentially being unused
md/raid1: Use blk_opf_t for read and write operations
...
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git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada:
- Make Kconfig parse the input .config more precisely
- Support W=c and W=e options for Kconfig
- Set Kconfig int/hex symbols to zero if the 'default' property is
missing
- Add .editorconfig
- Add scripts/git.orderFile
- Add a script to detect backward-incompatible changes in UAPI headers
- Resolve the symlink passed to O= option properly
- Use the user-supplied mtime for all files in the builtin initramfs,
which provides better reproducible builds
- Fix the direct execution of debian/rules for Debian package builds
- Use build ID instead of the .gnu_debuglink section for the Debian dbg
package
* tag 'kbuild-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (53 commits)
kbuild: deb-pkg: use debian/<package> for tmpdir
kbuild: deb-pkg: move 'make headers' to build-arch
kbuild: deb-pkg: do not search for 'scripts' directory under arch/
kbuild: deb-pkg: use build ID instead of debug link for dbg package
kbuild: deb-pkg: use more debhelper commands in builddeb
kbuild: deb-pkg: remove unneeded '-f $srctree/Makefile' in debian/rules
kbuild: deb-pkg: allow to run debian/rules from output directory
kbuild: deb-pkg: set DEB_* variables if debian/rules is directly executed
kbuild: deb-pkg: squash scripts/package/deb-build-option to debian/rules
kbuild: deb-pkg: factor out common Make options in debian/rules
kbuild: deb-pkg: hard-code Build-Depends
kbuild: deb-pkg: split debian/copyright from the mkdebian script
gen_init_cpio: Apply mtime supplied by user to all file types
kbuild: resolve symlinks for O= properly
docs: dev-tools: Add UAPI checker documentation
check-uapi: Introduce check-uapi.sh
scripts: Introduce a default git.orderFile
kconfig: WERROR unmet symbol dependency
Add .editorconfig file for basic formatting
kconfig: Use KCONFIG_CONFIG instead of .config
...
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from bpf and netfilter.
Previous releases - regressions:
- Revert "net: rtnetlink: Enslave device before bringing it up",
breaks the case inverse to the one it was trying to fix
- net: dsa: fix oob access in DSA's netdevice event handler
dereference netdev_priv() before check its a DSA port
- sched: track device in tcf_block_get/put_ext() only for clsact
binder types
- net: tls, fix WARNING in __sk_msg_free when record becomes full
during splice and MORE hint set
- sfp-bus: fix SFP mode detect from bitrate
- drv: stmmac: prevent DSA tags from breaking COE
Previous releases - always broken:
- bpf: fix no forward progress in in bpf_iter_udp if output buffer is
too small
- bpf: reject variable offset alu on registers with a type of
PTR_TO_FLOW_KEYS to prevent oob access
- netfilter: tighten input validation
- net: add more sanity check in virtio_net_hdr_to_skb()
- rxrpc: fix use of Don't Fragment flag on RESPONSE packets, avoid
infinite loop
- amt: do not use the portion of skb->cb area which may get clobbered
- mptcp: improve validation of the MPTCPOPT_MP_JOIN MCTCP option
Misc:
- spring cleanup of inactive maintainers"
* tag 'net-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (88 commits)
i40e: Include types.h to some headers
ipv6: mcast: fix data-race in ipv6_mc_down / mld_ifc_work
selftests: mlxsw: qos_pfc: Adjust the test to support 8 lanes
selftests: mlxsw: qos_pfc: Remove wrong description
mlxsw: spectrum_router: Register netdevice notifier before nexthop
mlxsw: spectrum_acl_tcam: Fix stack corruption
mlxsw: spectrum_acl_tcam: Fix NULL pointer dereference in error path
mlxsw: spectrum_acl_erp: Fix error flow of pool allocation failure
ethtool: netlink: Add missing ethnl_ops_begin/complete
selftests: bonding: Add more missing config options
selftests: netdevsim: add a config file
libbpf: warn on unexpected __arg_ctx type when rewriting BTF
selftests/bpf: add tests confirming type logic in kernel for __arg_ctx
bpf: enforce types for __arg_ctx-tagged arguments in global subprogs
bpf: extract bpf_ctx_convert_map logic and make it more reusable
libbpf: feature-detect arg:ctx tag support in kernel
ipvs: avoid stat macros calls from preemptible context
netfilter: nf_tables: reject NFT_SET_CONCAT with not field length description
netfilter: nf_tables: skip dead set elements in netlink dump
netfilter: nf_tables: do not allow mismatch field size and set key length
...
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang:
"This removes the currently unused CLASS_DDC support (controllers set
the flag, but there is no client to use it).
Also, CLASS_SPD support gets simplified to prepare removal in the
future. Class based instantiation is not recommended these days
anyhow.
Furthermore, I2C core now creates a debugfs directory per I2C adapter.
Current bus driver users were converted to use it.
Finally, quite some driver updates. Standing out are patches for the
wmt-driver which is refactored to support more variants.
