diff options
Diffstat (limited to 'arch/riscv/net/bpf_jit_comp64.c')
-rw-r--r-- | arch/riscv/net/bpf_jit_comp64.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/arch/riscv/net/bpf_jit_comp64.c b/arch/riscv/net/bpf_jit_comp64.c index 2bc4c14ea59a..d5cebb0b0afe 100644 --- a/arch/riscv/net/bpf_jit_comp64.c +++ b/arch/riscv/net/bpf_jit_comp64.c @@ -380,8 +380,7 @@ static int emit_bpf_tail_call(int insn, struct rv_jit_context *ctx) * if (!prog) * goto out; */ - emit_slli(RV_REG_T2, RV_REG_A2, 3, ctx); - emit_add(RV_REG_T2, RV_REG_T2, RV_REG_A1, ctx); + emit_sh3add(RV_REG_T2, RV_REG_A2, RV_REG_A1, ctx); off = offsetof(struct bpf_array, ptrs); if (is_12b_check(off, insn)) return -1; @@ -1099,12 +1098,10 @@ int bpf_jit_emit_insn(const struct bpf_insn *insn, struct rv_jit_context *ctx, /* Load current CPU number in T1 */ emit_ld(RV_REG_T1, offsetof(struct thread_info, cpu), RV_REG_TP, ctx); - /* << 3 because offsets are 8 bytes */ - emit_slli(RV_REG_T1, RV_REG_T1, 3, ctx); /* Load address of __per_cpu_offset array in T2 */ emit_addr(RV_REG_T2, (u64)&__per_cpu_offset, extra_pass, ctx); - /* Add offset of current CPU to __per_cpu_offset */ - emit_add(RV_REG_T1, RV_REG_T2, RV_REG_T1, ctx); + /* Get address of __per_cpu_offset[cpu] in T1 */ + emit_sh3add(RV_REG_T1, RV_REG_T1, RV_REG_T2, ctx); /* Load __per_cpu_offset[cpu] in T1 */ emit_ld(RV_REG_T1, 0, RV_REG_T1, ctx); /* Add the offset to Rd */ |