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1248717 Commits
| Author | SHA1 | Message | Date | |
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Andrii Nakryiko
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66967a32d3 |
bpf: extract bpf_ctx_convert_map logic and make it more reusable
Refactor btf_get_prog_ctx_type() a bit to allow reuse of bpf_ctx_convert_map logic in more than one places. Simplify interface by returning btf_type instead of btf_member (field reference in BTF). To do the above we need to touch and start untangling btf_translate_to_vmlinux() implementation. We do the bare minimum to not regress anything for btf_translate_to_vmlinux(), but its implementation is very questionable for what it claims to be doing. Mapping kfunc argument types to kernel corresponding types conceptually is quite different from recognizing program context types. Fixing this is out of scope for this change though. Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/r/20240118033143.3384355-3-andrii@kernel.org Signed-off-by: Alexei Starovoitov <ast@kernel.org> |
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Andrii Nakryiko
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01b55f4f0c |
libbpf: feature-detect arg:ctx tag support in kernel
Add feature detector of kernel-side arg:ctx (__arg_ctx) tag support. If this is detected, libbpf will avoid doing any __arg_ctx-related BTF rewriting and checks in favor of letting kernel handle this completely. test_global_funcs/ctx_arg_rewrite subtest is adjusted to do the same feature detection (albeit in much simpler, though round-about and inefficient, way), and skip the tests. This is done to still be able to execute this test on older kernels (like in libbpf CI). Note, BPF token series ([0]) does a major refactor and code moving of libbpf-internal feature detection "framework", so to avoid unnecessary conflicts we keep newly added feature detection stand-alone with ad-hoc result caching. Once things settle, there will be a small follow up to re-integrate everything back and move code into its final place in newly-added (by BPF token series) features.c file. [0] https://patchwork.kernel.org/project/netdevbpf/list/?series=814209&state=* Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/r/20240118033143.3384355-2-andrii@kernel.org Signed-off-by: Alexei Starovoitov <ast@kernel.org> |
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Maxim Kochetkov
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080c4324fa
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riscv: optimize ELF relocation function in riscv
The patch can optimize the running times of insmod command by modify ELF relocation function. In the 5.10 and latest kernel, when install the riscv ELF drivers which contains multiple symbol table items to be relocated, kernel takes a lot of time to execute the relocation. For example, we install a 3+MB driver need 180+s. We focus on the riscv architecture handle R_RISCV_HI20 and R_RISCV_LO20 type items relocation function in the arch\riscv\kernel\module.c and find that there are two-loops in the function. If we modify the begin number in the second for-loops iteration, we could save significant time for installation. We install the same 3+MB driver could just need 2s. Signed-off-by: Amma Lee <lixiaoyun@binary-semi.com> Signed-off-by: Maxim Kochetkov <fido_max@inbox.ru> Reviewed-by: Charlie Jenkins <charlie@rivosinc.com> Link: https://lore.kernel.org/r/20231214063906.13612-1-fido_max@inbox.ru Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com> |
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Samuel Ortiz
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1024340105
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RISC-V: Implement archrandom when Zkr is available
The Zkr extension is ratified and provides 16 bits of entropy seed when reading the SEED CSR. We can implement arch_get_random_seed_longs() by doing multiple csrrw to that CSR and filling an unsigned long with valid entropy bits. Acked-by: Conor Dooley <conor.dooley@microchip.com> Signed-off-by: Samuel Ortiz <sameo@rivosinc.com> Signed-off-by: Clément Léger <cleger@rivosinc.com> Link: https://lore.kernel.org/r/20231130111704.1319081-1-cleger@rivosinc.com Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com> |
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Xiao Wang
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55ca8d7aa2
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riscv: Optimize hweight API with Zbb extension
The Hamming Weight of a number is the total number of bits set in it, so the cpop/cpopw instruction from Zbb extension can be used to accelerate hweight() API. Signed-off-by: Xiao Wang <xiao.w.wang@intel.com> Reviewed-by: Charlie Jenkins <charlie@rivosinc.com> Link: https://lore.kernel.org/r/20231112095244.4015351-1-xiao.w.wang@intel.com Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com> |
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Masahiro Yamada
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c4db7ff7a9
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riscv: add dependency among Image(.gz), loader(.bin), and vmlinuz.efi
A common issue in Makefile is a race in parallel building.
You need to be careful to prevent multiple threads from writing to the
same file simultaneously.
Commit
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Palmer Dabbelt
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3074e8b175
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Merge patch series "riscv: ftrace: Miscellaneous ftrace improvements"
Björn Töpel <bjorn@kernel.org> says: This series includes a three ftrace improvements for RISC-V: 1. Do not require to run recordmcount at build time (patch 1) 2. Simplification of the function graph functionality (patch 2) 3. Enable DYNAMIC_FTRACE_WITH_DIRECT_CALLS (patch 3 and 4) The series has been tested on Qemu/rv64 virt/Debian sid with the following test configs: CONFIG_FTRACE_SELFTEST=y CONFIG_FTRACE_STARTUP_TEST=y CONFIG_SAMPLE_FTRACE_DIRECT=m CONFIG_SAMPLE_FTRACE_DIRECT_MULTI=m CONFIG_SAMPLE_FTRACE_OPS=m All tests pass. * b4-shazam-merge: samples: ftrace: Add RISC-V support for SAMPLE_FTRACE_DIRECT[_MULTI] riscv: ftrace: Add DYNAMIC_FTRACE_WITH_DIRECT_CALLS support riscv: ftrace: Make function graph use ftrace directly riscv: select FTRACE_MCOUNT_USE_PATCHABLE_FUNCTION_ENTRY Link: https://lore.kernel.org/r/20231130121531.1178502-1-bjorn@kernel.org Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com> |
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Song Shuai
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629291dd84
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samples: ftrace: Add RISC-V support for SAMPLE_FTRACE_DIRECT[_MULTI]
Add RISC-V variants of the ftrace-direct* samples. Tested-by: Evgenii Shatokhin <e.shatokhin@yadro.com> Signed-off-by: Song Shuai <suagrfillet@gmail.com> Tested-by: Guo Ren <guoren@kernel.org> Signed-off-by: Guo Ren <guoren@kernel.org> Acked-by: Björn Töpel <bjorn@rivosinc.com> Link: https://lore.kernel.org/r/20231130121531.1178502-5-bjorn@kernel.org Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com> |
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Song Shuai
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196c79f19a
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riscv: ftrace: Add DYNAMIC_FTRACE_WITH_DIRECT_CALLS support
Select the DYNAMIC_FTRACE_WITH_DIRECT_CALLS to provide the register_ftrace_direct[_multi] interfaces allowing users to register the customed trampoline (direct_caller) as the mcount for one or more target functions. And modify_ftrace_direct[_multi] are also provided for modifying direct_caller. To make the direct_caller and the other ftrace hooks (e.g. function/fgraph tracer, k[ret]probes) co-exist, a temporary register is nominated to store the address of direct_caller in ftrace_regs_caller. After the setting of the address direct_caller by direct_ops->func and the RESTORE_REGS in ftrace_regs_caller, direct_caller will be jumped to by the `jr` inst. Add DYNAMIC_FTRACE_WITH_DIRECT_CALLS support for RISC-V. Signed-off-by: Song Shuai <suagrfillet@gmail.com> Tested-by: Guo Ren <guoren@kernel.org> Signed-off-by: Guo Ren <guoren@kernel.org> Acked-by: Björn Töpel <bjorn@rivosinc.com> Link: https://lore.kernel.org/r/20231130121531.1178502-4-bjorn@kernel.org Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com> |
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Song Shuai
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35e61e8827
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riscv: ftrace: Make function graph use ftrace directly
Similar to commit |
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Song Shuai
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b546d6363a
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riscv: select FTRACE_MCOUNT_USE_PATCHABLE_FUNCTION_ENTRY
In commit
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Palmer Dabbelt
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448857ec53
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Merge patch series "RISC-V: Disable DWARF5 with known broken LLVM versions"
Nathan Chancellor <nathan@kernel.org> says:
This series disables DWARF5 for LLVM versions where it is known to be
broken due to linker relaxation.