This is the rebased pull request where a large series for the
designware driver was dropped"
* tag 'i2c-for-6.8-rc1-rebased' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (38 commits)
MAINTAINERS: use proper email for my I2C work
i2c: stm32f7: add support for stm32mp25 soc
i2c: stm32f7: perform I2C_ISR read once at beginning of event isr
dt-bindings: i2c: document st,stm32mp25-i2c compatible
i2c: stm32f7: simplify status messages in case of errors
i2c: stm32f7: perform most of irq job in threaded handler
i2c: stm32f7: use dev_err_probe upon calls of devm_request_irq
i2c: i801: Add lis3lv02d for Dell XPS 15 7590
i2c: i801: Add lis3lv02d for Dell Precision 3540
i2c: wmt: Reduce redundant: REG_CR setting
i2c: wmt: Reduce redundant: function parameter
i2c: wmt: Reduce redundant: clock mode setting
i2c: wmt: Reduce redundant: wait event complete
i2c: wmt: Reduce redundant: bus busy check
i2c: mux: reg: Remove class-based device auto-detection support
i2c: make i2c_bus_type const
dt-bindings: at24: add ROHM BR24G04
eeprom: at24: use of_match_ptr()
i2c: cpm: Remove linux,i2c-index conversion from be32
i2c: imx: Make SDA actually optional for bus recovering
...
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git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni:
"There are three new drivers this cycle. Also the cmos driver is
getting fixes for longstanding wakeup issues on AMD.
New drivers:
- Analog Devices MAX31335
- Nuvoton ma35d1
- Texas Instrument TPS6594 PMIC RTC
Drivers:
- cmos: use ACPI alarm instead of HPET on recent AMD platforms
- nuvoton: add NCT3015Y-R and NCT3018Y-R support
- rv8803: proper suspend/resume and wakeup-source support"
* tag 'rtc-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (26 commits)
rtc: nuvoton: Compatible with NCT3015Y-R and NCT3018Y-R
rtc: da9063: Use dev_err_probe()
rtc: da9063: Use device_get_match_data()
rtc: da9063: Make IRQ as optional
rtc: max31335: Fix comparison in max31335_volatile_reg()
rtc: max31335: use regmap_update_bits_check
rtc: max31335: remove unecessary locking
rtc: max31335: add driver support
dt-bindings: rtc: max31335: add max31335 bindings
rtc: rv8803: add wakeup-source support
rtc: ac100: remove misuses of kernel-doc
rtc: class: Remove usage of the deprecated ida_simple_xx() API
rtc: MAINTAINERS: drop Alessandro Zummo
rtc: ma35d1: remove hardcoded UIE support
dt-bindings: rtc: qcom-pm8xxx: fix inconsistent example
rtc: rv8803: Add power management support
rtc: ds3232: avoid unused-const-variable warning
rtc: lpc24xx: add missing dependency
rtc: tps6594: Add driver for TPS6594 RTC
rtc: Add driver for Nuvoton ma35d1 rtc controller
...
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:
- a new driver for Adafruit Seesaw gamepad device
- Zforce touchscreen will handle standard device properties for axis
swap/inversion
- handling of advanced sensitivity settings in Microchip CAP11xx
capacitive sensor driver
- more drivers have been converted to use newer gpiod API
- support for dedicated wakeup IRQs in gpio-keys dirver
- support for slider gestures and OTP variants in iqs269a driver
- atkbd will report keyboard version as 0xab83 in cases when GET ID
command was skipped (to deal with problematic firmware on newer
laptops), restoring the previous behavior
- other assorted cleanups and changes
* tag 'input-for-v6.8-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (44 commits)
Input: atkbd - use ab83 as id when skipping the getid command
Input: driver for Adafruit Seesaw Gamepad
dt-bindings: input: bindings for Adafruit Seesaw Gamepad
Input: da9063_onkey - avoid explicitly setting input's parent
Input: da9063_onkey - avoid using OF-specific APIs
Input: iqs269a - add support for OTP variants
dt-bindings: input: iqs269a: Add bindings for OTP variants
Input: iqs269a - add support for slider gestures
dt-bindings: input: iqs269a: Add bindings for slider gestures
Input: gpio-keys - filter gpio_keys -EPROBE_DEFER error messages
Input: zforce_ts - accept standard touchscreen properties
dt-bindings: touchscreen: neonode,zforce: Use standard properties
dt-bindings: touchscreen: convert neonode,zforce to json-schema
dt-bindings: input: convert drv266x to json-schema
Input: da9063 - use dev_err_probe()
Input: da9063 - drop redundant prints in probe()
Input: da9063 - simplify obtaining OF match data
Input: as5011 - convert to GPIO descriptor
Input: omap-keypad - drop optional GPIO support
Input: tca6416-keypad - drop unused include
...
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git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire
Pull soundwire updates from Vinod Koul:
- Core: add concept of controller_id to deal with clear Controller /
Manager hierarchy
- bunch of qcom driver refactoring for qcom_swrm_stream_alloc_ports(),
qcom_swrm_stream_alloc_ports() and setting controller id to hw master
id
* tag 'soundwire-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire:
soundwire: amd: drop bus freq calculation and set 'max_clk_freq'
soundwire: generic_bandwidth_allocation use bus->params.max_dr_freq
soundwire: qcom: set controller id to hw master id
soundwire: fix initializing sysfs for same devices on different buses
soundwire: bus: introduce controller_id
soundwire: stream: constify sdw_port_config when adding devices
soundwire: qcom: move sconfig in qcom_swrm_stream_alloc_ports() out of critical section
soundwire: qcom: drop unneeded qcom_swrm_stream_alloc_ports() cleanup
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