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LoongArch changes for v6.7

Browse source 
1, Support PREEMPT_DYNAMIC with static keys;
 2, Relax memory ordering for atomic operations;
 3, Support BPF CPU v4 instructions for LoongArch;
 4, Some build and runtime warning fixes.
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Merge tag 'loongarch-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson

Pull LoongArch updates from Huacai Chen:

 - support PREEMPT_DYNAMIC with static keys

 - relax memory ordering for atomic operations

 - support BPF CPU v4 instructions for LoongArch

 - some build and runtime warning fixes

* tag 'loongarch-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson:
  selftests/bpf: Enable cpu v4 tests for LoongArch
  LoongArch: BPF: Support signed mod instructions
  LoongArch: BPF: Support signed div instructions
  LoongArch: BPF: Support 32-bit offset jmp instructions
  LoongArch: BPF: Support unconditional bswap instructions
  LoongArch: BPF: Support sign-extension mov instructions
  LoongArch: BPF: Support sign-extension load instructions
  LoongArch: Add more instruction opcodes and emit_* helpers
  LoongArch/smp: Call rcutree_report_cpu_starting() earlier
  LoongArch: Relax memory ordering for atomic operations
  LoongArch: Mark __percpu functions as always inline
  LoongArch: Disable module from accessing external data directly
  LoongArch: Support PREEMPT_DYNAMIC with static keys
This commit is contained in:
Linus Torvalds 2023-11-12 10:58:08 -08:00
commit 4eeee6636a
13 changed files with 215 additions and 63 deletions
Download patch file Download diff file Expand all files Collapse all files

3
tools/testing/selftests/bpf/progs/test_ldsx_insn.c
View file

@ -7,7 +7,8 @@
#if (defined(__TARGET_ARCH_arm64) || defined(__TARGET_ARCH_x86) || \
(defined(__TARGET_ARCH_riscv) && __riscv_xlen == 64) || \
defined(__TARGET_ARCH_s390)) && __clang_major__ >= 18
defined(__TARGET_ARCH_s390) || defined(__TARGET_ARCH_loongarch)) && \
__clang_major__ >= 18
const volatile int skip = 0;
#else
const volatile int skip = 1;

3
tools/testing/selftests/bpf/progs/verifier_bswap.c
View file

@ -6,7 +6,8 @@
#if (defined(__TARGET_ARCH_arm64) || defined(__TARGET_ARCH_x86) || \
(defined(__TARGET_ARCH_riscv) && __riscv_xlen == 64) || \
defined(__TARGET_ARCH_arm) || defined(__TARGET_ARCH_s390)) && \
defined(__TARGET_ARCH_arm) || defined(__TARGET_ARCH_s390) || \
defined(__TARGET_ARCH_loongarch)) && \
__clang_major__ >= 18
SEC("socket")

3
tools/testing/selftests/bpf/progs/verifier_gotol.c
View file

@ -6,7 +6,8 @@
#if (defined(__TARGET_ARCH_arm64) || defined(__TARGET_ARCH_x86) || \
(defined(__TARGET_ARCH_riscv) && __riscv_xlen == 64) || \
defined(__TARGET_ARCH_arm) || defined(__TARGET_ARCH_s390)) && \
defined(__TARGET_ARCH_arm) || defined(__TARGET_ARCH_s390) || \
defined(__TARGET_ARCH_loongarch)) && \
__clang_major__ >= 18
SEC("socket")

3
tools/testing/selftests/bpf/progs/verifier_ldsx.c
View file

@ -6,7 +6,8 @@
#if (defined(__TARGET_ARCH_arm64) || defined(__TARGET_ARCH_x86) || \
(defined(__TARGET_ARCH_riscv) && __riscv_xlen == 64) || \
defined(__TARGET_ARCH_arm) || defined(__TARGET_ARCH_s390)) && \
defined(__TARGET_ARCH_arm) || defined(__TARGET_ARCH_s390) || \
defined(__TARGET_ARCH_loongarch)) && \
__clang_major__ >= 18
SEC("socket")

3
tools/testing/selftests/bpf/progs/verifier_movsx.c
View file

@ -6,7 +6,8 @@
#if (defined(__TARGET_ARCH_arm64) || defined(__TARGET_ARCH_x86) || \
(defined(__TARGET_ARCH_riscv) && __riscv_xlen == 64) || \
defined(__TARGET_ARCH_arm) || defined(__TARGET_ARCH_s390)) && \
defined(__TARGET_ARCH_arm) || defined(__TARGET_ARCH_s390) || \
defined(__TARGET_ARCH_loongarch)) && \
__clang_major__ >= 18
SEC("socket")

3
tools/testing/selftests/bpf/progs/verifier_sdiv.c
View file

@ -6,7 +6,8 @@
#if (defined(__TARGET_ARCH_arm64) || defined(__TARGET_ARCH_x86) || \
(defined(__TARGET_ARCH_riscv) && __riscv_xlen == 64) || \
defined(__TARGET_ARCH_arm) || defined(__TARGET_ARCH_s390)) && \
defined(__TARGET_ARCH_arm) || defined(__TARGET_ARCH_s390) || \
defined(__TARGET_ARCH_loongarch)) && \
__clang_major__ >= 18
SEC("socket")