* b4-shazam-merge:
lib/Kconfig.debug: Update AS_HAS_NON_CONST_LEB128 comment and name
riscv: Restrict DWARF5 when building with LLVM to known working versions
riscv: Hoist linker relaxation disabling logic into Kconfig
Link:
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Nathan Chancellor
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a4426641f0
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lib/Kconfig.debug: Update AS_HAS_NON_CONST_LEB128 comment and name
Fangrui noted that the comment around CONFIG_AS_HAS_NON_CONST_LEB128 could be made more accurate because explicit .sleb128 directives are not emitted, only .uleb128 directives are. Rename the symbol to CONFIG_AS_HAS_NON_CONST_ULEB128 as a result. Further clarifications include replacing "symbol deltas" with the more accurate "label differences", noting that this issue has been resolved in newer binutils (2.41+), and it only occurs when a port uses RISC-V style linker relaxation. Suggested-by: Fangrui Song <maskray@google.com> Signed-off-by: Nathan Chancellor <nathan@kernel.org> Reviewed-by: Charlie Jenkins <charlie@rivosinc.com> Link: https://lore.kernel.org/r/20231205-riscv-restrict-dwarf5-llvm-v2-3-aedf00a382ac@kernel.org Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com> |
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Nathan Chancellor
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ae84ff9a14
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riscv: Restrict DWARF5 when building with LLVM to known working versions
LLVM prior to 18.0.0 would generate incorrect debug info for DWARF5 due to linker relaxation, which was worked around in clang by defaulting RISC-V to DWARF4 [1]. Unfortunately, this workaround does not work for the kernel because the DWARF version can be independently changed from the default in Kconfig. Do not allow DWARF5 to be selected for RISC-V when using linker relaxation (ld.lld >= 15.0.0) and a version of LLVM that does not have the fixes (the integrated assembler [2] and ld.lld [3] < 18.0.0) necessary to generate the correct debug info. Link: |
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Nathan Chancellor
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55b71d2ce1
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riscv: Hoist linker relaxation disabling logic into Kconfig
Certain configurations may need to be disabled if linker relaxation is in use, such as DWARF5 with ld.lld < 18. Hoist the logic of whether or not linker relaxation is in use into Kconfig so decisions can be made at configuration time. Reviewed-by: Fangrui Song <maskray@google.com> Signed-off-by: Nathan Chancellor <nathan@kernel.org> Link: https://lore.kernel.org/r/20231205-riscv-restrict-dwarf5-llvm-v2-1-aedf00a382ac@kernel.org Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com> |
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Palmer Dabbelt
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c640868491
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Merge patch series "riscv: Add fine-tuned checksum functions"
Charlie Jenkins <charlie@rivosinc.com> says: Each architecture generally implements fine-tuned checksum functions to leverage the instruction set. This patch adds the main checksum functions that are used in networking. Tested on QEMU, this series allows the CHECKSUM_KUNIT tests to complete an average of 50.9% faster. This patch takes heavy use of the Zbb extension using alternatives patching. To test this patch, enable the configs for KUNIT, then CHECKSUM_KUNIT. I have attempted to make these functions as optimal as possible, but I have not ran anything on actual riscv hardware. My performance testing has been limited to inspecting the assembly, running the algorithms on x86 hardware, and running in QEMU. ip_fast_csum is a relatively small function so even though it is possible to read 64 bits at a time on compatible hardware, the bottleneck becomes the clean up and setup code so loading 32 bits at a time is actually faster. * b4-shazam-merge: kunit: Add tests for csum_ipv6_magic and ip_fast_csum riscv: Add checksum library riscv: Add checksum header riscv: Add static key for misaligned accesses asm-generic: Improve csum_fold Link: https://lore.kernel.org/r/20240108-optimize_checksum-v15-0-1c50de5f2167@rivosinc.com Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com> |
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Charlie Jenkins
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6f4c45cbcb
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kunit: Add tests for csum_ipv6_magic and ip_fast_csum
Supplement existing checksum tests with tests for csum_ipv6_magic and ip_fast_csum. Signed-off-by: Charlie Jenkins <charlie@rivosinc.com> Link: https://lore.kernel.org/r/20240108-optimize_checksum-v15-5-1c50de5f2167@rivosinc.com Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com> |
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Charlie Jenkins
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a04c192eab
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riscv: Add checksum library
Provide a 32 and 64 bit version of do_csum. When compiled for 32-bit will load from the buffer in groups of 32 bits, and when compiled for 64-bit will load in groups of 64 bits. Additionally provide riscv optimized implementation of csum_ipv6_magic. Signed-off-by: Charlie Jenkins <charlie@rivosinc.com> Acked-by: Conor Dooley <conor.dooley@microchip.com> Reviewed-by: Xiao Wang <xiao.w.wang@intel.com> Link: https://lore.kernel.org/r/20240108-optimize_checksum-v15-4-1c50de5f2167@rivosinc.com Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com> |
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Charlie Jenkins
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e11e367e9f
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riscv: Add checksum header
Provide checksum algorithms that have been designed to leverage riscv instructions such as rotate. In 64-bit, can take advantage of the larger register to avoid some overflow checking. Signed-off-by: Charlie Jenkins <charlie@rivosinc.com> Acked-by: Conor Dooley <conor.dooley@microchip.com> Reviewed-by: Xiao Wang <xiao.w.wang@intel.com> Link: https://lore.kernel.org/r/20240108-optimize_checksum-v15-3-1c50de5f2167@rivosinc.com Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com> |
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Charlie Jenkins
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2ce5729fce
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riscv: Add static key for misaligned accesses
Support static branches depending on the value of misaligned accesses. This will be used by a later patch in the series. At any point in time, this static branch will only be enabled if all online CPUs are considered "fast". Signed-off-by: Charlie Jenkins <charlie@rivosinc.com> Reviewed-by: Evan Green <evan@rivosinc.com> Link: https://lore.kernel.org/r/20240108-optimize_checksum-v15-2-1c50de5f2167@rivosinc.com Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com> |
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Charlie Jenkins
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1e7196fa5b
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asm-generic: Improve csum_fold
This csum_fold implementation introduced into arch/arc by Vineet Gupta is better than the default implementation on at least arc, x86, and riscv. Using GCC trunk and compiling non-inlined version, this implementation has 41.6667%, 25% fewer instructions on riscv64, x86-64 respectively with -O3 optimization. Most implmentations override this default in asm, but this should be more performant than all of those other implementations except for arm which has barrel shifting and sparc32 which has a carry flag. Signed-off-by: Charlie Jenkins <charlie@rivosinc.com> Reviewed-by: David Laight <david.laight@aculab.com> Link: https://lore.kernel.org/r/20240108-optimize_checksum-v15-1-1c50de5f2167@rivosinc.com Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com> |
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Andrew Jones
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0de65288d7
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RISC-V: selftests: cbo: Ensure asm operands match constraints
The 'i' constraint expects a constant operand, which fn and its
constant derivative MK_CBO(fn) are, but passing fn through a function
as a parameter and using a local variable for MK_CBO(fn) allow the
compiler to lose sight of that when no optimization is done. Use
a macro instead of a function and skip the local variable to ensure
the compiler uses constants, matching the asm constraints.
Reported-by: Yunhui Cui <cuiyunhui@bytedance.com>
Closes: https://lore.kernel.org/all/20240117082514.42967-1-cuiyunhui@bytedance.com
Fixes:
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Linus Torvalds
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296455ade1 |
Char/Misc and other Driver changes for 6.8-rc1
Here is the big set of char/misc and other driver subsystem changes for 6.8-rc1. Lots of stuff in here, but first off, you will get a merge conflict in drivers/android/binder_alloc.c when merging this tree due to changing coming in through the -mm tree. The resolution of the merge issue can be found here: https://lore.kernel.org/r/20231207134213.25631ae9@canb.auug.org.au or in a simpler patch form in that thread: https://lore.kernel.org/r/ZXHzooF07LfQQYiE@google.com If there are issues with the merge of this file, please let me know. Other than lots of binder driver changes (as you can see by the merge conflicts) included in here are: - lots of iio driver updates and additions - spmi driver updates - eeprom driver updates - firmware driver updates - ocxl driver updates - mhi driver updates - w1 driver updates - nvmem driver updates - coresight driver updates - platform driver remove callback api changes - tags.sh script updates - bus_type constant marking cleanups - lots of other small driver updates All of these have been in linux-next for a while with no reported issues (other than the binder merge conflict.) Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCZaeMMQ8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+ynWNgCfQ/Yz7QO6EMLDwHO5LRsb3YMhjL4AoNVdanjP YoI7f1I4GBcC0GKNfK6s =+Kyv -----END PGP SIGNATURE----- Merge tag 'char-misc-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc Pull char/misc and other driver updates from Greg KH: "Here is the big set of char/misc and other driver subsystem changes for 6.8-rc1. Other than lots of binder driver changes (as you can see by the merge conflicts) included in here are: - lots of iio driver updates and additions - spmi driver updates - eeprom driver updates - firmware driver updates - ocxl driver updates - mhi driver updates - w1 driver updates - nvmem driver updates - coresight driver updates - platform driver remove callback api changes - tags.sh script updates - bus_type constant marking cleanups - lots of other small driver updates All of these have been in linux-next for a while with no reported issues" * tag 'char-misc-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (341 commits) android: removed duplicate linux/errno uio: Fix use-after-free in uio_open drivers: soc: xilinx: add check for platform firmware: xilinx: Export function to use in other module scripts/tags.sh: remove find_sources scripts/tags.sh: use -n to test archinclude scripts/tags.sh: add local annotation scripts/tags.sh: use more portable -path instead of -wholename scripts/tags.sh: Update comment (addition of gtags) firmware: zynqmp: Convert to platform remove callback returning void firmware: turris-mox-rwtm: Convert to platform remove callback returning void firmware: stratix10-svc: Convert to platform remove callback returning void firmware: stratix10-rsu: Convert to platform remove callback returning void firmware: raspberrypi: Convert to platform remove callback returning void firmware: qemu_fw_cfg: Convert to platform remove callback returning void firmware: mtk-adsp-ipc: Convert to platform remove callback returning void firmware: imx-dsp: Convert to platform remove callback returning void firmware: coreboot_table: Convert to platform remove callback returning void firmware: arm_scpi: Convert to platform remove callback returning void firmware: arm_scmi: Convert to platform remove callback returning void ... |
