mirror of
https://github.com/torvalds/linux.git
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ff57d59200
1, Adjust build infrastructure for 32BIT/64BIT;
2, Add HIGHMEM (PKMAP and FIX_KMAP) support;
3, Show and handle CPU vulnerabilites correctly;
4, Batch the icache maintenance for jump_label;
5, Add more atomic instructions support for BPF JIT;
6, Add more features (e.g. fsession) support for BPF trampoline;
7, Some bug fixes and other small changes.
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Merge tag 'loongarch-7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
Pull LoongArch updates from Huacai Chen:
- Adjust build infrastructure for 32BIT/64BIT
- Add HIGHMEM (PKMAP and FIX_KMAP) support
- Show and handle CPU vulnerabilites correctly
- Batch the icache maintenance for jump_label
- Add more atomic instructions support for BPF JIT
- Add more features (e.g. fsession) support for BPF trampoline
- Some bug fixes and other small changes
* tag 'loongarch-7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson: (21 commits)
selftests/bpf: Enable CAN_USE_LOAD_ACQ_STORE_REL for LoongArch
LoongArch: BPF: Add fsession support for trampolines
LoongArch: BPF: Introduce emit_store_stack_imm64() helper
LoongArch: BPF: Support up to 12 function arguments for trampoline
LoongArch: BPF: Support small struct arguments for trampoline
LoongArch: BPF: Open code and remove invoke_bpf_mod_ret()
LoongArch: BPF: Support load-acquire and store-release instructions
LoongArch: BPF: Support 8 and 16 bit read-modify-write instructions
LoongArch: BPF: Add the default case in emit_atomic() and rename it
LoongArch: Define instruction formats for AM{SWAP/ADD}.{B/H} and DBAR
LoongArch: Batch the icache maintenance for jump_label
LoongArch: Add flush_icache_all()/local_flush_icache_all()
LoongArch: Add spectre boundry for syscall dispatch table
LoongArch: Show CPU vulnerabilites correctly
LoongArch: Make arch_irq_work_has_interrupt() true only if IPI HW exist
LoongArch: Use get_random_canary() for stack canary init
LoongArch: Improve the logging of disabling KASLR
LoongArch: Align FPU register state to 32 bytes
LoongArch: Handle CONFIG_32BIT in syscall_get_arch()
LoongArch: Add HIGHMEM (PKMAP and FIX_KMAP) support
...
130 lines
3.4 KiB
Plaintext
130 lines
3.4 KiB
Plaintext
# SPDX-License-Identifier: GPL-2.0-only
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# Kconfig for the kernel's cyclic redundancy check (CRC) library code
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config CRC4
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tristate
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help
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The CRC4 library functions. Select this if your module uses any of
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the functions from <linux/crc4.h>.
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config CRC7
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tristate
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help
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The CRC7 library functions. Select this if your module uses any of
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the functions from <linux/crc7.h>.
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config CRC8
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tristate
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help
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The CRC8 library functions. Select this if your module uses any of
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the functions from <linux/crc8.h>.
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config CRC16
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tristate
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help
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The CRC16 library functions. Select this if your module uses any of
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the functions from <linux/crc16.h>.
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config CRC_CCITT
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tristate
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help
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The CRC-CCITT library functions. Select this if your module uses any
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of the functions from <linux/crc-ccitt.h>.
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config CRC_ITU_T
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tristate
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help
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The CRC-ITU-T library functions. Select this if your module uses
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any of the functions from <linux/crc-itu-t.h>.
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config CRC_T10DIF
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tristate
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help
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The CRC-T10DIF library functions. Select this if your module uses
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any of the functions from <linux/crc-t10dif.h>.
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config CRC_T10DIF_ARCH
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bool
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depends on CRC_T10DIF && CRC_OPTIMIZATIONS
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default y if ARM && KERNEL_MODE_NEON
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default y if ARM64
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default y if PPC64 && ALTIVEC
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default y if RISCV && RISCV_ISA_ZBC
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default y if X86
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config CRC32
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tristate
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select BITREVERSE
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help
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The CRC32 library functions. Select this if your module uses any of
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the functions from <linux/crc32.h> or <linux/crc32c.h>.
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config CRC32_ARCH
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bool
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depends on CRC32 && CRC_OPTIMIZATIONS
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default y if ARM && KERNEL_MODE_NEON
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default y if ARM64
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default y if LOONGARCH && 64BIT
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default y if MIPS && CPU_MIPSR6
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default y if PPC64 && ALTIVEC
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default y if RISCV && RISCV_ISA_ZBC
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default y if S390
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default y if SPARC64
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default y if X86
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config CRC64
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tristate
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help
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The CRC64 library functions. Select this if your module uses any of
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the functions from <linux/crc64.h>.
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config CRC64_ARCH
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bool
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depends on CRC64 && CRC_OPTIMIZATIONS
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default y if ARM64
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default y if RISCV && RISCV_ISA_ZBC && 64BIT
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default y if X86_64
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config CRC_OPTIMIZATIONS
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bool "Enable optimized CRC implementations" if EXPERT
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depends on !UML
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default y
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help
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Disabling this option reduces code size slightly by disabling the
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architecture-optimized implementations of any CRC variants that are
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enabled. CRC checksumming performance may get much slower.
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Keep this enabled unless you're really trying to minimize the size of
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the kernel.
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config CRC_KUNIT_TEST
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tristate "KUnit tests for CRC functions" if !KUNIT_ALL_TESTS
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depends on KUNIT && (CRC7 || CRC16 || CRC_T10DIF || CRC32 || CRC64)
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default KUNIT_ALL_TESTS
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help
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Unit tests for the CRC library functions.
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This is intended to help people writing architecture-specific
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optimized versions. If unsure, say N.
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config CRC_ENABLE_ALL_FOR_KUNIT
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tristate "Enable all CRC functions for KUnit test"
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depends on KUNIT
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select CRC7
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select CRC16
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select CRC_T10DIF
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select CRC32
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select CRC64
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help
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Enable all CRC functions that have test code in CRC_KUNIT_TEST.
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Enable this only if you'd like the CRC KUnit test suite to test all
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the CRC variants, even ones that wouldn't otherwise need to be built.
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config CRC_BENCHMARK
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bool "Benchmark for the CRC functions"
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depends on CRC_KUNIT_TEST
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help
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Include benchmarks in the KUnit test suite for the CRC functions.
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