diff options
Diffstat (limited to 'arch/riscv')
| -rw-r--r-- | arch/riscv/include/asm/cfi.h | 3 | ||||
| -rw-r--r-- | arch/riscv/kernel/cfi.c | 2 | ||||
| -rw-r--r-- | arch/riscv/net/bpf_jit_comp64.c | 25 |
3 files changed, 18 insertions, 12 deletions
diff --git a/arch/riscv/include/asm/cfi.h b/arch/riscv/include/asm/cfi.h index 56bf9d69d5e3..8f7a62257044 100644 --- a/arch/riscv/include/asm/cfi.h +++ b/arch/riscv/include/asm/cfi.h @@ -7,8 +7,9 @@ * * Copyright (C) 2023 Google LLC */ +#include <linux/bug.h> -#include <linux/cfi.h> +struct pt_regs; #ifdef CONFIG_CFI_CLANG enum bug_trap_type handle_cfi_failure(struct pt_regs *regs); diff --git a/arch/riscv/kernel/cfi.c b/arch/riscv/kernel/cfi.c index 820158d7a291..6ec9dbd7292e 100644 --- a/arch/riscv/kernel/cfi.c +++ b/arch/riscv/kernel/cfi.c @@ -4,7 +4,7 @@ * * Copyright (C) 2023 Google LLC */ -#include <asm/cfi.h> +#include <linux/cfi.h> #include <asm/insn.h> /* diff --git a/arch/riscv/net/bpf_jit_comp64.c b/arch/riscv/net/bpf_jit_comp64.c index 8581693e62d3..58dc64dd94a8 100644 --- a/arch/riscv/net/bpf_jit_comp64.c +++ b/arch/riscv/net/bpf_jit_comp64.c @@ -1029,23 +1029,28 @@ out: return ret; } -int arch_prepare_bpf_trampoline(struct bpf_tramp_image *im, void *image, - void *image_end, const struct btf_func_model *m, - u32 flags, struct bpf_tramp_links *tlinks, - void *func_addr) +int arch_bpf_trampoline_size(const struct btf_func_model *m, u32 flags, + struct bpf_tramp_links *tlinks, void *func_addr) { - int ret; + struct bpf_tramp_image im; struct rv_jit_context ctx; + int ret; ctx.ninsns = 0; ctx.insns = NULL; ctx.ro_insns = NULL; - ret = __arch_prepare_bpf_trampoline(im, m, tlinks, func_addr, flags, &ctx); - if (ret < 0) - return ret; + ret = __arch_prepare_bpf_trampoline(&im, m, tlinks, func_addr, flags, &ctx); - if (ninsns_rvoff(ret) > (long)image_end - (long)image) - return -EFBIG; + return ret < 0 ? ret : ninsns_rvoff(ctx.ninsns); +} + +int arch_prepare_bpf_trampoline(struct bpf_tramp_image *im, void *image, + void *image_end, const struct btf_func_model *m, + u32 flags, struct bpf_tramp_links *tlinks, + void *func_addr) +{ + int ret; + struct rv_jit_context ctx; ctx.ninsns = 0; /* |