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Linus Torvalds
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e1aa9df440 |
pci-v6.8-changes
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Merge tag 'pci-v6.8-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
Pull pci updates from Bjorn Helgaas:
"Enumeration:
- Reserve ECAM so we don't assign it to PCI BARs; this works around
bugs where BIOS included ECAM in a PNP0A03 host bridge window,
didn't reserve it via a PNP0C02 motherboard device, and didn't
allocate space for SR-IOV VF BARs (Bjorn Helgaas)
- Add MMCONFIG/ECAM debug logging (Bjorn Helgaas)
- Rename 'MMCONFIG' to 'ECAM' to match spec usage (Bjorn Helgaas)
- Log device type (Root Port, Switch Port, etc) during enumeration
(Bjorn Helgaas)
- Log bridges before downstream devices so the dmesg order is more
logical (Bjorn Helgaas)
- Log resource names (BAR 0, VF BAR 0, bridge window, etc)
consistently instead of a mix of names and "reg 0x10" (Puranjay
Mohan, Bjorn Helgaas)
- Fix 64GT/s effective data rate calculation to use 1b/1b encoding
rather than the 8b/10b or 128b/130b used by lower rates (Ilpo
Järvinen)
- Use PCI_HEADER_TYPE_* instead of literals in x86, powerpc, SCSI
lpfc (Ilpo Järvinen)
- Clean up open-coded PCIBIOS return code mangling (Ilpo Järvinen)
Resource management:
- Restructure pci_dev_for_each_resource() to avoid computing the
address of an out-of-bounds array element (the bounds check was
performed later so the element was never actually *read*, but it's
nicer to avoid even computing an out-of-bounds address) (Andy
Shevchenko)
Driver binding:
- Convert pci-host-common.c platform .remove() callback to
.remove_new() returning 'void' since it's not useful to return
error codes here (Uwe Kleine-König)
- Convert exynos, keystone, kirin from .remove() to .remove_new(),
which returns void instead of int (Uwe Kleine-König)
- Drop unused struct pci_driver.node member (Mathias Krause)
Virtualization:
- Add ACS quirk for more Zhaoxin Root Ports (LeoLiuoc)
Error handling:
- Log AER errors as "Correctable" (not "Corrected") or
"Uncorrectable" to match spec terminology (Bjorn Helgaas)
- Decode Requester ID when no error info found instead of printing
the raw hex value (Bjorn Helgaas)
Endpoint framework:
- Use a unique test pattern for each BAR in the pci_endpoint_test to
make it easier to debug address translation issues (Niklas Cassel)
Broadcom STB PCIe controller driver:
- Add DT property "brcm,clkreq-mode" and driver support for different
CLKREQ# modes to make ASPM L1.x states possible (Jim Quinlan)
Freescale Layerscape PCIe controller driver:
- Add suspend/resume support for Layerscape LS1043a and LS1021a,
including software-managed PME_Turn_Off and transitions between L0,
L2/L3_Ready Link states (Frank Li)
MediaTek PCIe controller driver:
- Clear MSI interrupt status before handler to avoid missing MSIs
that occur after the handler (qizhong cheng)
MediaTek PCIe Gen3 controller driver:
- Update mediatek-gen3 translation window setup to handle MMIO space
that is not a power of two in size (Jianjun Wang)
Qualcomm PCIe controller driver:
- Increase qcom iommu-map maxItems to accommodate SDX55 (five
entries) and SDM845 (sixteen entries) (Krzysztof Kozlowski)
- Describe qcom,pcie-sc8180x clocks and resets accurately (Krzysztof
Kozlowski)
- Describe qcom,pcie-sm8150 clocks and resets accurately (Krzysztof
Kozlowski)
- Correct the qcom "reset-name" property, previously incorrectly
called "reset-names" (Krzysztof Kozlowski)
- Document qcom,pcie-sm8650, based on qcom,pcie-sm8550 (Neil
Armstrong)
Renesas R-Car PCIe controller driver:
- Replace of_device.h with explicit of.h include to untangle header
usage (Rob Herring)
- Add DT and driver support for optional miniPCIe 1.5v and 3.3v
regulators on KingFisher (Wolfram Sang)
SiFive FU740 PCIe controller driver:
- Convert fu740 CONFIG_PCIE_FU740 dependency from SOC_SIFIVE to
ARCH_SIFIVE (Conor Dooley)
Synopsys DesignWare PCIe controller driver:
- Align iATU mapping for endpoint MSI-X (Niklas Cassel)
- Drop "host_" prefix from struct dw_pcie_host_ops members (Yoshihiro
Shimoda)
- Drop "ep_" prefix from struct dw_pcie_ep_ops members (Yoshihiro
Shimoda)
- Rename struct dw_pcie_ep_ops.func_conf_select() to
.get_dbi_offset() to be more descriptive (Yoshihiro Shimoda)
- Add Endpoint DBI accessors to encapsulate offset lookups (Yoshihiro
Shimoda)
TI J721E PCIe driver:
- Add j721e DT and driver support for 'num-lanes' for devices that
support x1, x2, or x4 Links (Matt Ranostay)
- Add j721e DT compatible strings and driver support for j784s4 (Matt
Ranostay)
- Make TI J721E Kconfig depend on ARCH_K3 since the hardware is
specific to those TI SoC parts (Peter Robinson)
TI Keystone PCIe controller driver:
- Hold power management references to all PHYs while enabling them to
avoid a race when one provides clocks to others (Siddharth
Vadapalli)
Xilinx XDMA PCIe controller driver:
- Remove redundant dev_err(), since platform_get_irq() and
platform_get_irq_byname() already log errors (Yang Li)
- Fix uninitialized symbols in xilinx_pl_dma_pcie_setup_irq()
(Krzysztof Wilczyński)
- Fix xilinx_pl_dma_pcie_init_irq_domain() error return when
irq_domain_add_linear() fails (Harshit Mogalapalli)
MicroSemi Switchtec management driver:
- Do dma_mrpc cleanup during switchtec_pci_remove() to match its devm
ioremapping in switchtec_pci_probe(). Previously the cleanup was
done in stdev_release(), which used stale pointers if stdev->cdev
happened to be open when the PCI device was removed (Daniel
Stodden)
Miscellaneous:
- Convert interrupt terminology from "legacy" to "INTx" to be more
specific and match spec terminology (Damien Le Moal)
- In dw-xdata-pcie, pci_endpoint_test, and vmd, replace usage of
deprecated ida_simple_*() API with ida_alloc() and ida_free()
(Christophe JAILLET)"
* tag 'pci-v6.8-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci: (97 commits)
PCI: Fix kernel-doc issues
PCI: brcmstb: Configure HW CLKREQ# mode appropriate for downstream device
dt-bindings: PCI: brcmstb: Add property "brcm,clkreq-mode"
PCI: mediatek-gen3: Fix translation window size calculation
PCI: mediatek: Clear interrupt status before dispatching handler
PCI: keystone: Fix race condition when initializing PHYs
PCI: xilinx-xdma: Fix error code in xilinx_pl_dma_pcie_init_irq_domain()
PCI: xilinx-xdma: Fix uninitialized symbols in xilinx_pl_dma_pcie_setup_irq()
PCI: rcar-gen4: Fix -Wvoid-pointer-to-enum-cast error
PCI: iproc: Fix -Wvoid-pointer-to-enum-cast warning
PCI: dwc: Add dw_pcie_ep_{read,write}_dbi[2] helpers
PCI: dwc: Rename .func_conf_select to .get_dbi_offset in struct dw_pcie_ep_ops
PCI: dwc: Rename .ep_init to .init in struct dw_pcie_ep_ops
PCI: dwc: Drop host prefix from struct dw_pcie_host_ops members
misc: pci_endpoint_test: Use a unique test pattern for each BAR
PCI: j721e: Make TI J721E depend on ARCH_K3
PCI: j721e: Add TI J784S4 PCIe configuration
PCI/AER: Use explicit register sizes for struct members
PCI/AER: Decode Requester ID when no error info found
PCI/AER: Use 'Correctable' and 'Uncorrectable' spec terms for errors
...
|
||
|
Linus Torvalds
|
a3f4a07b50 |
I3C for 6.7
Core: - Add a sysfs control for hotjoin - Add fallback method for GETMXDS CCC Drivers: - cdns: fix prescale for i2c clock - mipi-i3c-hci: more fixes now that the driver is used - svc: hotjoin enabling/disabling support -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEBqsFVZXh8s/0O5JiY6TcMGxwOjIFAmWkbYoACgkQY6TcMGxw OjKuNg//acb3t875RGkDIAcxcxfM8TLwsvo7xYSglQxBRfFqKuj+SzqeCg1szO6S x1aoiCNFKMTgwrJuGFuVCawW2PYqZTcSdQnpdli3HzI9bKNc/RxojDD9R1dztZKh nhOtycZM1ScnJ0SgbXAYakb+IcL2L3K2O5DjdtKBXdfTR74RvjWfxYB3LxXjvEEf CJZ5lapcTuJZVCZBB/KQoshZmZYjA9kySgcqFomQ+ShlYRXbMOW6VCceU5HsDy07 7bfs7caGKu1VwUbDmiV3lvbZUkPiGjspStc5zYQtktORCGh6sP6uBZjB/m3vKaJ2 IsnkqIOXHmh3an8MeGVqWSvR54FzfdXSXW6Xr+0XKvoT8rBc4d8c80HO3Kw3t5Rv 4y/ygYaxFxfcCfhk031ftjaux4DLMFvlGV3pa+OGHdxGUYeFawYDsHZtweMspgBx WRvbOY4wc00zrwnni9L8BqpVwIfAvwkwwMvfgJS4mA+h/4YrbXp6QR/iM2ij2zHl azVDVrSOGLIiPxgqqpGWg09hkrkYWuEbhs61ywQJoeDSaGpdxOKC5VBB0ygwIpfY bsSqKhIjOCAkmRF02XX/atNKu+RNeg1N/F9mDCVhOzhPqNjIPlhvLhEGEuNLwEvK DrVBEWyJlD53S3KBm4Fba04+JngJXkxbIQxYWnYLbEBafU2dVjo= =mysu -----END PGP SIGNATURE----- Merge tag 'i3c/for-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux Pull i3c updates from Alexandre Belloni: "We are continuing to see more fixes as hardware is available and code is actually getting tested. Core: - Add a sysfs control for hotjoin - Add fallback method for GETMXDS CCC Drivers: - cdns: fix prescale for i2c clock - mipi-i3c-hci: more fixes now that the driver is used - svc: hotjoin enabling/disabling support" * tag 'i3c/for-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux: i3c: document hotjoin sysfs entry i3c: master: fix kernel-doc check warning i3c: master: cdns: Update maximum prescaler value for i2c clock i3c: master: fix Excess kernel-doc description warning i3c: master: svc: return actual transfer data len i3c: master: svc: rename read_len as actual_len i3c: add actual_len in i3c_priv_xfer i3c: master: svc: add hot join support i3c: master: add enable(disable) hot join in sys entry i3c: master: Fix build error i3c: Add fallback method for GETMXDS CCC i3c: mipi-i3c-hci: Add DMA bounce buffer for private transfers i3c: mipi-i3c-hci: Handle I3C address header error in hci_cmd_v1_daa() i3c: mipi-i3c-hci: Do not overallocate transfers in hci_cmd_v1_daa() i3c: mipi-i3c-hci: Report NACK response from CCC command to core |
||
Mia Lin
|
14688f1a91 |
rtc: nuvoton: Compatible with NCT3015Y-R and NCT3018Y-R
The NCT3015Y-R and NCT3018Y-R use the same datasheet
but have different topologies as follows.
- Topology (Only 1st i2c can set TWO bit and HF bit)
In NCT3015Y-R,
rtc 1st i2c is connected to a host CPU
rtc 2nd i2c is connected to a BMC
In NCT3018Y-R,
rtc 1st i2c is connected to a BMC
rtc 2nd i2c is connected to a host CPU
In order to be compatible with NCT3015Y-R and NCT3018Y-R,
- In probe,
If part number is NCT3018Y-R, only set HF bit to 24-Hour format.
Else, do nothing
- In set_time,
If part number is NCT3018Y-R && TWO bit is 0,
change TWO bit to 1, and restore TWO bit after updating time.
