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Diffstat (limited to 'arch/riscv/net/bpf_jit_comp64.c')
-rw-r--r--arch/riscv/net/bpf_jit_comp64.c9
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 */