Signed-off-by: Mia Lin <mimi05633@gmail.com>
Link: https://lore.kernel.org/r/20231113103807.1036978-2-mimi05633@gmail.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
|
||
Biju Das
|
f5334aa883 |
rtc: da9063: Use dev_err_probe()
Replace dev_err()->dev_err_probe() to simpilfy probe(). Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Link: https://lore.kernel.org/r/20240105145344.204453-4-biju.das.jz@bp.renesas.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> |
||
|
Biju Das
|
4b60c32e97 |
rtc: da9063: Use device_get_match_data()
Replace of_match_node()->device_get_match_data() for the data associated with device match. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Link: https://lore.kernel.org/r/20240105145344.204453-3-biju.das.jz@bp.renesas.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> |
||
|
Biju Das
|
8681de6457 |
rtc: da9063: Make IRQ as optional
On some platforms (eg: RZ/{G2UL,Five} SMARC EVK), there is no IRQ
populated by default. Add irq optional support.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20240105145344.204453-2-biju.das.jz@bp.renesas.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
|
||
|
Nathan Chancellor
|
dd7fe5d9fd |
rtc: max31335: Fix comparison in max31335_volatile_reg()
Clang warns (or errors with CONFIG_WERROR=y):
drivers/rtc/rtc-max31335.c:211:36: error: use of logical '||' with constant operand [-Werror,-Wconstant-logical-operand]
211 | if (reg == MAX31335_TEMP_DATA_MSB || MAX31335_TEMP_DATA_LSB)
| ^ ~~~~~~~~~~~~~~~~~~~~~~
drivers/rtc/rtc-max31335.c:211:36: note: use '|' for a bitwise operation
211 | if (reg == MAX31335_TEMP_DATA_MSB || MAX31335_TEMP_DATA_LSB)
| ^~
| |
1 error generated.
This clearly should be a comparison against reg. Fix the comparison so
that max31335_volatile_reg() does not always return true.
Closes: https://github.com/ClangBuiltLinux/linux/issues/1980
Fixes:
|
||
Alexandre Belloni
|
b7d450d98b |
rtc: max31335: use regmap_update_bits_check
Simplify the IRQ handler by using regmap_update_bits_check. Reviewed-by: Antoniu Miclaus <antoniu.miclaus@analog.com> Link: https://lore.kernel.org/r/20240115232215.273374-2-alexandre.belloni@bootlin.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> |
||
|
Alexandre Belloni
|
590b1d19d7 |
rtc: max31335: remove unecessary locking
There is no race condition when accessing MAX31335_STATUS1 because it is always about clearing the alarm interrupt bit. Reviewed-by: Antoniu Miclaus <antoniu.miclaus@analog.com> Link: https://lore.kernel.org/r/20240115232215.273374-1-alexandre.belloni@bootlin.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> |
||
|
Linus Torvalds
|
ed6c23b175 |
This is the main pin control pull request for the v6.8 kernel series.
Core changes:
- A new PINCTRL_GROUP_DESC() infrastructure macro is added and
used in different drivers, generic group description struct
group_desc is now used all over the place.
New drivers:
- New driver for the Texas Instruments TPS6494 Power Management IC.
- New driver for the Lantic PEF2256 framer pin multiplexer.
This IC has some pins that can be reconfigured in different
ways. The actual driver comes on an immutable branch with the
net WAN parts, the IC is some latest-and-greatest serial line
funnel for e.g. wireless access points.
- New subdriver for the Samsung Exynos Auto V920 pin controller,
used for automotive applications.
- New subdriver for the Samsung "GS101" SoC pin controller, this
is the Google "Tensor" SoC used in the Google Pixel 6.
- New subdriver for the Intel Meteor Point SoC pin controller.
- New subdriver for the Qualcomm SM8650 top level (TLMM) and LPASS pin
controllers.
- New subdriver for the Qualcomm X1E80100 top level (TLMM) pin
controller.
- New subdriver for the Qualcomm SM4450 top level (TLMM) pin
controller.
- The "single" pin controller now supports the Texas Instruments
J7200 SoC.
Improvements:
- Intel has created a new (Intel-)generic pin controller driver that
is now used by all contemporary Intel platforms.
- Intel is now also making use of some cleanup helpers.
- Enble 910 Ohm bias in the Intel Tangier driver.
- The Samsung driver now suppors irq_set_affinity() in it's IRQ chip
giving support for non wake up external gpio interrupts.
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Merge tag 'pinctrl-v6.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control updates from Linus Walleij:
"For this kernel cycle I managed an immutable branch for the PEF2256
WAN framer that has some pin control portions. It already landed in
your tree through the net pull request but here it is mentioned again.
The most interesting is perhaps the Samsung Exynos subdrivers for the
Tensor SoC used in Google Pixel 6 and the ExynosAuto subdriver for
automotive. Along with the earlier merged Tesla FSD subdriver it shows
some of the versatile uses of the Samsung Exynos silicon. It is also
used in the latest version of Axis Communications ARTPEC chips so it
is a very widely deployed SoC family.
We also have the Intel Meteor Lake SoC which I think is for laptops.
It's a pretty interesting chip with Xe graphics and integrated PCH.
Core changes:
- A new PINCTRL_GROUP_DESC() infrastructure macro is added and used
in different drivers, generic group description struct group_desc
is now used all over the place.
New drivers:
- New driver for the Texas Instruments TPS6494 Power Management IC.
- New driver for the Lantic PEF2256 framer pin multiplexer. This IC
has some pins that can be reconfigured in different ways. The
actual driver comes on an immutable branch with the net WAN parts,
the IC is some latest-and-greatest serial line funnel for e.g.
wireless access points.
- New subdriver for the Samsung Exynos Auto V920 pin controller, used
for automotive applications.
- New subdriver for the Samsung "GS101" SoC pin controller, this is
the Google "Tensor" SoC used in the Google Pixel 6.
- New subdriver for the Intel Meteor Point SoC pin controller.
- New subdriver for the Qualcomm SM8650 top level (TLMM) and LPASS
pin controllers.
- New subdriver for the Qualcomm X1E80100 top level (TLMM) pin
controller.
- New subdriver for the Qualcomm SM4450 top level (TLMM) pin
controller.
- The "single" pin controller now supports the Texas Instruments
J7200 SoC.
Improvements:
- Intel has created a new (Intel-)generic pin controller driver that
is now used by all contemporary Intel platforms.
- Intel is now also making use of some cleanup helpers.
- Enble 910 Ohm bias in the Intel Tangier driver.
- The Samsung driver now suppors irq_set_affinity() in it's IRQ chip
giving support for non wake up external gpio interrupts"
* tag 'pinctrl-v6.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (112 commits)
pinctrl: samsung: constify iomem pointers
pinctrl: cy8c95x0: Cache muxed registers
dt-bindings: pinctrl: xilinx: Rename *gpio to *gpio-grp
pinctrl: qcom: lpass-lpi: remove duplicated include
dt-bindings: pinctrl: qcom: drop common properties and allow wakeup-parent
dt-bindings: pinctrl: qcom: drop common properties
dt-bindings: pinctrl: qcom,ipq5018-tlmm: use common TLMM bindings
dt-bindings: pinctrl: qcom,x1e80100-tlmm: restrict number of interrupts
dt-bindings: pinctrl: qcom,sm8650-tlmm: restrict number of interrupts
dt-bindings: pinctrl: qcom,sm8550-tlmm: restrict number of interrupts
dt-bindings: pinctrl: qcom,sdx75-tlmm: restrict number of interrupts
dt-bindings: pinctrl: qcom,sa8775p-tlmm: restrict number of interrupts
dt-bindings: pinctrl: qcom,qdu1000-tlmm: restrict number of interrupts
dt-bindings: pinctrl: qcom: create common LPASS LPI schema
pinctrl: qcom: sm4450: dd SM4450 pinctrl driver
dt-bindings: pinctrl: qcom: Add SM4450 pinctrl
dt-bindings: pinctrl: qcom,pmic-mpp: clean up example
pinctrl: intel: Add Intel Meteor Point pin controller and GPIO support
pinctrl: renesas: rzg2l: Add input enable to the Ethernet pins
pinctrl: renesas: rzg2l: Add output enable support
...
|
||
|
Linus Torvalds
|
5d197e97fb |
HSI changes for the 6.8 series
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||
|
Linus Torvalds
|
75afd029e6 |
mediatek: add CMDQ support for mt8188
mhuv2: fix channel window status qcom: document X1E80100 IPC controller misc cleanup xlnx: add Versal bindings misc: Convert to platform remove callback returning void -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEE6EwehDt/SOnwFyTyf9lkf8eYP5UFAmWjbqwACgkQf9lkf8eY P5W5PxAAikq6NCbnoqazLH2Cu4/QhBfo5t5JncV8Bspeu0Pgs17nWr/LolxdTkK9 Ctb4jHJtKLxChoq1U3yhHFzAyUyf1WSKw2zJ4C/Jd7Cz7fs6Q0vCuum93SmCYokU CbXc8z/vrJry+IsH/f+IkZYmYOcIQT1chCG75hlm9/H/SMY9KAvlfZt66GoBeO/q 1c33bcTVwZzy7dvQH1UaNffVVsNx8vFuSAmL7jsojBYMI7aVrJtsvmV0eSueMu/p KoVoY+YwSVzpwR4MeUPvO//r2hP1twVsRu1iWogA4XpTLPsNSH/0eXcSNp2uhpgF PHvVBv3eVVGAJ8hU5kMirTM1VFtd8Zqoi4y95RwRurvLinvz1YPGZDaay54BDvXG vjhtomsYtizpbMt44uFR+htLmJ4HArs2VJ2OPTCSp1eQMlhY/RHEENWYJjllESSs +P+ajDf0bMRAwxw/FiA5pU86J721WxAIuFai/1KlM+oc9ogQsWjX+SjRaAlOE/FD oU0FuVriXDppsDghq1bfdjp04ikhCpEHaz5kTqucelVgWnnLodIpoqekjp8aLYmg gwh+PXk6iQyzzGKBupCovbgsT3tFoNYHxZM5XO6F0yoxzbseK8E/NNG0WkT6aVpj aSqk2mHsixq8vuJmHEi+Tu2iCo9QppubyIlqrQlEvLcM+JHukQY= =DTIV -----END PGP SIGNATURE----- Merge tag 'mailbox-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/jassibrar/mailbox Pull mailbox updates from Jassi Brar: - add CMDQ support for mediatek mt8188 - mhuv2: fix channel window status - qcom: document X1E80100 IPC controller and misc cleanup - add Versal bindings to xlnx - Convert to platform remove callback returning void * tag 'mailbox-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/jassibrar/mailbox: (23 commits) mailbox: mtk-cmdq: Add CMDQ driver support for mt8188 mailbox: mtk-cmdq: Sort cmdq platform data by compatible name mailbox: mtk-cmdq: Rename gce_plat variable with SoC name postfix dt-bindings: mailbox: qcom-ipcc: document the X1E80100 Inter-Processor Communication Controller mailbox: zynqmp-ipi: Convert to platform remove callback returning void mailbox: tegra-hsp: Convert to platform remove callback returning void mailbox: sun6i-msgbox: Convert to platform remove callback returning void mailbox: stm32-ipcc: Convert to platform remove callback returning void mailbox: qcom-ipcc: Convert to platform remove callback returning void mailbox: qcom-apcs-ipc: Convert to platform remove callback returning void mailbox: omap: Convert to platform remove callback returning void mailbox: mtk-cmdq: Convert to platform remove callback returning void mailbox: mailbox-test: Convert to platform remove callback returning void mailbox: imx: Convert to platform remove callback returning void mailbox: bcm-pdc: Convert to platform remove callback returning void mailbox: bcm-flexrm: Convert to platform remove callback returning void mailbox: zynqmp-ipi: fix an Excess struct member kernel-doc warning dt-bindings: mailbox: add Versal IPI bindings dt-bindings: mailbox: zynqmp: extend required list mailbox: arm_mhuv2: Fix a bug for mhuv2_sender_interrupt ... |
||
|
Linus Torvalds
|
08df80a3c5 |
- New Drivers
- Add support for Allwinner A100 RGB LED controller
- Add support for Maxim 5970 Dual Hot-swap controller
- New Device Support
- Add support for AW20108 to Awinic LED driver
- New Functionality
- Extend support for Net speeds to include; 2.5G, 5G and 10G
- Allow tx/rx and cts/dsr/dcd/rng TTY LEDS to be turned on and off via sysfs if required
- Add support for hardware control in AW200xx
- Fix-ups
- Use safer methods for string handling
- Improve error handling; return proper error values, simplify, avoid duplicates, etc
- Replace Mutex use with the Completion mechanism
- Fix include lists; alphabetise, remove unused, explicitly add used
- Use generic platform device properties
- Use/convert to new/better APIs/helpers/MACROs instead of hand-rolling implementations
- Device Tree binding adaptions/conversions/creation
- Continue work to remove superfluous platform .remove() call-backs
- Remove superfluous/defunct code
- Trivial; whitespace, unused variables, spelling, clean-ups, etc
- Avoid unnecessary duplicate locks
- Bug Fixes
- Repair Kconfig based dependency lists
- Ensure unused dynamically allocated data is freed after use
- Fix support for brightness control
- Add missing sufficient delays during reset to ensure correct operation
- Avoid division-by-zero issues
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Merge tag 'leds-next-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/leds
Pull LED updates from Lee Jones:
"New Drivers:
- Add support for Allwinner A100 RGB LED controller
- Add support for Maxim 5970 Dual Hot-swap controller
New Device Support:
- Add support for AW20108 to Awinic LED driver
New Functionality:
- Extend support for Net speeds to include; 2.5G, 5G and 10G
- Allow tx/rx and cts/dsr/dcd/rng TTY LEDS to be turned on and off
via sysfs if required
- Add support for hardware control in AW200xx
Fix-ups:
- Use safer methods for string handling
- Improve error handling; return proper error values, simplify,
avoid duplicates, etc
- Replace Mutex use with the Completion mechanism
- Fix include lists; alphabetise, remove unused, explicitly add used
- Use generic platform device properties
- Use/convert to new/better APIs/helpers/MACROs instead of
hand-rolling implementations
- Device Tree binding adaptions/conversions/creation
- Continue work to remove superfluous platform .remove() call-backs
- Remove superfluous/defunct code
- Trivial; whitespace, unused variables, spelling, clean-ups, etc
- Avoid unnecessary duplicate locks
Bug Fixes:
- Repair Kconfig based dependency lists
- Ensure unused dynamically allocated data is freed after use
- Fix support for brightness control
- Add missing sufficient delays during reset to ensure correct
operation
- Avoid division-by-zero issues"
* tag 'leds-next-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/leds: (45 commits)
leds: trigger: netdev: Add core support for hw not supporting fallback to LED sw control
leds: trigger: panic: Don't register panic notifier if creating the trigger failed
leds: sun50i-a100: Convert to be agnostic to property provider
leds: max5970: Add missing headers
leds: max5970: Make use of dev_err_probe()
leds: max5970: Make use of device properties
leds: max5970: Remove unused variable
leds: rgb: Drop obsolete dependency on COMPILE_TEST
leds: sun50i-a100: Avoid division-by-zero warning
leds: trigger: Remove unused function led_trigger_rename_static()
leds: qcom-lpg: Introduce a wrapper for getting driver data from a pwm chip
leds: gpio: Add kernel log if devm_fwnode_gpiod_get() fails
dt-bindings: leds: qcom,spmi-flash-led: Fix example node name
dt-bindings: leds: aw200xx: Fix led pattern and add reg constraints
dt-bindings: leds: awinic,aw200xx: Add AW20108 device
leds: aw200xx: Add support for aw20108 device
leds: aw200xx: Improve autodim calculation method
leds: aw200xx: Enable disable_locking flag in regmap config
leds: aw200xx: Add delay after software reset
dt-bindings: leds: aw200xx: Remove property "awinic,display-rows"
...
|
||
|
Linus Torvalds
|
2385018a4e |
- New Device Support
- Add support for Qualcomm PM8937 PMIC to QCOM SPMI PMIC
- Fix-ups
- Use/convert to new/better APIs/helpers/MACROs instead of hand-rolling implementations
- Device Tree binding adaptions/conversions/creation
- Improve error handling; return proper error values, simplify, avoid duplicates, etc
- Continue work to remove superfluous platform .remove() call-backs
- Move some exported symbols into private namespaces
- Clean-up and staticify PM related operations
- Trivial; spelling, whitespace, clean-ups, etc
- Fix include lists; alphabetise, remove unused, explicitly add used
- Bug Fixes
- Use PLATFORM_DEVID_AUTO to ensure multiple duplicate devices can co-exist
- Ensure debugfs register view is correctly presented
- Fix ordering and value issues in current use of clk_register_fractional_divider()
- Repair Kconfig based dependency lists
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Merge tag 'mfd-next-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull mfd updates from Lee Jones:
"New Device Support:
- Add support for Qualcomm PM8937 PMIC to QCOM SPMI PMIC
Fix-ups:
- Use/convert to new/better APIs/helpers/MACROs instead of
hand-rolling implementations
- Device Tree binding adaptions/conversions/creation
- Improve error handling; return proper error values, simplify,
avoid duplicates, etc
- Continue work to remove superfluous platform .remove() call-backs
- Move some exported symbols into private namespaces
- Clean-up and staticify PM related operations
- Trivial; spelling, whitespace, clean-ups, etc
- Fix include lists; alphabetise, remove unused, explicitly add used
Bug Fixes:
- Use PLATFORM_DEVID_AUTO to ensure multiple duplicate devices can
co-exist
- Ensure debugfs register view is correctly presented
- Fix ordering and value issues in current use of
clk_register_fractional_divider()
- Repair Kconfig based dependency lists"
* tag 'mfd-next-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (50 commits)
mfd: ti_am335x_tscadc: Fix TI SoC dependencies
dt-bindings: mfd: sprd: Add support for UMS9620
mfd: ab8500-sysctrl: Drop ancient charger
mfd: intel-lpss: Fix the fractional clock divider flags
mfd: tps6594: Add null pointer check to tps6594_device_init()
dt-bindings: mfd: pm8008: Clean up example node names
dt-bindings: mfd: hisilicon,hi6421-spmi-pmic: Clean up example
dt-bindings: mfd: hisilicon,hi6421-spmi-pmic: Fix regulator binding
dt-bindings: mfd: hisilicon,hi6421-spmi-pmic: Fix up binding reference
mfd: da9062: Simplify obtaining I2C match data
mfd: syscon: Fix null pointer dereference in of_syscon_register()
mfd: intel-lpss: Don't fail probe on success of pci_alloc_irq_vectors()
mfd: twl6030-irq: Revert to use of_match_device()
mfd: cs42l43: Correct order of include files to be alphabetical
mfd: cs42l43: Correct SoundWire port list
mfd: Fix a few spelling mistakes in PMIC header file comments
mfd: intel-lpss: Provide Intel LPSS PM ops structure
mfd: intel-lpss: Move exported symbols to INTEL_LPSS namespace
mfd: intel-lpss: Adjust header inclusions
mfd: intel-lpss: Use device_get_match_data()
...
|
||
|
Linus Torvalds
|
a2ec2071ca |
hwspinlock updates to v6.8
Correct kernel-doc through the hwspinlock core, to address build warnings (and improve the documentation). Drop unused compatible in the Qualcomm TCSR mutex driver. -----BEGIN PGP SIGNATURE----- iQJJBAABCAAzFiEEBd4DzF816k8JZtUlCx85Pw2ZrcUFAmWkqScVHGFuZGVyc3Nv bkBrZXJuZWwub3JnAAoJEAsfOT8Nma3FrL4P/1jAquueE3d7mz5RhgbhWTplb54F rhvmZodl6azrow6NNkXgscEAMIcGgZlbjdvfadI2f2/lRQnHZ193xA+GtftjrqHY oR0nZ7huUSAaLkcoR+Lr5sVtvdEjGncqc6AlMsqzhnEskvJmg/Rx/Lxsrljmk0yO nTZAJ3swYj022iQyZNoNC6slMcX2Qn29jrKB/PSSvNuhBhpFtBPf/tE69+bzAkpV 6V/9bXKd7cIgaqRiCgvqwbsETmDkSGMM8gHRA7tGsbXPP4gfuSWeKTmvexgyrSct wgj6MVq9avl2Df23qrscKZ1BxBv8n7+9RdPjjH28Ei5GTcc/Gk/l8xxkd1ZECr07 EVPL+CluqsVgcUG7KWxKYGRmTEOuJRzwi5gZRDjj72Nq7ulKvr/mxuOKLHSeLOF6 /+e1Pp3lJ1ZqcXx32PhoFBptk9TvhSuaf8p+b/ALCuRZ8czk/Tmd3R2F81LzRwM+ dHjNgB7jMHTL8fOdobcuvq+T5XfT5aNFn3WJjHKqdhtNrBOd2JyHIlBIfYCG+Kfl ZwhDdlso6Z9cxHvlPVhEGb2JrH+nwKvourD+xtu3YJ5/Dmi+z8VQLeXv09cqgnSx R3o6JAhg+dhFBvYTTWKUfzQgCjxRDBcaZ2xxXMszJ9vAGVdt0v6G4Rd0hyxWVv2F FWt9GdP2qU4hkA/g =LOKK -----END PGP SIGNATURE----- Merge tag 'hwlock-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux Pull hwspinlock updates from Bjorn Andersson: - Correct kernel-doc through the hwspinlock core, to address build warnings (and improve the documentation) - Drop unused compatible in the Qualcomm TCSR mutex driver * tag 'hwlock-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux: hwspinlock/core: fix kernel-doc warnings hwspinlock: qcom: Remove IPQ6018 SOC specific compatible |
||
|
Linus Torvalds
|
e88481f74f |
remoteproc updates for v6.8
The i.MX DSP remoteproc driver adds support for providing a resource table, in order to enable IPC with the core. The TI K3 DSP driver is transitioned to remove_new, error messages are changed to use symbolic error codes, and dev_err_probe() is used where applicable. Support for the Qualcomm SC7280 audio, compute and WiFi co-processors are added to the Qualcomm TrustZone based remoteproc driver. -----BEGIN PGP SIGNATURE----- iQJJBAABCAAzFiEEBd4DzF816k8JZtUlCx85Pw2ZrcUFAmWkp9EVHGFuZGVyc3Nv bkBrZXJuZWwub3JnAAoJEAsfOT8Nma3F8o0QALW+YvUd9CwwWivIviDwilMW1Qsy krFy/q72vPIzQ2dxtq1tiECyOzS0w4NF1fZnewlG4V88IM2w37fzz4S5bRtZRvDd YOCcyyRX3yBq7hz6bdGYJWH5D2LxyBRLmD+yHoDBdHEw1q02XJtpsSdEqOX17amm UyFWP9VTOYrf9QGvkhVchoywrIm5bpo2kSyFWAHmUVINcIs1D0AIC3x78h+3p0FM zdtcazfF48O0bovPSn0p9IXMF0svM2H0lskYq8Qk6od/f+D1PKpk3+pjUKKlQves o/MCsQREL/oTuxjsMnD2Ur4NBibfo4mWAv1uGZR3gyB2w4MCG1sN5gMDtyduLiuW j9VKwl6/IEtXsmvc7nWVQUPu8DNNsybWuLXDnvRVdhBS8zcMJ8iwv+TMUl0KbCm3 GK/rWKKOcoz9jkcgB0EeDMPlDD5RRdiRl2UwtiKG5u0VddcSDAcO+F3R/URaXQ2W VqmGRjHQsKRzCVTdEQeZbFo9jWdTR74XnOKBFLkhjRtr0kB2cjrtJsYL+cpRRHlT Pg3bs/Z70IklUdcfD8BH1mZT644yTgy8Af05uS2k4WUP/H2htnaLn1t37Fz3hfNi Jxf1YuPZSDQM1HkDGyG3KvkcJvJSDZNxFNdme57XEwjB0m6Tny4UI5g7OAdnEtDE BPwDSEHnLKKqhhiy =tuMM -----END PGP SIGNATURE----- Merge tag 'rproc-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux Pull remoteproc updates from Bjorn Andersson: - The i.MX DSP remoteproc driver adds support for providing a resource table, in order to enable IPC with the core - The TI K3 DSP driver is transitioned to remove_new, error messages are changed to use symbolic error codes, and dev_err_probe() is used where applicable - Support for the Qualcomm SC7280 audio, compute and WiFi co-processors are added to the Qualcomm TrustZone based remoteproc driver * tag 'rproc-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux: remoteproc: qcom_q6v5_pas: Add SC7280 ADSP, CDSP & WPSS dt-bindings: remoteproc: qcom: sc7180-pas: Add SC7280 compatibles dt-bindings: remoteproc: qcom: sc7180-pas: Fix SC7280 MPSS PD-names remoteproc: k3-dsp: Convert to platform remove callback returning void remoteproc: k3-dsp: Use symbolic error codes in error messages remoteproc: k3-dsp: Suppress duplicate error message in .remove() arm64: dts: imx8mp: Add reserve-memory nodes for DSP remoteproc: imx_dsp_rproc: Add mandatory find_loaded_rsc_table op |
||
|
Linus Torvalds
|
2a43434675 |
rpmsg updates for v6.8
This make virtio free driver_override upon removal. It also updates the rpmsg documentation after earlier API updates. -----BEGIN PGP SIGNATURE----- iQJJBAABCAAzFiEEBd4DzF816k8JZtUlCx85Pw2ZrcUFAmWkpMwVHGFuZGVyc3Nv bkBrZXJuZWwub3JnAAoJEAsfOT8Nma3F7UEQAKgcJv5lrpnhWhRTlZUx+vmVhrNe nLxndp2NJz5b2+JOrvlaZfwpIMBSNOQ+e1eUbbm+WUzl/tfOBxTpaOWhKXKt1Wpc bxfRkWebCs0MCIIrXrMBkbtMZtv/IS+wNlKjwdvkkiPssCjxCStBsl+61fhxvx4F vtWp6TrhQjwKnIhmHhtblRaT4pPkvV9Y3uouZvZqvHsm+CnxY2m0qk8oHNXO5Ive hiK8P0SukvcBP8UfhpwvlORoFQss1NxIXYJW+bz0+3mQCCzUfrh1NpL4JDAX1gV6 5MdcXM6rneNHCFPoHnBDqtkN8246J+UTHVxAXJ69OU7SIRRRcNh9q9SZquda5exd wgR7fsruxCjUAX3P3J2zjDf1RStJdcuKW9Mwwynqb8UzbnRS4+XmfIloHDeyE7HD RefJUG7gFEriCPpLLueAEsS8INAGpbDVRjMc+zXJXoXNharpQrfgOMd/apnQdKlP +8pkD1JOOSohAuBroQcv8JEaLGvN4GJMUEGMo0WOovujZdnh8WaBCKEgVHfZUEg+ F4E7dSvp9SkFMLjjMYMa5vLUyrNriPWTOytFpKjtR5fJlAoa4MgQGYxcb+anoQ4/ g1DEnLF4HyOOQax6DKV7OTiuk6c+U5Kd2UNUi46OxXhR8UlnAGgg+/N1XKNIAKUt Q96cQQpj9yrQX/6Z =aycZ -----END PGP SIGNATURE----- Merge tag 'rpmsg-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux Pull rpmsg updates from Bjorn Andersson: "This make virtio free driver_override upon removal. It also updates the rpmsg documentation after earlier API updates" * tag 'rpmsg-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux: rpmsg: virtio: Free driver_override when rpmsg_remove() doc: rmpsg: Update with rpmsg_endpoint |
||
|
Linus Torvalds
|
8893a6bfff |
drm fixes for 6.8-rc1
i915: - Fixes for kernel-doc warnings enforced in linux-next - Another build warning fix for string formatting of intel_wakeref_t - Display fixes for DP DSC BPC and C20 PLL state verification v3d: - register readout fix rockchip: - two build warning fixes nouveau: - fix GSP loading on Turing with different nvdec configuration -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEEKbZHaGwW9KfbeusDHTzWXnEhr4FAmWkzXQACgkQDHTzWXnE hr6qcQ/+O0LqSrC1jnxgc7ewB2gDt4e3+ngxV9QkKUmJSjablINt9pxvc3CJYYZH 5zjmZR/dBStk98hGEqs32283iwrsJSZp4YBX+nCKdVjh+E3dno0jmpTRIcvMtgfb /O/HpUThybvrUSJD+x3Tv8lB4z2kcXnfQrGZnPdhEz4zHCnnvECh28zrTegpUVJ/ JX8VtyYnZYmlkD4lWb7S2ivRezAjHKIhDq4RpY78IiJvWT1+2rfLilAs8NBet3dz Igfp9sWElhD2/EiSp3r/h7SRCbET+TDYA1XL5M1yXai1daeCBPO1scIB6XdxQGWA r+O66eXLBH9mhQ2cVfeSpJF0gJk2Lmo5AyHmszBd6AxDQWFMJ8ClSbMx34u9P1M9 uVdn+IUUfpn0p9Rv31LYAkEA8vjPae0gE2m4QslVK0ARXzE9aJtlcByDwwDdc+zf SvTIX3LAI98x+X7jhrp9tWvMceVia9Mv5UoezGNWMaGt6WszAvzBTjk+JqDYdUWe 4wO0niMwuvJwnfFKzr3lOPJ2mUuiGZX1PMZ5W/y0c43CKaxLwWNHjRsvF/mhPfqW H1nXn2yFDTWqz/LKEcfPTIIDGh/XZIhsmOOsC7sRnuCtjNrzM7199s29RRuxzQDr W08C8k2oijW0cYZhSKTuSE+rHibR+Y9+4/WHR1ooz4lHt73oGyI= =d13e -----END PGP SIGNATURE----- Merge tag 'drm-next-2024-01-15-1' of git://anongit.freedesktop.org/drm/drm Pull drm fixes from Dave Airlie: "This is just a wrap up of fixes from the last few days. It has the proper fix to the i915/xe collision, we can clean up what you did later once rc1 lands. Otherwise it's a few other i915, a v3d, rockchip and a nouveau fix to make GSP load on some original Turing GPUs. i915: - Fixes for kernel-doc warnings enforced in linux-next - Another build warning fix for string formatting of intel_wakeref_t - Display fixes for DP DSC BPC and C20 PLL state verification v3d: - register readout fix rockchip: - two build warning fixes nouveau: - fix GSP loading on Turing with different nvdec configuration" * tag 'drm-next-2024-01-15-1' of git://anongit.freedesktop.org/drm/drm: nouveau/gsp: handle engines in runl without nonstall interrupts. drm/i915/perf: reconcile Excess struct member kernel-doc warnings drm/i915/guc: reconcile Excess struct member kernel-doc warnings drm/i915/gt: reconcile Excess struct member kernel-doc warnings drm/i915/gem: reconcile Excess struct member kernel-doc warnings drm/i915/dp: Fix the max DSC bpc supported by source drm/i915: don't make assumptions about intel_wakeref_t type drm/i915/dp: Fix the PSR debugfs entries wrt. MST connectors drm/i915/display: Fix C20 pll selection for state verification drm/v3d: Fix support for register debugging on the RPi 4 drm/rockchip: vop2: Drop unused if_dclk_rate variable drm/rockchip: vop2: Drop superfluous include |
||
|
Linus Torvalds
|
d8e6ba025f |
More thermal control updates for 6.8-rc1
- Add debugfs-based diagnostics support to the thermal core (Daniel
Lezcano, Dan Carpenter).
- Fix a power allocator thermal governor issue preventing it from
resetting cooling devices sometimes (Di Shen).
- Simplify the thermal netlink API and clean up related code (Rafael J.
Wysocki).
- Make the Intel HFI driver support hibernation and deep suspend
properly (Ricardo Neri).
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Merge tag 'thermal-6.8-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more thermal control updates from Rafael Wysocki:
"These add support for debugfs-based diagnostics to the thermal core,
simplify the thermal netlink API, fix system-wide PM support in the
Intel HFI driver and clean up some code.
Specifics:
- Add debugfs-based diagnostics support to the thermal core (Daniel
Lezcano, Dan Carpenter)
- Fix a power allocator thermal governor issue preventing it from
resetting cooling devices sometimes (Di Shen)
- Simplify the thermal netlink API and clean up related code (Rafael
J. Wysocki)
- Make the Intel HFI driver support hibernation and deep suspend
properly (Ricardo Neri)"
* tag 'thermal-6.8-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
thermal/debugfs: Unlock on error path in thermal_debug_tz_trip_up()
thermal: intel: hfi: Add syscore callbacks for system-wide PM
thermal: gov_power_allocator: avoid inability to reset a cdev
thermal: helpers: Rearrange thermal_cdev_set_cur_state()
thermal: netlink: Rework notify API for cooling devices
thermal: core: Use kstrdup_const() during cooling device registration
thermal/debugfs: Add thermal debugfs information for mitigation episodes
thermal/debugfs: Add thermal cooling device debugfs information
thermal: netlink: Pass thermal zone pointer to notify routines
thermal: netlink: Drop thermal_notify_tz_trip_add/delete()
thermal: netlink: Pass pointers to thermal_notify_tz_trip_up/down()
thermal: netlink: Pass pointers to thermal_notify_tz_trip_change()
|
||
|
Linus Torvalds
|
7f369a8f5b |
More ACPI updates for 6.8-rc1
- Make pnp_bus_type const (Greg Kroah-Hartman).
- Add ACPI IRQ management quirks for ASUS ExpertBook B1502CGA and ASUS
Vivobook E1504GA and E1504GAB (Ben Mayo, Michael Maltsev).
- Add new MADT GICC/GICR/ITS non-coherent flags and GICC online capable
bit handling to ACPICA (Lorenzo Pieralisi).
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Merge tag 'acpi-6.8-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more ACPI updates from Rafael Wysocki:
"These add support for new MADT flags to ACPICA, constify the PNP bus
type structure and add new ACPI IRQ management quirks.
Specifics:
- Make pnp_bus_type const (Greg Kroah-Hartman)
- Add ACPI IRQ management quirks for ASUS ExpertBook B1502CGA and
ASUS Vivobook E1504GA and E1504GAB (Ben Mayo, Michael Maltsev)
- Add new MADT GICC/GICR/ITS non-coherent flags and GICC online
capable bit handling to ACPICA (Lorenzo Pieralisi)"
* tag 'acpi-6.8-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPICA: MADT: Add new MADT GICC/GICR/ITS non-coherent flags handling
ACPICA: MADT: Add GICC online capable bit handling
ACPI: resource: Skip IRQ override on ASUS ExpertBook B1502CGA
ACPI: resource: Add DMI quirks for ASUS Vivobook E1504GA and E1504GAB
PNP: make pnp_bus_type const
|
||
|
Linus Torvalds
|
7b5bcf9b84 |
More power management updates for 6.8-rc1
- Restore the system-wide asynchronous device resume optimization
removed by a recent concurrency fix (Rafael J. Wysocki).
- Make the intel_pstate cpufreq driver allow Meteor Lake systems to run
at somewhat higher frequencies (Srinivas Pandruvada).
- Make the PM QoS core code use kcalloc() for array allocation (Erick
Archer).
- Fix two PM-related typos in admin-guide (Erwan Velu).
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Merge tag 'pm-6.8-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more power management updates from Rafael Wysocki:
"These restore the asynchronous device resume optimization removed by
the previous PM merge, make the intel_pstate driver work better on
Meteor Lake systems, optimize the PM QoS core code slightly and fix up
typos in admin-guide.
Specifics:
- Restore the system-wide asynchronous device resume optimization
removed by a recent concurrency fix (Rafael J. Wysocki)
- Make the intel_pstate cpufreq driver allow Meteor Lake systems to
run at somewhat higher frequencies (Srinivas Pandruvada)
- Make the PM QoS core code use kcalloc() for array allocation (Erick
Archer)
- Fix two PM-related typos in admin-guide (Erwan Velu)"
* tag 'pm-6.8-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PM: sleep: Restore asynchronous device resume optimization
Documentation: admin-guide: PM: Fix two typos
cpufreq: intel_pstate: Update hybrid scaling factor for Meteor Lake
PM: QoS: Use kcalloc() instead of kzalloc()
|
||
|
Linus Torvalds
|
82fd5ee9d8 |
xen: branch for v6.8-rc1
-----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQRTLbB6QfY48x44uB6AXGG7T9hjvgUCZZ/bnQAKCRCAXGG7T9hj vieDAPsHpUayQopn9BfOsp2wtIC/Y6ofdoY9MxzImP0GjUIf7wEAmRNgvlepZa/S 1D3wRYzBiEeR6jm8FM3N6k271r9tCwA= =kCM+ -----END PGP SIGNATURE----- Merge tag 'for-linus-6.8-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip Pull xen updates from Juergen Gross: - update some Xen PV interface related headers - fix some kernel-doc comments in the xenbus driver - fix the Xen gntdev driver to not access the struct page of pages imported from a DMA-buf * tag 'for-linus-6.8-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: xen/gntdev: Fix the abuse of underlying struct page in DMA-buf import xen/xenbus: client: fix kernel-doc comments xen: update PV-device interface headers |
||
Bart Van Assche
|
49e60333d7 |
blk-mq: Remove the hctx 'run' debugfs attribute
Nobody uses the debugfs hctx 'run' attribute. Hence remove this attribute and also the code that updates the corresponding member variable. Suggested-by: Jens Axboe <axboe@kernel.dk> Cc: Gabriel Ryan <gabe@cs.columbia.edu> Signed-off-by: Bart Van Assche <bvanassche@acm.org> Link: https://lore.kernel.org/r/20240117203609.4122520-1-bvanassche@acm.org Signed-off-by: Jens Axboe <axboe@kernel.dk> |
||
|
Linus Torvalds
|
09d1c6a80f |
Generic:
- Use memdup_array_user() to harden against overflow.
- Unconditionally advertise KVM_CAP_DEVICE_CTRL for all architectures.
- Clean up Kconfigs that all KVM architectures were selecting
- New functionality around "guest_memfd", a new userspace API that
creates an anonymous file and returns a file descriptor that refers
to it. guest_memfd files are bound to their owning virtual machine,
cannot be mapped, read, or written by userspace, and cannot be resized.
guest_memfd files do however support PUNCH_HOLE, which can be used to
switch a memory area between guest_memfd and regular anonymous memory.
- New ioctl KVM_SET_MEMORY_ATTRIBUTES allowing userspace to specify
per-page attributes for a given page of guest memory; right now the
only attribute is whether the guest expects to access memory via
guest_memfd or not, which in Confidential SVMs backed by SEV-SNP,
TDX or ARM64 pKVM is checked by firmware or hypervisor that guarantees
confidentiality (AMD PSP, Intel TDX module, or EL2 in the case of pKVM).
x86:
- Support for "software-protected VMs" that can use the new guest_memfd
and page attributes infrastructure. This is mostly useful for testing,
since there is no pKVM-like infrastructure to provide a meaningfully
reduced TCB.
- Fix a relatively benign off-by-one error when splitting huge pages during
CLEAR_DIRTY_LOG.
- Fix a bug where KVM could incorrectly test-and-clear dirty bits in non-leaf
TDP MMU SPTEs if a racing thread replaces a huge SPTE with a non-huge SPTE.
- Use more generic lockdep assertions in paths that don't actually care
about whether the caller is a reader or a writer.
- let Xen guests opt out of having PV clock reported as "based on a stable TSC",
because some of them don't expect the "TSC stable" bit (added to the pvclock
ABI by KVM, but never set by Xen) to be set.
- Revert a bogus, made-up nested SVM consistency check for TLB_CONTROL.
- Advertise flush-by-ASID support for nSVM unconditionally, as KVM always
flushes on nested transitions, i.e. always satisfies flush requests. This
allows running bleeding edge versions of VMware Workstation on top of KVM.
- Sanity check that the CPU supports flush-by-ASID when enabling SEV support.
- On AMD machines with vNMI, always rely on hardware instead of intercepting
IRET in some cases to detect unmasking of NMIs
- Support for virtualizing Linear Address Masking (LAM)
- Fix a variety of vPMU bugs where KVM fail to stop/reset counters and other state
prior to refreshing the vPMU model.
- Fix a double-overflow PMU bug by tracking emulated counter events using a
dedicated field instead of snapshotting the "previous" counter. If the
hardware PMC count triggers overflow that is recognized in the same VM-Exit
that KVM manually bumps an event count, KVM would pend PMIs for both the
hardware-triggered overflow and for KVM-triggered overflow.
- Turn off KVM_WERROR by default for all configs so that it's not
inadvertantly enabled by non-KVM developers, which can be problematic for
subsystems that require no regressions for W=1 builds.
- Advertise all of the host-supported CPUID bits that enumerate IA32_SPEC_CTRL
"features".
- Don't force a masterclock update when a vCPU synchronizes to the current TSC
generation, as updating the masterclock can cause kvmclock's time to "jump"
unexpectedly, e.g. when userspace hotplugs a pre-created vCPU.
- Use RIP-relative address to read kvm_rebooting in the VM-Enter fault paths,
partly as a super minor optimization, but mostly to make KVM play nice with
position independent executable builds.
- Guard KVM-on-HyperV's range-based TLB flush hooks with an #ifdef on
CONFIG_HYPERV as a minor optimization, and to self-document the code.
- Add CONFIG_KVM_HYPERV to allow disabling KVM support for HyperV "emulation"
at build time.
ARM64:
- LPA2 support, adding 52bit IPA/PA capability for 4kB and 16kB
base granule sizes. Branch shared with the arm64 tree.
- Large Fine-Grained Trap rework, bringing some sanity to the
feature, although there is more to come. This comes with
a prefix branch shared with the arm64 tree.
- Some additional Nested Virtualization groundwork, mostly
introducing the NV2 VNCR support and retargetting the NV
support to that version of the architecture.
- A small set of vgic fixes and associated cleanups.
Loongarch:
- Optimization for memslot hugepage checking
- Cleanup and fix some HW/SW timer issues
- Add LSX/LASX (128bit/256bit SIMD) support
RISC-V:
- KVM_GET_REG_LIST improvement for vector registers
- Generate ISA extension reg_list using macros in get-reg-list selftest
- Support for reporting steal time along with selftest
s390:
- Bugfixes
Selftests:
- Fix an annoying goof where the NX hugepage test prints out garbage
instead of the magic token needed to run the test.
- Fix build errors when a header is delete/moved due to a missing flag
in the Makefile.
- Detect if KVM bugged/killed a selftest's VM and print out a helpful
message instead of complaining that a random ioctl() failed.
- Annotate the guest printf/assert helpers with __printf(), and fix the
various bugs that were lurking due to lack of said annotation.
There are two non-KVM patches buried in the middle of guest_memfd support:
fs: Rename anon_inode_getfile_secure() and anon_inode_getfd_secure()
mm: Add AS_UNMOVABLE to mark mapping as completely unmovable
The first is small and mostly suggested-by Christian Brauner; the second
a bit less so but it was written by an mm person (Vlastimil Babka).
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm updates from Paolo Bonzini:
"Generic:
- Use memdup_array_user() to harden against overflow.
- Unconditionally advertise KVM_CAP_DEVICE_CTRL for all
architectures.
- Clean up Kconfigs that all KVM architectures were selecting
- New functionality around "guest_memfd", a new userspace API that
creates an anonymous file and returns a file descriptor that refers
to it. guest_memfd files are bound to their owning virtual machine,
cannot be mapped, read, or written by userspace, and cannot be
resized. guest_memfd files do however support PUNCH_HOLE, which can
be used to switch a memory area between guest_memfd and regular
anonymous memory.
- New ioctl KVM_SET_MEMORY_ATTRIBUTES allowing userspace to specify
per-page attributes for a given page of guest memory; right now the
only attribute is whether the guest expects to access memory via
guest_memfd or not, which in Confidential SVMs backed by SEV-SNP,
TDX or ARM64 pKVM is checked by firmware or hypervisor that
guarantees confidentiality (AMD PSP, Intel TDX module, or EL2 in
the case of pKVM).
x86:
- Support for "software-protected VMs" that can use the new
guest_memfd and page attributes infrastructure. This is mostly
useful for testing, since there is no pKVM-like infrastructure to
provide a meaningfully reduced TCB.
- Fix a relatively benign off-by-one error when splitting huge pages
during CLEAR_DIRTY_LOG.
- Fix a bug where KVM could incorrectly test-and-clear dirty bits in
non-leaf TDP MMU SPTEs if a racing thread replaces a huge SPTE with
a non-huge SPTE.
- Use more generic lockdep assertions in paths that don't actually
care about whether the caller is a reader or a writer.
- let Xen guests opt out of having PV clock reported as "based on a
stable TSC", because some of them don't expect the "TSC stable" bit
(added to the pvclock ABI by KVM, but never set by Xen) to be set.
- Revert a bogus, made-up nested SVM consistency check for
TLB_CONTROL.
- Advertise flush-by-ASID support for nSVM unconditionally, as KVM
always flushes on nested transitions, i.e. always satisfies flush
requests. This allows running bleeding edge versions of VMware
Workstation on top of KVM.
- Sanity check that the CPU supports flush-by-ASID when enabling SEV
support.
- On AMD machines with vNMI, always rely on hardware instead of
intercepting IRET in some cases to detect unmasking of NMIs
- Support for virtualizing Linear Address Masking (LAM)
- Fix a variety of vPMU bugs where KVM fail to stop/reset counters
and other state prior to refreshing the vPMU model.
- Fix a double-overflow PMU bug by tracking emulated counter events
using a dedicated field instead of snapshotting the "previous"
counter. If the hardware PMC count triggers overflow that is
recognized in the same VM-Exit that KVM manually bumps an event
count, KVM would pend PMIs for both the hardware-triggered overflow
and for KVM-triggered overflow.
- Turn off KVM_WERROR by default for all configs so that it's not
inadvertantly enabled by non-KVM developers, which can be
problematic for subsystems that require no regressions for W=1
builds.
- Advertise all of the host-supported CPUID bits that enumerate
IA32_SPEC_CTRL "features".
- Don't force a masterclock update when a vCPU synchronizes to the
current TSC generation, as updating the masterclock can cause
kvmclock's time to "jump" unexpectedly, e.g. when userspace
hotplugs a pre-created vCPU.
- Use RIP-relative address to read kvm_rebooting in the VM-Enter
fault paths, partly as a super minor optimization, but mostly to
make KVM play nice with position independent executable builds.
- Guard KVM-on-HyperV's range-based TLB flush hooks with an #ifdef on
CONFIG_HYPERV as a minor optimization, and to self-document the
code.
- Add CONFIG_KVM_HYPERV to allow disabling KVM support for HyperV
"emulation" at build time.
ARM64:
- LPA2 support, adding 52bit IPA/PA capability for 4kB and 16kB base
granule sizes. Branch shared with the arm64 tree.
- Large Fine-Grained Trap rework, bringing some sanity to the
feature, although there is more to come. This comes with a prefix
branch shared with the arm64 tree.
- Some additional Nested Virtualization groundwork, mostly
introducing the NV2 VNCR support and retargetting the NV support to
that version of the architecture.
- A small set of vgic fixes and associated cleanups.
Loongarch:
- Optimization for memslot hugepage checking
- Cleanup and fix some HW/SW timer issues
- Add LSX/LASX (128bit/256bit SIMD) support
RISC-V:
- KVM_GET_REG_LIST improvement for vector registers
- Generate ISA extension reg_list using macros in get-reg-list
selftest
- Support for reporting steal time along with selftest
s390:
- Bugfixes
Selftests:
- Fix an annoying goof where the NX hugepage test prints out garbage
instead of the magic token needed to run the test.
- Fix build errors when a header is delete/moved due to a missing
flag in the Makefile.
- Detect if KVM bugged/killed a selftest's VM and print out a helpful
message instead of complaining that a random ioctl() failed.
- Annotate the guest printf/assert helpers with __printf(), and fix
the various bugs that were lurking due to lack of said annotation"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (185 commits)
x86/kvm: Do not try to disable kvmclock if it was not enabled
KVM: x86: add missing "depends on KVM"
KVM: fix direction of dependency on MMU notifiers
KVM: introduce CONFIG_KVM_COMMON
KVM: arm64: Add missing memory barriers when switching to pKVM's hyp pgd
KVM: arm64: vgic-its: Avoid potential UAF in LPI translation cache
RISC-V: KVM: selftests: Add get-reg-list test for STA registers
RISC-V: KVM: selftests: Add steal_time test support
RISC-V: KVM: selftests: Add guest_sbi_probe_extension
RISC-V: KVM: selftests: Move sbi_ecall to processor.c
RISC-V: KVM: Implement SBI STA extension
RISC-V: KVM: Add support for SBI STA registers
RISC-V: KVM: Add support for SBI extension registers
RISC-V: KVM: Add SBI STA info to vcpu_arch
RISC-V: KVM: Add steal-update vcpu request
RISC-V: KVM: Add SBI STA extension skeleton
RISC-V: paravirt: Implement steal-time support
RISC-V: Add SBI STA extension definitions
RISC-V: paravirt: Add skeleton for pv-time support
RISC-V: KVM: Fix indentation in kvm_riscv_vcpu_set_reg_csr()
...
|
||
|
Linus Torvalds
|
1b1934dbbd |
A handful of late-arriving documentation fixes.
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||
|
Linus Torvalds
|
bce3b5d676 |
parisc architecture fixes for kernel v6.8-rc1:
- Fix PDC address calculation with narrow firmware (64-bit kernel
on 32-bit firmware)
- Fix kthread which checks power button get started on qemu too
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Merge tag 'parisc-for-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc updates from Helge Deller:
"Two small fixes for the parisc architecture:
- Fix PDC address calculation with narrow firmware (64-bit kernel on
32-bit firmware)
- Fix kthread which checks power button get started on qemu too"
* tag 'parisc-for-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc/power: Fix power soft-off button emulation on qemu
parisc/firmware: Fix F-extend for PDC addresses
|
||
|
Linus Torvalds
|
47ce834fbb |
Xtensa updates for v6.8
- small cleanups in the xtensa PCI and asmmacro code - fix kernel build with FDPIC toolchain -----BEGIN PGP SIGNATURE----- iQJHBAABCgAxFiEEK2eFS5jlMn3N6xfYUfnMkfg/oEQFAmWns1gTHGpjbXZia2Jj QGdtYWlsLmNvbQAKCRBR+cyR+D+gRE9xD/9AiJxY8ZUvTWmOCOf0/gMj6XHEopMQ MifpNGGuwJMtOYqJQUl8D9D27JTD+mYLk+n81B2t+/C6TN2W7XbLAR37hHOwFDiq cWJztV17zzGl3tEoPBxBzUp86AL7fTodH9O5+swfzh6vMD877Q/Lp4osp7T1K19K EMMsz5Oy+oHotflE4j+A5XaPaXF/GvKLBXLP+LvCVaI+reVXHBC/pYfkTDI0Wgco rkbnVtpA5RlK2vSXkO5w0Nx/6z7XlGtNMhrIbgJPzN0fO1r5It6a5X91OVw/HtaM f8TT8G4+8bB8DVpgx5BgrFyELX/313sARX8sJ+RkrDWeP0pSEZsDVosYN48LrDIh uVIBr/Akl4mch8ICuCMpySzK8arcKRuSQvUOPQHKOTRf0zUOtRTgVKd6cqqSBOWE Z9S51QvggOQKdTz98xzJoMcoHGEVCXq6Qw/xZi2Zft+9rt3GNfB3xBb69Ro7fWtH rR02xPKgPeFussPFL0nr4bDFPhZCt33aZiW93OlnHzC5oYhBuRcVPFNyeB25dJoN c+JZXFPV0Pmqfh/7E+VTuQ//v5K/Vst9zcNtf3lAjtsrRuifVu2ulQVIfw73tW2j rJ4yAm8Ji8AMcUG7H+rXQvScFAa26dIeuoz6HxLIii9BnAR9PCI1gUBBUo9ws+pI XBPlI2ZhWhJBTA== =2QMt -----END PGP SIGNATURE----- Merge tag 'xtensa-20240117' of https://github.com/jcmvbkbc/linux-xtensa Pull Xtensa updates from Max Filippov: - small cleanups in the xtensa PCI and asmmacro code - fix kernel build with FDPIC toolchain * tag 'xtensa-20240117' of https://github.com/jcmvbkbc/linux-xtensa: xtensa: don't produce FDPIC output with fdpic toolchain xtensa: Use PCI_HEADER_TYPE_MFD instead of literal xtensa: replace <asm-generic/export.h> with <linux/export.h> xtensa: fix variants path in the Kconfig help |